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 can prepare custom worm equipment 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 Aluminum, Torlon®
Worm Materials: Hardened Steel + Nitride, Stainless Steel
Enveloping Worm Gear Modified output configuration (e.g. keyways, splines)
Custom Design Options: Custom Center Distance
Unique Ratios: Up to 200:1 single stage; size dependent, Sector gears