Product Spotlight: Ball/leadscrews

Jan. 1, 2008
Leadscrews Non-ball leadscrews can self-lock and prevent back driving, without an external brake, unlike traditional ballscrews for vertical applications.

Leadscrews

Non-ball leadscrews can self-lock and prevent back driving, without an external brake, unlike traditional ballscrews for vertical applications.

Features & benefits

  • Sliding friction between nut and screw converts rotary input motion to linear output motion, for accuracy comparable to ground ballscrews
  • No need for hardening; easily machined
  • Proprietary coating eliminates need for external lubrication and maintenance
  • Manufactured from 303 stainless steel with precision rolling process
  • Standard diameters from ⅛ to 15/16 in.; standard leads from 0.02 to 3 in.

Kerk Motion Products Inc.
(603) 465-7227
www.kerkmotion.com
Circle 153

Ballscrews

Long-lead ballscrews with a rotating nut design provide precise positioning and serve as compact, ready-to-use, and easily integrated solutions for linear-actuation applications requiring high speeds, low noise, and long strokes.

Features & benefits

  • Design allows drive motor to move with the nut to reduce inertia, require less power, and achieve linear speeds to 110 m/min.

  • Integrated nut minimizes inertia and critical-speed problems

  • Series SLT features nut with axial play; series BLT offers backlash elimination

  • Diameters range from 25 to 50 mm; leads range from 20 to 50 mm

  • Options include double protection wipers and brush wipers in cylindrical and flanged nut configurations and long-lead screws

SKF USA Inc.
(800) 541-3624
www.linearmotion.skf.com

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