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3
Clamping
Systems
Application:
For grinding hardened jaws and turning unhardened jaws.
Order
No.
Size
3120
Outside ∅
mm
Inner ∅
mm
Adjusting range ∅ J
mm
Adjusting range ∅ A
mm
for lathe chucks up to ∅
mm
Thread
B
mm
0001
0*
795.00
◊
153
110
50–115
150–215
125
M5
20
0003
1
895.00
◊
176
110
35–125
170–260
200
M8
31
0005
2
995.00
◊
215
135
70–140
215–285
250
M8
31
0007
3
1095.00
◊
244
162
100–175
240–315
250
M8
31
0009
4
1195.00
◊
290
208
145–215
290–360
315
M8
31
0011
5
1595.00
◊
342
260
160–270
330–440
400
M10
31
(301)
Jaw drill-out device for three-jaw chuck
* Light design.
Design: With short-taper DIN 55027, with stud bolt and collar nut.
Chuck body completely
surface-hardened and statically balanced. High stiffness guarantees precision at higher loads
in up to 20 % higher clamping forces. Radial and axial run-out tolerances are twice as accurate
as DIN 69386/I. Highly user-friendly as well as high precision in repeated jaw-changing, with
indicator marks for quick jaw adjustment and appealing shape incl. drop-off edge for water.
Excellent protection against corrosion due to very good lubrication of the highly stressed sliding
surfaces, such as:
• Spindle thread and spindle support surface
• Wedge bars
• Drive ring
• Fulcrum slide
Application:
For lathes. Used with a base plate the stationary key bar chuck is also suitable for
milling machines, indexing devices and machining centres.
Supplied:
With base jaws and reversible adapter jaws as well as safety key.
Order
No.
Size
mm
3090
Inch
Through-hole ∅
mm
D
mm
Max. speed RPM
min
-1
max. torque*
N•m
max. clamping force*
kN
0001
160
1865.00
6.1/4
42
63
5400
120
73
0004
200
2010.00
8
52
81
4600
155
114
0007
250
2630.00
10
62
92
4200
190
185
0010
315
4280.00
◊
12.1/2
87
111
3300
210
240
0013
400
6600.00
◊
15.3/4
102
118
2200
260
260
(302)
Key bar 3-jaw chuck DURO-T
* For preserving precision.
DIN
6350
Form
A
Design: With short-taper DIN 55027, with stud bolt and collar nut.
Chuck body completely
surface-hardened and statically balanced. High stiffness guarantees precision at higher loads
in up to 20 % higher clamping forces. Radial and axial run-out tolerances are twice as accurate
as DIN 69386/I. Highly user-friendly as well as high precision in repeated jaw-changing, with
indicator marks for quick jaw adjustment and appealing shape incl. drop-off edge for water.
Excellent protection against corrosion due to very good lubrication of the highly stressed sliding
surfaces, such as:
Order
No.
Size
mm
3092
Short taper
Through-hole ∅
mm
D
mm
F
mm
Max. speed RPM
min
-1
max. torque*
N•m
max. clamping force*
kN
0001
160
2140.00
◊
4
42
76 85.0
5400
120
73
0004
160
2140.00
5
42
78 104.8
5400
120
73
0007
160
2140.00
◊
6
42
85 133.4
5400
120
73
0010
200
2310.00
5
52
96 104.8
4600
155
114
0013
200
2310.00
6
52
97 133.4
4600
155
114
0016
200
2310.00
◊
8
52
108 171.4
4600
155
114
0019
250
3020.00
6
62
108 133.4
4200
190
185
0022
250
3020.00
8
62
110 171.4
4200
190
185
0025
315
4490.00
◊
6
87
127 133.4
3300
210
240
0028
315
4490.00
8
87
129 171.4
3300
210
240
0031
315
4490.00
11
87
131 235.0
3300
210
240
0034
400
6900.00
◊
8
102
138 171.4
2200
260
260
0037
400
6900.00
◊
11
102
138 235.0
2200
260
260
(302)
Key bar 3-jaw chuck DURO-T
* For preserving precision.
DIN
55027
Form
A
• Spindle thread and spindle support surface
• Wedge bars
• Drive ring
• Fulcrum slide
Application:
For lathes. Used with a base plate the stationary key bar chuck is also suitable for
milling machines, indexing devices and machining centres.
Supplied:
With base jaws and reversible adapter jaws as well as safety key.
F
D
Wedge bars/chuck
548