數(shù)控機(jī)床編程外文文獻(xiàn)翻譯@中英文翻譯@外文翻譯
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英文原文 NC to NC a of NC by NC is to be or NC to do NC by be NC to is as to a NC is s a is or be A by NC is a is as as a a it be is to be to to up is s of NC is to as is in a NC or of be of a a of by as is on to be to of NC A to a of of in A on to of a be on a As a in on By a on a is of of is It be NC to by to to in to a (be to of on a to NC to be in a by of NC By of is of in a to a is be if to be to a to of is If to is to to in a to is NC to 90. In be is of is of In 91), s of be be is of on Be to If in as To be is to it to of in to do In if a is in of be On if a is of be in NC be of or is NC to is to in it is to is a 50) at at at of to is of to to to A be as a MC 1. MC is of to 2. is in of it in ? ? ? ? A or MC he to at of in a 0 to a of of of 0 to 2of in to 63 of of of of or a of of it be It is in to or a of to of a is of or If is if it be a of it a on of to in is on is to . of to to of to of to or is of if a of in is is on or a D on in be A is in be or of in s is to on of on .5 . of of of is SM is an of on as by or to be to be of AM be s "." on 931, a at a 5in at to ." ... to a to in at ." to is a of at at is SM be on s "is to 0 or 300 3 000 10 km/in of to to of is of to a C is a of a as in of of be in to in SC a ? of on On SC on Be to FF on Do SC 5 SC a of on of Do SC OT to s a of on of of in at of on of on ? if ? it 5 ? at on is in to a to NC a to s by of a at as If a is of an t to t if t t it as We of If t is to is to is by to , is by is by is t if is t to of in t is a if it or in a s to a if or to of on It is to a do on 中文譯文 數(shù)控機(jī)床 雖然各種數(shù)控機(jī)床的功能和應(yīng)用各不相同,但它們有著共同的優(yōu)點(diǎn)。這里是數(shù)控設(shè)備提供的比較重要的幾個優(yōu)點(diǎn)。 各種數(shù)控機(jī)床的第一個優(yōu)點(diǎn)是自動化程度提高了。零件制造過程中的人為干預(yù)減少或者免除了。整個加工循環(huán)中,很多數(shù)控機(jī)床處于無人照看狀態(tài),這使操作員被解放出來,可以干別的工作。數(shù)控機(jī)床用戶得到的幾個額外好處是:數(shù)控機(jī)床減小了操作員的疲勞程度,減少了人為誤差,工件加工時間一致而且可預(yù)測。由于機(jī)床在程序的控制下運(yùn)行,與操作普通機(jī)床的機(jī)械師要求的技能水平相比,對數(shù)控操作員的技能水平要求(與基本加工實(shí)踐相關(guān))也降低了。 數(shù)控技術(shù)的第二個優(yōu)點(diǎn)是工件的一致性好,加工精度高?,F(xiàn)在的數(shù)控機(jī)床宣稱的精度以及重復(fù)定位精度 幾乎令人難以置信。這意味著,一旦程序被驗(yàn)證是正確的,可以很容易地加工出 2個、 10個或 1000個相同的零件,而且它們的精度高,一致性好 。 大多數(shù)數(shù)控機(jī)床的第三個優(yōu)點(diǎn)是柔性強(qiáng)。由于這些機(jī)床在程序的控制下工作,加工不同的工件易如在數(shù)控系統(tǒng)中裝載一個不同的程序而己。一旦程序驗(yàn)證正確,并且運(yùn)行一次,下次加工工件的時候,可以很方便地重新調(diào)用程序。這又帶來另一個好處 — 可以快速切換不同工件的加工。由于這些機(jī)床很容易調(diào)整并運(yùn)行,也由于很容易裝載加工程序,因此機(jī)床的調(diào)試時間很短。這是當(dāng)今準(zhǔn)時生產(chǎn)制造模式所要求的。 任何 數(shù)控機(jī)床最基本的功能是具有自動、精確、一致的運(yùn)動控制。大多數(shù)普通機(jī)床完全運(yùn)用機(jī)械裝置實(shí)現(xiàn)其所需的運(yùn)動,而數(shù)控機(jī)床是以一種全新的方式控制機(jī)床的運(yùn)動。各種數(shù)控設(shè)備有兩個或多個運(yùn)動方向,稱為軸。這些軸沿著其長度方向精確、自動定位。最常用的兩類軸是直線軸(沿直線軌跡)和旋轉(zhuǎn)軸(沿圓形軌跡)。普通機(jī)床需通過旋轉(zhuǎn)搖柄和手輪產(chǎn)生運(yùn)動,而數(shù)控機(jī)床通過編程指令產(chǎn)生運(yùn)動。通常,幾乎所有的數(shù)控機(jī)床的運(yùn)動類型(快速定位、直線插補(bǔ)和圓弧插補(bǔ))、移動軸、移動距離以及移動速度(進(jìn)給速度)都是可編程的。 數(shù)控系統(tǒng)中的 令命 令驅(qū)動電機(jī)旋轉(zhuǎn)某一精確的轉(zhuǎn)數(shù),驅(qū)動電機(jī)的旋轉(zhuǎn)隨即使?jié)L珠絲杠旋轉(zhuǎn),滾珠- 1.請仔細(xì)閱讀文檔,確保文檔完整性,對于不預(yù)覽、不比對內(nèi)容而直接下載帶來的問題本站不予受理。
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