F+ manual chucks
F+
Manual Chucks
This catalogue describes the key components
of a power chucking system featuring the
Contents
following FORKARDT manual chuck:
FORKARDT
F+
F+ manual chucks
Should you require further information
Seite
Technical features
beyond the data contained in this catalogue,
Advantages at a glance
3
please contact FORKARDT.
The colleagues of our sales department will be
Chuck dimensions with cylindrical
pleased to help you.
spigot mounting recess
4
Dimensions and Performance data
5
Mounting and adaptor flange
for short taper mounting
6
Calculations
7
Jaws
8-9
Further manual chucks
10
Some other FORKARDT products
11
For more information visit our website at:
110.10.07 E 01/09
www.forkardt.com
2
As we are constantly striving to improve our products,
the dimensions and specifications in this catalogue
cannot always represent the latest state of the art;
they are therefore given as an indication only and are
not binding.
W O R K H O L D I N G
S O L U T I O N S
W O R L D W I D E
F+ manual wedge block chuck
with open centre
The wedge block principle, invented by FORKARDT,
has for decades formed the basis of diverse workholding systems, all of which are indispensable in
modern production technology today.
Over several generations, experts at FORKARDT
have made ongoing improvements to the wedge
block chuck and adapted it to advances in the machine tool construction sector.
The latest addition to the successful family of
FORKARDT hand–operated chucks is the F+:
A new chuck with a long tradition, it combines all the
advantages of the thoroughly tried and tested F chuck,
and enhances them with new materials and modern
production engineering expertise.
•
•
•
•
•
Technical features:
• Hardened steel chuck body for high precision
and long life performance.
• Internal components made of high-quality steels
for maximum gripping force.
• Large through bore hole for bar work.
• F+ manual chucks are compatible with virtually
all lathes.
•
•
•
For non-standard
spindle noses, special
mounting parts are
available on request.
Tried and tested F jaw
system in an unchanged
design.
Jaw types for diverse
applications.
Maximum repeat
accuracy when reusing
jaws.
Easy use of existing sets
of jaws.
Wedge blocks moving
transversely to the jaws allowing, after a short link
out stroke, the jaws to be relocated, turned or
changed.
Maximum operating speeds due
to low jaw weight.
Single jaw locking device for safe handling.
The gripping force is transmitted over generously
dimensioned surfaces (no point or linear contact).
Advantages at a glance:
Backlash-free mechanism for maximum accuracy.
Maximum loadability and wear resistance.
Quick jaw change within seconds.
Suitable for use on all types of lathes.
Long service life.
110.10.07 E 01/09
•
•
•
•
•
W O R K H O L D I N G
S O L U T I O N S
W O R L D W I D E
3
F+ manual chucks
Base jaw F+ 125
Chuck dimensions with cylindrical spigot mounting recess
Chuck type F+
Chuck size
160
200
250
315
400
500
630
161
206
255
318
400
500
630
55
75
100
130
180
270
185
235
300
380
460
580
F200
F250
F315
F400
F400
F630
230
mm
Bore
B+0,1
mm
35
45
Centering - Ø
CH6
mm
115
145
F125
F160
Jaw connection
Base jaw length
D
mm
47
74
90
110
125
160
160
Height of centering
F
mm
4
5
5
6
6
6
6
6
Mounting bolts
G
mm
3xM8
3xM10
3xM12
3xM16
3xM20
3xM24
3xM24
3xM24
Eyebolt thread
G1
mm
-
-
-
-
M16
M16
M16
M20
Chuck height
H
mm
46.5
63
81.3
92
111
118
119
143
Clearance
H1
mm
-
-
-
-
55
55
55
70
Clearance
H2
mm
53.1
69
88
99
119
129
130
155
Thread length
