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本文導(dǎo)讀目錄：

1、機(jī)械專業(yè)英語(yǔ)在線翻譯1

2、機(jī)械專業(yè)英語(yǔ)對(duì)照漢語(yǔ)的文章1

3、機(jī)械中什么叫做工藝 什么叫工序 什么是沖壓 冷熱沖壓有何區(qū)別 軋鋼是什么 用什么工具1

機(jī)械專業(yè)英語(yǔ)在線翻譯1 ♂

機(jī)械專業(yè)英語(yǔ)在線翻譯

Electric hoist bridge crane is a small light lifting equipment. Gourd with small size, light weight, simple operation, easy-to-use features such as for industrial and mining enterprises, storage terminals and other places.By electric hoist motor, drive mechanism and the composition of drum or sprocket can be used alone can also be assembled together with the car flying in the use of a crane beam, LH electric double-beam bridge crane hoist with the traditional double-beam bridge crane is the difference between electric hoist drum to replace the small car, motor. Reducers, brakes and other lifting devices. This article mainly deals with electric hoist bridge crane to do the main body of analysis and calculation, including the electric hoist lifting body, and the operation of car bodies.

機(jī)械專業(yè)英語(yǔ)對(duì)照漢語(yǔ)的文章1 ♂

機(jī)械專業(yè)英語(yǔ)對(duì)照漢語(yǔ)的文章

Three crossflow (No.1-No.3) dryers were tested. Dyer No.1 contains two crossflow columns, each column consists of two drying sections, one turn-flow device and a cooling section, and with a grain column thickness in the upper drying section of 0.277m and 0.304m in the lower section. The dimensions of dryer No.1 are 6.517m×3.400m×13.482m. No.2 dryer is similar to No.1, but is smaller and has a lower capacity. No.3 is a cylindrical crossflow dryer with two drying sections, one turn-flow device and a cooling section.

The mixed-flow dryer (No.4) is composed of eight modular sections. Each module has dimensions of 1.8m×1.0m×0.8m. The tow bottom modules serve as cooling stage. Dryer No.5 consists of two mixed-flow drying towers in series, similar in design as dryer No.4.

Dryers No.6-No.10 are concurrent-/counter-flow dryers, consisting of two or more towers. The number in front of “-CCF” indicates the number of towers. Each tower has two counter-/concurrent-flow drying sections. The last tower, or part of the last tower, is used for cooling. The depth of the counter-/concurrent-flow beds is 0.6m, the cross-sectional area of each tower is 2.2m×2.2m. It should be noted that overseas CCF dryers do not have counter-flow drying stages, only a counter-flow cooling stage.

The steam dryer is a unique dryer widely used in grain depots in China. It consists of 3-6 indoor drying and cooling towers, and a boiler. Each tower contains in its upper section a series of steam pipes, and in its lower section a number of inlet/outlet air ducts. The grain is heated by conduction as it flow over the steam-heated pipes, and is subsequently treated with ambient or slightly-heated recycled drying-air. The steam pressure in the pipes is 2×105Pa--4×105Pa (130-140℃), the diameter of the pipes is 42-48mm, and the distance between pipes is 110-120mm. The grain retention time is long (4-6 hours for 10-point moisture removal) due to the relatively low grain temperature.

Sun drying is still the main method of grain drying in China. Almost every village or depot has a special area for the sun drying of grains. The grain is spread out in 5-10cm thin layer and is stirred occasionally. In Northeast China where the ambient temperature is very low when maize is harvested, sun drying is a very slow process.

