Enveloping Worm Gear

Precise and powerful custom solutions.
HZPT is the world leader in double-enveloping worm gear technology. Cone Drive gear sets are available in regular sizes and 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 Components: Tin + Alum Bronze, Ductile Iron, Steel Lightweight aluminum, Torlon®
Worm Materials: Hardened Steel + Nitride, Stainless Steel
Modified output configuration (e.g. keyways, splines)
Custom Design Options: Custom Center Distance
Unique Ratios: Up to 200:1 one stage; size dependent, Sector gears