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Machining sae4340 Aisi4140 Forging Steel Spur Gearwheels
Specifications
Option: C45, 39NiCrMo3, 40CrNiMoA, SAE 4320, 36Mn5
Surface: Machining
Forged shaft
OEM
FORGING THE FUTURE, WE DO THE BEST
OUR COMMITMENT: COMPETITIVE PRICE, HIGH QUALITY AND GOOD SEVICE
High quality rotary forged CRANKshaft:
Specification:
1: Processing high quality gear
2: Materials: C45, 39NiCrMo3, 40CrNiMoA, SAE 4320, 36Mn5
3: Measurement: Max outside dia: 3200, weight: 30 tons.
Detail description:
1: Name: Gear shaft
2: Proces: Heat forging
3: Certificates: ISO9001-2000, SGS
4: Products ability: Max length: 1--16m, Max OD: 3m
5: Surface: Polishing or per costomer's requirement
Products range:
Die Forging, Main Shaft, Wind Power Shaft, Stabilizer, Flange, Coupling, BOP Body, Tube Plate, Roller Forging, Roller Shell, Ring Forging, Gears, Gear Blank, Gear Shaft, Gear Wheel.
Item | Process | Facility | Inspection items | Standard |
01 | Steel material inspection | Chemical composition (EF+LF+VD) | Material standard | |
surface | Ingot inspection specification | |||
Ingot type and weight | Material standard | |||
02 | Material store | Division put | warehouse management | |
1 | Heat | Heat furnace | Temperature/Time | Heating process specification Forging production procedure |
2 ↓ | Forging | Press | Reduction ratio,forging temperature,deformation, Surface and dimensions | Forging process card Forging procedure |
3 ↓ | Heat treatment | heat treatment furnace | heat treatment charts | 1st heat-treatment card Forging procedure |
4 ↓ | Rough inspection | Dimensions, apperance, Mark | Inspection specification Forging procedure | |
5 ↓ | Rough UT | UT equipment | Single defect, concentrated Defects bottom wave attenuation | UT standard or customer's technical requirements |
6 ↓ | Saw cutting | Saw machine | Dimension | IQC and forging |
7 ↓ | rough turning | turning-lathe | Dimension,appearance | Rough machining drawing |
8 ↓ | UT | UT equipment | Single defect, concentrated defects bottom wave attenuation | UT standard or customer's technical requirements |
9 ↓ | Q+T heat treatment | heat treatment furnace | heat treatment charts | Heating process specification |
10 ↓ | Sampling or machining | machining tool | rough machining drawing sampling drawing | sample machining drawing |
11 ↓ | mechanical property test | tensile testing machine/ impact testing machine | ambient temperature,humidity, Test temp.Sample dimension, test method | Standard technical specification |
12 ↓ | finish machining | machining tool | Dimension,appearance | finish machining drawing |
13 ↓ | UT | UT equipment | Single defect, concentrated Defects bottom wave attenuation | UT standard or customer's technical requirements |
14 ↓ | MT | MT equipment | Magnetic particle indication | Test standard or Technical requirements |
15 ↓ | Mark | Steel seal | marking content | Product standard Technical requirements Forging process |
16 ↓ | Final inspection | Appearance, dimension, mark acceptance inspection | Product inspection specification Product standard P.O. | |
17 | Protection/ package | Blasting Blasting equipment | appearance coating thickness | Product standard Technical requirements |