Features AR COLLET

COLLET COLLAPSING RANGE
Each collet has 1.0mm grasp range.

Proviso:
型式
CODE
把握範囲
grasp range
AR16-φ1
AR20-φ1
AR25-φ1
0.5mm
AR8-φ0.5 0.2mm
AR50 2mm

CONCENTRICITY OR TEST BAR RUNOUT (TIR)
ALPSTOOL always challenges to achieve higher accuracy through 35 years of experience.
We supply collets with the stable quality under the system of ISO9001.
Nominal dia

D1

L
TIR accuracy
AR8~AR40 AR50 AAA級 AA級 S級
1~1.5 4×D1 4×D1 (3)μ (5)μ 10μ
2~5.5
6~10 25
11~26 40
28~34 60 - - 20μ
芯振れ精度 CONCENTRICITY OR TEST BAR RUNOUT (TIR)

REMOVAL AND MOUNTING OF COLLET
Exchange of a collet is easy and exact.
チャックコレット脱着方法 REMOVAL AND MOUNTING OF COLLET
Collet can be removed from Nut by inclining collet when Groove of collet is hooked on the smallest eccentricity section of Thrust Ring of Nut.
Top face of Collet and Nut have been re-designed to flat. Therefore, cutting chip flow can be much improved and also cutting edge can be held with minimum overhang.

BEST TORQUE OF NUT CLAMPING
AR Collet Holder Best torque of nut clamping.
Disignation
Torque
N・m (kgf・m)
AR 8 9.8 (1.0)
AR11 19.6 (2.0)
AR16 39.2 (4.0)
AR20 58.8 (6.0)
AR25
AR32 68.6 (7.0)
AR40 78.4 (8.0)
AR50 137.2 (14.0)
Caution:Excessive torque will damage a holder, nut, or collet.

SPECIFICATIONS OF STANDARD COLLET HOLDER
ホルダ規格 SPECIFICATIONS OF STANDARD COLLET HOLDER
CODE D1 D2 M1
ISO 4h
M2 min
L1
min
L2
適用するコレット
Collet to be used
○-ECH5S-○ 8 5.2 M10×0.75 - 5.2 - AR 8
○-ECH 7-○ 11 8.2 M14×0.75 M 8×1.0 8 15 AR11
○-ECH10-○ 16 11.2 M22×1.5 M11×1.0 13 23 AR16
○-ECH13-○ 20 14.2 M25×1.5 M14×1.0 14 26 AR20
○-ECH16-○ 25 18.3 M32×1.5 M18×1.5 15 30 AR25
○-ECH20-○ 32 24.3 M40×1.5 M24×1.5 16 34 AR32
○-ECH26-○ 40 31 M50×1.5 M28×1.5 16 38 AR40
○-ECH34-○ 50 38 M64×2 - 24 - AR50
Remarks
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