Domin cimma nasarar niƙa zaren, injin ɗin dole ne ya kasance yana da alaƙar axis uku.Haɗin gwiwar helical aiki ne na kayan aikin injin CNC.Kayan aiki yana sarrafa kayan aiki don gane yanayin yanayin helical.An samar da haɗin gwiwar helical ta hanyar kewayawa na madauwari na jirgin sama da kuma motsi na linzamin daidai da jirgin.
Misali: Yanayin karkace daga aya A zuwa aya B (Hoto na 1) yana haɗe da motsin madauwari na jirgin sama na XY da motsi na layin layi na Z.
Don yawancin tsarin CNC, ana iya aiwatar da wannan aikin ta hanyar umarni guda biyu masu zuwa.
G02: Umurnin shiga tsakani na allura nan take
G03: Koyarwar da'ira ta gefen agogo
Motsin niƙan zaren (Hoto na 2) yana nuna cewa an samo shi ta hanyar jujjuyawar kayan aiki da motsin motsi na helical na injin.A lokacin interpolation na Igrid da'irori,
Yin amfani da nau'i na geometric na prop, haɗe tare da motsi na kayan aiki don matsar da farar a cikin hanyar axis Z, ana sarrafa zaren da ake buƙata.Ana iya amfani da niƙan zare
Hanyoyi guda uku masu zuwa.
① Hanyar yanke Arc
② Hanyar yanke radial
③ Hanyar shiga Tangential
① Hanyar yanke Arc
Tare da wannan hanyar, kayan aiki yana yanke cikin santsi, ba tare da barin alamar yankewa ba kuma babu girgiza, koda lokacin sarrafa kayan aiki masu wuya.Shirye-shiryen wannan hanyar ya ɗan fi rikitarwa fiye da hanyar yanke radial, kuma ana ba da shawarar yin amfani da wannan hanyar lokacin yin mashin zaren daidai.
1-2: Matsayi mai sauri
2-3: Kayan aikin yana yanke tangentially tare da ciyarwar baka, yayin da ke haɗa abincin tare da axis Z.
3-4: 360 ° cikakken da'irar don motsi interpolation na zaren, motsi axial jagora ɗaya
4-5: Kayan aikin yana yanke tangentially tare da ciyarwar baka kuma yana yin motsi tare da axis Z.
5-6: Saurin dawowa
② Hanyar yanke radial
Wannan hanya ita ce mafi sauƙi, amma wani lokacin yanayi biyu masu zuwa suna faruwa
Na farko, za a sami ƙananan alamomi a tsaye a wuraren da aka yanke da kuma yanke, amma ba zai shafi ingancin zaren ba.
Na biyu, lokacin sarrafa kayan aiki masu wuyar gaske, lokacin yankan cikin kusan cikakkun hakora, saboda haɓaka wurin hulɗar tsakanin kayan aiki da kayan aiki, abin mamaki na girgiza zai iya faruwa.Don gujewa girgizawa yayin yanke cikin cikakken nau'in haƙori, yakamata a rage adadin abinci zuwa 1/3 na isar da saƙon karkace gwargwadon yiwuwa.
1-2: Matsayi mai sauri
2-3: 360 ° cikakken da'irar don motsi interpolation na helical, jagora ɗaya don motsi axial
3-4: dawowar radial
③ Hanyar shiga Tangential
Wannan hanya ce mai sauqi qwarai kuma tana da fa'idodin hanyar yankan baka, amma kawai ya dace da niƙa na zaren waje.
1-2: Matsayi mai sauri
2-3: 360 ° cikakken da'irar don motsi interpolation na zaren, motsi axial ta jagora ɗaya
3-4: Saurin dawowa
www.anebon.com
Lokacin aikawa: Dec-01-2019