Central Pneumatic 47050 Specifications

VersaFinish™
Axially Compliant Robotic Finishing Tool
(Model 9150-ACT-390)
Installation and Operation Manual
9150-ACT-390
Document # 9610-50-1012-14
December 2012
Engineered Products for Robotic Productivity
Pinnacle Park 1031 Goodworth Drive  Apex, NC 27539  Tel: 919.772.0115  Fax: 919.772.8259  www.ati-ia.com  Email: info@ati-ia.com
VersaFinish™ Installation and Operation Manual
Document: 9610-50-1012-14
!
CAUTION: This manual describes the function, application and safety
considerations of this product. This manual must be read and understood before any
attempt is made to install or operate this product, otherwise damage to this product
or unsafe conditions may occur.
Information contained in this document is the property of ATI Industrial Automation, Inc. (ATI) and shall not be
reproduced in whole or in part without prior written approval of ATI. The information herein is subject to change
without notice. This manual is periodically revised to reflect and incorporate changes made to the product.
The information contained herein is confidential and reserved exclusively for the customers and authorized
agents of ATI Industrial Automation and may not be divulged to any third party without prior written consent
from ATI. No warranty including implied warranties is made with regard to accuracy of this document or fitness
of this device for a particular application. ATI Industrial Automation shall not be liable for any errors contained in
this document or for any incidental or consequential damages caused thereby. ATI Industrial Automation also
reserves the right to make changes to this manual at any time without prior notice.
ATI assumes no responsibility for any errors or omissions in this document. Users’ critical evaluation of this
document is welcomed.
Copyright by ATI Industrial Automation. All rights reserved.
How to Reach Us
Sales, Service and Information about ATI products:
ATI Industrial Automation
1031 Goodworth Drive
Apex, NC 27539 USA
www.ati-ia.com
Tel:
919.772.0115
Fax:
919.772.8259
E-mail: info@ati-ia.com
Technical support and questions:
Application Engineering
Tel:
919.772.0115, Option 2, Option 2
Fax:
919.772.8259
E-mail: mech_support@ati-ia.com
Pinnacle Park 1031 Goodworth Drive  Apex, NC 27539  Tel: 919.772.0115  Fax: 919.772.8259  www.ati-ia.com  Email: info@ati-ia.com
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Glossary of Terms
Term
Definition
Adapter
Device for attaching the tool to robots or work surfaces.
Air Filter
Device for removing contamination from air supply lines. Typically refers to
removal of particulates.
Air Lubricator
Device for adding controlled volumes of lubricating oil to the air supplying the
air motor.
Vane Motor
Air motor that drives the tool spindle.
Bur
Any unwanted, raised protrusion on the workpiece.
Chuck
Gripping device used to hold tools and media to the spindle.
Compliance
The ability of the spindle to passively move in response to protrusions on or
deviations of the work piece.
Regulator
Device used to set and control the supplied air pressure to lower acceptable
levels.
Solenoid Valve
Electrically controlled device for switching air supplies on and off.
Spindle
The rotating portion of the tool assembly.
Gearhead
A gearbox responsible for reducing the spindle speed of the air motor.
Main Housing
The main cylindrical body of the unit which includes the mounting features.
Media
Term referring to tools and/or abrasives held by the tool during the
completion of a manufacturing process.
Rear Housing
Rear cover to the main housing. This body includes a connection port for the
compliance air supply and feed-through seals for optional electrical sensors.
Forward Sensor
The forward sensor is an inductive proximity switch which is ON when the
spindle is in the fully forward position indicating there is no contact with the
tool.
Retract Sensor
The retract sensor is an optional inductive proximity switch which is ON when
the spindle is in the fully back position indicating there is no further motion
possible.
Tachometer Sensor
The tachometer sensor is an optional inductive proximity switch which
monitors the rotation of a disk mounted behind the chuck on the spindle. The
sensor will deliver two OFF pulses per spindle rotation. It is recommended
that the tachometer sensor be utilized for process development but removed
from the unit when in a production environment.
Pinnacle Park 1031 Goodworth Drive  Apex, NC 27539  Tel: 919.772.0115  Fax: 919.772.8259  www.ati-ia.com  Email: info@ati-ia.com
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Table of Contents
1.
General Data ................................................................................................................ 5
1.1
2.
Handling, Installation, Storage and Transportation .................................................. 6
2.1
2.2
2.3
2.4
2.5
3.
5.6
5.7
Routine Operational Maintenance ................................................................................ 16
Media Replacement ..................................................................................................... 16
Boot Replacement ........................................................................................................ 16
Air Motor Replacement................................................................................................. 17
Sensor Replacement .................................................................................................... 18
5.5.1 Forward Sensor (Option -F) ............................................................................ 18
5.5.2 Retract Sensor (Option -R) ............................................................................. 19
5.5.3 Tachometer Sensor (Option -T) ...................................................................... 19
Pneumatics ................................................................................................................... 20
Lubrication .................................................................................................................... 20
Troubleshooting ........................................................................................................ 21
6.1
6.2
7.
8.
9.
10.
General Precautions ..................................................................................................... 12
VersaFinish Working Environment ............................................................................... 13
Sensor Connections ..................................................................................................... 13
Media Considerations ................................................................................................... 14
Tool Position and Programming ................................................................................... 14
Spindle Operation and Media Selection ....................................................................... 15
Safety Precautions ....................................................................................................... 15
Maintenance Instructions.......................................................................................... 16
5.1
5.2
5.3
5.4
5.5
6.
