Enveloping Worm Gear

Precise and powerful custom solutions.
HZPT may be the world innovator in double-enveloping worm gear technology. Cone Drive gear sets can be found in regular sizes and ratios or we are able to 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 Components: Tin + Alum Bronze, Ductile Iron, Steel Lightweight aluminum, Torlon®
Worm Materials: Enveloping Worm Gear Hardened Steel + Nitride, Stainless Steel
Modified output configuration (e.g. keyways, splines)
Custom Design Options: Custom made Center Distance
Particular Ratios: Up to 200:1 single stage; size dependent, Sector gears