RF45 belt drive conversion plans

$25.00

Dimensioned drawings, 3D models (.step format, others available on request), bill of materials, and instructions for a belt drive conversion of RF45 type mills.

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Description

Dimensioned drawings, 3D models (.step format, others available on request), bill of materials, and instructions for a belt drive conversion of RF45 type mills. Based on Precision Matthews PM-940CNC mill with a 1.5:1 ratio between drive and spindle pulleys.

BOM includes manufacturer, part numbers, and cost for:

  • Best value new 3 HP motor and VFD, as well as instructions for sourcing a used motor.
  • Three potential pulley setups (one made, two purchased).
  • Spindle angular contact bearings for increased speed.

Instructions include:

  • Machining of pulleys, mounting plates, and rails.
  • Assembly and mounting of new motor onto mill head.
  • Installing VFD with DC braking resistor (including wiring diagrams and VFD settings).
  • Mounting new spindle bearings in qquill.

Includes Solidworks, .step and .pdf files of:

  • Motor pulley.
  • Spindle pulley (two versions).
  • Motor mounting plates and rails.
  • Mill head with top plate removed.

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