Product Description ........................................................................................................ 9
Technical Specifications ................................................................................................. 9
Operation ................................................................................................................... 12
4.1
4.2
4.3
4.4
4.5
4.6
4.7
5.
Inspection of Condition When Delivered ........................................................................ 6
Unpacking and Handling ................................................................................................ 6
Installation ...................................................................................................................... 6
2.3.1 Mounting Adapter and Air Supply ..................................................................... 6
2.3.2 Pneumatics and Lubrication ............................................................................. 7
Transportation and Protection during Transportation .................................................... 8
Storage and Preventive Maintenance during Storage ................................................... 8
Technical Description ................................................................................................. 9
3.1
3.2
4.
Environmental Limitations .............................................................................................. 5
Troubleshooting Matrix ................................................................................................. 21
Media Selection ............................................................................................................ 21
Recommended Spare Parts ...................................................................................... 22
Drawings .................................................................................................................... 23
Terms and Conditions ............................................................................................... 26
Attachments ............................................................................................................... 27
Pinnacle Park 1031 Goodworth Drive  Apex, NC 27539  Tel: 919.772.0115  Fax: 919.772.8259  www.ati-ia.com  Email: info@ati-ia.com
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1. General Data
1.1 Environmental Limitations
Operation
Installation position
Mounted to machining center by means various,
customer-supplied tool holders/adapters.
Temperature range
5°C–35°C
41F–95F
Storage
Temperature range
0°C–45°C
32F–113F
Conditions
The tool should be stored in its crate and in a dry
place. Consult Section 2.5 of this manual.
Utilities
The tool requires clean, dry, filtered, lubricated
air. The use of a coalescing filter and filter
elements rated 5 micron or better is
recommended. The 390 Watt air motor consumes
air at a rate of 9 liters/second (19 CFM) at 6.2 bar
(90 psi). A separate air pressure regulator is used
to pneumatically control the compliance force.
Pinnacle Park 1031 Goodworth Drive  Apex, NC 27539  Tel: 919.772.0115  Fax: 919.772.8259  www.ati-ia.com  Email: info@ati-ia.com
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2. Handling, Installation, Storage and Transportation
2.1 Inspection of Condition When Delivered
Upon receipt, the following should be checked:
- Delivery in accordance with freight documents
- Damage to packaging.
If there is damage to any of the packaging or if any of the goods have been exposed to
abnormal handling, unpack those parts that may have been damaged for a closer
inspection. If necessary, notify ATI for assistance in evaluation of the product condition.
2.2 Unpacking and Handling
The VersaFinish axially compliant tool should always be placed inside the accompanying
box (crate) during transportation, storing, and handling.
2.3 Installation
2.3.1 Mounting Adapter and Air Supply
The tool is designed for side mounting. ATI offers a side interface plate kit for
bench mounting.
The tool must be rigidly mounted prior to use. Under no circumstances should the
unit be used for manual/hand operations. Once securely mounted, the unit should
be supplied with clean, lubricated air filtered five (5) micron or better. The use of a
coalescing filter is recommended to remove trace moisture from the air supply. Air
line fittings supplying the VersaFinish should be installed with care using a
minimum of tape or liquid sealant. To prevent contaminant damage to the air
motor, all air lines should be blown down to remove debris prior to connection of
the VersaFinish.
!
CAUTION: The VersaFinish must be supplied with clean, lubricated air filtered
five micron or better. The use of a coalescing filter is recommended. Water
damage of the air motor or damage associated with debris in the air lines is
not covered under warranty.
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2.3.2
Pneumatics and Lubrication
Connect the tool as shown in Figure 2.3
Figure 2.3—Pneumatic Connections
The air supply should be dry, filtered, and lubricated as described in Section 5.6.
A high-flow air pressure control regulator is required to supply the spindle motor at
6.2 bar (90 psi). A second, precision, self-relieving regulator will supply air for the
compliance or centering force.
The compliance force is applied axially and is adjusted until the desired finishing
result is achieved. The robot traversing speed will also be adjusted to achieve the
desired finish.
Conventional, customer-supplied, pneumatic components are used to control the
air supply to the tool. ATI recommends that the user install a high-flow pneumatic
pressure regulator and a high-flow valve to properly supply a stable air supply of
6.2 bar (90 psi) to the spindle motor. (ATI Part # 9150-FRL-3 or equivalent, see
Section 3.2 for the maximum flow requirements.) While the spindle motor can be
operated below 6.2 bar, it will not develop full power or speed. Very little airflow is
required for the compliance mechanism.
The air supply solenoid valve must be controlled through robot or controller.
!
CAUTION: Pneumatic components used for the motor drive circuit must be capable of
meeting the air consumption requirements (See Technical Specifications, Section 3.2).
Poor performance will result if the correct components are not used. Lubricators must be
located as close to the unit as possible with performance rapidly deteriorating when the
distance exceeds 5 meters (15 feet).
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Function
Connection Type
Pressure
1/4-NPT Port
6.2 bar
(90 psi)
Compliance
(Axial) Force
1/8-NPT Port
.34–4.1 bar (Maximum)
(5–60 psi)
Exhaust
1/4-NPT Port
(High-flow Muffler Supplied)
Not Applicable
Motor Inlet
Table 2.1—Pneumatic Connections
The tool must be plumbed using flexible tubing. The inside diameter of the tubing
should be as large as practical to minimize pressure drop to the spindle motor
[3/8" (10mm) minimum].
