Novel elbow pipe fitting core assembly and manufacturing technique thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- WUHU JINMAO FLUID TECH CO LTD
- Publication Date
- 2014-12-24
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention relates to a novel bend pipe fitting assembly core and its manufacturing process. Background technique
[0002] The existing casting and forming process of elbow pipe fittings is as follows: 1) manufacture flange presser foot elbow shell mold, flange presser foot elbow pipe core box mold, flange presser foot elbow shell mold to form the external sand mold contour of pipe fittings; The sand core is built in the pipe core box mold of the blue presser foot elbow pipe; 2) The prepared flange presser foot elbow pipe shell mold and the flange presser foot elbow pipe core box mold are used to prepare the flange presser foot elbow sand mold and the pipe respectively Sand core 3) Put the prepared pipe sand core into the sand mold of the flange presser foot elbow, close the box, cast, and post-process to form a semi-finished casting of the flange presser foot elbow. This kind of manufacturing process has high technical requirements for molding wor...