. Worms & Wormwheels

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Worms & Wormwheels

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Range Features

  • 0.5-6.0 MOD
  • Steel EN8M, (226M44/080M40/080M46) or equivalent
  • Bronze, PB1/PB2 or equivalent
  • Cast Iron – grade GG20
  • Intermediate sizes and special worms and wormwheels to drawing

FAQs

What is a Worm and Wormwheel?

A Worm is a shank which drives a Wormwheel via at least one complete tooth (thread). The Wormwheel is set at 90 degrees to the Worm.

What does a Worm and Wormwheel look like?

The Worm is designed in the style of a screw and meshes with the Wormwheel, whose teeth are cut on an angle.

How does a Worm and Wormwheel work?

The Worm Screw meshes with and drives the Wormwheel’s teeth at 90 degrees, to transfer rotational movement and power. Worms and Worm Wheels are supplied in left hand and right hand variants.

What does a Worm and Wormwheel do?

The Worm transfers motion between two rotating shafts, intersecting at 90 degrees and can also reduce or increase rotational speed.

Where is a Worm and Wormwheel used?

Machine tools, electric motors,rolling mills, presses, tuning of musical instruments, hose clamps.

Good to know about Worms and Wormwheels?

Worms and Wormwheels are quiet and smooth in operation and offer reductions in size benefits over similar drives using Spur Gears. Larger reduction ratios e.g. with a single start worm, can limit the ability of the Wormwheel to reverse the direction of power transmission. This kind of arrangement is called ‘self-locking’.

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