The air motor is quiet and vents air to the environment through the supplied highflow muffler at the rear of the unit. The customer may choose to replace the
muffler with tubing to carry exhaust away from the work area. Such tubing must be
as large and flexible as possible to minimize pressure drops and allow
unrestricted axial motion respectively. To reduce the sound level in neighboring
working areas, a customer-supplied barrier surrounding the installation may be
installed (Plexiglas or Lexan is preferred, see Section 3.2).
The compliance force air supply pressure regulator should be adjusted between
0.34–4.1 bar (5–60 psi). When testing for the proper contact force, start with a
very low pressure and increase slowly until the desired process result is achieved.
2.4 Transportation and Protection during Transportation
The VersaFinish is packaged in a crate designed to secure and protect it during
transportation. Always use the crate when transporting the VersaFinish in order to
minimize the risk of damage.
2.5 Storage and Preventive Maintenance during Storage
For short-term storage, the tool should be stored in a dry place in its crate when it is not in
use.
For long-term storage, the VersaFinish should be thoroughly cleaned of any burrs, dust, or
debris. To protect the air motor, the user may wish to inject several drops of oil directly into
the motor input followed by a short burst of supply air to insure the vanes and internal
components are completely lubricated. The units should not be disassembled. Place the
tool inside a sealed, plastic bag and place the bagged tool inside the crate.
Pinnacle Park 1031 Goodworth Drive  Apex, NC 27539  Tel: 919.772.0115  Fax: 919.772.8259  www.ati-ia.com  Email: info@ati-ia.com
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3. Technical Description
3.1 Product Description
Attached at the end of this document you will find the VersaFinish product description.
3.2 Technical Specifications
Main specifications for the axially compliant tool:
Motor
Air motor, vane type
Idle Speed
5,600 RPM
Working Speed (max. power) 2,600 RPM
Power
390 W (0.52 hp) at 2,600 RPM
Torque (max. power)
1.4 Nm (1 lb-ft)
(starting/stall)
2.7 Nm (2 lb-ft)
Weight total (w/o adapter)
3.3 kg (7.25 lbs)
Compensation
15 mm max. axial, 7–8 mm recommended
(0.59 in. max. axial, 0.28–0.32 in. recommended)
Compliance force
14–74 N, @ supply pressure of 0.34–4.1 bar
(3.2–16.7 lbs, @ supply pressure of 5–60 psi)
Surface speed
Dependent on media geometry
Spindle Air pressure
6.2 bar (90 psi) maximum
Air consumption (max.)
approximately 9 l/s (19 CFM)
3
Oil consumption
Approx. 3–4 drops of oil per minute (1 drop = 15mm )
by oil fog at max. air consumption
Chuck size
3/8" Standard (Specials Available)
Abrasive media
Customer-supplied
Special tools (supplied)
Open end spanner, 15mm (Chuck & Collet Models)
Jacobs chuck key, KG1 (Key Chuck Models)
Open end spanner, 3/4‖ (Collet Models)
Open end spanner, 9/16‖ (Collet Models)
Sound Pressure Level
Less than 75 dBA , No-Load at a Distance of
5 feet (1.5 meters) From Tool
Because the working environment is unknown, it is impossible to predict the noise that will
occur during an operation. The tool may also excite resonant frequencies on equipment to
which it is mounted creating higher sound pressure levels than the unit by itself.
Each VersaFinish is tested for proper operation prior to shipment.
The following charts show measured forces relative to applied compliance air pressure.
Measurements may vary from one product to another, and should only be treated as
nominal.
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ACT-390 Horizontal Compliance Force
30
140
25
120
Compliance Forec (N)
Compliance Forec (lbf)
ACT-390 Horizontal Compliance Force
20
15
10
5
100
80
60
40
20
0
0
0
20
40
60
80
0
100
1
2
3
4
5
6
7
Air Pressure (bar)
Air Pressure (psi)
Figure 3.1—ACT-390 Horizontal Compliance Force Curves
The force characteristics shown graphically above are for horizontal, rigidly-mounted
installations. The weight of the motor, chuck, and abrasive media must be added to this if
the motor is mounted vertically with the spindle down or subtracted with the spindle pointed
up. Units mounted at angles between horizontal and vertical provide a compliance force
that must be calculated based on the specific mounting geometry or orientation.
The air motor operating speed will change according to load applied to it developing the
power required for the specific task being attempted. The idle speed of the motor will be its
maximum as no load is applied. This will drop to a lower operating speed where it will
develop the maximum torque. If the torque required exceeds the maximum available, the
motor will stall.
ACT-390 Motor Torque Performance (lb-ft)
ACT-390 Motor Torque Performance (N-m)
3.0
Torque (Nm)
Torque (lb-ft)
2.0
1.0
0.0
2.0
1.0
0.0
0
2000
4000
6000
0
RPM
2000
4000
6000
RPM
Figure 3.2—ACT-390 Motor Torque Curves
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ACT-390 Motor Power (hp)
ACT-390 Motor Power (kW)
0.6
0.4
0.5
Power (kW)
Power (hp)
0.3
0.4
0.3
0.2
0.2
0.1
0.1
0.0
0.0
0
2000
4000
6000
0
RPM
2000
4000
6000
RPM
Figure 3.3—ACT-390 Motor Power Curves
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4. Operation
These operating instructions are intended to help system integrators program, start up, and
complete an installation containing an axially compliant tool. The system integrator should be
familiar with the task in general and should have extensive knowledge of programming and
automation.