J
mm
11
13
18
27
33
34
34
34
Thread depth
J1
mm
-
-
-
-
30
30
30
35
Centre distance of chuck key
K
mm
33
43
54
67
86
111
153.5
196
330.2*/520
Hole circle - Ø
L
mm
100
125
160
200
250
315
235*/400
Lever length
M
mm
150
200
280
450
500
600
600
710
Jaw stroke
N
mm
4.8
6.3
6.8
7.5
9.6
12
12
14.1
Clearance
O
mm
22.5
31.5
43
47
59
57.5
58.5
72
Distance of lever
P
mm
115
180
210
300
310
360
520
570
R min
mm
9.2
12.1
13.2
14.8
18.7
24.7
41.6
33.4
R max
mm
23.6
31.5
42.6
51
68
93.1
135.7
169.8
Position of base jaw
Dimension
Width across flats
Serration pitch
S
mm
-
2.5
3
3
3
4
4
4
SW
mm
8
10
12
14
16
19
19
24
T
mm
Angle a°
Angle ß°
110.10.07 E 01/09
125
125
A
3.6
4.8
4.8
6
7
8.5
8.5
8.5
6°36'
6°36'
3°
4°30'
4°30'
4°30'
4°30'
4°30'
21°36'
21°36'
18°
19°30'
16°30'
19°30'
14°30'
69°30'
Sloth width
a
mm
5
18
20
20
26
30
30
40
Sloth depth
b
mm
3
5
6
6
8
9
9
9
Dimension
c1
mm
21
19
23
26
30
35
35
52
Dimension
c2
mm
7.5
7
10
10
14
15
15
21
Hole spacing
d
mm
20
32
40
40
54
60
60
82
Length
e
mm
47
56
67
73
86
103
103
145
Thread
g
mm
M6
M8x1
M8x1
M12x1.5
M12x1.5
M16x1.5
M16x1.5
M20
Jaw width
h
mm
14
20
22
26
32
45
45
65
Thread depth
j
mm
10
16
20
23
25
30
30
32
Tongue
k
mm
14
8
10
12
12
18
18
24
C1
daN mm/Nm
6,500
11,100
13,100
31,100
39,100
44,200
44,200
56,200
C2
mm
165
260
320
390
440
570
570
820
Chuck constant
* Hole circle to ASA B 5.9
4
W O R K H O L D I N G
S O L U T I O N S
W O R L D W I D E
daN
Nm
1/min
kg
kgm2
mm
F+ 125
3,700
40
6,000
3.7
0.0075
125
35
F+ 160
8,000
80
5,200
8.6
0.0325
161
45
F+ 200
12,000
120
4,600
18.5
0.1025
206
55
F+ 250
17,500
190
4,000
32.5
0.285
255
75
F+ 315
21,500
210
3,200
62
0.8125
318
100
F+ 400
23,400
260
2,200
102
2.2
400
130
F+ 500
23,400
260
1,500
159
5.5
500
180
F+ 630
28,000
315
1,000
293
17.5
630
270
W O R K H O L D I N G
Z
J3
J4
J5
D3
D4
Z
J4
J5
J6
D3
D4
D5
D6
D8
Z
J4
J5
J6
J8
D4
D5
D6
D8
Z
J4
J5
J6
J8
J11
D4
D5
D6
D8
Z
J6
J8
J11
D6
D8
D11
Z
J6
J8
J11
J15
D6
D8
D11
D15
Z
J8
J11
J15
D8
D11
D15
Z
J11
J15
D11
D15
Ident-No
D164662Z00B
D164662J03B
D164662J04B
D164662J05B
D164662D03B
D164662D04B
D164663Z00B
D164663J04B
D164663J05B
D164663J06B
D164663D03B
D164663D04B
D164663D05B
D164663D06B
D164663D08B
D164664Z00B
D164664J04B
D164664J05B
D164664J06B
D164664J08B
D164664D04B
D164664D05B
D164664D06B
D164664D08B
D164665Z00B
D164665J04B
D164665J05B
D164665J06B
D164665J08B
D164665J11B
D164665D04B
D164665D05B
D164665D06B
D164665D08B
D164666Z00B
D164666J06B
D164666J08B
D164666J11B
D164666D06B
D164666D08B
D164666D11B
D164667Z00B
D164667J06B
D164667J08B
D164667J11B
D164667J15B
D164667D06B
D164667D08B
D164667D11B
D164667D15B
D164668Z00B
D164668J08B
D164668J11B
D164668J15B
D164668D08B
D164668D11B
D164668D15B
-
Ident-No
D164663Z00E
D164663J04E
D164663J05E
D164663J06E
D164663D03E
D164663D04E
D164663D05E
D164663D06E
D164663D08E
D164664Z00E
D164664J04E
D164664J05E
D164664J06E
D164664J08E
D164664D04E
D164664D05E
D164664D06E
D164664D08E
D164665Z00E
D164665J04E
D164665J05E
D164665J06E
D164665J08E
D164665J11E
D164665D04E
D164665D05E
D164665D06E
D164665D08E
D164666Z00E
D164666J06E
D164666J08E
D164666J11E
D164666D06E
D164666D08E
D164666D11E
D164667Z00E
D164667J06E
D164667J08E
D164667J11E
D164667J15E
D164667D06E
D164667D08E
D164667D11E
D164667D15E
D164668Z00E
D164668J08E
D164668J11E
D164668J15E
D164668D08E
D164668D11E
D164668D15E
D164669Z00E
D164669J11E
D164669J15E
D164669D11E
D164669D15E
S O L U T I O N S
Ident-No
D164662Z00D
D164662J03D
D164662J04D
D164662J05D
D164662D03D
D164662D04D
D164663Z00D
D164663J04D
D164663J05D
D164663J06D
D164663D03D
