General Specifications

All references for lead screws in DINGS have following characteristics.

Lead Screw Material

303 Stainless precision cold rolled steel

Screw Coating

Teflon coating is optional

Standard Screw Accuracy

0.0071 inch/foot (0.18mm/300mm)

Screw Straightness

0.008 inch/foot (0.666mm/Meter), measured as Total Indicated Runout (TIR). All screws are carefully checked for straighness before shipment.

Screw Efficiency

From 35% to 85% dependent on lead. Also depends on the usage of an Anti-Backlash nut with screw. The larger lead, higher efficiency of screw.

Operating Temperature

-20℃ ~ 55℃

Storage Temperature

-20°C to +50°C, Keep in dry.

Screw Backlash

0.01mm~0.1mm, depends on different lead. Anti-Backlash nut should be considered for high bi-directional positioning repeatability.

System Backlash

Includes screw, motor and attached mechanics. This will be the sum of all backlash in customer's motion axes.

Nut Material

Polyacetal or Polybutylene with lubricating additive. Standard is a free-whelling nut (Anti-backlash nut is available)

Wear Life of Screw and Nut

Depends on load, speed, duty cycle and environmental factors but typically it is ≥ 5 Million cycles.