Important Note Regarding Operation:
The air motor is supported by two guide rods attached to the front plate of the deburring tool.
To prevent binding of the compliance, one of these guide rods is rigidly attached to the front
plate. The second guide rod and the compliance piston rods are free to float in the front plate.
This allows the motor assembly to achieve free compliant motion while resisting the motor’s
torque. DO NOT attempt to change the floating nature of the rods by adding washers or
additional thread locker. These actions will prevent the rods from floating, which will result in
binding of the tool’s compliance.
!
CAUTION: The floating VersaFinish rods attached to the front plate must not
be restrained. Rigid mounting of the rods attached to the front plate will result
in binding of the tool’s axial compliance.
4.1 General Precautions
It is important that all personnel involved in operation of the tool have a thorough
understanding of the operating procedures. Failure to follow these or neglecting safety
precautions can create hazardous situations, which may, in the worst case, injure
personnel or damage the installation and the tool.
The VersaFinish must only be used for automated applications.
DANGER: Never use the VersaFinish for purposes other than automated
processes. Never use the VersaFinish as a hand-held machine.
While the VersaFinish provides axial travel, it is not designed to eliminate tool chatter
which will be experienced in full contact operations, such as countersinking. Rigid tools,
such as milling machines, are required for such applications. It may be dangerous to
operate the VersaFinish for these purposes. If a failure occurs due to forces caused by
improper use, hazardous situations for both personnel and equipment could be created.
The VersaFinish is not designed to support radial loads. The use of radial media (wheel
brushes and sanding drums) in the unit is discouraged as this will lead to binding in the
linear slides preventing axial motion.
Reduce the feed rate when the work piece and the tool are making initial contact. Making
the contact movement between the tool and the work piece too fast may in some situations
result in a collision. Collisions may create hazardous situations for both personnel and
equipment.
When performing maintenance, always remember to tighten all the fasteners. When
replacing media always secure it correctly and insure that the chuck is tightened. See
Section 5.1.
The VersaFinish air motor is equipped with an integral speed reduction gearbox. The life of
this gearbox will be reduced if the media extends a long distance from the tip of the
spindle. Whenever possible, select media and mounting adapters for media that are short
and position the work as close to the VersaFinish as possible.
Pinnacle Park 1031 Goodworth Drive  Apex, NC 27539  Tel: 919.772.0115  Fax: 919.772.8259  www.ati-ia.com  Email: info@ati-ia.com
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DANGER: Never use the VersaFinish in a manner to produce radial loads.
Avoid using the VersaFinish for countersinking or drilling.
4.2 VersaFinish Working Environment
As described in previous sections, the VersaFinish should only be used in an automated
cell/chamber.
The work cell must be secured by means of barriers to prohibit personnel from entering the
cell. A lockable door should be included as a part of the barrier in order to facilitate access
to the cell for authorized personnel only. The barrier could consist partly or fully of
Plexiglas to facilitate observation of the manufacturing process.
During system or tool maintenance, make sure the VersaFinish and equipment are
stopped before entering the cell. Never be present in the cell when the tool is running when
installing and testing.
Be aware of rotating parts. Use eye-protection while working around the tool.
Be aware of high sound levels. While the VersaFinish air motor is not loud, the cutting
action associated with many processes frequently is. Always use hearing protection while
working in the neighborhood of the production cell.
4.3 Sensor Connections
The VersaFinish tool can be equipped with up to three sensors to monitor spindle position
and speed. These include the Forward, Retract, and Tachometer sensors. Each sensor is
a PNP (sourcing) type proximity switch using three wire electrical hook-up.
The Forward and Tachometer sensors are a standard 8mm threaded body 3-pin type.
Unterminated cables are connected to these sensors and exit the rear of the deburring
tool. The Retract sensor is a flat proximity switch whose short cable is terminated with a
male threaded 8mm connector. This connection may be extended using any industrystandard 8mm 3-pin cable. ATI part numbers for two such cables will be found on the
customer drawings for the VersaFinish located in Section 8.1 of this manual.
The electrical connections for 3-pin proximity sensors are color-coded and adhere to
industry-standards. The blue sensor wires are connected to 0V and the brown wires are
connected to a positive voltage source between 10V and 30VDC. With the PNP sensors
used on VersaFinish, the black wire is the output signal, which will go ―high‖ when the
switch closes (turns on). Thus, the sensor ―sources‖ power to the load or monitoring circuit.
Typical PNP Proximity Switch Schematic
Typical Male PNP Connector Pin Out
(Face View of Male 8mm Connector)
See Section 5 of this manual for more information on setting and using these sensors.
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4.4 Media Considerations
For instructions on how to replace the media, see Section 5.1.
In most applications, no cooling or lubrication of the part or tool is necessary nor is it
desirable. For some materials and situations, the addition of coolants or compressed air
may aid the cutting process. Any application of coolant must be exercised with care to
prevent fluids from entering the tool or its chuck.
As mentioned in Section 4.1, select media and media holders that position the work piece
as close to the VersaFinish as possible.
