Direct Drive CNC Grinding Machine Module

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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.

DGH-80B4-Through hole

DGH-80-Through hole

Unit: mm

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