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Tool chucks
Tool chucks DIN 69871 SK 30/40/50

Collet type ER ISO 7388-1

AD G 2,5
IK 25000 rpm
40
Application: ƒ Collet no. 23320 D
For clamping tools with straight shank. ƒ Requisite pull studs, no. 23690
Execution: ƒ Suitable ring profile key in standard design for ER
16 no. 23308 216
ƒ Alloyed case-hardening steel with tensile strength A
at core of at least 950 N/mm scope of supply and services:
ƒ Surface nickel-plated to protect against corrosion With clamping nut
and dirt
Clamping Technology
ƒ Precision-ground
Tool holding device SK 40 SK 40 SK 40 SK 40 SK 40 SK 40 SK 40 SK 40
Collet type ER 16 ER 25 ER 32 ER 40 ER 16 ER 25 ER 32 ER 40
ISO 7388-1 7388-1 7388-1 7388-1 7388-1 7388-1 7388-1 7388-1
Form AD AD AD AD AD AD AD AD
Min./max. clamping range 1-10 mm 2-16 mm 2-20 mm 3-26 mm 1-10 mm 2-16 mm 2-20 mm 3-26 mm
Outer Ø D (mm) 32 42 50 63 32 42 50 63
Projection length A (mm) 63 60 70 80 100 100 100 100
Coolant supply Internal axial Internal axial Internal axial Internal axial Internal axial Internal axial Internal axial Internal axial
Concentricity tolerance 0.010 0.010 0.010 0.010 0.010 0.010 0.010 0.010
(mm)
Surface Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated
Balancing quality G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25
324
Ident. No.
321
323
326
313
314
315
311
23300... Unit price, € O. R. O. R. O. R. O. R. O. R. O. R. O. R. O. R.
Tool holding device SK 40 SK 40 SK 40 SK 40
Collet type ER 16 ER 25 ER 32 ER 40
ISO 7388-1 7388-1 7388-1 7388-1
Form AD AD AD AD
Min./max. clamping range 1-10 mm 2-16 mm 2-20 mm 3-26 mm
Outer Ø D (mm) 32 42 50 63
Projection length A (mm) 160 160 160 160
Coolant supply Internal axial Internal axial Internal axial Internal axial
Concentricity tolerance 0.010 0.010 0.010 0.010
(mm)
Surface Nickel-plated Nickel-plated Nickel-plated Nickel-plated
Balancing quality G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25
333
334
335
331
Ident. No.
23300... Unit price, € O. R. O. R. O. R. O. R.
Prod. group 263
Precision collet ISO 7388-1
AD G 2,5 < – 0,003
40 IK 25000 rpm
Application: surfaces are achieved through the optimally ƒ Extremely low system concentricity of < 3 µm
For clamping tools with straight shanks without loss absorbed radial forces with 2 µm collets from Fahrion, HP/HPD 23323,
of concentricity or clamping force up to shank toler- ƒ Precise centring when tightening the clamping nut unsealed and sealed collets up to 80 bar for IC
ance h10, for economic machining of individual and (without sealing disc)
series parts with extremely high-precision machin- Advantage: ƒ Completely surrounded in the chuck cone for
ing results. Ideal for HPC and HSC metal cutting. ƒ Resistant to fluctuations in temperature and fully optimum stability and even distribution of the
suitable for drying processes and hard milling up clamping forces
Execution: to 200 °C ƒ Retention forces are doubled compared to conven-
ƒ 30° trapezoidal thread with polished, extra-long ƒ The strengthening of the chuck body over the tional collets
double guide with special easy glide coating for diameter of the clamping nut creates enormous
lower friction stability with the optimum interference contour scope of supply and services:
ƒ Clamping forces are evenly distributed across Tool holder including chuck. Please order spanner
the entire cylindrical shell surface and perfect separately. A torque wrench is recommended
E
A
G
D
H

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