外文翻译-电主轴的机械设计

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毕业设计（论文）外文参考文献翻译

机械工程系（院） 20 08 届

题目（中文）电主轴的机械设计

（英文）the mechanic designs of electric spindles

学生姓名

专业班

完成日期： 2008 年 3 月 23 日

1.电主轴技术水平分析………………………………………………

（8）

2. 高速电主轴单元…………………………………………………（1

4）

The electrical technical level of main shaft is analysed

Abstract: Electrical main shaft is the processing machine tool of numerical

control " heart parts ", this paper has introduced typical structure and

the working principle of electrical main shaft , has elaborated the crucial

technology of electrical main shaft , has summarized it to develop

tendency.

Keyword: The electrical porcelain ball of main shaft mix the bearing

lubrication of oil gas

1, it is general to state the processing quality that can not only raise

processing efficiency substantially because of high speed processing and

can still raise workpiece apparently, so, its application field is very

extensive , is especially in aerospace , the manufacturing industries such

as automobile and mould in. It is spoilt recently that so, the machine tool

of numerical control that has high speed process capability has become

market. Now, the domestic and international each famous manufacturer of

machine tool adopts the electrical structure of main shaft extensively in

the machine tool of numerical control , is especially being compound to

process machine tool and much axle to unite to move , polyhedron processing

machine tool and the machine tool of parallel connection in. Electrical

main shaft is the processing machine tool of numerical control " heart

parts ", its performance index direct decision the level of machine tool,

it is that machine tool realizes basic condition and the prerequisite of

high speed processing.

2 the working principle electrical main shaft of the working principle,

typical structure and 2.1 advantage electrical main shafts of electrical

main shaft is the direct motor rotor of be hollow pack in main shaft on,

stator knows super-cooling but cover fixes , form a complete unit of main

shaft in the casing hole of main shaft, after starting eclectricity rotor

directly drive the operation of main shaft.

The typical structural layout way of the typical structural electrical unit

of main shaft of 2.2 electrical main shafts is that generator sets up

before main shaft , rear axle Cheng between ( as picture show ), its

advantage is that the axial size of the unit of main shaft is the big,

medium-sized machine tool of numerical control short comparatively, the

rigidity of main shaft big, power suits comparatively; It is insufficient

to be the naturally scattered hot condition in the generator in the casing

of main shaft that encloses to differ from , has higher temperature rise.

The 1 casings of main shaft the 2 cooling sets of 3 4 5 import stator

rotors of cooling water the 6 sets of 7 8 9 10 former 11 can export

feedback installation bearing rear axles of cooling water of runner shaft

of main shaft of main shaft Cheng the advantage electrical province of main

shaft of 2.3 electrical main shafts have gone to take ship or positive

drive, the 0 transmissions that have realized machine tool have raised

transmission efficiency. The rigidity of electrical main shaft good, rotary

precision is sex high respond fast good, can realize very high rotational

speed and add and slow down degree and decide angle stop fast definitely

( C axle control ), the scope of speed adjustment is wide.

3, the crucial technical concept of " electrical main shaft " of electrical

main shaft should not be simple to understand for the merely a sleeve of

main shaft , and should be a set of assembly, include: Stator, rotor,

bearing, the high speed installation of frequency conversion and

lubrication install and cool installation. Therefore electrical main shaft

is the with high speed bearing technical, lubrication technical, cooling

technical technical, precise production of dynamic balancing with the

technologies such as assembly technology as well as generator high speed

drive synthesize to utilize.

The with high speed bearing technology of 3.1 electrical main shafts

realizes the electrical high speed of main shaft to melt, is precise and

crucial to be the application of high speed precise bearing. Now the

bearing that applied in high speed precise electrical main shaft have

precise roll bearing and liquid movement press bearing and gas press

bearing and magnetic suspension bearing quietly, but it is precise angle

contact porcelain ball bearing and precise cylinder roller bearing mainly.

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摘要：

毕业设计（论文）外文参考文献翻译机械工程系（院）2008届题目（中文）电主轴的机械设计（英文）themechanicdesignsofelectricspindles学生姓名专业班完成日期：2008年3月23日目录1.电主轴技术水平分析………………………………………………（8）2.高速电主轴单元…………………………………………………（114）TheelectricaltechnicallevelofmainshaftisanalysedAbstract:Electricalmainshaftistheprocessingmachinetoolofnumericalcontrol"heartpa...

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