數(shù)控技術(shù)與應(yīng)用

1、 數(shù)控技術(shù)與應(yīng)用請(qǐng)思考：什么是數(shù)控？什么是數(shù)控？A 數(shù)字控制數(shù)字控制B 數(shù)控系統(tǒng)數(shù)控系統(tǒng)C 計(jì)算機(jī)數(shù)字控制計(jì)算機(jī)數(shù)字控制D 計(jì)算機(jī)數(shù)控系統(tǒng)計(jì)算機(jī)數(shù)控系統(tǒng)1：數(shù)控系統(tǒng)的基本概念數(shù)字控制與數(shù)控系統(tǒng)數(shù)字控制（又稱數(shù)控）：是指利用數(shù)字化的代碼的程序?qū)刂茖?duì)象的工作過程實(shí)現(xiàn)自動(dòng)控制的一種方法。數(shù)控系統(tǒng)（NCS）：是利用數(shù)字控制技術(shù)實(shí)現(xiàn)的自動(dòng)控制系統(tǒng)。數(shù)控系統(tǒng)中的控制信息量是0和1什么是數(shù)字信號(hào)和模擬信號(hào)？數(shù)控設(shè)備數(shù)控設(shè)備：是采用數(shù)控系統(tǒng)實(shí)現(xiàn)控制的設(shè)備數(shù)控設(shè)備舉例數(shù)控機(jī)床 P800M型并聯(lián)運(yùn)動(dòng)機(jī)床的內(nèi)部結(jié)構(gòu)型并聯(lián)運(yùn)動(dòng)機(jī)床的內(nèi)部結(jié)構(gòu)示意圖示意圖數(shù)控雕刻機(jī) 數(shù)控火焰切割機(jī)切割形狀：可編程切割直線和圓弧構(gòu)成的任

2、意平面形狀鋼板零件 數(shù)控測(cè)量機(jī) 數(shù)控繪圖機(jī) 數(shù)控插件機(jī) 電腦繡花機(jī) 數(shù)數(shù)控控車車床床數(shù)控雕刻機(jī)床數(shù)控雕刻機(jī)床三座標(biāo)測(cè)量機(jī)三座標(biāo)測(cè)量機(jī)數(shù)控電火花成型機(jī)數(shù)控電火花成型機(jī)快速成型設(shè)備快速成型設(shè)備數(shù)控多工位沖床數(shù)控多工位沖床數(shù)控雕刻機(jī)床數(shù)控雕刻機(jī)床CNC系統(tǒng)的優(yōu)點(diǎn)柔性強(qiáng)可靠性高易于實(shí)現(xiàn)多功能復(fù)雜程序控制具有較強(qiáng)的網(wǎng)絡(luò)通信功能具有自診斷功能常用術(shù)語NC (Numerical Control)數(shù)字控制NCS (Numerical Control System)數(shù)控系統(tǒng)CNC (Computer Numerical Control)計(jì)算機(jī)數(shù)控系統(tǒng)MDI (Manual Data Input)手動(dòng)數(shù)據(jù)輸入PL

3、C (Programmable Logical Control)可編程序控制器FMC (Flexible Manufacturing cell)柔性制造單元FMS (Flexible Manufacturing system)柔性制造系統(tǒng) 機(jī)械英語看幾個(gè)句子Aluminum and zinc alloys are used to manufacture gears by the diecasting process. alloys合金Diecasting 壓鑄 process 進(jìn)程Diecasting process 模鑄法鋁和鋅的合金用來在模鑄法中制造齒輪鋁和鋅的合金用來在模鑄法中制造齒輪

4、注意用機(jī)械語言The copper alloys, known as bronzes, are perhaps the most widely used. copper 銅bronzes青銅 銅合金，比如青銅，可能是應(yīng)用最廣泛的合銅合金，比如青銅，可能是應(yīng)用最廣泛的合金。金。 Copper, zinc, aluminum, and titanium are materials used to obtain alloys that are useful gear materials 銅、鋅、鋁和鈦是經(jīng)常使用在齒輪銅、鋅、鋁和鈦是經(jīng)常使用在齒輪材料中的合金金屬。材料中的合金金屬。 常用的單詞1Ge

5、ar 齒輪 a gear wheel Bearing 軸承Shaft 軸a shaft Thread 螺紋screw螺釘the thread of a screw Belt Drive帶傳動(dòng)Bolt螺栓a (screw) bolt Nut螺母a (screw) nut 常用的單詞1Machine Tool 機(jī)床machine tools Metal金屬metal(s) Alloy合金Metallurgy alloy Heat Treatment熱處理Casting鑄造Forging鍛造Mold模具Lathe車床Milling Machine銑床作業(yè)Flame hardening and induction hardening are the methods usually used to harden larger gears. Nonferrous Metals Gears have been manufactured of nonmetallic materials for many years. Case hardening i