Enveloping Worm Gear

Precise and powerful custom solutions.
HZPT is the world head in double-enveloping worm gear technology. Cone Drive equipment sets are available 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: Hardened Metal + Nitride, Stainless Steel
Modified result configuration (e.g. keyways, splines)
Custom Enveloping Worm Gear Design Options: Custom Center Distance
Special Ratios: Up to 200:1 single stage; size dependent, Sector gears