毕业论文-普通车床Z轴进给数控化改造设计（可编辑）.docVIP

毕业论文-普通车床Z轴进给数控化改造设计 ABSTRACT? Most?enterprises?still?have?large?amounts?general-purpose?machine?tools?which?have?longevity?of?service,?low?precision,?can?not?adapt?to?mass?production,?low?automatization?and?adaptability,?but?can?not?be?washed?out?because?of?its?low?cost?and?continuity?of?enterprise’s?production. As?a?representative?production?of?mechanical,?electronic,?hydraulic?and?pneumatic?integration,?numerically?controlled?machines?have?a?stabilization?quality?and?high?efficiency,?and?can?solve?problems?such?as?complex?structure,?high?precision,?mass?production,?part?variety?in?machining Purchasing?new?numerically?controlled?machines?is?an?important?way?to?improve?production?precision?and?efficiency,?but?it?may?not?come?true?to?many?enterprises?because?it?cost?much.?Enterprises’?equipment?updating?step?are?counteracted?severly.?So?General?lathes?numerically?controlled?reforming?is?a?quick?way?that?costs?less,?improve?production?precision?and?efficiency,?and?it?can?improve?enterprises’?competitive?power.?So?it?can?takes?its?place?in?our?way?to?a?powerful?manufacturing?country.?The?main?contents?is:? 1.?The?economical?efficiency?of?the?reform?is?evaluated?in?detail?and?the?reforming?scheme?is?maked?according?to?misty?optimum’s?synthesize?adjudicate?principle 2.Theballscrews?type,?assembling,?supporting,?bearing?type,?and?stepping?motorof?feeding?system?is?designed 3.?The?import?and?domestic?NC?systems?were?compared?carefully,?brought?up?a?choose?method?and?selected?the?NC?system?and?automatic?tool?rest?according?to?the?function?and?accuracy?index?of?reforming 4.?The?complete?electricity?control?diagram?was?drawn?out?according?to?the?result?of?comparing?CA6140s?electricity?control?system?and?principle?with?the?reforming?CJK6140-A’s?NC?system 5.?In?order?to?protect?the?function?of?cutting?a?screw?,we?carefully?studied?the?impulse?regulator?an