Method for manufacturing stainless steel lamp ring of oven
A manufacturing method, stainless steel technology, applied in the manufacturing field of lamp rings, can solve the problems of not meeting the size requirements, short service life of molds, increasing production costs, etc., and achieve the effects of improving pass rate, improving production efficiency, and improving production efficiency
Active Publication Date: 2015-06-17
扬州嘉华电气股份有限公司
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Problems solved by technology
Due to the high hardness and poor ductility of stainless steel, the use of stretch forming mainly has the following two problems: one is that the forming effect is not good, and the size requirements cannot be met. There are many defective products in the production process, and they are easy to pull. Stretching and cracking, which increases the production cost; second, the service life of the mold is short, and frequent mold repairs are required, the use cost is high, and the production efficiency is low
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[0030] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, it should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after reading the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.
[0031] The invention discloses a method for manufacturing an oven stainless steel lamp circle. like figure 1 Shown is a schematic diagram of the structure of the oven stainless steel lamp ring. The oven stainless steel lamp ring is hollow and ring-shaped, with limiting claws 1 equidistant on the circumference, and flanges 2 on the long side of the end.
[0032] like figure 2 Shown is a schematic diagram of the manufacturing steps of the oven stainless steel lamp ring...
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The invention discloses a method for manufacturing a stainless steel lamp ring of the oven. The method comprises the steps of: cutting stainless steel band; punching the steel band; performing flanging treatment on a long side of the lamp ring; tearing and shaping limiting pawls of the lamp ring; performing crimping process on the lamp ring; and blanking and welding. Another method comprises the steps of: cutting the stainless steel band; punching the steel band; tearing and shaping limiting pawls of the lamp ring; performing crimping process on the lamp ring; blanking and welding; and spinning and flanging. As the method for manufacturing the stainless steel lamp ring of the oven adopting the two technical schemes adopts the punching, the shaping, the edge rolling and the blanking and welding to replace a traditional extension shaping, so that the method for manufacturing the stainless steel lamp ring of the oven, disclosed by the invention, has the advantages of improving production efficiency, improving qualification rate of the product and lowering production cost while improving the service life of the mould.
Description
technical field [0001] The invention relates to a method for manufacturing a lamp ring of an oven, in particular to a method for manufacturing a stainless steel lamp ring for an oven. Background technique [0002] The light ring of the oven in the prior art is made of stretched iron sheet. Due to the high temperature in the oven, the iron sheet will be corroded after a period of use, which affects the service life of the lamp. The rusted light ring looks untidy , It is also a place where dirt is hidden, which affects the overall quality of the oven. In order to avoid the corrosion of the lamp ring of the oven, improve the service life of the lamp and the overall quality of the oven, the material of the lamp ring is stainless steel. Due to the high hardness and poor ductility of stainless steel, the use of stretch forming mainly has the following two problems: one is that the forming effect is not good, and the size requirements cannot be met. There are many defective produc...
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IPC IPC(8): B21D53/16
Inventor 张俊王亚斌
Owner 扬州嘉华电气股份有限公司