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In this edition David from PRM-Taiwan gives an introduction to gearbox manufacturers.
Gearboxes and gear reducers are used in many different fields and all types of machinery, from your average family car, to construction, mining and of course plastic and rubber machinery. The main purpose of a gearbox is to transmit and control the energy from one part of the machine to another, the other main purpose of the gearbox is to change the direction from clockwise to anti-clockwise or vice versa. In plastic and rubber machinery, gearboxes are vital components in various products, such as: injection molding machines, extrusion machinery, printing machines, blow molding machines, recycling machines and many more.
For gear reducers the purpose is to convert the speed of the rotation into torque, so that greater loads can be moved.
Helical gears, this are the basis for the planetary gearbox setup, named as such because the smaller gears seem to be orbiting the major gear in the centre much like the sun and planets. The teeth are angled in order to reduce the amount of noise when connecting, so are more suitable for high speed operations.
Worm gears look more like a screw and has the benefit of being able to transfer motion in 90 degrees. The other advantages to worm gears are that they are able to process a higher torque/low speed ratio and self-lock, but they are also more prone to slipping in comparison to planetary gears.
Some of our gearbox/gear reducer manufacturing partners:
Focusing mainly on extruder gearboxes use the best imported processing equipment to make their gearboxes. All of their products meet AGMA/JISO/DIN4 standards and use computer analysis to ensure their equipment has low noise, high torque and high quality.
Gearboxes Section in PRM-Taiwan: http://prm-taiwan.com/classify/Gearbox.html