D164663D04D
D164663D05D
D164663D06D
D164663D08D
D164664Z00D
D164664J04D
D164664J05D
D164664J06D
D164664J08D
D164664D04D
D164664D05D
D164664D06D
D164664D08D
D164665Z00D
D164665J04D
D164665J05D
D164665J06D
D164665J08D
D164665J11D
D164665D04D
D164665D05D
D164665D06D
D164665D08D
D164666Z00D
D164666J06D
D164666J08D
D164666J11D
D164666D06D
D164666D08D
D164666D11D
D164667Z00D
D164667J06D
D164667J08D
D164667J11D
D164667J15D
D164667D06D
D164667D08D
D164667D11D
D164667D15D
D164668Z00D
D164668J08D
D164668J11D
D164668J15D
D164668D08D
D164668D11D
D164668D15D
D164669Z00D
D164669J11D
D164669J15D
D164669D11D
D164669D15D
Spin
dle
squ
are
driv
e
Chu
ck h
eigh
t
Jaw
wid
th
Chu
c
bas k with
e ja
ws
Chu
c
bas k with
e
fals and ha
e ja
ws rd
Chu
c
und k with
iv
step ided
ped
jaws
Spin
dle
con
nec
tion
mm
mm
mm
mm
14
46.5
8
20
63
10
22
81.3
12
26
92
14
32
111
16
45
118
19
45
119
19
65
143
24
W O R L D W I D E
110.10.07 E 01/09
Chuck-type
Out
side
diam
eter
Bor
e
Max
Fsp . grippi
n
o
actu at ma g force
atin ximu
g
torq m
Md
ue
m
(ma ax
x
forc imum a
e)
ctua
ting
Max
imu
ms
pee
dn
max
Wei
ght
(wit
h ja
ws)
Mas
s
of in mome
ertia nt
Dimensions and Performance data
5
F+ manual chuck with integral adaptor and mounting flange
for short taper mounting
Chuck with integral mounting flange for bayonet-type fastening
according to DIN 55027, ISO 702/III, ASA B 5.9 B
Spindle nose
size
3
4
5
6
8
11
15
Chuck
size
Type
C1
Type
C1
Type
C1
Type
C1
Type
C1
Type
C1
Type
C1
125
F125-J3
59.5
F125-J4
59.5
F125-J5
66.5
160
200
F160-J4
75.3
F160-J5
79.3
F160-J6
85.3
F200-J4
93.3
F200-J5
95.3
F200-J6
97.3
F200-J8
108.3
250
315
400
500L
Backplate J
630
C1
F250-J5
107
F250-J6
108
F250-J8
110
F315-J6
128
F315-J8
130
F315-J11
133
F400-J8
138
F400-J11
138
F500L-J8
138
F500L-J11
138
F500L-J15
145
F630-J11
165
F630-J15
167
400
500L
630
Chuck with integral mounting flange for camlock fastening
according to DIN 55029, ISO 702/II, ASA B 5.9 D1
Spindle nose
size
3
4
5
6
8
11
15
Chuck
size
Type
C1
Type
C1
Type
C1
Type
C1
Type
C1
Type
C1
Type
C1
125
160
F125-D3
66.5
F125-D4
67.5
200
250
315
Backplate D
C1
F160-D4
85.3
F160-D5
87.3
F160-D6
103.3
F200-D4
99.3
F200-D5
101.3
F200-D6
106.3
F250-D5
112
F250-D6
117
F250-D8
122
F315-D6
146
F315-D8
138
F315-D11
143
F400-D8
143
F400-D11
148
F500L-D8
143
F500L-D11
148
F500L-D15
153
F630-D11
170
F630-D15
175
Chuck with cylindrical spigot mounting recess, with adaptor flange for mounting on spindle nose
according to DIN 55026, ISO 702/I, ASA B 5.9 A1 and A2
Spindle nose
size
3
4
5
6
8
11
15
Chuck
size
Type
C1
Ident. No
Type
C1
Ident. No
Type
C1
Ident. No
Type
C1
Ident. No
Type
C1
Ident. No
Type
C1
Ident. No
Type
C1
Ident. No
125
F125-A3
64.5
D1076104000
F125-A4
64.5
D1070764001
160
200
F160-A4
81.3
D1070418002
F160-A5
81.3
D1070419002
*) With register cover F500/700-J11
F200-A4
110
F200-A5
110
D1070417002
F200-A6
112
D1070421002
250
315
400
500L
630
Adaptor flange ZWF
C1
F250-A5
110
D1070352002
F250-A6
112
D1070353002
F250-A8
117
D1070424002
F315-A6
136
D1070363002
F315-A8
136
D1070376002
F315-A11
143
D1070375002
F400-A8
148
D1070427102
F400-A11
150
D1070428002
F500L-A8
154
D1070754002
F500L-A11
*)154
F500L-A15
159
D1070755002
F630-A11
183
D1070431002
F630-J15
**)167
**) With register cover F630/400-J15
Chuck with integral adaptor plate for mounting on spindle nose
according to DIN 55026, ISO 702/I, ASA B 5.9 A1 and A2
Intermediate plate ZWS
C1
110.10.07 E 01/09
Mounting plates for mounting F+ manual chuck on spindle noses
according to DIN 55026 and ISO 702/I available on request!
