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JWM series screw jack

JWM series screw jack

JWM type (trapezoidal screw type) is suitable for low speed and low frequency applications. Its main components are: precision trapezoidal screw pair and high-precision worm gear pair.

Economical price, compact structure, simple operation and convenient maintenance.

Low speed and low frequency: mainly used in places with large load, low speed and where frequent work is not required.

Maintain the load: The trapezoidal screw has an automatic locking function and can maintain the load even without a braking device.

Introduction

Specification Table

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The SWL series worm gear screw lift is a basic lifting component widely used in various industries such as machinery, metallurgy, construction, chemical, medical, etc. The following is a detailed introduction to the SWL series worm gear screw elevator:

1、 Product Overview

The SWL series worm gear screw elevator consists of a worm gear reducer and a lifting screw. The worm gear is driven by a worm drive to decelerate and rotate, which in turn drives the screw to move up and down, achieving the lifting function. This product complies with the JB/T8809-1998 (formerly JB/ZO4391-86) standard and has many advantages such as compact structure, small volume, light weight, wide power source, no noise, easy installation, flexible use, multiple functions, multiple supporting forms, high reliability, and long service life.

2、 Technical parameters

Carrying capacity: 2-120 tons

Maximum input speed: 1500r/min

Maximum lifting speed: 2.7m/min

Transmission speed ratio: Common ones include 6, 8, 12, 24, etc

Input power: 0.37KW-15KW

Gearbox specification numbers: including multiple specifications such as 0.5T, 1T, 2.5T, 5T, 10T, 15T, 20T, 25T, 35T, 50T, 75T, 100T, etc

3、 Structural form and assembly method

The SWL series worm gear screw elevator has multiple structural forms and assembly methods to meet the needs of different users. Its structural form is mainly divided into:

Type 1: The screw performs both rotational and axial movements simultaneously.

Type 2: The screw rotates and the nut moves axially.

The assembly forms are divided into:

Type A: The screw or nut moves upwards.

Type B: The screw or nut moves downwards.

In addition, there are various types of screw head forms, such as cylindrical, flange, threaded, and flat head.

4、 Functional Features

Self locking function: Due to the special structure of the worm gear, SWL series worm screw elevators generally have self-locking function in a stationary state, which can effectively prevent heavy objects from sliding down.

Multifunctionality: This elevator not only has lifting and lowering functions, but also can be propelled, flipped, and adjusted in various height positions with the help of accessories.

Flexible use: The SWL series worm gear screw lift can be used individually or in combination, and can accurately control and adjust the height of lifting or propulsion according to a certain program. It can be directly driven by an electric motor or other power source, or manually operated.

5、 Precautions for use

Confirm load capacity: Before use, choose the appropriate model and specifications of the machine according to actual needs, and be careful not to overload it.

Reasonably set up safety devices: Safety devices such as height limiters and limit switches should be set up according to the actual situation to ensure the safety of operation.

Regular inspection and maintenance: The lubrication condition of the equipment, the tension of the chain, and the wear or damage of each component should be checked regularly, and the parts should be repaired and replaced in a timely manner to ensure their normal operation.

In summary, the SWL series worm gear screw elevator plays an important role in industrial production due to its superior performance and wide range of applications.




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