Flexible. Modular. Strong. SWS-L Quick-change System

SWS-L
Robot Accessories | Changing | Quick-change System
Flexible. Modular. Strong.
SWS-L Quick-change System
Pneumatic tool changing system with patented locking system for heavy loads.
Field of Application
Can be used wherever short changeover times between a
handling device and a tool (gripper, pallets, welding gun)
are required
Advantages – Your benefit
Patented fail-safe locking mechanism for safe connection
between quick-change master and quick-change adapter
Manual emergency unlocking possible no counter-forces
from springs
All functional components made from hardened steel for
a greater change system load bearing capacity
The same option modules for all sizes that permits the
use of standard parts in the production line
Possibility of transmission of electric devices SWS 041
storage module
As standard, many option modules can be attached for
highest flexibility of your application
Adapter coding via electric module possible
Suitable storage racks for all sizes to ensure the optimal
adaption to each application
ISO flange pattern for easy assembly to most types of
robots without needing additional adapter plates
Sizes
Quantity: 4
258
Handling weight
300 .. 1350 kg
Moment load Mx
7600 .. 13500 Nm
Moment load Mz
4060 .. 16200 Nm
SWS-L
Robot Accessories | Changing | Quick-change System
Functional Description
mounted onto the robot, couples up the SWA mounted
onto your tool. A pneumatically driven locking piston,
with its patented design, ensures that the connection is
secure. After coupling, pneumatic and electric feedthroughs automatically supply your robot tool.
Due to the automatic change of the robot tool (e.g.
gripper, vacuum gripping system, pneumatically or
electrically driven tools, welding guns …) flexibility of your
robot is increased.
The SWS quick-change system consists of a SWK quickchange master and a SWA quick-change adapter. The SWK,
SWS-L
1
SWS quick-change master
with patented locking
2
Valve adapter
with integrated valve for control of the unit
3
Control module
for control of the valve adapter and additional signal
transmission to the tool
4
E-module
for separate transmission of power and sensor signals
for servo drives, for example
5
Welding current module
for high current loads
6
Fluid module, self-sealing
for drip-free transfer of liquid media
CAD data, operating manuals and other current product documents are available at www.schunk.com
259
SWS-L
Robot Accessories | Changing | Quick-change System
General Notes to the Series
Actuation: pneumatic, with filtered compressed air as per
DIN ISO 8573-1: 7 4 4
Operating principle: Locking balls actuated by pistons
Pass through: Variable via attachment modules,
depending on the type
Housing: The housing is made of high-tensile, hardcoated aluminum alloy. The functional parts are made of
hardened steel.
Scope of delivery: Operating and maintenance instructions, manufacturer’s declaration
Application example
Heavy-load gripper unit with robot
quick-change system for changing the
handling devices such as grippers and
electrode holders.
1
SWS-L Quick-change System
2
PZN-plus 3-Finger Universal Gripper
260
Warranty: 24 months (details, general terms and conditions and operation manuals can be downloaded at
www.schunk.com)
Harsh environmental conditions: Please note that use in
harsh environmental conditions (e.g. in the coolant area,
cast and grinding dust) can considerably reduce the
service lifetime of the units, and could void warranty.
However, in many cases we can find a solution. Please
contact us.
Handling weight: The weight of the total load attached to
the flange. The design must take into account the permissible forces and moments. Please note that the life span
will be reduced if the maximum handling weight is
exceeded.
SWS-L
Robot Accessories | Changing | Quick-change System
SCHUNK offers more ...
The following components make the SWS-L even more
productive – the perfect complement for highest
functionality, flexibility, and process reliability.
SWM-L Storage Rack
i
Cable Connector
Optional Electrical Module
Pneumatic Optional Modules
Extension Cable
Adapter Plates
Inductive Proximity Switches
Further information regarding the products can be found on the following products pages or at www.schunk.com. Please contact us for further
information: SCHUNK technical hotline +49-7133-103-2696
Options and special Information
No-Touch-Locking™: Locking without touching. Ensures that the SWS is securely locked even when the SWK and SWA do not
contact.
Patented fail-safe locking mechanism: Large piston diameter and outward ball travel increase moment load. All locking
parts are made of Rc 58 stainless steel.
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SWS
Robot Accessories | Changing | Quick-change System
Selection of a SWS Quick-change System
1. Determining the Size
2. Pneumatic and electrical System
Quick Method:
When low or medium forces and moments act upon the
SCHUNK quick-change system, you should choose a quickchange system with a payload that is comparable to that
of your robot.
If high moments and forces act upon the SCHUNK quickchange system, please use the following method, which
is ­more precise.
Determine the number of required pneumatic connections
and electrical contacts. Larger quick-change systems feature
a higher number of pneumatic connections and electrical
contacts.
More Precise Method:
The forces and moments are a critical factor in choosing
a suitable quick-change system. Proceed as follows to
­estimate the most unfavorable moment:
· Calculate for the approximate center of gravity (COG) of
the heaviest end effector that will be used. Calculate the
­distance (D) from the COG to the bottom of the tool plate.
· Calculate the mass (m) of the heaviest end effector.
· Multiply m, D and gravity (9,81 m/s2) to determine the
approximate static moment (M) (or a moment based on
1 g acceleration).
· Choose a quick-change system with a high ­moment
load that is equal to or greater than M.
Due to their potentially high acceleration, robots can generate
moments that are two to three times higher than M. The quickchange systems are designed for absorbing dynamic moments
that are three times higher than their static moments.
