Precise and powerful custom made solutions.
HZPT may be the world leader in double-enveloping worm 
equipment technology. Cone Drive gear sets are available in Enveloping Worm Gear Standard 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 Components: Tin + Alum Bronze, Ductile Iron, Steel Aluminium, Torlon®
Worm Materials: Hardened Metal + Nitride, STAINLESS
Modified output configuration (e.g. keyways, splines)
Custom Design Options: Custom Center Distance
Special Ratios: Up to 200:1 one stage; size dependent, Sector gears