6
W O R K H O L D I N G
S O L U T I O N S
W O R L D W I D E
Calculations for
m a n u a l c h u c k Ty p e F +
Dynamic gripping force
The dynamic gripping force Fsp is thus calculated as:
Fsp =
C1
x Md ± 0.0008 x
C2 + a
( G x Ra x i )
x n2
[daN]
1000
+ for internal chucking | - for external chucking
Where the gripping force at standstill Fsp0 (at spindle speed n = 0) is:
Fsp0 =
C1
x Md
[daN]
C2 + a
torque of the chuck in question
for this formula.
and the loss of gripping force
Δ Fsp = ± 0.0008 x
Please choose the maximum
Δ
Fsp at spindle speed n is:
( G x Ra x i )
x n2
[daN]
1000
Terms used in the formula:
Fsp
= dynamic gripping force [daN],
the total gripping force of all the jaws
in rotation
+ for internal chucking
- for external chucking
C1, C2
= Chuck constants
Md
= Torque generated with chuck key [Nm]
n
= spindle speed [min-1]
a
= Jaw overhang [mm]
(front edge of chuck to clamping position)
G
= Weight of the jaw set [kg]
i
= Number of jaws
Ra
= Distance of centre of gravity from
110.10.07 E 01/09
(e.g. one-piece stepped jaw FSTB)
chuck centreline [mm]
Dsp
= Gripping diameter [mm]
W O R K H O L D I N G
S O L U T I O N S
W O R L D W I D E
7
Jaws
F+ manual chucks are available either with FGB base
jaws and FHB hard top jaws, or with one-piece FSTB
stepped jaws. Further jaw types and special jaws are
available on request.
• One-piece
stepped jaws
• Hardened, one-piece gripping jaws
for universal application
• Gripping jaws can be reground in the chuck.
FSTB
• Increased driving force due to multiple teeth
• Reground in the chuck when delivered
with a FORKARDT chuck
• Maximum stability
• Hard top jaws
• Hardened top jaws for universal application
• Gripping jaws can be reground in the chuck.
FGB + FHB
• Soft top jaws
110.10.07 E 01/09
FGB + FWB
8
W O R K H O L D I N G
• Increased driving force due to multiple teeth
• Reground in the chuck when delivered
with a FORKARDT chuck
• Hardened base jaws with soft top jaws for
clamping finished machined workpieces
• High precision for finish-machining
and precision work
• Internal turning of the chucking diameter
in the chuck under clamping pressure
S O L U T I O N S
W O R L D W I D E
Jaws
F+ manual chucks are also available either with FMB
monoblock jaws and KBKTNC + SKA rough-machining jaws, or KBKTNC + SKI rough-machining jaws.
Further jaw types and special jaws are available on
request.
• Monoblock jaws
• Soft monoblock jaws for finish-machining
• High stability
• Greater use of jaw volume
(no mounting bolts)
FMB
• Lower jaw centrifugal force through possible
weight reduction
• Work pieces can be clamped closer
to the chuck
• Rough–machining
jaws
for external clamping
KBKTNC + SKA
• Rough–machining
jaws
for internal clamping
KBKTNC + SKI
• Maximum machining volume due
to maximum driving force
• Shorter machining time with same
gripping force
• High efficiency due to interchangeable
claw insert
• Practical, material-saving
short chucking option
• Suitable for all FORKARDT wedge block
and quick-change jaw chucks
110.10.07 E 01/09
• Chucking depth adjustable via
interchangeable stops.
