本次设计首先,通过对电火花线切割机床中走丝系统结构及原理进行分析,在此分析基础上提出了总体结构方案;接着,对主要技术参数进行了计算选择;然后,对各主要零部件进行了设计与校核;最后,通过AutoCAD制图软件绘制了走丝系统装配图及主要零部件图。通过本次设计,巩固了所学专业知识,如:机械原理、机械设计、材料力学、公差与互换性理论、机械制图等;掌握了普通机械产品的设计方法并能够熟练使用AutoCAD制图软件,对今后的工作于生活具有极大意义。
关键词:线切割,走丝系统,储丝筒,同步带
Abstract
With the developme
nt of the mold i
ndustry, the proportio
n of precisio
n molds ma
nufacturi
ng is getti
ng bigger, the urge
nt requireme
nt WEDM
not o
nly to speed quickly, a
nd have comparatively good surface quality a
nd high precisio
n. The desig
n focused o
n WEDM go wire system desig
ned to go wire system mai
nly co
nsists of the package a
nd make dual storage reservoir wire drum rotatio
n two motor. The desig
n is first, through the WEDM go wire system structure a
nd pri
nciple of a
nalysis prese
nted i
n this a
nalysis, based o
n the overall structure of the program; the
n, the mai
n tech
nical parameters were calculated selectio
n; the
n, for each major zero compo
ne
nts desig
n a
nd verificatio
n; a
nd fi
nally, through the AutoCAD drawi
ng software to draw a walk wire system assembly drawi
ngs a
nd major compo
ne
nts Fig. Through this desig
n, the co
nsolidatio
n of the u
niversity is the professio
nal k
nowledge, such as: mecha
nical pri
nciples, mecha
nical desig
n, mecha
nics of materials, tolera
nces a
nd i
ntercha
ngeability theory, mecha
nical drawi
ng a
nd the like; mastered the desig
n of ge
neral machi
nery products a
nd be able to skillfully use AutoCAD mappi
ng software o
n the future work of great sig
nifica
nce i
n life. Keywords: Li
ne cutti
ng, Wire walki
ng system, Storage wire tube, Belt 第一章绪论 1.1电火花切割机的概念及分类 1.1.1电火花切割机的概念 1960年,苏联首先研制出靠模线切割机床。中国1961年也研制出类似的机床。早期的线切割机床采用电气靠模控制切割轨迹。当时由于切割速度低,制造靠模比较困难,仅用于在电子工业中加工其他加工方法难以解决的窄缝等。1966年,中国研制成功采用乳化液和快速走丝机构的高速走丝线切割机床,并相继采用了数字控制和光电跟踪控制技术。此后,随着脉冲电源和数字控制技术的不断发展以及多次切割工艺的应用,大大提高了切割速度和加工精度。工件安装在工作台上,工作台通常由X轴和Y轴电动机驱动。工具电极为直径0.02~0.3毫米的金属丝,由走丝系统带动电极丝沿其轴向移动。走丝方式有两种:①高速走丝,速度为9~10米/秒,采用钼丝极丝,可循环反复使用;②低速走丝,速度小10米/分,电极丝采用铜丝,只使用一次。脉冲电源加在工件与电极丝之间,一般工件接正极,电极丝接负极。工件与电极丝之间用喷嘴喷入工作液(乳化液、去离子水等)。控制系统根据预先输入的工作程序输出相应的信息,使工作台作相应的移动,工件与电极丝靠近。
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nt of the mold i
ndustry, the proportio
n of precisio
n molds ma
nufacturi
ng is getti
ng bigger, the urge
nt requireme
nt WEDM
not o
nly to speed quickly, a
nd have comparatively good surface quality a
nd high precisio
n. The desig
n focused o
n WEDM go wire system desig
ned to go wire system mai
nly co
nsists of the package a
nd make dual storage reservoir wire drum rotatio
n two motor. The desig
n is first, through the WEDM go wire system structure a
nd pri
nciple of a
nalysis prese
nted i
n this a
nalysis, based o
n the overall structure of the program; the
n, the mai
n tech
nical parameters were calculated selectio
n; the
n, for each major zero compo
ne
nts desig
n a
nd verificatio
n; a
nd fi
nally, through the AutoCAD drawi
ng software to draw a walk wire system assembly drawi
ngs a
nd major compo
ne
nts Fig. Through this desig
n, the co
nsolidatio
n of the u
niversity is the professio
nal k
nowledge, such as: mecha
nical pri
nciples, mecha
nical desig
n, mecha
nics of materials, tolera
nces a
nd i
ntercha
ngeability theory, mecha
nical drawi
ng a
nd the like; mastered the desig
n of ge
neral machi
nery products a
nd be able to skillfully use AutoCAD mappi
ng software o
n the future work of great sig
nifica
nce i
n life. Keywords: Li
ne cutti
ng, Wire walki
ng system, Storage wire tube, Belt 第一章绪论 1.1电火花切割机的概念及分类 1.1.1电火花切割机的概念 1960年,苏联首先研制出靠模线切割机床。中国1961年也研制出类似的机床。早期的线切割机床采用电气靠模控制切割轨迹。当时由于切割速度低,制造靠模比较困难,仅用于在电子工业中加工其他加工方法难以解决的窄缝等。1966年,中国研制成功采用乳化液和快速走丝机构的高速走丝线切割机床,并相继采用了数字控制和光电跟踪控制技术。此后,随着脉冲电源和数字控制技术的不断发展以及多次切割工艺的应用,大大提高了切割速度和加工精度。工件安装在工作台上,工作台通常由X轴和Y轴电动机驱动。工具电极为直径0.02~0.3毫米的金属丝,由走丝系统带动电极丝沿其轴向移动。走丝方式有两种:①高速走丝,速度为9~10米/秒,采用钼丝极丝,可循环反复使用;②低速走丝,速度小10米/分,电极丝采用铜丝,只使用一次。脉冲电源加在工件与电极丝之间,一般工件接正极,电极丝接负极。工件与电极丝之间用喷嘴喷入工作液(乳化液、去离子水等)。控制系统根据预先输入的工作程序输出相应的信息,使工作台作相应的移动,工件与电极丝靠近。
作品编号:
309283
文件大小:
3.99MB
下载积分:
2000
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doc文件3个,dwg文件7个,exb文件7个
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