Description
The equipment is suitable for the CNG steel cylinder of Jumbo Tube Skids, works well with the rough drilling, the rough machining of the outer circle, the chamfered inner and outer corners, the finishing end face, the finishing of the inner hole, the finishing of the outer circle, the correction of the inner arc wrinkle surface and the milling of the internal and external rib lines and other processes, all the processing is realized by CNC programming, which is the ideal equipment for the processing of the long steel cylinder.
The machine meets the following basic requirements:
- The diameter of the cylinder is 590-920 (customized), the length is 3m-12.3m (customizable), and the weight is ≤5t.
- Machining thread specifications: internal thread G3, M7O-90×3H, external thread G5B, and its accuracy is implemented under the standard GB/T7307.
- Meet the requirements of high-quality carbon structural steel, alloy structural steel, high-strength steel, and other pipe materials with HB200-400 hardness, including 30CrMo, 35CrMo, 40CrMo and high-strength steel, titanium alloy, etc.
- Production cycle: 30-45min/station.
- Reasonable clamping method to complete roughing, finishing and threading processes; The processing method adopts the workpiece non-rotation mode to improve the machining accuracy.
- The control system adopts Siemens 828D (can be matched according to the manufacturer’s requirements), and the servo motor adopts Siemens to improve the interpolation accuracy and calculation speed.
Specifications
| Commonly used internal threads of bottle mouth | G3，M70-90 * 3H, etc. |
| Commonly used outer threads of bottle mouth | G5B |
| Cylinder diameter processing size | 590-920mm |
| Cylinder length processing size | 3m-12.3m |
| Thread length | 0-100mm（Customized） |
| Thread roughness | up to Ra1.6 |
| Inner bore/step surface/end face | Ra0.4-1.6 can be reached |
| The weight of the workpiece | ≤5000Kg |
| Production Efficiency | 30-40 min/station |
How the machine works:
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