Chuck type: Standard ER32 collet 3~20mm (Hollow shaft)
11 pcs complete set ER32 collet:
(3mm,4mm,5mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm)
Center height: 65MM
Hollow shaft diameter: 21MM
Angle: 0.3 degree / step
Reduction ratio: 6:1 (synchronous belt deceleration mode)
Step motor: 57 phase stepper motor (two-phase 4 wire current 3A )
Size: length 180MM* width 168MM*115MM
Motor: 500RPM;
Axis: 80RPM.
Stepper moter specifications:
Step angle: 1.8°±5%
Voltage: 4.2V
Phase NO: 2
Current: 3.0A
Insulation resistance: 100MOhm(500V DC)
Inductance: 3.5±20 mH
insulation class:B
Resistance:1.4±10 Ω
holding torque:18kg.cm