3. Temperature and Chemicals
SCHUNK quick-change systems use nitrile seals for the pneumatic supply to the tool plate. O-rings seal the pneumatic
locking ­mechanism. These O-rings are resistant to ­most
chemical influences and also withstand temperatures in the
range from -25 to 65 °C. Please contact your SCHUNK representative if you need information on temperatures or chemical ­influences in particular environments.
4. Precision Applications
Always be sure to comply with the specifications if you work
with applications that require high repeat accuracy.
SWS Sizes
Designation
Recommended
handling weight [kg]
Dynamic moment [Nm]
Static moment [Nm]
Mx and My
Mz
Mx and My
Mz
Pneumatic
feed-throughs
Air connections
locked and unlocked
SWS-001
1.4
2.8
3.45
0.983
1.15
4 x M5
M5
SWS-005
8
37.2
50.7
12.4
16.9
6 x M5
M5
SWS-011
16
74.7
101.7
24.9
33.9
6 x M5
M5
SWS-020
25
169.5
234
56.5
78
12 x M5
M5
SWS-021
25
169.5
234
56.5
78
8 x G1/8"
M5
SWS-027
38
254.1
298.2
84.7
99.4
8 x G1/8"
G1/8"
SWS-040Q
50
678
678
226
226
8 x G1/8"
G1/8"
SWS-041
50
471
648
157
216
6 x G3/8"; 4 x G1/8" G1/8"
SWS-060
75
591
882
197
294
8 x G1/8"
G1/8"
SWS-071
79
1185
1185
395
395
8 x G1/4"
G1/8"
SWS-076
100
1626
2103
542
701
5 x G3/8"
G1/8"
SWS-110
150
2352
2352
784
784
8 x G3/8"
G1/8"
SWS-160
300
7170
3800
2390
1267
5 x G3/8“; 4 x G1/2“ G1/8"
SWS-210
270
8130
6780
2710
2260
SWS-300
450
9870
8460
3290
2820
SWS-310
510
9870
9480
3290
3160
SWS-510
700
14580
10500
4860
3500
SWS-1210
1350
16260
16260
5420
5420
262
10 x G3/8"
G1/4"
SWS-L
Robot Accessories | Changing | Quick-change System
SWS-L sample order
SW
K - 210
BM/BT - JF2
DA2 - FC2 - PA2 - EF5 - SM
Designation
SW
Side
K = Master (robot side)
A = Adapter (tool side)
Size
210 = SWS-210
310 = SWS-310
510 = SWS-510
Collar or step on the mounting surface
A = No collar (head side), no step (tool side)
B = 80 mm step / collar (only for 210)
C = 100 mm step / collar (only for 210, 310)
D = 125 mm step / collar (only for 310, 510)
E = 160 mm collar (only for 510)
Jxx: Locking and unlocking adapter or a valve adapter (only on surface ‘A’)
Note: A Jxx module, locking and unlocking adapter or a valve adapter
must be mounted on surface A. Signal modules are mounted on the Jxx module.
When combining two modules (i.e. JC2 and DD4) on surface A, the description ‘A’ is a
combination of Jxx- and the SWK-210BM-JC2DD4-AA2-0-0-SM
Option modules
Axx = Pneumatic module (anodized aluminum housing, not suitable for fluids)
Dxx = DeviceNet modules
Exx = Servo modules
Fxx = Fluid modules (stainless steel, self-sealing)
Pxx = Power module for welding current
Sxx = Signal modules
Uxx = Stud welding modules
Vxx = Signal modules with valve actuation
‘0’ = Option not used
A selection of available modules can be found in the chapter “SWS-L” Options.
Additional variants on request.
Proximity switch monitoring
SM = Inductive proximity switch PNP
0 = No proximity switch
Additional variants on request
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SWS-L 210
Robot Accessories | Changing | Quick-change System
Forces and moments
M x max. 7600 Nm
Mz max. 4060 Nm
My max. 7600 Nm
i
This is the max. sum of all forces and
moments (from acceleration or deceleration,
process forces or moments, emergency stop
situations, etc.) which are permitted to act
on the tool change system while still
ensuring proper functioning.
Technical data
Description
Recommended handling weight
SWK-210BM-0-0-0-0-SM
[kg]
Piston stroke monitoring
SWA-210CT-0-0-0-0
Quick-change master
Quick-change adapter
300
300
integrated
Presence monitoring
integrated
Locking force
[N]
31000
31000
Repeat accuracy
[mm]
0.015
0.015
Mass
[kg]
5.2
2.6
min. / max. locking distance
[mm]
2.5
2.5
max. permissible XY offset
[mm]
±2
±2
max. permissible angular offset
[°]
±1
±1
min. / max. ambient temperature
[°C]
5/60
5/60
min. / max. operating pressure
[bar]
5/6.9
5/6.9
ISO 9409-1-125-6-M10
ISO 9409-1-125-6-M10
Robot side connection
264
SWS-L 210
Robot Accessories | Changing | Quick-change System
Main view
The drawing shows the basic design of the quick-change system and does
not take into consideration the dimensions of any options described below.
1
2
5
Robot side connection
AS
Mounting surface for options
Tool side connection
Through-hole for connection
with screws
BN
CM
Bolt circle
IO
IP
Fit for a centering pin
DIN ISO-9409 bolt-hole circle
diameter
Fitting for centering
Actuation
Optional modules
The SWK must be actuated either with a control adapter or a valve adapter
with integrated valves. They must be taken into account when selecting
the options.
This unit can be equipped with different optional modules for transmitting electric signals, pneumatics or fluids. Please ask for details.
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