A kind of liner of ultra-high pressure gas cylinder and its manufacturing method
A manufacturing method and technology for pressurizing gas cylinders, which are applied to other manufacturing equipment/tools, manufacturing tools, container filling methods, etc., can solve the problems of poor reliability, heavy weight, and small volume of ultra-high pressure gas cylinders, and achieve light weight and low pollution. , the effect of strict surface quality control
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Embodiment 1
[0131] Prepare an ultra-high pressure gas cylinder liner with a diameter of 500mm, a length of 3.5m, and a wall thickness of 5mm. The rated pressure of the ultra-high pressure gas cylinder is required to be 70Mpa, specifically including the following steps:
[0132] S1, back cover 1 spinning
[0133] Select a slab with a thickness of 20mm and a diameter of Φ1200mm as the spinning blank, first heat the slab to be spun to 360°C, write the spinning program according to the following parameters, and perform ordinary spinning:
[0134] First, carry out 3 times of double-spin wheel multi-pass mirror image ordinary spinning for pre-forming spinning, and the spinning process is non-fitting mold spinning;
[0135] Then after 3 passes of forming and spinning of the back cover section 1, in the spinning process, the gradual thickness spinning method is used for spinning;
[0136] After 6 passes of double-spin wheel and multi-pass mirror image ordinary spinning, the straight-through barr...
Embodiment 2
[0174] Prepare an ultra-high pressure gas cylinder liner with a diameter of 650mm, a length of 4m, and a wall thickness of 6mm. The rated pressure of the ultra-high pressure gas cylinder is required to be 50Mpa, specifically including the following steps:
[0175] S1, back cover 1 spinning
[0176] Select a slab with a thickness of 25mm and a diameter of Φ1500mm as the spinning blank, first heat the slab to be spun to 360°C, write the spinning program according to the following parameters, and perform ordinary spinning:
[0177] First, carry out 3 times of double-spin wheel multi-pass mirror image ordinary spinning for pre-forming spinning, and the spinning process is non-fitting mold spinning;
[0178] Then after 3 passes of forming and spinning of the back cover section 1, in the spinning process, the gradual thickness spinning method is used for spinning;
[0179] After 6 passes of double-spin wheel and multi-pass mirror image ordinary spinning, the straight-through barrel...
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