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〈自製CNC雕刻機 – DIY Hobby Mini CNC Router Machine〉的留言 https://www.diycomm.com/?p=364 DIY過程記錄,讓您看透透 Mon, 17 May 2010 03:26:50 +0000 hourly 1 https://wordpress.org/?v=5.6.13 留言者: 木老老 https://www.diycomm.com/?p=364#comment-1312 Mon, 17 May 2010 03:26:50 +0000 http://www.diycomm.com/?p=364#comment-1312 回覆的對象為「ryobi papa」。

兩種螺紋外形不一樣, T型螺桿牙紋是方的, 滾珠螺桿不是. 螺母不能互換共用. 若您買了T型, 要升級成滾珠, 要整組換掉.

T型螺桿 = 梯形螺桿.

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留言者: ryobi papa https://www.diycomm.com/?p=364#comment-1286 Sat, 15 May 2010 02:24:03 +0000 http://www.diycomm.com/?p=364#comment-1286 版主您好!
請問滾珠螺桿跟T型螺桿的螺母可以互換來用嗎? 就是我若買T型螺桿, 將來可以升級到滾珠螺桿嗎? 另外再請較, T型螺桿與梯形螺桿的差別是?
謝謝!

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留言者: 王先生 https://www.diycomm.com/?p=364#comment-1125 Wed, 28 Apr 2010 08:15:47 +0000 http://www.diycomm.com/?p=364#comment-1125 回覆的對象為「木老老」。

谢谢! 我也正好有类似问题,马上去检查一下!

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留言者: 木老老 https://www.diycomm.com/?p=364#comment-1121 Wed, 28 Apr 2010 03:24:20 +0000 http://www.diycomm.com/?p=364#comment-1121 回覆的對象為「賴桑」。

如果您的機器該鎖的地方都有鎖緊, 那麼比較可能是三軸的螺母游隙偏大, 您查一下. 一般狀況, “復位”精度要靠零間隙得螺桿與螺母; 各軸進退精度要靠精度高的螺桿. 拿大家常用的畫圓為例, 畫成非正圓但線頭線尾有相碰對頭, 那就是螺桿的螺距不精密; 如果圓的線頭線尾沒有相碰頭, 也就是說無法回復到原位(復位), 就可能是螺母/螺桿間的遊隙大, 或是結構哪裡是鬆的造成的. 您依序仔細查一下.

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留言者: 賴桑 https://www.diycomm.com/?p=364#comment-1116 Tue, 27 Apr 2010 14:14:20 +0000 http://www.diycomm.com/?p=364#comment-1116 木大您好! 我自製了一台CNC, 用它畫圓試驗精準度, 結果線頭線尾都對不上, 請問是哪裡需要修一下? 先謝了! (也可回到我的EMAIL)

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留言者: 木老老 https://www.diycomm.com/?p=364#comment-1015 Mon, 19 Apr 2010 03:16:03 +0000 http://www.diycomm.com/?p=364#comment-1015 回覆的對象為「RCeagle」。

您的牙條是多少Pitch 牙距的? 就我所知, 牙條的pitch 都不大, 所以每轉一圈才進1~2mm而已. 一般角牙螺桿至少每吋6牙, 就是pitch 約25.4/6=4.2mm, 這麼寬的pitch 換算成公制牙條您要買到M22, 2.2公分粗的.太粗太重了. 台灣市面常見角牙螺桿最細的5/8″粗的(1.58公分)就已經是每吋6牙了.
一般步進馬達好像轉速保守點不超過調到300rpm以上, 所以您的狀況, 各軸要快, 只能換牙距再大一點的(Mxx, xx越大牙距相對越大), 或直接上角牙了.

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留言者: RCeagle https://www.diycomm.com/?p=364#comment-1007 Sun, 18 Apr 2010 13:59:41 +0000 http://www.diycomm.com/?p=364#comment-1007 您好! 我的機器三軸是牙條傳動的, 但覺得三軸移動太慢, 馬達已經調到極限了, 再快下去會抖了. 請問還可以怎麼改進讓三軸可以加速? 謝謝! 

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留言者: 木老老 https://www.diycomm.com/?p=364#comment-807 Fri, 09 Apr 2010 12:38:52 +0000 http://www.diycomm.com/?p=364#comment-807 回覆的對象為「sedo」。

相同的東西, 名字不同:
梯形牙=角牙=Acme Lead Screw

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留言者: sedo https://www.diycomm.com/?p=364#comment-795 Fri, 09 Apr 2010 02:08:00 +0000 http://www.diycomm.com/?p=364#comment-795 請問一下, 請問梯形牙跟角牙有不同嗎?

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留言者: 木老老 https://www.diycomm.com/?p=364#comment-683 Sun, 04 Apr 2010 01:34:58 +0000 http://www.diycomm.com/?p=364#comment-683 回覆的對象為「Bobo」。

鏈條式我好像都在大型馬達上見到, homemade cnc 沒有見過.

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