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Articles marked ◊ are not held in stock, procurement is effected at short notice.
Clamping
Systems
3
Order
No.
Clamping
range
mm
3528
BT
A
mm
l
1
mm
d
1
mm
0101
1–16
219.00
40 88 100 50
(W324)
CNC short drill chuck
Design: JIS B 6339 (MAS-BT), Form AD
. Short design, guide
elements of rigid design, hardened and ground wear parts ensure high
concentricity and long life. 100 % concentricity test with different plug
gauge diameters at various measuring points, based on DIN ISO 10888.
Compact design and high rigidity result in best machining results.
High clamping forces are reached by the integrated worm gear at low
effort,
Holding torque > 75 Nm at 13 mm diameter.
Machining is safe
thanks to automatic blocking of the worm gear even when running anti-
clockwise and quickly decelerated spindle.
Taper angle: Tolerance AT3.
Taper surface roughness: Ra < 0.001 mm.
Balancing quality: G2.5 20000 min
-1
.
Concentricity: 0.03 mm.
Application:
For drilling, countersinking, reaming, thread cutting and
for simple finishing milling work. Can be used in machining centres,
turning, drilling and milling machines.
Order
No.
Clamping
range
mm
3486
BT
l
1
mm
l
2
mm
d
1
mm
d
2
mm
0001
0.5–10
279.00
40 77 38 38 45
0007
1 –16
255.90
40 88 – 50 –
0009
1 –16
321.60
50 99 – 50 –
(W318)
CNC precision short drill chuck AKL for clockwise and anti-clockwise rotation
Design: JIS B 6339 (MAS-BT), Form AD/B,
made of 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 according to DIN 254.
Short
design with central coolant supply,
chuck and shank in one piece.
Clamping (using a hex spanner) essentially increases clamping force
in comparison to conventional chucks. At the same time, this secures
the chuck against becoming loose during left-handed rotation or being
quickly decelerated from higher speeds. Sealing disc in chuck for inner
coolant drills.
Taper angle: Tolerance AT3.
Taper surface roughness: Ra < 0.001 mm.
Balancing quality: G6.3 25000 min
-1
.
Concentricity: 0.02 mm.
Hardened 58 ±2 HRC.
Application:
To nest tools with a cylindrical shank with internal cooling.
Order
No.
Clamping
range
mm
3529
BT 40
3530
BT 50
d
2
mm
l
1
mm
3529 3530
0002
0.3– 8
319.00
–
36 81 –
0005
0.5–13
296.00
354.50
50 98 110
0010
2.5–16
308.50
369.00
57 98 110
(W325)
(W325)
CNC precision short drill chuck for clockwise and anti-clockwise rotation
Scope of delivery:
Short drill chuck with hex spanner.
Scope of delivery:
Short drill chuck with hex spanner.
Note:
Higher speeds possible with special balancing. Also available as
ULTRA design (concentricity ≤ 0.015 mm).
B
JIS
6339
MAS/BT
Form
AD
≤ 30 µm
B
JIS
6339
MAS/BT
Form
AD
≤ 30 µm
B
JIS
6339
MAS/BT
Form
AD/B
≤ 20 µm
Design:
Short design, guide elements of rigid design, hardened and
ground wear parts ensure high concentricity and long life. Compact
design and high rigidity lead to the best machining results.
High clamping forces are reached by the integrated worm gear at low
effort,
Holding torque > 75 Nm at 13 mm diameter.
Machining
is safe thanks to automatic blocking of the worm gear even when
running anti-clockwise and quickly decelerated spindle.
Taper angle: Tolerance AT3.
Taper surface roughness: Ra < 0.001 mm.
Balancing quality: pre-balanced up to 7000 min
-1
at a residual
imbalance of max. 40 gmm.
Concentricity: < 0.03 mm.
Max. permissible speed: 7000 min
-1
.
Application:
For drilling, countersinking, reaming, thread cutting and
for simple finishing milling work. Can be used in machining centres,
turning, drilling and milling machines.
d
2
d
1
l
1
l
2
(
S
G
Tool holders
585