Tooling for precise forming of metal saddle pipe fittings and method for processing saddles
A technology of precision molding and saddle, which is applied in the direction of pipes/pipe joints/fittings, pipes, rigid pipes, etc. It can solve the problems of high labor intensity for operators and low molding efficiency, so as to improve product quality, reduce molding time, and reduce replacement. The effect of modulus
Active Publication Date: 2019-04-16
725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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- Abstract
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- Claims
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Problems solved by technology
[0003] The purpose of the present invention is to solve the problems of low forming efficiency and high labor intensity of the operator caused by tooling in the existing saddle processing process, and provide a tooling for precision forming of metal saddle pipe fittings and a method for processing saddles
Method used
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Embodiment 1
[0027] The present invention has been applied to the DN250 standard copper-nickel equal-diameter saddle, the weight of a single piece of blank is reduced from 13.79KG to the current 11.5KG, the material is reduced by 2.29KG, and the total molding time of a single saddle is reduced from 2.5 hours before for 1 hour.
Embodiment 2
[0029] The present invention has been applied to the DN300 standard copper-nickel equal-diameter saddle, the weight of a single piece of blank is reduced from 15.89KG to the current 12.5KG, the material is reduced by 3.39KG, and the total molding time of a single saddle is reduced from 2.5 hours before for 1 hour.
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The invention provides a tool for precision molding of metal saddle pipe fittings and a method for machining a saddle. Through the simple tool formed by a main pipe and a branch pipe in a matched mode, the molding time of the saddle is shortened, the mold replacement frequency is reduced, the production efficiency and product precision of the saddle pipe fittings are greatly improved, the blanking dimension of blanks is reduced, blanking is conducted through seamless pipes, the material utilization rate is increased, the problem that the height of the saddle branch pipe is limited during plate stamping is solved, the competition advantage is improved, and a foundation is laid for further expanding the market.
Description
technical field [0001] The invention relates to the field of metal material processing technology, in particular to a tool for precise forming of metal saddle pipe fittings and a method for processing a saddle. Background technique [0002] Metal saddle pipe fittings are widely used in domestic and foreign shipbuilding and marine engineering industries. At present, three methods are used for the production of saddles: tailor welding, plate stamping and pipe pressing. Among them, tailor welding saddles have more welds, the production cycle is long, and product quality is difficult to guarantee; plate stamping saddles have a large material thinning rate and low material utilization. Moreover, the saddle branch pipe generally does not meet the standard requirements, and welded pipe sections need to be added; the pipe pressing method uses pipes as raw materials, the height of the saddle branch pipe can meet the standard requirements, the material utilization rate is high, and th...
Claims
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IPC IPC(8): B23P15/00F16L9/02
CPCB23P15/00F16L9/02
Inventor 周铁柱马俊普杨青云
Owner 725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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