Precise and powerful custom solutions.
HZPT may be the world innovator in double-enveloping worm equipment technology. Cone Drive gear sets are available in 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 Enveloping Worm Gear Design Options: Custom Center Distance
Special Ratios: Up to 200:1 single stage; size dependent, Sector gears