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          General Specifications

           

          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 straightness 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.
          Note

          DINGS' Linear systems are manufactured from high quality materials. Because of variable effects of friction, lubrication and cleanliness, exact life cycle can not be predicted.

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