Jiangyin Golden Machinery Equipment Co , Ltd
Jiangyin Golden Machinery Equipment Co , Ltd
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Forging Precision Maching St52 AISI4140 5000kg Forging Steel Gear Blank
Product Process Step:
1. Standard: JIS ANSI DIN EN GB
2. Processing: Raw material inspection + stock cutting+ heat forging+ Heat treatment (Normalizing+ tempering)
+Inspection rough machining + UT + 2ND Heat treatment + finishing machining + Inspection + packaging
3. Material: Stainless steel, carbon steel and alloy steel
4. Weight: 50kg to 5000kg
5. Forged process: Hot forged N or Q+T
6. Tolerance: +/-0.1mm
7. Min order: 1 PCS
8. Payment Terms: T/T or L/C
9. Delivery time: 1 PCS(normal size) needs 30 days
10. Certificate: ISO9001: 2008, PED, SGS.
11. Application: Mechanical engineering mechanical part
Forging Process
|
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 |
Forging Inspection
Packing and Delivery