Enveloping Worm Gear

Precise and powerful custom made solutions.
HZPT is the world head in double-enveloping worm gear technology. Cone Drive gear sets are available in standard sizes and Enveloping Worm Gear Ratios or we are able to prepare custom worm gear sets to any specs.
Key Features
Sizes: 1.5” through 52” CD
Standard Ratios: 5:1 – 70:1
Backlash: Standard / Low / Zero
Gear Materials: Tin + Alum Bronze, Ductile Iron, Steel Light weight aluminum, Torlon®
Worm Materials: Hardened Steel + Nitride, Stainless Steel
Modified result configuration (e.g. keyways, splines)
Custom Design Options: Custom made Center Distance
Particular Ratios: Up to 200:1 single stage; size dependent, Sector gears