CNC Machine Coordinate System

Daidaita tsarin da jagorancin motsi

 1. Ka'idar ƙayyade tsarin daidaitawa

• 1) Ka'idar kayan aiki da ke motsawa dangane da kayan aiki na tsaye Wannan ka'ida ta nuna cewa ko da kuwa ko kayan aikin CNC kayan aiki ne na kayan aiki ko motsi na aiki, an rubuta shirin ne bisa yanayin yanayin kayan aiki a lokacin shirye-shirye, don haka machining na kayan aiki. na'urar CNC na'ura za a iya ƙayyade kai tsaye bisa ga mashin ɗin mashin ɗin na tsarin zane na ɓangaren.
• 2) Ma'anar daidaitattun tsarin daidaitawa Tsarin daidaitawa daidaitaccen tsarin tsarin daidaitawa shine tsarin daidaitawa na rectangular, kamar yadda aka nuna a cikin hoto 2-1-1 (a), bisa ga tsarin daidaitawa na hannun dama, babban yatsan hannu, yatsan hannu da yatsan tsakiya. na hannun dama suna wakiltar X, Y da Z bi da bi Jagoran gatura mai daidaitawa guda uku; kamar yadda aka nuna a cikin hoto 2-1-1 (b), jagorancin juyawa yana bisa ga ka'idar karkace ta hannun dama, yatsu hudu suna bin hanyar jujjuyawar axis, kuma babban yatsan yatsa da madaidaicin axis suna cikin hanya guda. a matsayin ingantacciyar jujjuyawar axis, kuma akasin haka Don jujjuyawar axis, A, B, da C a cikin adadi suna wakiltar kwatancen jujjuyawar a kusa da gatura masu daidaitawa guda uku na X, Y, da Z, bi da bi.
• 3) Ma'anar tabbatacce da korau na axis daidaitawa Hanyar da ke ƙara nisa tsakanin kayan aiki da kayan aiki an ƙayyade shi azaman jagora mai kyau na axis, kuma akasin haka a matsayin mummunan shugabanci na axis.

2. Hanyar don ƙayyade madaidaicin gatura na kayan aikin injin. 

Axis Z tana wakiltar babba shasha wanda ke watsa ikon yankewa. Axis X yana layi daya da matse jirgin saman aikin. Gabaɗaya, ana ɗaukar matsayi a kwance. A dabi'a, ana iya ƙayyade shugabanci na axis Y.

1) Lathe daidaita tsarin

Matsakaicin daidaitawar Z yana da coaxial tare da babban axis na lathe, kuma yanayin motsi na gefe na kayan aiki shine jagorar axis daidaitawar X.

2) Daidaita tsarin kayan aikin injin CNC

Tsarin daidaitawa guda biyu na kayan aikin injin CNC

CNC inji kayan aiki daidaita tsarin yana da inji kayan aiki daidaita tsarin da workpiece daidaita tsarin, wanda workpiece daidaita tsarin kuma ake kira shirye-shirye daidaita tsarin.

Tsarin daidaita kayan aikin injin 

Tsarin daidaitawa na kayan aikin injin XYZ shine tsarin daidaitawa wanda masana'anta suka kafa akan kayan aikin injin, kuma asalinsa shine ƙayyadaddun wuri akan kayan aikin injin, wanda ake amfani dashi azaman maƙasudin motsi na sassa masu motsi na kayan aikin CNC. Asalin shine haɗin gwiwar ƙarshen fuska na chuck da axis na spindle; a cikin injin milling na gaba ɗaya na CNC na tsaye, asalin shine mahaɗar matsananciyar matsayi inda sassa masu motsi ke motsawa a cikin kishiyar kwatance na haɗin haɗin X, Y, da Z, wato, bench ɗin aiki a wannan jihar A gefen hagu na gaba. .

Tsarin daidaita kayan aiki Manufar kafa tsarin daidaita tsarin aikin XpYpZp shine don dacewa da shirye-shirye. Ka'idar saita tushen tsarin daidaita tsarin aikin aikin ya kamata a zaba gwargwadon yuwuwar akan tsarin ƙira da tushen tsarin aikin. 

Jagoran tsarin daidaitawa na tsarin daidaitawa na workpiece daidai yake da jagorar tsarin daidaitawa na tsarin daidaita kayan aikin injin. A cikin lathe CNC, kamar yadda aka nuna a cikin siffa 1, asalin Op batu an saita shi gabaɗaya a tsakar ƙarshen ƙarshen ƙarshen aikin da madaidaicin sandal. A cikin injunan milling na CNC, kamar yadda aka nuna a hoto na 2, ana saita asalin axis Z akan saman saman aikin. 

Don kayan aikin asymmetric, asalin gatura na X da Y ana saita su gabaɗaya a kusurwar hagu ta gaban aikin; don madaidaicin workpieces, X Asalin axis Y gabaɗaya an saita shi a tsakar madaidaicin axis na workpiece.

Cikakken haɗin kai da dangi

1) Cikakken bayanin daidaitawa

An bayyana ƙimar haɗin kai na matsayin motsi na kayan aiki azaman nisa dangane da asalin haɗin gwiwa. Ana kiran wannan wakilcin haɗin kai cikakken wakilcin daidaitawa. Yawancin tsarin CNC suna amfani da cikakken tsarin daidaitawa tare da umarnin G90.

2) Bayanan haɗin kai na dangi

Ƙimar daidaitawa na matsayi na motsi na kayan aiki an bayyana shi azaman haɓakawa dangane da daidaitawar matsayi na baya, wato, bambanci tsakanin cikakkiyar ƙimar maƙasudin maƙasudin da madaidaicin ƙimar ma'anar yanzu.

Yawancin tsarin CNC suna amfani da umarnin G91 don nuna tsarin haɗin gwiwar dangi. Wasu tsarin CNC suna amfani da X, Y, da Z don nuna cikakkun lambobin daidaitawa, kuma U, V, da W suna nuna lambobin daidaitawa dangi. Iri biyu na shirye-shiryen bayanin haɗin kai.

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