琪琪色原网站在线观看,国产伦精品一区二区三区免费,久久99精品久久久久婷婷,国产freesexvideos中国麻豆

Jiangmen hardware accessories factory analyzes its mold processing process arrangement

2019-12-29 1691

  Mold making refers to the processing of forming and blank making tools, in addition to shear mold and die-cutting mold. Generally, the mold has two parts: upper mold and lower mold. The steel plate is placed between the upper and lower dies to realize the material forming under the action of the press. When the press is opened, the workpiece determined by the die shape will be obtained or the corresponding waste materials will be removed. As small as electronic connector, as large as the automobile dashboard, the workpiece can be molded with mold. Progressive die refers to a set of die which can automatically move the workpiece from one station to another and get the forming parts at the last station. Die processing technology includes: cutting die, blanking die, compound die, extrusion die, four slide die, progressive die, stamping die, die cutting die, etc.

  Process flow arrangement

  1. Bottom surface processing, processing quantity guarantee;

  2. Casting blank datum alignment, 2D and 3D mold surface allowance inspection;

  3. Rough machining of 2D and 3D profile, non installation non working plane (including safety platform surface, buffer installation surface, pressing plate plane and side datum plane);

  4. Before semi finishing, the side datum should be aligned correctly to ensure the accuracy;

  5. Semi finish machining of 2D and 3D profile, finish machining of all kinds of installation working surfaces (including limit block installation surface and contact surface, insert installation surface and back side, punch installation surface, waste cutter installation surface and back side, spring installation surface and contact surface, all kinds of travel limit working surface, wedge installation surface and back side), semi finish machining of all kinds of guide surfaces and guide holes, leaving allowance for finish machining process Datum hole and height datum, and record data;

  6. Check and recheck the machining accuracy;

  7. Fitter setting process;

  8. Before finishing, align the reference surface of the process reference hole and check the allowance of the insert;

  9. Finish machining profile 2D, 3D, side punching profile and hole position, finish machining process reference hole and height reference, finish machining guide surface and guide hole;

  10. Check and recheck the machining accuracy.

  Jiangmen hardware accessories factory http://dealbeamer.com//


国产乱人伦无无码视频试看| 无码熟妇αⅴ人妻又粗又大| 国产欧美日韩va另类在线播放| 精品久久久久久久久久中文字幕| 亚洲av日韩av天堂一区二区三区| 黑人巨大白妞出浆| 欧美老妇与禽交| 国产激情电影综合在线看| 男女18禁啪啪无遮挡| 女人扒开屁股桶爽30分钟| 性做久久久久久久久| 国产v综合v亚洲欧美久久| 少妇被又大又粗又爽毛片| 亚洲欧美国产精品久久| 情人伊人久久综合亚洲| 国产乱码精品一区二区三区中文| 夫妇交换性三中文字幕 | 中文幕无线码中文字夫妻| 在线观看午夜亚洲一区| 中国精学生妹品射精久久 | 在线成人一区二区| 色哟哟最新在线观看入口| 日本无遮挡边做边爱边摸| 亚洲精品无码久久久久| 日韩人妻精品一区二区三区视频| 国产精品久久无码一区| 国产在线拍偷自揄拍无码| 狠狠爱无码一区二区三区 | 日日摸日日碰夜夜爽无码| 狠狠躁日日躁夜夜躁2020| 国产精品亚洲色婷婷99久久精品| 久久香综合精品久久伊人| 无码av一区二区三区无码| 99精品电影一区二区免费看| 极品老师腿张开粉嫩小泬| 欧美成妇人吹潮在线播放| 熟妇与小伙子matur老熟妇e| 日日摸日日碰人妻无码| 国产精品久久久久久吹潮| 法国啄木乌av片在线播放| 纯爱无遮挡h肉动漫在线播放|