数控机床的特点--中英文翻译
毕业设计（论文）外文资料翻译
附件：1.外文原文 2.外文资料翻译译文
2014 年6月
附件一：
Characteristics of CNC machine tools
CNC machine operation and monitoring of all completed in the numerical
control unit, which is the brains of CNC machine tools. Compared with the general
machine tools, CNC machine tools has the following characteristics:
（1） high precision, stable processing quality;
（2） can be multi-axis linkage, can process complex shape parts;
（3） processing part changes, generally only need to change the NC program,
saving the production time to prepare;
（4） high precision machine tool itself, rigidity, can choose the amount of
benefit processing, production rate (usually as an ordinary machine 3 to 5 times);
（5） high degree of automation tools, can reduce labor intensity;
（6） the quality of the operators require a higher technical requirements on
higher maintenance staff.
CNC machine tools generally consists of the following components:
（1） host, he is the subject of CNC machine tools, including machine tools,
column, spindle, feed mechanism and other mechanical parts. He is used to complete
a variety of machining mechanical parts.
（2） CNC equipment, CNC machine tools is the core, including the hardware
(printed circuit boards, CRT monitors, key boxes, paper tape reader, etc.) and the
corresponding software for digital input part program, and complete the input
information storage, data transformation, interpolation operations and achieve a
variety of control functions.
（3） drive, he was the implementing agencies CNC drive components,
including the spindle drive unit, feed unit, spindle motor and feed motor. He was
under the control of the NC device electrical or electro-hydraulic servo system to
achieve through the spindle and feed drive. When several feed linkage, you can
2
complete the position, line, plane curves and space curves processing.
（4） assist device, the index control machine tools necessary supporting
components to ensure the operation of CNC machine tools, such as cooling, chip
removal, lubrication, lighting, monitoring. It consists of hydraulic and pneumatic
devices, chip equipment, pallet, NC rotary table and CNC dividing head, including
tools and monitoring detection devices.
（5） Programming and other ancillary equipment, can be used to machine the
part outside the programming and storage.
Since 1952, Massachusetts Institute of Technology developed the world since the
first CNC machine tools, CNC machine tools in manufacturing industry, especially in
the automotive, aerospace, and military industries has been widely used, digital
technology both in hardware and software have rapid development.
Classification and application of CNC machine tools
（1） use classification by technology
Metal cutting type machine tools, including CNC lathes, CNC drilling, CNC
milling, CNC grinding machines, CNC boring hair and processing center. These
machines are suitable for single pieces, small batch and multiple varieties and parts
processing, has good processing size consistency, high productivity and automation,
and high equipment flexibility.
CNC machine metal forming type; such machines, including CNC bending
machines, CNC combined punch, CNC bending machine, CNC turret press and so on.
CNC machine tools; such machines, including CNC wire (electrode) cutting
machine, CNC EDM, CNC flame cutting machines, CNC laser cutting machine,
special machine tool and so on.
Other types of numerical control equipment; non-processing equipment using
digital technology, such as automatic assembly machine, multi-coordinate measuring
machines, automatic drawing machines and industrial robots.
（2）classified according to movement pattern
Position control; point control of CNC machine tools is characterized by
moving parts of the machine can be achieved only from one location to another
precise movement and positioning of the process in motion without any processing
3
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毕业设计（论文）外文资料翻译附件：1.外文原文2.外文资料翻译译文2014年6月附件一：CharacteristicsofCNCmachinetoolsCNCmachineoperationandmonitoringofallcompletedinthenumericalcontrolunit,whichisthebrainsofCNCmachinetools.Comparedwiththegeneralmachinetools,CNCmachinetoolshasthefollowingcharacteristics:（1）highprecision,stableprocessingqual...
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作者：闻远设计
分类：非标机械电气自动化
价格：30光币
属性：9 页
大小：46KB
格式：DOC
时间：2023-06-28
