Manufacturing method for casting branch oilway in body of diesel engine
A manufacturing method and diesel engine technology, which are applied in the directions of casting molds, casting mold components, manufacturing tools, etc., can solve the problems of difficulty in cleaning, iron infiltration in branch oil channels, adhesion of ceramic pipes, etc., and achieve smooth inner surface, easy cleaning and high quality. improved effect
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[0018] The manufacturing method of casting branch oil passages in the diesel engine body includes:
[0019] a. Cut the seamless steel pipe 1 of the required length, weld a round steel 3 under the seamless steel pipe 1; weld a round steel 3 under the seamless steel pipe 1 to prevent the seamless steel pipe 1 from being deformed during pouring; figure 1 with figure 2 As shown, the seamless steel pipe 1 is connected to the round steel 3 and plays a fixed role for the seamless steel pipe 1.
[0020] b. The seamless steel pipe 1 welded with round steel 3 is tinned; in order to prevent the seamless steel pipe 1 from rusting on the surface and causing pore defects during pouring, and to ensure a good fusion between the seamless steel pipe 1 and the casting, The seamless steel pipe 1 welded with round steel 3 is tinned; figure 1 with figure 2 As shown, the surface of the seamless steel pipe 1 is tin-plated.
[0021] c. When making the core, fill the seamless steel pipe 1 with zircon coated...
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