[問題] 新手想請教機械製圖問題。
大家好,小弟非機械本科系
最近想自己diy製作一些小零件,想學習軟體繪圖
想從身邊的小零件開始練習畫,但是有一些小細節不懂,想請教板友
第一就是我想畫一顆螺絲,但是它標示的尺寸是5mm,
但是我實際用游標卡尺量測是4.84mm,
是不是我以後量測每一個零件只要碰到接近整數位,都要是取整數
例如我量測一個長方體的長,實際量測是101mm,然後取100mm這樣?
第二就是小弟身邊只有游標卡尺,如果遇到有圓角的零件,
該如何量測它的圓角半徑呢?
如下圖所示:
http://imgur.com/a/UFxTO
http://imgur.com/a/5t4Nz
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 223.138.23.74
※ 文章網址: https://www.ptt.cc/bbs/Mechanical/M.1487509963.A.735.html
→
02/19 21:15, , 1F
02/19 21:15, 1F
→
02/19 21:15, , 2F
02/19 21:15, 2F
推
02/19 21:15, , 3F
02/19 21:15, 3F
※ 編輯: magyver (223.138.23.74), 02/19/2017 21:27:22
→
02/19 21:29, , 4F
02/19 21:29, 4F
→
02/19 21:29, , 5F
02/19 21:29, 5F
→
02/19 21:30, , 6F
02/19 21:30, 6F
→
02/19 21:34, , 7F
02/19 21:34, 7F
→
02/19 22:05, , 8F
02/19 22:05, 8F
→
02/19 22:07, , 9F
02/19 22:07, 9F
→
02/19 22:08, , 10F
02/19 22:08, 10F
→
02/19 22:09, , 11F
02/19 22:09, 11F
→
02/20 00:44, , 12F
02/20 00:44, 12F
→
02/20 00:44, , 13F
02/20 00:44, 13F
→
02/20 00:44, , 14F
02/20 00:44, 14F
推
02/21 00:56, , 15F
02/21 00:56, 15F
推
02/21 01:00, , 16F
02/21 01:00, 16F
推
02/21 11:34, , 17F
02/21 11:34, 17F
推
02/26 23:46, , 18F
02/26 23:46, 18F
→
02/26 23:46, , 19F
02/26 23:46, 19F
→
02/26 23:46, , 20F
02/26 23:46, 20F
→
02/26 23:46, , 21F
02/26 23:46, 21F
推
02/27 20:44, , 22F
02/27 20:44, 22F
→
02/27 20:45, , 23F
02/27 20:45, 23F
→
02/27 20:48, , 24F
02/27 20:48, 24F
推
03/01 15:31, , 25F
03/01 15:31, 25F