Enveloping Worm Gear

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