how to make a jack screw,how to use a jack screw,how to design a screw jack,how does jack screw work,how to operate a screw jack,how to draw screw jack assembly drawings tructure includes worm shaft, worm shaft cover, bronze worm gear, worm shaft bearing, tapered roller bearing, hex.screw, grease seal, grease plug, housing, key, paper shim, fittings and self-locking acme screw.
1. Acme screw rotary cutting processing machine, high precision
2. 40Cr or C45 steel material, customized stainless steel screw
3. Minimum friction for smooth operation and longer life
4. Self-locking, load holding without brake mechanism and locking system, accurate positioning
5. Minimum axial backlash
Tapered Roller Bearing
1. Preloaded for reduced assembly spring rate and high thrust load
2. Provides excellent support for side loading and horizontal applications
3. Maintains exact gear alignment under separating and thrust forces
4. Bearing sized for endurance and maximum loading conditions
Bronze Worm Gear
1. Precison hobbing machine for processing
2. Phosphor bronze 10-1 or Tin bronze ZCuSn10Pb1 10-1 material, high hardness, excellent wear resistance
3. Worm gear center design for long lifeWorm Shaft
1. Worm rotary cutting processing machine and grinding machine processing, high precision
2. High frequency heat treatment of worm, 40Cr or C45 steel material, high hardness, customized stainless steel worm shaft
Rugged Housing
1. CNC precision automatic lathe processing
2. Cast iron or ductile cast iron material, customized alloy steel material
Grease Seals
1. Double lip grease seal, prevent grease leak
Note: normal grease seals work temperature range -20 deg C to +80 deg C. For super low temperature or super high temperature operating temperature, please consult Jacton engineers
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