Description
Product Description
The cylinder blank is generally prepared by the reverse extrusion process. Due to the limitation of the process, the wall thickness is generally relatively thick, usually about 18-24mm, while the gas cylinder requires a wall thickness of about 5-7mm, and the general thickness of the bottle mouth closing part needs to be 10- 12mm, so a strong spin is required for thicker blanks.
1. The inner and outer surfaces of the strong coil blank should be smooth, and no defects such as cracks, corrosion, inclusions, peeling, bubbles, abrasions, bumps, scratches, folds, straights, pits, etc. are allowed.
2. Internal surface quality requirements: roughness Ra2.0, the surface has no defects such as cracks, pits, heavy skin, bumps, scratches, etc., and the grinding lines on the inner wall are consistent (circumferential).
3. The straightness of the strong coil is not more than 0.15%.
Technical Parameters
Technical requirements | Related parameters |
Spinning equipment | Three-wheel CNC spinning machine |
Diameter of spinning machine | 600mm/800mm |
Length of spinning machine | max. 3200mm |
Spinning method | Three-wheel spinning |
Spinning temperature | Room temperature, special coolant |
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