Double Rack Lifter
Oct 27,2025
What it is:
A dual-rack system paired with gears/cams that converts rotary or cam motion into smooth, precise linear movement, used for driving lifters/slides.
Typical applications:
Long-stroke or synchronized multi-point slides; critical for large automotive parts, long slides, or complex molded components.
What it solves:
Provides smooth, evenly distributed linear motion with low backlash, preventing twisting or jamming; ideal for large slides or multi-slide linkage.
Common materials:
Precision ground alloy steel, hardened and tooth-ground; assembly emphasizes engagement accuracy and preload; surface may be black oxide or nickel-plated for corrosion resistance.
Common issues & maintenance:
Tooth wear, insufficient lubrication causing noise or backlash; multi-point desynchronization due to installation error.
Selection tips:
For high precision, choose high-modulus ground racks with proper support; design lubrication channels and dust protection.
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