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ER20 BT-DC40x100 Illustration similar

ER20 BT-DC40x100

ER Collet Chucks

ID 1428119

ER20 BT-DC40x100, Toolholders
  • ER Collet Chucks
  • Series: ER Collet Chucks
  • Dual Contact variant
  • Toolholder interface: BT-DC 40
  • Projecting length: 100 mm
  • Run-out accuracy: ≤ 0.008 mm at 2.5 x D
  • Balancing grade: G2.5 at 25,000 RPM or Umax < 1 gmm
Scope of delivery: Includes clamping nut
Technology ER Collet Chucks
Series ER Collet Chucks
Toolholder interface BT-DC 40
ER clamping size ER 20
Min. clamping diameter D1 [mm] 1
Max. clamping diameter D1 [mm] 16
D2 [mm] 34
D3 [mm] 34
Projecting length L1 [mm] 100
L4 [mm] 19
L5 [mm] 73
G M18x1.5
Weight [kg] 1.4

Run-out accuracy
≤ 0.008 mm at 2.5 x D

Balancing grade
G2.5 at 25,000 RPM or Umax < 1 gmm

Data Carrier
Bore for data carrier as an option

Toolholder changes
For automatic toolholder changes

Coolant supply
Coolant supply according to ISO 7388 JD/JF
Bores for form JF are sealed for transport

Face contact
Similar to DIN ISO 7388-2 JD/JF however with face contact
Dual Contact version with simultaneous tapered and flat work surfaces

Length adjustment screw
With thread for an adjustment screw for axial length adjustment, but without adjustment screw

Scope of delivery
Includes clamping nut

Individual
Additional sizes and customized designs are available upon request