WORM WHEELS

We make these worm-wheel sets ourselves, to order. The worm wheels can be made of either aluminium alloy or brass. The teeth are cut at 20 teeth per inch (about 8 teeth per cm), so a 6” diameter wheel would have about 380 teeth. Each wheel is ½” thick and the central boss is 1½” thick. We bore the boss to accept 1" shafts, but it can be bored to accept other shaft sizes at an extra charge.

The worm that causes the worm-wheel to rotate is mounted in shielded ball races, held in a sturdy aluminium alloy bracket. One end of the worm is fitted with a chunky black plastic knob, the other end is reduced to ¼” diameter to receive a flexible drive shaft.
Telephone us if you require further details.