Zhangjiagang Guangda Special Material Co., Ltd.
Leading manufacturer of advanced materials and products for high-end equipment
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Alloy Steel Gear Blank Forgings Carbonation Case Hardening Gear forging manufacturer
42CrMo4 steel gear blank forgings , the Strength, hardenability, good toughness, when small deformation hardening, high strength and creep rupture strength at high temperatures. Requirements for the manufacture of higher intensity than the 35CrMo steel and tempered forgings larger cross-section, such as the big locomotive traction gears, supercharger drive gear, pressure vessel gear, rear axle, greatly affected by the load rod and spring can also be used to 2000m deep oil drill pipe joints and fishing tools, and can be used to mold and other bending machines.
Gear Blank Forgings Specification
| Delivery state | Rough blank, semi-finished blank,finishing gears |
| Material | 18CrNiMo7-6, 30CrNiMo8,17CrNiMo6,20CrMnMo ,4340,34CrNiMo6 42CrMo4,etc. |
| Melting process | EF+LF+VD |
| Delivery state | Rough blank, semi-finished blank,finishing gears,Black, peeled, polishing, bright, sand blast, hair line, etc. |
| Diameter | Max 5000mm |
| Max length/Diameter | 12m |
| Max weight | 60T |
| Annular Capacity | 100000pcs |
| Executive standard | JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
| Certification | PED,DNV,BV,Rina,ISO,GL,ABS,LR |
| Application | Used for wind turbine gear box ,industril gear box,Generator, transmission, reduction motor, equipment transmission etc. |
Gear blank forging procedure
Orging process flow quality control: Raw material steel ingot into warehouse(test the chemical content) → Cutting→ Heating(Furnace temperture test) → Heat treatment after forging(Furnace temperture test) Discharge the furnace(blank inspection)→ Machining→ Inspection(UT,MT,Visal diamention, hardness)→ QT→ Inspection(UT, mechanical properties, hardness, grain size)→ Finish machining→ Inspection (dimension)→ Packing and Marking(steel stamp, mark)→ Storage Shipment
High-precision dimensional tolerance;Excellent mechanical properties;Produce different dimension based on customer’s requirements;Advanced manufacture equipments and inspection devices;Excellent technical personality;Control the production procedure strictly;Pay attention on the package protection;Quality full service.
Gear Blank Forgings Manufacture Capacity
| Company type | Science and Technology innovation board listed company. Stock code :688186 |
| Completed supply chain | Guangda is an leading and integrated steel manufacturer from smelting, forging, heat treatment to precision smart manufacturing . |
| Shape | Ring, Shaft, disc, round plate, Dysplasia forgings etc. |
| Smelting | Smelting capacity 500,000.00 ton/year . With own smeliting line of carbon steel,stainless steel, alloy steel and special steel . |
| Annual capacity for the forgings | Forging capacity 300,000.00 ton/year . With own professinal forging press machines 5000ton,4500ton,4000ton,3600ton,2000ton,1000ton and ring rolling mill machines and could manufacture the forging blank ourselves. |
| Machining | Turning, milling, boring ,grinding, finished machining, gear shaping ,gear hobbing, gear grinding capability. |
| Heat treatment | Own professional equipment for heat treatment for Annealing ,Normalizing ,Tempering ,QT, Isothermal annealing,Stress relief , Nitriding , Carburize ,Case-hardening etc |
| Surface treatment | High-pressure cleaning, sand blasting and thermal spraying. Complete surface treatment capability. |
Gear Blank Forgings Application
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