Hot Forged Gear Blanks For Transmission
- Material Flexibility: Covers carbon steel, alloy steel, stainless steel, and nickel alloys.
- Dimensional Precision: Rough-machined blanks prepared for finishing gear cutting.
- Surface Quality: Ra ≤ 1.6 μm (Ra ≤ 0.8 μm optional).
- Production Range: Supports low to medium-volume orders efficiently.
- Certification: ISO9001, PED, and SGS compliance.
Technical Specifications
| Parameter | Specification |
| Product Name | Hot Forged Gear Blanks for Transmissions |
| Material Options | Carbon Steel / Alloy Steel / Stainless Steel / Nickel Alloys |
| Outer Diameter Range | 100 mm – 1200 mm (customizable up to 1500 mm) |
| Thickness Range | 25 mm – 400 mm |
| Bore Diameter Range | 20 mm – 350 mm |
| Weight Range | 5 kg – 900 kg per piece |
| Forging Type | Open Die / Closed Die Hot Forging |
| Machining Condition | Rough-Machined for Gear Finishing |
| Tolerance (After Machining) | ±0.01 mm |
| Surface Finish | Ra ≤ 1.6 μm (standard) |
| Heat Treatment Options | Quenching & Tempering / Normalizing / Stress Relieving |
| Inspection Methods | UT / MT / Hardness / Dimensional / Mechanical Testing |
| Certification | ISO9001 / PED / SGS |
| Delivery Time | 15–30 Days (Urgent) / 30–45 Days (Standard) |
| Packaging | Wooden Case / Steel Pallet / As per Customer Requirement |
Product Advantages
- Enhanced Strength and Durability: Hot forging refines grain structure, providing higher fatigue and impact resistance.
- Optimized Material Efficiency: Reduced machining allowance minimizes waste and cost.
- Versatile Gear Compatibility: Suitable for spur, helical, bevel, and worm gears.
- High Transmission Reliability: Withstands continuous torque and high-speed conditions.
- Metallurgical Soundness: 100% UT-tested forgings ensure structural integrity.
- Custom Engineered: Designed according to each customer’s technical drawings.
Customization & OEM Service
- Custom Sizes: Outer diameter, bore, and thickness as per transmission system design.
- Custom Materials: Carbon, alloy, stainless, or nickel alloys for specific mechanical needs.
- OEM Branding: Logo stamping or laser marking for traceability.
- Surface Treatment: Phosphate coating, rust-preventive oil, or heat-resistant coating.
- Prototype Service: MOQ = 1 piece available for development testing.
- Flexible Delivery: Supports urgent and small-batch production.
Applications
- Automotive Transmissions: Passenger cars, trucks, and heavy commercial vehicles.
- Construction Machinery: Excavators, loaders, and cranes.
- Agricultural Equipment: Tractor gear systems and power transmission units.
- Industrial Gearboxes: Compressors, reducers, and heavy drives.
- Marine & Rail Systems: Propulsion and traction gear mechanisms.
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.