4.5 Tool Position and Programming
The VersaFinish dimensions are provided in the drawings in Section 7. The VersaFinish
provides axial compliance and performs best when spindle is displaced through
approximately one-half of its allowable travel (approximately 8mm). The tool spindle must
never be running while programming a machining center. During teaching, the compliance
air must be on and supplied near 1.4 bar (20psi).
A simple programming method is to replace the desired media with a dowel pin which
projects 8mm less from the tool's chuck than the production media that will be used. The
tip of this dowel can then be used to contact the part when teaching the robot path (see
Figure 4.1).
Figure 4.1—VersaFinish Dowel Teaching Tool
The short, teach dowel pin with the tool spindle fully extended (left in Figure 4.1) will
simulate the position of the spindle deflected 8mm when the actual media/tool is installed
(right in Figure 4.1).
When running the program the first time, observe the path with the compliance air supply
turned down to approximately 1.4 bar (20 psi). Verify that at operational speed the media is
deflected but contacts the work surface. Once the path has been confirmed, the
compliance force of the media should be adjusted as described in Section 2.3.2 in order to
achieve the desired finish.
Pinnacle Park 1031 Goodworth Drive  Apex, NC 27539  Tel: 919.772.0115  Fax: 919.772.8259  www.ati-ia.com  Email: info@ati-ia.com
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4.6 Spindle Operation and Media Selection
When used with flexible abrasive media, the VersaFinish will perform best when the
rotating media approaches the burr in a direction that will fold the burr back on itself. This
will allow the media to remove material rapidly without excessive force and without the
creation of a secondary bur. This will decrease the cycle time for the operation while
extending the life of the tool and the consumable media. The VersaFinish spindle rotates
clockwise when viewed from behind.
The selection of such media is highly dependent upon the work piece material and
geometry, and the amount of material to be removed. It is not practical to present all the
possibilities in this document.
4.7 Safety Precautions

Never use or start the VersaFinish without first reading and understanding the
operating procedures described in this manual.

Make sure that the VersaFinish is mounted as described in this manual.

Never use the VersaFinish for any purposes or in any ways not explicitly described in
this manual.

Make sure that the pneumatic control equipment is connected as described.

Only original spare parts supplied by ATI must be used.

Install a barrier to prohibit people from approaching the VersaFinish while in operation.

Never be present near the VersaFinish while it is started or running. If it is necessary to
approach the VersaFinish while in motion, stand behind appropriate Plexiglas windows.

Be aware of rotating parts.

Abrasive media must be rated for at least 5,600 RPM

Use eye protection.

Be aware of high sound levels during cutting. Always use hearing protection while
working in the neighborhood of the VersaFinish.
Pinnacle Park 1031 Goodworth Drive  Apex, NC 27539  Tel: 919.772.0115  Fax: 919.772.8259  www.ati-ia.com  Email: info@ati-ia.com
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5. Maintenance Instructions
Important Note Regarding Operation:
The air motor is supported by two guide rods attached to the front plate of the deburring tool.
To prevent binding of the compliance, one of these guide rods is rigidly attached to the front
plate. The second guide rod and the compliance piston rods are free to float in the front plate.
This allows the motor assembly to achieve free compliant motion while resisting the motor’s
torque. DO NOT attempt to change the floating nature of the rods by adding washers or
additional thread locker. These actions will prevent the rods from floating, which will result in
binding of the tool’s compliance.
!
CAUTION: The floating VersaFinish rods attached to the front plate must not
be restrained. Rigid mounting of the rods attached to the front plate will result
in binding of the tool’s axial compliance.
5.1 Routine Operational Maintenance
The VersaFinish is warranted by ATI for a period of one year or 2000 hours of operation
from date of purchase, whichever occurs first. The tool utilizes a vane-type air motor with
integral speed reduction gearbox. When subjected to normal use, this robust unit will
provide many hours of operation before service or repair is necessary. When subjected to
high shock loading or periods of continuous service without interruption, the unit will
require service or repair earlier. While simple in design, there are few user-serviceable
parts in the assembly. The user is encouraged to return the unit to ATI for service. The
following information is provided to assist the user when they choose to service the unit in
the field.
For all service, it is recommended that the air supply (before the solenoid valves) be
disconnected. Drain any trapped air pressure in the lines. It is suggested that the air supply
be ―locked out‖ to prevent accidental operation of the spindle. During maintenance
operations, refer to drawings in Section 7.
5.2 Media Replacement
The standard VersaFinish unit ships with a simple drill chuck to hold customer-supplied
media. A standard chuck key is used to loosen and tighten the chuck. When tightening the
chuck, insert and turn the key into each of the three holes around the chuck's perimeter.
ATI can design special media holders for custom applications upon request. It is assumed
that the customer requesting such special media holding devices will be familiar with their
use. When in doubt, the customer should refer to the manufacturer of the media to
determine how to properly secure that media to the spindle.
5.3 Boot Replacement
The tool is equipped with a simple boot between the moving motor mounting plate and the
main housing. This boot is provided to minimize contamination of the guide and piston rods
allowing free axial motion. This boot is not provided as a safety device. Under no
circumstances should the user operate the unit without the boot. The user should never
have their hands on or near the unit when in operation.
To replace the boot, perform the following steps.
1. Discharge any pressure in the air lines to the tool's spindle and compliance
connections.
