作者查詢 / lrac
作者 lrac 在 PTT [ Mechanical ] 看板的留言(推文), 共53則
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10F推: 有規範平面度或輪廓度嗎?應該要要求08/30 21:03
11F→: 可能開模問題,可請廠商修模,也可能冷卻不均08/30 21:04
9F推: 減產了,怕客戶不拉貨。原料供應也受影響02/09 13:35
3F→: 好的謝謝,有比較簡單入門的可以推薦嗎?小弟高中非理組,06/22 17:19
4F→: 基礎很差06/22 17:19
8F→: 謝謝06/23 15:43
17F→: 謝謝J大07/29 12:48
1F推: 謝謝前輩詳細的資訊,王老師的課程昨天有搜尋到。資料會研究06/23 15:46
2F→: 看看。06/23 15:46
4F→: 我等等補圖05/13 10:39
5F→: https://imgur.com/gallery/VIIsDN305/13 10:56
6F→: 荷重很長,由3組一樣的樑去支撐05/13 10:57
8F→: F大 什麼意思不太懂05/14 12:08
11F→: f大,瞭解05/14 21:12
12F→: 不過現在用一個實際案例套回去驗算不太符合...要再想一下漏05/14 21:17
13F→: 了什麼...05/14 21:17
16F→: 感謝 已解決,發現是我自己出包,算平均荷重時沒除以橫樑長05/19 08:27
17F→: 度- -05/19 08:27
19F→: 我晚點回05/22 07:16
20F→: 用50*50*2截面積*長800的橫竿*3支,上面受平均荷重125公斤,05/27 17:20
21F→: 可算得單一支橫杆承受最大彎曲應力爲2.11kgf/mm^2。橫杆用ss05/27 17:20
22F→: 41,安全係數抓0.5,可容許彎曲應力是11>2.1105/27 17:20
32F推: 潤滑油類吧05/13 21:50
55F推:這行成本都被摸透啦 沒特別強技術品質 只能跟人家拼低價06/22 16:56
9F→:有的貼有的不貼只是因為至少要有地方掛掛勾吧04/11 21:40
4F推:Ra0.4~0.603/25 20:39
4F推:據說老闆很....03/25 20:47