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3
Clamping
Systems
Design: DIN 69871, form AD/B,
from alloy case-hardened steel, with
a core tensile strength of approx. 950 N/mm
2
and a hardness depth
of min 0.5 mm. Taper to DIN 254. Hardened according to 60–2 HRC.
All functional surfaces machined.
Taper angle: Tolerance AT3.
Taper surface roughness: Ra < 0.001 mm.
Concentricity: < 0.003 mm.
Application:
For clamping tools with cylindrical shank in collets
according to DIN 6499.
Supplied:
Collet chuck complete with clamping nut (finely balanced,
with slide coating for increased clamping force).
Note:
Dimension I
2
specifies the maximum insertion depth for tools.
Order
No.
Clamping
range
mm
3224
3225
Collet
l
2
mm
l
1
mm
dia. d
2
mm
0001
0.5–10.0
75.00 117.00
ER16 ** 70 28
0004
0.5–10.0
78.00 137.00
ER16 ** 100 28
0007
0.5–10.0
95.00 164.00
ER16 ** 160 28
0010
1.0–16.0
75.00 130.00
ER25 62 70 42
0013
1.0–16.0
89.00 137.00
ER25 57 100 42
0016
1.0–16.0
123.00 164.00
ER25 57 160 42
(394)
(394)
Order
No.
Clamping
range
mm
3224
3225
Collet
l
2
mm
l
1
mm
dia. d
2
mm
0019
1.5–20.0
75.00 130.00
ER32 64 70 50
0022
1.5–20.0
91.00 137.00
ER32 64 100 50
0023
1.5–20.0
129.00 164.00
ER32 64 160 50
0025
2.5–26.0
85.00 141.00
ER40 73 70 63
0028
2.5–26.0
105.00 150.00
ER40 73 100 63
0031
2.5–26.0
141.00 176.00
ER40 73 160 63
(394)
(394)
Precision collet chuck Type ER
** Drilled through.
DIN
69871
Form
AD/B
3224
SK 40, Balancing quality: G2.5 22000 min
-1
.
3225
SK 50, Balancing quality: G2.5 22000 min
-1
.
Design: DIN 69871, form A,
precision balanced. From alloy case-
hardened steel, with a core tensile strength of min. approx. 950 N/mm
2
and a hardness depth of min. 0.5 mm. Taper to DIN 238. Hardened
60–2 HRC. All functional surfaces machined.
Taper tolerance: AT3.
Balancing quality: G6.3 8000 min
-1
.
Application:
For mounting drill chucks.
Order
No.
Chuck taper
3211
SK
l
1
mm
0100
B 16
61.00
40
26
0150
B 16
99.00
50
26
(394)
Precision drill chuck mounting
DIN
69871
Form
A
Design: DIN 69871, form A,
precision balanced. From alloy case-
hardened steel, with a core tensile strength of approx. 950 N/mm
2
and
a hardness depth of min. 0.5 mm. Hardened 60–2 HRC. All functional
surfaces machined.
Taper tolerance: AT3.
Balancing quality: G6.3 8000 min
-1
.
Application:
For mounting steep taper tools according to DIN 69871
(Form AD, SK 40) and JIS B 6339 (BT 40).
Order
No.
SK outside/inside
3211
l
1
mm
D
1
mm
0200
50/40
249.00
43
78
(394)
Precision reduction sleeve
DIN
69871
Form
AD
** Drilled through.
Tool holders and accessories
Not all items are available in every country.
577