2. Use a suitable pick or small ball-end hex wrench to lift and remove the o-ring securing
the boot to the front plate of the unit.
3. Similarly remove the o-ring securing the boot to the main housing.
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4. Use the pick to lift the boot as necessary and slide it forward off the spindle end of the
tool.
5. To refit the boot perform the following steps:
 Slip the first o-ring up and over the boss of the main housing, temporarily leaving
the o-ring on the main housing.
 Slip the boot over the moving motor mount plate and onto the main housing.
 Position the boot so its locking surfaces engage the grooved boss on both the
moving plate and the main housing.
 Refit both o-rings to secure the boot.
5.4 Air Motor Replacement
The air motor must be operated using lubricated air or it will fail and require replacement.
The motor includes a gearbox (gearhead) to lower the spindle speed. Maintenance of
either the motor or the gearbox requires the motor be removed from the tool.
VersaFinish units with defective motors should be returned to ATI during the warranty
period. Should the customer wish to replace the motor after the warranty period, the
following steps must be performed.
1. Discharge any pressure in the air lines to the tool's spindle and compliance
connections.
2. Disconnect the flexible tubing supplying the air motor and compliance.
3. Disconnect any air lines connected to the motor's exhaust port in place of the muffler.
4. Thread ¼‖ NPT straight fittings or pipe nipples into the motor's supply and exhaust
ports to use as handles during the removal sequence.
5. Use the 15 mm open-end wrench to hold the spindle nut behind the chuck.
6. Insert the chuck key into the chuck. While holding the 15 mm wrench securely,
unscrew the chuck counterclockwise using the chuck key as a lever.
7. With the chuck removed, hold the spindle threads with fingers and remove the 15 mm
nut previously held by the open end wrench.
8. Use a hex wrench to loosen the four flat-head screws securing the seal plate to the
moving motor mount plate at the front of the tool, thus freeing the air motor.
9. At the rear of the unit, grasp the fittings/nipples installed previously in the rear of the
air motor and use them to rotate the motor CLOCKWISE from the rear. This will
unscrew the motor from the front plate of the tool. (NOTE: The motor mount uses
left-hand threads, rotate CLOCKWISE to remove).
10. Reassembly is the reversal of these steps noting the following important steps.
 Fit the seal plate to the moving motor mount plate tightening the flat-head screws
until they bottom out.
 Back the flat-head screws out one-half (1/2) turn.
 Thread the motor into the front plate (remembering that the motor mount has lefthand threads and must be turned counterclockwise from the rear to tighten).
 When the motor bottoms out against the seal plate, return to the flat-head screws
on the seal plate and tighten them securely.
 Apply a thin film of grease to the shoulder of the 15 mm nut that goes behind the
chuck and thread it onto the motor shaft until it bottoms out.
 Thread the chuck onto the spindle until it bottoms out on the 15 mm nut.
 As during removal, insert the chuck key into the chuck and use it as a lever to
tighten the chuck against the 15 mm nut held by the open end wrench.
 Reinstall the desired air supply fittings as appropriate.
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5.5 Sensor Replacement
The VersaFinish may be outfitted with up to three (3) proximity sensors. These sensors
may be monitored by the customer to determine the following information.
1. Option –F: The Forward Sensor. This sensor is included on all units. It is ON when
the spindle is fully forward.
2. Option –R: The Retract Sensor. This sensor is ON when the spindle is fully
Retracted.
3. Option –T: The Tachometer. This sensor delivers two (2) OFF pulses for every
spindle rotation.
The -R and -T are optional features specified at the time of order placement. These options
can be added in the field by following the reassembly and adjustment steps below.
5.5.1
Forward Sensor (Option -F)
The forward sensor is mounted inside the VersaFinish housing. When the spindle
is fully forward the sensor will turn on. The spindle must be displaced
approximately 1mm to the rear before the sensor will turn off. This may be utilized
to insure that the media is in contact with the part to be deburred.
To remove, install, and adjust the sensor perform the following steps.
1. Discharge any pressure in the air lines to the tool's spindle and compliance
connections.
2. Remove the three socket head screws holding the rear housing to the front
housing.
3. Remove the rear housing and observe the nickel plated cylindrical sensor
mounted in the plastic block.
4. Remove the screw securing the plastic block to the housing and remove the
sensor, pulling its lead through the rubber seal of the rear housing.
5. Reassembly is the reversal of these steps noting the following important
steps.
 Fit the plastic block to the housing and push the spindle fully forward.
 Adjust the clearance between the face of the nickel plated sensor and the
head of the socket head screw until the radial gap is approximately 1 mm.
 Tighten the screw securing the block to the housing.
 Pass the sensor wire out of the rear housing seal and refit the rear
housing to the main housing of the tool. Insure that all o-ring seals are in
place before securing the screws.
 Connect the sensor wires to an appropriate power supply. (24V DC with
blue = 0V, brown = +24V, and black = output).
 Remove the stainless button head screw from the rear housing and reach
through the opening with the appropriate sized hex wrench to turn the
adjusting screw.
 Push the motor mounting plate all the way forward.
 With the spindle pushed all the way forward, turn the target socket head
screw counter clockwise until the sensor just turns OFF.
 Turn the target screw one complete turn clockwise.
 Refit the stainless steel button head screw.
