Products Description

Heavy-Duty Custom Worm Gear & Worm Wheel Solutions
Worm gear and worm wheel systems are essential components in power transmission where high reduction ratios, compact installation, and stable torque output are required. Compared with spur gears or bevel gears, worm gears transmit motion through sliding contact, delivering smoother operation, lower vibration, and reduced noise under continuous load.
Our custom worm gears are engineered using optimized worm gear tooth profiles to ensure accurate meshing, controlled contact stress, and consistent efficiency. By precisely controlling gear module, lead angle, center distance, and backlash, we ensure compatibility with worm gear reducers, worm gear motors, and integrated gearbox systems. These advantages make our worm gear solutions especially suitable for industrial equipment operating under heavy load, intermittent shock, and long service cycles.
Core Product Strengths
High Reduction Ratio
Enables large speed reduction in one stage, simplifying gearbox structure and reducing overall system size while maintaining stable torque output.
Smooth Transmission
Sliding tooth contact minimizes vibration and noise, making worm gear motors suitable for precision equipment and continuous-duty industrial systems.
Custom Engineering
Gear module, shaft diameter, center distance, and backlash optimized to match specific reducer, motor, or equipment requirements.
Heavy-Duty Capacity
Designed for sustained load operation with controlled contact stress, suitable for lifting, conveying, and material handling applications.
Wide Compatibility
Easily integrates with worm gear reducers, worm gear motors, and combined gearboxes using spur or bevel gear stages.
Extended Service Life
Optimized heat treatment and surface finish significantly improve wear resistance and operational lifespan.
Technical Specifications & Models
| Material | AISI 4340 Alloy Steel | High strength, good hardenability |
| Gear Module | M2 – M25 | Large-module machining supported |
| Lead Angle | 5° – 30° | Optimized for efficiency & load |
| Center Distance | 80 – 800 mm | Suitable for medium & large reducers |
| Hardness | 280 – 320 HB | After quenching & tempering |
| Accuracy Grade | DIN 6 – DIN 7 | CNC gear cutting |
| Tooth Surface Finish | Ra ≤ 1.6 μm | Reduced friction and wear |
| Backlash Control | ±0.02 – 0.05 mm | Stable transmission |
| Load Capacity | Heavy-duty torque design | Industrial & mining use |
Quality Control & Inspection System


Chemical
Analysis
Spectrometric testing ensures alloy composition meets design standards.
Mechanical Properties
Tensile and hardness tests verify load-bearing capability.
Heat Treatment Control
Normalizing, quenching, and tempering logs fully recorded.
UT
Inspection
Ultrasonic testing detects internal flaws in worm shaft and wheel.
MT
Inspection
Magnetic particle testing identifies surface cracks after machining.
Gear Accuracy Check
Tooth profile, pitch, and runout fully inspected.
Dimensional Inspection
CMM measurement ensures assembly accuracy.
Surface Finish Check
Ra measurement reduces friction and wear risks.
Packaging & Export Protection

All worm gears are thoroughly protected before shipment using anti-rust oil treatment, moisture-resistant wrapping, and sealed surface protection. Each component is individually packed to prevent metal-to-metal contact during handling and transportation.
For export shipments, we adopt ISPM15-compliant fumigation-free wooden crates combined with internal fixing structures to ensure stability. Packaging design is customized based on gear size, weight, and shipping method, ensuring safety during long-distance sea freight, land transportation, or air delivery. Clear lifting points and identification markings are applied to improve handling efficiency and reduce on-site risk, ensuring the worm gear arrives in perfect condition.
rust protection
free crates
resistant structure
distance safety
Export Service & Global Delivery
We provide professional export services including packing list, commercial invoice, certificate of origin, inspection reports, and shipping documents. With long-term cooperation with global freight forwarders, we support sea freight, land transport, and air shipment, offering flexible solutions based on delivery time and cost optimization. Large shipment volumes and stable logistics channels ensure reliable global delivery.

Gear Product Showcase
Inquiry & Custom Worm Gear Solutions

ZM INDUSTRY CO.,LTD
Looking for a reliable worm gear manufacturer and gear supplier? Send us your drawings or application details today. Our engineering team will deliver a custom worm gear and worm wheel solution designed for long-term industrial performance.
Hot Tags: worm gear, China worm gear manufacturers, suppliers, factory, girth gear grinding, girth gear in maintenance guide, girth gear in replacement parts





