Double Enveloping Worm
2.Processing Techniques:Cutting,hobbing,milling,grinding
3.Heat Treatment:Carburising,quenching and tempering,induction hardening
4.Material:45#steel,20CrMnTi,40CrNiMo,SAE4340,42CrMo,AISI4140,18CrNiMo7,17CrNiMo6,20CrNiMo,AISI8620,20CrNi2Mo,SAE4320
5.Toothed Surface Finishing:Yes
6.Precision Grade:ISO 8-9 Grade
7.Load Capacity:Strong
8.Applications:Elevator traction machines,lifting equipment,machine tool indexing mechanisms,automated production line reducers
- Product Description
Double Enveloping Worm - High-Precision Power Transmission Solutions
Henan Yizhi Machinery's Double Enveloping Worm speaks to cutting-edge globoidal adapting innovation outlined for enterprise-level applications requesting remarkable accuracy and unwavering quality. Our progressed fabricating framework conveys multi-tooth engagement with 3-11 teeth in persistent work, accomplishing ISO 8-9 review accuracy and 58-62 HRC surface hardness. With 15 a long time of generation skill, we ensure 35-60 day conveyance timelines whereas keeping up transport harm rates underneath 0.1% through our specialized bundling solutions.

What Makes Our Double Enveloping Worm Special?
Unlike conventional round and hollow worm gears, our hourglass-shaped plan makes region contact or maybe than line contact. This one of a kind geometry permits numerous teeth to lock in at the same time, dispersing stack over a bigger surface range. The result? You get 300% higher torque capacity in the same footprint.
Your applications advantage from diminished contact push and made strides stack conveyance. This interprets to longer benefit life and more solid operation in requesting mechanical environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Number of Teeth | Customized |
| Module Range | 1-50 |
| Profile Type | Cylindrical Worm Gear |
| Surface Hardness | 58-62 HRC |
| Precision Grade | ISO 8-9 Grade |
| Load Capacity | Strong |
| Processing Techniques | Cutting, Hobbing, Milling, Grinding |
| Heat Treatment | Carburising, Quenching & Tempering, Induction Hardening |
Available Materials
We offer a comprehensive run of high-grade materials to coordinate your particular requirements:
- Carbon Steels: 45# steel
- Alloy Steels: 20CrMnTi, 40CrNiMo, 42CrMo, 20CrNiMo, 20CrNi2Mo
- International Standards: SAE4340, AISI4140, AISI8620, SAE4320
- Premium Alloys: 18CrNiMo7, 17CrNiMo6
Each fabric experiences thorough warm treatment forms to guarantee ideal execution characteristics for your application.
Key Advantages
Superior Load Handling
Our Double Enveloping Worm plan offers uncommon stun stack resistance. The multi-tooth engagement disseminates strengths successfully, making it idealize for heavy-duty applications where standard gears would fail.
Compact High-Ratio Design
You can accomplish transmission proportions up to 100:1 in a strikingly compact bundle. This space-saving plan is perfect when you require tall torque lessening without compromising on establishment space.
Self-Locking Capability
The characteristic self-locking include gives extra security in your frameworks. This dispenses with the require for outside brakes in numerous applications, streamlining your by and large design.
Smooth, Quiet Operation
The sliding contact between surfaces makes uncommonly smooth control transmission with negligible clamor. Your gear works more unobtrusively, contributing to way better working environments.
Flexible Manufacturing
We oblige both expansive generation runs and single-item custom orders. This adaptability guarantees you get precisely what you require, when you require it.
Primary Applications
Elevator Systems
In lift footing machines, our gears give the exact control and security highlights required for traveler transportation. The self-locking capability includes an additional layer of security.
Industrial Lifting Equipment
Heavy lifting applications advantage from the tall stack capacity and stun resistance. Your gear handles requesting loads with certainty and reliability.
Machine Tool Indexing
Precision ordering components require correct situating with negligible backfire. Our product gears provide the exactness your machining operations demand.
Automated Production Lines
In reducer applications for computerized frameworks, reliable execution and long benefit life decrease support prerequisites and increment productivity.
Quality Assurance Process
Our standardized workflow guarantees reliable quality:
- Requirement Examination - We work with you to get it your particular needs
- Design Advancement - Custom designing drawings for your application
- Precision Fabricating - Progressed CNC machining and crushing processes
- Quality Assessment - Comprehensive testing to confirm all specifications
- Protective Bundling - Specialized bundling to anticipate transport damage
- Reliable Transportation - Multi-channel coordinations with real-time tracking
Manufacturing Excellence
Our office highlights all inclusive driving exactness hardware counting high-precision CNC adapt machining centers and completely computerized crushing machines. This progressed setup guarantees we meet the most requesting quality necessities consistently.
Every Double Enveloping Worm experiences thorough quality review utilizing high-accuracy estimation rebellious. We keep up ISO certification measures all through our generation process.

Service Support
Pre-Sales Support
Our specialized group gives comprehensive interview and plan help. We offer assistance you select the ideal arrangement for your particular application requirements.
Production Transparency
You get synchronized upgrades all through the fabricating handle. Real-time advance following keeps you educated from arrange arrangement to shipment.
After-Sales Commitment
We stand behind our items with a one-year guarantee and fast reaction bolster. Our group is prepared to address any questions or concerns promptly.
Frequently Asked Questions
Q: How does service life compare to standard worm gears?
A: Our double enveloping design typically provides 2-3 times longer service life due to improved load distribution and reduced contact stress.
Q: What lubrication requirements should I consider?
A: These gears require high-quality synthetic oils or polyglycol lubricants with extreme pressure additives for optimal performance and longevity.
Q: Can these gears provide self-locking functionality?
A: Yes, high-ratio configurations (typically above 50:1) offer reliable self-locking characteristics, though mechanical brakes are recommended for safety-critical applications.
Q: How critical is installation alignment?
A: Precise alignment is essential. The hourglass geometry requires perfect centering to maintain proper contact patterns and prevent premature wear.
Q: How do you manage heat generation?
A: Proper lubrication and thermal management are crucial. We recommend synthetic lubricants and adequate cooling for continuous duty applications.
Contact Us
Ready to use the Double Enveloping Worm to enhance your power transmission system? Contact our experts at sales@yizmachinery.com for custom solutions and technical consultation.











