Linear Axis Drives

Preloaded Rack & Pinion Drive Systems
For axis drive applications requiring high accuracy positioning on CNC machine tools, these systems effectively eliminates the backlash between the rack & pinion by using two pinions – one to drive the axis and one to preload the axis to eliminate the backlash.  Eliminating the system backlash preserves accurate axis positioning during the transition period between acceleration/steady state and deceleration, when the rack & pinion flank contact and load reverses direction. 

• DualDRIVE (Mechanical Preload)
• TwinDRIVE (Electrical Preload)

Precision Rack & Pinion Drives
This complete line of standard helical & straight tooth racks & pinions is available in nine standard sizes in modules up to 10.0. This gearing comes in four different qualities (hardened, unhardened, quenched & tempered, hardened & ground) which correspond to AGMA quality levels 8 through 12. Typical delivery on these standard components is 2 - 3 weeks. This is very advantageous for machine builders who require precise gearing, but can not afford to wait the long lead times necessary for special gearing. Special design requirements are welcome as well. Typical applications include high-speed axis drives, positioning systems, traveling gantries, machining centers, etc.