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Screw Jacks,Gearboxes,Actuators,Lifting Systems Manufacturers


100kN 24V DC Motorized Screw Jack and RV075 worm gear reducer

100kN Upright DC Motorized Screw Jack: Worm gear screw jack with maximum static load capacity 100kN, self locking ACME screw 50mm diameter, pitch 10mm, stroke 50 mm, gear ratio 24:1 (1rpm input travel length 0.42mm), upright type jack, translating screw design, threads end, left motor flange and right shaft. 0.7KW 24V DC motor and RV075 worm gear reducer 15:1 ratio . And attached protective tube, limit switches.

Electric screw jack can also be called Motorized screw jack, which includes a worm gear screw jack and an electric motor. The Electric screw jack actuator is a basis jack-up part, accomplish the functions such as lifting, drop, push and inverting through worm gear drives screw, because it is driven by electric motor, it has higher efficiency than manual screw jack. There are two types worm gear screw jack for motorized screw jacks, they are self-locking machine screw jack or high precision ball screw jack. The motor can be a high-precision servomotor, stepping motor, geared motor, worm gear reducer, bevel helical gearmotor, worm helical gearmotor, three-phase motor, or single phase motor, and 12v, 24v, 48v Brush or Brushless DC motors and DC gear motors, etc. Note: If it is a electric ball screw jack, a brake motor or an external locking device is required to maintain the position. Electric screw jacks offer the most economic solutions for a wide range of industrial applications and the load capacity up to 100-ton as standard.
Three Structures (Connection) for Electric Screw Jack:
* Structures 1 (Foot Mounted): input shafts(worm), coupling, and B3 foot mount motor.
* Structures 2 (Flange Mounted): screw jack with motor flange, and B5, B14, or NEMA flange motor. 
* Structures 3 (Flange Mounted): screw jack with motor flange, coupling, and B5, B14, or NEMA flange motor. 
Electric Screw Jack Accessories:
* Motorized driven (AC or DC) by asynchronous motors (normal, YEJ brake, YVP variable frequency, B explosion proof, D multi-speed), stepper motors, servo motors with encoders and controllers. IEC motor flange or NEMA C-Face motor adapter for connect with motors. Frequency inverters. 
* Connection Devices: Couplings. Universal joints. Telescopic universal joints. Connecting shafts.  
* Screw Protective Devices: Bellows boot. Telescopic spring covers. Protective tubes. 
* Safety Devices: Limit switches. Proximity switches. Safety nuts. Anti-backlash nut. Overload safety couplings. Stop nuts. Position Encoders. Overload clutch. Brake motor. Linear braking elements. Wear detection/monitors. Linear guides and rails. Potentiometer. Pressure sensor. 
* Others Accessories: Travel nuts. Position indicators. Trunnion adapter plates. Trunnion mounting brackets. Pillow blocks. Flange blocks. Rod end bearings.