Direct Drive CNC Grinding Machine Module

DGH-80 / DGH-80B4

DD Rotating Spindle for grinding machine (A-axis)

DGH-80 / DGH-80B4 DD Rotating Spindle for grinding machine (A-axis)

  • Information
  • Specification
  • Dimension
  • DD Motor Drive, No backlash.
  • High Speed, 90-degree division time less than 1 second.
  • Can be used with any controller and specialized for processing indexing manufacture.
  • Min. indexing degree: 0.001 degree.
  • The installation of encoder is dependent upon its accuracy requirement.
Specifications DGH-80 DGH-80B4
Use Method Vertical use
Cooling Circuit Reserve no / yes
Clamp Method -
Faceplate Dimension -
Spindle through hole diameter φ30 mm
Faceplate Centre Hole Diameter φ70x11 mm BT-40
Centre Height 150 mm
Solenoid & Detection Need to be connected
Max. Speed 500 rpm
continuous r.p.m 100 rpm
Max. Rated current (1sec) 6A / 10A
Cont. Rated current 2A / 4A
Max. Rated torque (1sec) 84Nm / 140Nm
Cont. Rated torque 28Nm / 56Nm
Min. Increment Unit 0.001°
Clamp Force -
Net Weight (Without motor)  50 kgs
  • 1. The cooling machine is provided by the customer.
    2. When rotary spindle match with rotary table, the connection plate should be prepared by customer.

Encoder Specification:

Specifications code Label Communication protocol Resolution Indexing Accuracy Repeatability
NNK3 NIKON NIKON Serial abs interface 22bit ±20 (Arc. Sec.) Within 15 Arc.Sec.
HE12 Heidenhain EnDAT 2.2/22 25bit ±25 (Arc. Sec.) Within 10 Arc.Sec.
HEA2 Heidenhain EnDAT 2.2/22 27bit ±20 (Arc. Sec.) Within 10 Arc.Sec.
RBGD Ranishaw  Biss-C  26bit ±20 (Arc. Sec.) Within 10 Arc.Sec.
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