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5.5.2
Retract Sensor (Option -R)
The retract sensor is mounted to the rear housing inside the tool. When the
spindle is within approximately 1.5mm of being fully retracted the sensor will turn
on. This may be utilized to indicate when excessive brush force is being applied
(i.e., the brush has been pushed back so far and so hard that the end of
compliance travel has been reached).
To remove, and install the sensor perform the following steps (there is no
adjustment).
1. Discharge any pressure in the air lines to the tool's spindle and compliance
connections
2. Remove the three socket head screws holding the rear housing to the front
housing.
3. Locate the flat sensor secured to the rear housing using a single flat-head
screw.
4. Remove the flat-head screw and pass the sensor and wire through the slot
and rubber seal on the rear housing.
5. Reassembly is the reversal of these steps.
5.5.3
Tachometer Sensor (Option -T)
The tachometer sensor is an optional speed sensing system that allows the user
to monitor the rotating speed of the spindle. A target disk is sandwiched between
the spindle chuck and the nut securing it. Two equally spaced holes in this plate
serve as targets for the sensor. The sensor is mounted on the moving motor
mount plate. For every rotation of the spindle there will be two OFF pulses to be
monitored by the customer's tachometer circuit.
NOTE: The tachometer option is for process development. The thin target
disk may be damaged in a production environment. Once process
development is complete, the customer is advised to remove the
target disk from the spindle or to insure that nothing can
accidentally strike the target.
To remove, install, and adjust the tachometer sensor, perform the following steps.
1. Discharge any pressure in the air lines to the tool's spindle and compliance
connections.
2. Follow the instructions to remove the spindle chuck as described under
Section 5.4—Air Motor Replacement.
3. Remove the boot as described under Section 5.3—Boot Replacement.
4. Remove the rear housing as described previously in the Forward and Retract
Sensor sections.
5. At the front of the tool, loosen the jam nut securing the tachometer sensor to
the moving motor mount plate.
6. Using the sensor's cable as a tool, rotate the cable counterclockwise to
unscrew the sensor and withdraw it to the rear of the tool.
7. Reassembly is the reversal of the steps above observing the following points:
 Fit the cable to the sensor, insert it through the main housing and, using
fingers (and the attached cable), thread it through the moving motor
mount plate.
 Fit the sensor jam nut and a single lock washer finger tight to the front of
the moving motor plate.
 Fit the large target plate to the motor spindle and fit the chuck. Tighten the
chuck as described in Section 5.4—Air Motor Replacement.
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 Using fingers, advance the tachometer sensor until there is a gap of 1mm
between the sensor and the back of the target plate. Rotate the spindle
through one complete revolution by turning the chuck. Observe the sensor
to target gap and adjust the sensor position as necessary so the sensor
does not hit the target nor has a gap greater than 1mm. The target will
have some warpage causing axial runout. This is normal and acceptable.
 Tighten the sensor jam nut. DO NOT USE EXCESSIVE TORQUE ON
THIS NUT. Tighten the nut finger-tight followed by an additional 1/12 turn
with a wrench.
5.6 Pneumatics
The air tubing/lines to the VersaFinish should routinely be checked for their general
condition and replaced as required. The lines must be highly flexible to allow free axial
motion of the tool. The air to the tool must be filtered, dry, and lubricated. The air filters
should be checked and replaced as required to maintain optimum performance. Check the
oil level in the lubricator daily, adding oil as necessary. The life of the filter elements is
dependent on the quality of compressed air at the customer’s facility and therefore cannot
be estimated.
5.7 Lubrication
The VersaFinish air motor must be supplied with clean, dry, filtered, lubricated air.
The air supply should be dry, filtered, and lubricated. A coalescing filter with elements
rated for 5 micron or better is recommended. Air tool oil must be applied at a rate of 0.05
ml per 1000 liters of air [0.002 fluid ounces (U.S.) per 36 cubic feet]. When an oil-fog type
lubricator is utilized, this will equate to approximately 3–4 drops per minute at the rated air
consumption of 8.3 liters/second (17.6 CFM). It is imperative that the lubricator be located
within 15 feet of the tool.
!
CAUTION: Failure to lubricate the air to the vane motor will result in premature
failure of the motor and is not covered under warranty. It is recommended that the
customer use a coalescing filter and filter elements rated 5 micron or better to
remove trace moisture. A lubricator should be located within 15 feet of the tool.
Pinnacle Park 1031 Goodworth Drive  Apex, NC 27539  Tel: 919.772.0115  Fax: 919.772.8259  www.ati-ia.com  Email: info@ati-ia.com
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6. Troubleshooting
6.1 Troubleshooting Matrix
Process development is an iterative, learning task. The following table is presented to
assist in solving various problems.
Cause
Problem
Wear
Solution
Too heavy a cut
Decrease width of cut/make multiple passes
Feed rate is too slow
Increase feed rate
Unequal
compliance
Defective regulator
Replace regulator
Poor finish
Feed rate is too fast
Reduce feed rate
Media is worn
Replace media
Incorrect feed rate
Reduce feed rate
Too heavy a cut
Decrease width of cut/make multiple passes
Incorrect feed direction
Change path
Not enough or no drive air
Check drive air regulator for 90 psi (6.2 bar) and
for leaks
Media is not secure in collet
Properly tighten chuck
Too much compliance force
Decrease width of cut/make multiple passes
Compliance exceeded
Examine/correct path
Guide rods and pistons
contaminated
Remove boot, clean and lubricate rods.