W O R K H O L D I N G
S O L U T I O N S
W O R L D W I D E
9
Further manual chucks
ATSC
• Universal scroll chuck for conventional machines
• Suitable for diverse chucking tasks in small-series production
• DIN and USA types
• Steel body
• Patented adjusting device Ajust-Tru®
• High-precision machine spindle alignment
• Good repetitive accuracy
Bilsing independent chucks
• Four independently adjustable jaws for clamping round
and irregular workpieces
• Suitable for numerous medium to heavy machining tasks
• Hardened die-cast steel body for long service life
• Quick-change jaws, easy changing from inside
to outside chucking
Wescott scroll chuck system
• 3 and 4-type jaw scroll chuck
• Centric chucking and additional individually adjustable jaws
• Suitable for virtually all turning operations and work piece shapes
• Standard sizes from 160 to 1600 mm
Hand operated cam-type chuck P
with large bore
• 3, 4 or 6-jaw chuck for virtually all turning operations
• High loadability and repeat accuracy for clamping large
and heavy workpieces
110.10.07 E 01/09
• Chuck diameter from 700 to 1250 mm
10
• Extremely large centre hole for machining, e.g. long tubes
W O R K H O L D I N G
S O L U T I O N S
W O R L D W I D E
S o m e o t h e r p ro d u c t s b y F O R K A R D T
Gripping force meter
• Electronic/mechanical compact unit for the
routine testing of clamping devices
• Increases the safety of production processes
• Designed in C-MOS technology
SKM
Power chucks
• Highly developed universal chuck
• With open centre, centrifugal force
compensation and integrated lubricant reserve
• Precise finish-machining at maximum speeds
• Chuck variants for diverse applications
type QLC/KS with extremely large bore
type QLC/LS with very long clamping stroke
type QLC/AG for compensating clamping
type QLC/KT the solid version for highest
standards
3 QLC/K
family
Special chucking systems
• Specially designed and manufactured
to customer requirements
• Combined centering and clamping function
for precise driving
• Example: Axle chuck for car body parts
• Sealed and oil-filled for continuous duty
Special chucks
Precision power chucks
for grinding and hard turning
• Hermetically sealed, with permanent
lubrication for freedom from maintenance
and wear
• Chucking repeat accuracy < 0.0025 mm
• Jaw changing without loss of accuracy
High-precision
chucks
• Clamping range between 12.5-178.0 mm
• Double angle collet system with split sleeves
• Variable range for the development of optimal
clamping systems
• Ground to customer requirements
EM
W O R K H O L D I N G
S O L U T I O N S
W O R L D W I D E
110.10.07 E 01/09
Expanding mandrels/Collets
11
BUSINESS
PARTNER
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FORKARDT DEUTSCHLAND GMBH
Heinrich-Hertz-Str. 7
D-40699 Erkrath
Phone: (+49) 211- 25 06-0
Fax:
(+49) 211- 25 06-221
E-Mail: info@forkardt.com
FORKARDT SCHWEIZ GMBH
Industriestrasse 3
CH-8307 Effretikon
Phone: (+41) 52-3 55 31 31
Fax:
(+41) 52-3 43 52 40
E-Mail: info-ch@forkardt.com
FORKARDT FRANCE S.A.R.L.
28 Avenue de Bobigny
F-93135 Noisy le Sec Cédex
Phone: (+33) 1-41 83 12 40
Fax:
(+33) 1-48 40 47 59
E-Mail: forkardt.france@forkardt.com
BUCK CHUCK
2155 Traversefield Drive
Traverse City, MI 49686
USA
Phone: (+1) 231-995-8312
Fax:
(+1) 231-941-2466
E-Mail: buck.forkardt@forkardt.com
N.A. WOODWORTH
1391 Wheaton Ave. Suite 700
Troy, MI 48083
USA
Toll Free: 800.544.3823
E-Mail: sales@itwworkholding.com
Website: www.itwworkholding.com
FORKARDT NORTH AMERICA
1391 Wheaton Ave. Suite 700
Troy, MI 48083, USA
Phone: 248 -743 - 4400
800 -794- 6190
Fax:
248 -743 - 4401
E-Mail: info@forkardtusa.com
© 2009 FORKARDT, Errors and omissions excepted. ITW Workholding-Group is a division of Illinois Tool Works Inc.
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Printed in Germany
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www.forkardt.com
www.itwworkholding.com
110.10.07 E 01/09-0.0 FK
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