Worm Gears
- Material Flexibility: Available in carbon steel, alloy steel, stainless steel, and nickel alloys.
- Forging Method: Open die and closed die forging for dense internal structure.
- High Precision: Machining tolerance of ±0.01 mm; surface roughness up to Ra 0.4 µm.
- Custom Machining Flexibility: Available in rough or finished condition as per design.
- Custom Geometry: Supports single-start and multi-start worm profiles.
- Certification: ISO9001, PED, SGS-approved production standards.
Technical Specifications
| Parameter | Specification |
| Product Name | Forged Worm Gears |
| Material Options | Carbon Steel / Alloy Steel / Stainless Steel / Nickel Alloys |
| Outer Diameter Range | 100 mm – 1200 mm |
| Gear Face Width | 30 mm – 400 mm |
| Bore Diameter Range | 20 mm – 400 mm |
| Module Range | M2 – M36 (customizable) |
| Tooth Helix Angle | 5° – 45° |
| Weight Range | 5 kg – 1800 kg per piece |
| Forging Type | Open Die / Closed Die Hot Forging |
| Heat Treatment | Annealed / Normalized / Quenched & Tempered |
| Machining Accuracy | ±0.01 mm |
| Surface Roughness | Ra ≤ 0.4 μm |
| Inspection | UT / MT / Hardness / Tensile / Dimensional Checks |
| Delivery Time | 15–30 days (urgent) / 30–45 days (standard) |
| Packaging | Wooden Case / Steel Crate / Customized Export Packing |
Customization & OEM Service
- Custom Dimensions: Gear diameter, face width, and bore as per design.
- Custom Material: Choose carbon, alloy, stainless, or nickel steels per use environment.
- OEM Branding: Engraved or laser-etched identification markings available.
- Surface Coating: Nickel, phosphate, or anti-corrosion treatment on request.
- Prototype & Trial Orders: MOQ = 1 piece for R&D or trial use.
- Heat Treatment Tuning: Tailored hardness or microstructure based on load profile.
Applications
- High-Pressure Pumps: Triplex piston and plunger pumps.
- Oil & Gas Equipment: Mud pumps, fracturing units, and refineries.
- Industrial Mills: Cement, sugar, and paper mill drives.
- Construction Machinery: Concrete mixers and heavy-duty cranes.
- Metal Presses: Mechanical, eccentric, and high-speed pressing systems.
- Mining & Excavation: Crushers, conveyors, and drilling systems.
Manufacturing Capabilities
Forging Facilities
- 6300T / 3150T / 2000T free hydraulic presses.
- 5T, 3T, 2T, 1T, 750kg, 560kg electro-hydraulic hammers.
Heating Treatment Facilities
- RTX-9 series trolley furnaces in multiple sizes (5.5–8 m chamber length).
- RJ-9-850KW vertical furnace with 15 m depth.
- RTX-12-350KW high-temperature trolley furnace.
Machining Facilities
- CNC machines (max 32-ton load).
- Heavy-duty lathes and vertical mills (up to 70 tons).
- Gantry milling machines, deep-hole boring machines, grinding and turning centers.
Testing & Quality Control
- Spectrum analysis for chemical composition.
- Ultrasonic, non-destructive, and metallographic testing.
- Mechanical property test machines for yield, tensile, hardness.
Production Process
- Raw Material Selection: Use first-grade ingot steel, inspect chemical composition.
- Forging: Heat to precise temperature, perform open die or die forging.
- Heat Treatment: Quenching, tempering, or normalizing to meet mechanical targets.
- Machining: CNC turning, boring, milling, grinding, and drilling to precision ±0.01 mm.
- Inspection: Each shaft tested via 100% ultrasonic, hardness, and tensile checks.
- Packaging & Delivery: Anti-corrosion coating, safe transport packaging, global logistics support.
Additional Value-added Services
- Quench-and-temper heat treating
- Rough and finish turning
- Ultrasonic and mechanical testing
- Dimensional inspection reports
- Customized design and programming support
Quality Assurance
- Each forging carries a test bar for mechanical testing.
- 100% ultrasonic and visual inspection before shipment.
- Hardness, tensile, and metallographic verification.
- Compliance with ASTM, DIN, GB, and EN standards.
Why Choose Boberry

Integrated Production
Complete forging-to-machining production line ensures precision and fast delivery.

Advanced Equipment
Heavy-duty forging presses and CNC systems handle large, complex mechanical component geometries.

Certified Assurance
Certified production with ISO9001, PED, SGS compliance and global OEM support.
Logistics & Delivery
Lead Time: 15–30 days (urgent) / 30–45 days (normal).
Monthly Capacity: 500–1000 tons.
Packing: Wooden crates, steel frames, or per client request.
Shipment: By Sea (recommended, saves cost for forging parts) / By Air (fast but expensive).
Payment Terms: 30% deposit with balance via B/L copy; or 100% L/C at sight.
Delivery Terms: FOB, CIF, CNF.
Monthly Capacity: 500–1000 tons.
Packing: Wooden crates, steel frames, or per client request.
Shipment: By Sea (recommended, saves cost for forging parts) / By Air (fast but expensive).
Payment Terms: 30% deposit with balance via B/L copy; or 100% L/C at sight.
Delivery Terms: FOB, CIF, CNF.