Secondary
Burrs
Spindle stalls
Sticking spindle
6.2 Media Selection
ATI can provide some guidance is in media selection, however, only experimentation will
yield the results desired. Contact ATI's Applications Engineers for assistance.
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7. Recommended Spare Parts
For repair and spare parts please contact ATI. For an exploded drawing showing all the
components of the VersaFinish, see Section 7—Drawings. Suggested user replaceable,
optional, and spare parts are listed in the tables below. All other repairs must be performed
by ATI.
The following optional parts are available for the VersaFinish:
Part Number
Description
9150-FRL-3
Precision Air Filter/Regulator/Lubricator (Spindle Air, 90 psi)
9150-P16-B-G
Precision Air Pressure Regulator (Compliance Air, 60 psi)
9150-ACT-T-3169A26
VersaFinish Chuck Key, KG1 (for Keyed Chuck Models)
9150-ACT-T-841015mm
15mm Open End Spanner (all Models)
9150-ACT-T-841075in
3/4‖ Open End Spanner (for DA200 Collet Models)
9150-ACT-T-841056in
9/16‖ Open End Spanner (for DA200 Collet Models)
9150-ACT-C-84911163
1/4‖ DA200 Collet (for DA200 Collet Models)
9150-ACT-C-CBC200
Collet Nut (for DA200 Collet Models)
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8. Drawings
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VersaFinish™ Installation and Operation Manual
Document: 9610-50-1012-14
Pinnacle Park 1031 Goodworth Drive  Apex, NC 27539  Tel: 919.772.0115  Fax: 919.772.8259  www.ati-ia.com  Email: info@ati-ia.com
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VersaFinish™ Installation and Operation Manual
Document: 9610-50-1012-14
Pinnacle Park 1031 Goodworth Drive  Apex, NC 27539  Tel: 919.772.0115  Fax: 919.772.8259  www.ati-ia.com  Email: info@ati-ia.com
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Document: 9610-50-1012-14
9. Terms and Conditions
The following Terms and Conditions are a supplement to and include a portion of ATI’s Standard Terms
and Conditions, which are on file at ATI and available upon request.
ATI warrants to Purchaser that axially compliant tool products purchased hereunder will be free from
defects in material and workmanship under normal use for a period of one (1) year or 2000 hours of
operation from the date of shipment, whichever occurs first. This warranty does not cover components
subject to wear and tear under normal usage or those requiring periodic replacement. This warranty is void
if the unit is not used in accordance with guidelines presented in this document. ATI will have no liability
under this warranty unless: (a) ATI is given written notice of the claimed defect and a description thereof
within thirty (30) days after Purchaser discovers the defect and in any event not later than the last day of
the warranty period; and (b) the defective item is received by ATI not later ten (10) days after the last day
of the warranty period. ATI’s entire liability and Purchaser’s sole remedy under this warranty is limited to
repair or replacement, at ATI’s election, of the defective part or item or, at ATI’s election, refund of the
price paid for the item. The foregoing warranty does not apply to any defect or failure resulting from
improper installation, operation, maintenance or repair by anyone other than ATI.
ATI will in no event be liable for incidental, consequential or special damages of any kind, even if ATI
has been advised of the possibility of such damages. ATI’s aggregate liability will in no event exceed the
amount paid by purchaser for the item which is the subject of claim or dispute. ATI will have no liability
of any kind for failure of any equipment or other items not supplied by ATI.
No action against ATI, regardless of form, arising out of or in any way connected with products or
services supplied hereunder may be brought more than one (1) year after the cause of action occurred.
No representation or agreement varying or extending the warranty and limitation of remedy provisions
contained herein is authorized by ATI, and may not be relied upon as having been authorized by ATI,
unless in writing and signed by an executive officer of ATI.
Unless otherwise agreed in writing by ATI, all designs, drawings, data, inventions, software and other
technology made or developed by ATI in the course of providing products and services hereunder, and all
rights therein under any patent, copyright or other law protecting intellectual property, shall be and remain
ATI’s property. The sale of products or services hereunder does not convey any express or implied license
under any patent, copyright or other intellectual property right owned or controlled by ATI, whether
relating to the products sold or any other matter, except for the license expressly granted below.
In the course of supplying products and services hereunder, ATI may provide or disclose to Purchaser
confidential and proprietary information of ATI relating to the design, operation or other aspects of ATI’s
products. As between ATI and Purchaser, ownership of such information, including without limitation any
computer software provided to Purchaser by ATI, shall remain in ATI and such information is licensed to
Purchaser only for Purchaser’s use in operating the products supplied by ATI hereunder in Purchaser’s
internal business operations.
Without ATI’s prior written permission, Purchaser will not use such information for any other purpose or
provide or otherwise make such information available to any third party. Purchaser agrees to take all
reasonable precautions to prevent any unauthorized use or disclosure of such information.
Purchaser will not be liable hereunder with respect to disclosure or use of information which: (a) is in the
public domain when received from ATI; (b) is thereafter published or otherwise enters the public domain
through no fault of Purchaser; (c) is in Purchaser’s possession prior to receipt from ATI; (d) is lawfully
obtained by Purchaser from a third party entitled to disclose it; or (f) is required to be disclosed by judicial
order or other governmental authority, provided that, with respect to such required disclosures, Purchaser
gives ATI prior notice thereof and uses all legally available means to maintain the confidentiality of such
information.
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10.Attachments
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