三橫(一號(hào)至三號(hào))烘干設(shè)備進(jìn)行了測(cè)試. 戴先生no.1包含兩個(gè)橫欄,每欄分為兩部分干燥, 一轉(zhuǎn)流器及冷卻段, 與糧食柱厚度在上部干燥部分0.277m和0.304m在下游. 尺寸干燥器一號(hào)是6.517m×3.400m×13.482m. 二號(hào)烘干機(jī)相似一號(hào),但規(guī)模較小,具有容量較低. 第三是橫向圓筒烘干機(jī)烘干兩部分,一部分是轉(zhuǎn)流裝置和冷卻段. 混流式干燥機(jī)(四號(hào))是由八個(gè)單元章節(jié). 每個(gè)單元尺寸1.8×1.0×0.8米. 拖車底部模塊作為冷卻階段. 干燥器no.5分為兩個(gè)混流干燥塔系列,類似的設(shè)計(jì)作為烘干四號(hào). 干衣no.6-no.10都是concurrent-/counter-flow烘干機(jī),由兩個(gè)或兩個(gè)以上的彈孔. 數(shù)年前的"框架",表明了很多水塔. 每個(gè)塔有兩個(gè)counter-/concurrent-flow曬路段. 最后塔,或部分上塔,是用于冷卻. 有深度的counter-/concurrent-flow病床0.6m,橫截面的每個(gè)塔有2.2m×2.2m. 應(yīng)當(dāng)指出,海外ccf干衣沒(méi)有反流干燥階段,只有一個(gè)反流冷卻階段. 蒸氣烘干是一個(gè)獨(dú)特的烘干機(jī)廣泛用于糧庫(kù)中. 它由3-6室內(nèi)干燥,冷卻水塔,一臺(tái)鍋爐. 每個(gè)塔載在其上部一系列的蒸汽管道, 而在其下游的一系列進(jìn)/出水口風(fēng)筒. 谷物的熱傳導(dǎo),因?yàn)樗髁苏羝訜峁? 并隨后處理空氣或微循環(huán)加熱干燥的空氣. 蒸汽壓力管道2×105pa--4×105pa(130-140℃),直徑較小的管材是42-48mm, 之間的距離和管道是110-120mm. 糧食停留時(shí)間很長(zhǎng)(4-6小時(shí),10點(diǎn)去濕)由于相對(duì)較低的糧食溫度. 晾曬仍然是主要的方法谷物干燥中. 幾乎每一個(gè)村或倉(cāng)庫(kù)具有特殊的地區(qū),以供晾曬谷物. 糧食是分布在5-10cm薄層,偶爾攪拌. 在東北那里的氣溫很低,當(dāng)玉米收割, 太陽(yáng)曬是一個(gè)非常緩慢的過(guò)程

機(jī)械中什么叫做工藝 什么叫工序 什么是沖壓 冷熱沖壓有何區(qū)別 軋鋼是什么 用什么工具1 ♂

機(jī)械中什么叫做工藝 什么叫工序 什么是沖壓 冷熱沖壓有何區(qū)別 軋鋼是什么 用什么工具

工序
一個(gè)或一組工人在同一工作地對(duì)同一個(gè)或同時(shí)對(duì)幾個(gè)工件所連續(xù)完成的那一部分工藝過(guò)程被稱為工序。
例如，
一個(gè)工人在一臺(tái)車床上完成車外圓、端面、空刀槽、螺紋、切斷；
一組工人刮研一臺(tái)機(jī)床的導(dǎo)軌；
一組工人對(duì)一批零件去毛刺。

生產(chǎn)和檢驗(yàn)原材料、零部件、整機(jī)的具體階段。
在生產(chǎn)過(guò)程中，直接改變?cè)牧希ɑ蛎鳎┬螤?、尺寸和性能，使之變?yōu)槌善返倪^(guò)程，稱為工藝過(guò)程。它是生產(chǎn)過(guò)程的主要部分。例如毛坯的鑄造、鍛造和焊接；改變材料性能的熱處理；零件的機(jī)械加工等，都屬于工藝過(guò)程。工藝過(guò)程又是由一個(gè)或若干個(gè)順序排列的工序組成的。

工序是工藝過(guò)程的基本組成單位。所謂工序是指在一個(gè)工作地點(diǎn)，對(duì)一個(gè)或一組工件所連續(xù)完成的那部分工藝過(guò)程。構(gòu)成一個(gè)工序的主要特點(diǎn)是不改變加工對(duì)象、設(shè)備和操作者，而且工序的內(nèi)容是連續(xù)完成的。
沖壓工藝性是指沖壓件對(duì)工藝品的適應(yīng)性，即所設(shè)計(jì)的沖壓件在尺寸大小、尺寸精度與基準(zhǔn)、結(jié)構(gòu)形狀等是否符合沖壓加工的工藝要求。

沖壓--是在室溫下，利用安裝在壓力機(jī)上的模具對(duì)材料施加壓力，使其產(chǎn)生分離或塑性變形，從而獲得所需零件的一種壓力加工方法。
沖壓模具--在冷沖壓加工中，將材料（金屬或非金屬）加工成零件（或半成品）的一種特殊工藝裝備，稱為冷沖壓模具（俗稱冷沖模）。