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GD&T 形状与位置公差培训学习资料分享

  • 2026-02-07 13:40:18
GD&T 形状与位置公差培训学习资料分享

GD&T 形状与位置公差培训学习资料分享

一次打包 10 份硬核 PDF,从入门到读图实战,全中文干货!

关注公众号,图片全套资料在文章底部获取喔 

🎯 为什么工程师必须啃下 GD&T?

传统正负公差
GD&T 几何公差
只控大小,不管方向/位置
大小、形状、方向、位置 四维合一
装配干涉靠“老师傅手感”
用 基准体系 DRF 提前在图面消灭干涉
质量扯皮“谁加工歪了”
用 MMC/LMC 把公差与功能绑定,现场直接判
客户退图纸“看不懂”
全球统一 ASME Y14.5-2018 符号语言,一张图跨国通吃

📂 资料目录(10 份 PDF 总览)

序号
文件名
页数/大小
关键词
01
ASME_GD&T_几何尺寸与公差基础培训I.pdf
86P / 5 M
ASME 官方课件,中英对照
02
车身GD&T设计尺寸链与公差分析.pdf
14P / 896 KB
整车案例,尺寸链叠加实战
03
GD&T形位公差.pdf
38P / 2 M
形状+位置一次看懂
04
GD&T_第二讲:符号与基准.pdf
42P / 1.8 M
14 大符号+Datum 三法则
05
GD&T_第三讲_形状和定向公差.pdf
35P / 1.5 M
平面度、圆度、平行度、垂直度
06
GD&T_第四讲:定位公差.pdf
40P / 2 M
位置度、同轴度、对称度
07
GD&T_第五讲:轮廓及跳动公差.pdf
32P / 1.6 M
线/面轮廓度、圆跳动、全跳动
08
GD&T_第一讲:术语_原则及尺寸解读.pdf
28P / 1.2 M
规则 #1 #2,Envelope 原则
09
GD&T读图学习知识点.pdf
22P / 1 M
现场 10 张典型图纸逐行拆解
10
GD&T符号、公差翻译资料.pdf
双面 A4 / 300 KB
汉英速查表,打印贴桌边

累计 327 页 正版干货,从术语→符号→公差带→读图,一条线拉通!


🚀 3 周自学路线图(建议收藏)

周次
任务
对应资料
第 1 周
搞懂“规则#1/#2、基准、MMC”
08→04→01
第 2 周
形状/定向/定位/轮廓各公差带长啥样
05→06→07
第 3 周
整车+机加图纸实战读图
02→09→03

每天 30 min,3 周即可独立阅读 90% 外资图纸


🧩 精华预览(先睹为快)

1. 规则 #1(Envelope Principle)

“尺寸公差同时控制几何误差”
➠ 图 08 第 12 页,Ø10±0.1 的轴永远不得大于 10.1,不得小于 9.9

2. 基准三法则(3-2-1)

“用 3 点定面,2 点定向,1 点定位置”
➠ 图 04 第 18 页,车身坐标系落地示范

3. 位置度 vs 传统±0.1

“同样 Ø10±0.1 孔阵,用位置度 Ø0.2 可放大工艺 57% 公差带”
➠ 图 06 第 26 页,MMC 奖金圆对比图


📣 领取方式

我用夸克网盘给你分享了「形状与位置公差培训教材」,点击链接或复制整段内容,打开「夸克APP」即可获取。

链接:https://pan.quark.cn/s/a8e1602081f1

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  134. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/think-view/src/Think.php ( 8.38 KB )
  135. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/framework/src/think/contract/TemplateHandlerInterface.php ( 1.60 KB )
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  138. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  139. /yingpanguazai/ssd/ssd1/www/no.67808.cn/runtime/temp/6df755f970a38e704c5414acbc6e8bcd.php ( 12.06 KB )
  140. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000704s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000870s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000337s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000277s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000505s ]
  6. SELECT * FROM `set` [ RunTime:0.000234s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000560s ]
  8. SELECT * FROM `article` WHERE `id` = 463994 LIMIT 1 [ RunTime:0.002902s ]
  9. UPDATE `article` SET `lasttime` = 1770443907 WHERE `id` = 463994 [ RunTime:0.012608s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000250s ]
  11. SELECT * FROM `article` WHERE `id` < 463994 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000445s ]
  12. SELECT * FROM `article` WHERE `id` > 463994 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000375s ]
  13. SELECT * FROM `article` WHERE `id` < 463994 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000731s ]
  14. SELECT * FROM `article` WHERE `id` < 463994 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004317s ]
  15. SELECT * FROM `article` WHERE `id` < 463994 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.008307s ]
0.105741s