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Section 2: Rack & Pinion Drive Installation

Standard_RP_002

Note

Installation is shown using Avid CNC extended linear carriages and gear rack.

2.1 Drive Installation

2.1.1

Standard_RP_017

  • Attach an R&P Assembly to the linear carriage as indicated.

2.1.2

Standard_RP_018

  • Install R&P Tensioner Bracket and Tension Post as indicated.
  • Partially tighten fasteners.

2.1.3

Standard_RP_019

  • Install tensioner screw as indicated and hand tighten.
  • Tighten R&P Tension Bracket M8 x 10mm fastener.

2.1.4

Standard_RP_020

  • Partially remove the tension screw as indicated.
  • Tighten R&P Tension Post fastener indicated by the red arrow.

2.1.5

Standard_RP_021

  • Hand tighten tension screw until finger tight.
  • Set initial R&P tension by tightening tension bolt three additional turns.

2.2 Mach4 Settings

The base resolution of the system is 190.986 steps per inch with a 200 steps per revolution stepper motor. Multiply this by however many microsteps your drive has. For example, with a G540 (10x microstepper), your resolution would be 1909.86 steps per inch.