Direct Drive CNC Grinding Machine Module

DGH-80 / DGH-80B4

DD Rotating Spindle for Grinding Machine (A-axis)

DGH-80 / DGH-80B4 Model Direct Drive 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.
  • It can be used with any controller and specialized for processing indexing manufacture.
  • Min. indexing degree: 0.001 degrees.
  • The installation of an encoder is dependent upon its accuracy requirement.
Specifications DGH-80-XXXX DGH-80B4-XXXX
Use Method Vertical use
Cooling Circuit Reserve yes
Spindle through hole diameter φ30 mm
Faceplate Centre Hole Diameter φ70x11 mm BT-40
Centre Height 150 mm
Max. Speed 500rpm/30min
continuous r.p.m 100 rpm
Max. Rated current (1sec) 6A / cooling 10A
Cont. Rated current 2A / cooling 4A
Max. Rated torque (1sec) 84Nm / cooling 140Nm
Cont. Rated torque 28Nm / cooling 56Nm
Min. Increment Unit 0.001°
Net Weight (Without Tool Clamp Device)  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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