The model of the nut-screw transmission(NST) ( General machine building )

NST- device for linear displacements with a small step. This device allows you to achieve a large gear ratio (up to 1 micron per 1 revolution of the input shaft).
Linear displacement of the GVP shown in the photo is 0.15 mm per revolution.

Pitch range of various linear gears:
1. Ball Screw Transmission (BST) - step 5 ... 20mm;
2. Roller Screw Transmission (RST) - step 1 ... 5mm;
3. Nut Screw Transmission (NST) - 0.01 ... 1mm pitch;

Watch the video


  • Rated torque: Hm.
  • Gear ratio number:

    SETC Ltd.
    SME Tomsk Electronic Company
    Electroagregat corp.
    LLC «Mechanic-R»
    JSC «Tyazhmash»
    LLC «OKB Aviation Solutions»
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    JSC «KEMZ»
    JSC «Kryminntarm»
    LLC «Oil service»
    LLC «Tech Red Prom»
    LLC «Industrial Park»
    UEC «Aviadvigatel»
    Transputmash Trade Company, JSC
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