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冲压模具设计必备资料:产品图分析和客户标准过滤、审查解析

  • 2026-04-28 09:41:12
冲压模具设计必备资料:产品图分析和客户标准过滤、审查解析

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  如何分析产品图 

一、产品图基本要素:

一)形状和位置公差

二、产品分析:

(1).3-2-1原则:所谓3-2-1原则即同一个方向上有三个点为组成一个面基准(也可直接指定面),两个点组成基准轴,另外一个点组成方向原点就能够成我们的产品坐标系(也就是我们的检测基准,产品基准,检具基准).例如:

案例解析:

1. 为更好的达到产品公差要求,尽量做到统一定位基准,减少因不同基准带来的误差累积。这就要求我们在结构设计前期对产品定位的整体考虑,如果找不到适合可以定位的基准孔可以试着向客户申请增加产品在生产过程时的定位孔(上图的两个基准孔并非产品上的孔,而是向客户申请在生产中专做定位用的);也可以增加工艺定位(如下图所示),然后在最后站切掉;所以在结构设计前期和设计过程中应尽可能多的结合模具在生产过程中的稳定性、方便加工制造和后续改模去考虑结构设计的合理性,有效的避免在结构设计时的反复修改提高作业效率,降低后续改模的工作量。(现场几乎每套单工程模具都有定位问题)

1. 增加工艺定位(如下图所示),然后在最后站切掉;所以在结构设计前期和设计过程中应尽可能多的结合模具在生产过程中的稳定性、方便加工制造和后续改模去考虑结构设计的合理性,有效的避免在结构设计时的反复修改提高作业效率,降低后续改模的工作量。

二.客户标准过滤和检查

标准是一个公司在多年的生产经营中的经验通过反复的总结,不断的积累沉淀而整理下来的一套,方便作业的准侧;也是供求双方衡量产品质量的统一协定

标准的好处:

1.统一作业手法,提高工作效率

2.保证产品质量

3.缩短交货周期

4.细节量化,降低制造加工成本

5.有助于经验的积累和推广

一). 结构设计需要熟知的标准:

    a.项目管理表  (精简的客户模具结构设计主要参考标准)

    b.结构自检表  (内部设计标准和筛选出的一些细节方面的客户标准)

    c.客户标准      (详细全面的设计标准)

    d.客户参考结构  

最后把过滤出来的标准在与客户标准一一对应检查,看是否有漏标准,同时把一些与常规标准有冲突的做要望要求项目向客户申请。(注意:在做要望时一定要阐述客户标准的弊端,说明咱们标准有利的地方,展现咱们标准的优势所在,争取客户的同意。)

(资料收集于网络,仅供学习分享,如侵权,请联系删除)

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  1. CONNECT:[ UseTime:0.000481s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000599s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001975s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000273s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000494s ]
  6. SELECT * FROM `set` [ RunTime:0.002484s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000624s ]
  8. SELECT * FROM `article` WHERE `id` = 484444 LIMIT 1 [ RunTime:0.005295s ]
  9. UPDATE `article` SET `lasttime` = 1777353246 WHERE `id` = 484444 [ RunTime:0.010400s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000283s ]
  11. SELECT * FROM `article` WHERE `id` < 484444 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000533s ]
  12. SELECT * FROM `article` WHERE `id` > 484444 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002235s ]
  13. SELECT * FROM `article` WHERE `id` < 484444 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000854s ]
  14. SELECT * FROM `article` WHERE `id` < 484444 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002470s ]
  15. SELECT * FROM `article` WHERE `id` < 484444 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.024478s ]
0.125713s