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  • Acme Screw VS Ball Screw: Which to Choose?
    . Anti-backlash screws and nuts remove that dead band by preloading the nut. Screw assemblies used in the vertical position tend to experience “back driving”; this is when the load overcomes the inertia and friction in the screw assembly causing the nut to rotate down the screw. If your work piece is expensive
  • Selecting and Sizing Ball Screw Drives
    orientation the. load is equal to the payload weight times the frictional coefficient while with a vertical. orientation the load is equal to the weight. The positional requirements determine which. grade of bal screw is suitable for the application. The following table shows the. positional accuracy
  • Keeping ball screws accurate and reliable
    a vertical surface to keep it from sliding. It's relatively simple to determine the lead accuracy of a ball screw before you buy it. Just ask the manufacturer and get a protocol. If you just want to know if a screw is straight and true so you don't have problems
  • Which Screw? Picking the Right Technology
    stiffness and repeatability. Back-driving Force – The linear force or thrust required to. rotate the screw or nut in a reverse fashion. For example,. gravity in a vertical system may have the ability to back-drive. a screw system creating torque and/or linear motion. Rolling – A manufacturing process
  • Medical Device Link .
    reliability. Like the FV105A, the FV102A is a vertical machining center made from Meehanite casting and also includes ball screws attached to servomotors. Both systems have a 24-tool swing arm ATC system that optimizes production flow and efficiency, features a bidirectional random access tool
  • Pick & Place Conveyor System
    Language (EML) PC software creates the following sequence. Conveyor #1 indexes the product to be in alignment with the transfer slide and vertical air cylinder lift/gripper mechanism. The ball screw transfer mechanism moves to a position above a product on conveyor #1. The air cylinder lift
  • Rotary Knife Cut-Off System
    Language (EML) PC software creates the following sequence. Conveyor #1 indexes the product to be in alignment with the transfer slide and vertical air cylinder lift/gripper mechanism. The ball screw transfer mechanism moves to a position above a product on conveyor #1. The air cylinder lift
  • A Quest for Clean Mixing
    , but could be as simple, yet equally important, as improving cleanliness. Below are some ways to lessen the mess and reduce health hazards in your mixing environment, categorized by applications. In a ribbon, paddle or vertical screw blender operation, sealing arrangements are key to keeping clean