ZA Type Nodular Cast Iron Worm Wheel And Worm Shaft 1.5 Module

ZA Type 1.5 Module Nodular Cast Iron Worm Gear Wheel and Worm Shaft Set

1) Description of worm shaft and worm gear

Worm shaft is a shank haveing at least one complete thread aournd the pitch surface and is the driver

of a worm wheel.

2) Type of Worm shaft and worm gear

a) Cylindrical Worm Gear Pair

Worm gear pair is the name for a meshed worm and worm wheel. An outstanding feature is that it offers

a very large gear ratio in a single mesh. It also provides quiet and smooth action.

However, transmission efficiency is poor.

b) Enveloping Gear Pair

This worm set uses a special worm shape that partially envelops the worm gear as viewed in the direction

of the worm gear axis. Its big advantage over the standard worm is much higher load capacity.

However, the worm gear is very complicated to design and produce.

YIZGEA which is equipped with a full range of machining capabilities to satisfy customer needs.

Our team has extensive experience in precision gearing systems for numerous industries. We have supplied gears for mining equipment, power tools, hydraulic pumps and the rail transit industry.

The feature products are double helical gear and precision spiral bevel gear, equipped with Hofler Rapid and helix grinding machines, Niles ZE and ZP grinding machines and Gleason Phoenix bevel gear grinding machines. This capability allows us to provide quality customs made gears to domestic and overseas markets.