Farashin CNC

A cikin tsarin yankan, bangon bakin ciki yana da sauƙi sauƙi ta hanyar yankewa, wanda zai haifar da bayyanar oval ko "siffar kugu" tare da ƙananan tsakiya da manyan iyakar. Bugu da kari, bakin ciki-bangon busar da kais suna da haɗari ga lalatawar thermal saboda rashin ƙarancin zafi yayin aiki, kuma yana da wuya a tabbatar da ingancin sarrafa sassan. Sassan da aka nuna a cikin hoton da ke ƙasa ba kawai rashin dacewa ba ne don shigarwa da matsawa, amma har ma da wuya a sarrafa sassan da aka sarrafa. Wajibi ne don tsara wani katako na bakin ciki na musamman da kuma shasha tsaro

▌ Binciken tsari

Dangane da buƙatun fasaha da aka bayar a cikin zane, ana sarrafa kayan aikin ta bututun ƙarfe mara nauyi. Matsakaicin ramin rami na ciki da bangon waje shine Ra1.6μm, wanda za'a iya samu ta hanyar juyawa, amma cylindricity na rami na ciki shine 0.03mm, wanda ake buƙata don sassa na bakin ciki-bango Mafi girma. A cikin samar da yawan jama'a, hanyar aiwatarwa tana da nisa: babur-zafi magani-mota ƙarshen fuska-mota a waje da'irar-mota ciki-ramu-ingancin dubawa.

Tsarin "inner hole machining" shine mabuɗin sarrafa inganci. Yana da wahala a gare mu mu yanke ramin ciki ba tare da da'irar waje ba da silinda mai katanga don tabbatar da silinda 0.03mm.

▌ Mahimmin fasaha na ramin mota

Maɓalli na fasaha na juyawa rami shine don magance matsalar rigidity da guntu cire kayan aikin jujjuya ramin ciki. Don ƙara ƙaƙƙarfan kayan aikin jujjuya ramin ciki, ɗauki matakai masu zuwa:

(1) Ƙoƙarin ƙara girman yanki na mai riƙe kayan aiki, yawanci tip na kayan aikin jujjuya ramin ciki yana samuwa a saman mai riƙe kayan aiki, ta yadda madaidaicin yanki na mai riƙe kayan aiki ya ragu, ƙasa da ƙasa. fiye da 1/4 na yanki na giciye na rami, kamar yadda aka nuna a cikin hoton hagu da ke ƙasa. Idan tip na kayan aikin jujjuya ramin ciki yana kan tsakiyar layin mai riƙe da kayan aiki, za a iya ƙara girman ɓangaren yanki na mai ɗaukar kayan aiki a cikin rami, kamar haka.

(2) Tsawon tsayin ma'aunin kayan aiki ya kamata ya zama tsayin 5-8mm a matsayin tsawon aikin aikin da aka sarrafa, don ƙara ƙarfin jujjuya mai ɗaukar kayan aiki da rage girgiza yayin aiwatar da yanke.

▌ Magance matsalar cire guntu

Galibi sarrafa yanke hanyar fita. M kayan aiki mai juyayi yana buƙatar kwakwalwan kwamfuta don gudana zuwa saman don a yi amfani da su (cire guntu na gaba). A saboda wannan dalili, ana amfani da kayan aiki mai jujjuya ramin ciki tare da ingantacciyar ƙima, kamar yadda aka nuna a cikin hoton da ke ƙasa.

Lokacin da aka gama juyawa, ana buƙatar cewa kwakwalwan kwamfuta suna gudana zuwa cibiyar don karkatar da guntu gaba (cire guntun ramin rami), don haka lokacin kaifi kayan aiki, kula da jagorar niƙa na yankan, da hanyar cire guntu. karkatar da baka zuwa gaba, kamar yadda aka nuna a cikin hoton da ke ƙasa don jujjuya mai kyau Ƙungiyar wuka tana amfani da YA6, nau'in M na yanzu, wanda ya fi ƙarfin sassauƙa, juriya, tasiri mai ƙarfi, da juriya ga karfe da zafin jiki.

Lokacin kaifi, an zagaye kusurwar rake zuwa kusurwa mai siffar baka na 10-15 °, kuma kusurwar baya tana 0.5-0.8mm daga bango bisa ga mashin injin (layin ƙasa na kayan aiki yana cikin radian). kuma madaidaicin kusurwa na c shine §0.5-1. Mai gogewa a batu B na guntun guntu R1-1.5, kusurwar taimako na taimako yana ƙasa zuwa 7-8 °, kuma ma'anar AA na gefen E na ciki yana ƙasa a cikin da'irar don cire kwakwalwan kwamfuta.

▌ Hanyar sarrafawa

(1) Dole ne a yi shingen shinge kafin sarrafawa. Babban manufar shaft gadi shi ne don rufe ciki rami na bakin ciki-baren hannun riga na mota da asali size, da kuma gyara shi tare da gaba da raya cibiyoyin aiwatar da waje da'irar ba tare da nakasawa, da kuma kula da ingancin da kuma kula da ingancin da kuma raya. daidaito na waje da'irar. Don haka, sarrafa ma'aunin gadi shine mabuɗin hanyar haɗin gwiwa a cikin aiwatar da sarrafa kwandon bakin ciki.

45﹟ Carbon tsarin zagaye karfe da ake amfani da sarrafa shaft kariya blank; fuskar karshen motar, an buɗe ramukan tsakiya guda biyu masu siffar B, da'irar ta waje tana da ƙarfi, kuma gefen yana da 1mm. Bayan zafi magani, tempering da siffata, sa'an nan lafiya juya, barin wani gefe na 0.2mm ga nika. Sake dumama saman gobarar da ta karye zuwa taurin HRC50, sannan a nika shi da injin niƙa kamar yadda aka nuna a hoton da ke ƙasa. Daidaiton ya dace da buƙatun kuma za a yi amfani da shi bayan kammalawa.

(2) Domin kammala aiki na workpiece a lokaci guda, da blank rike da clamping matsayi da yankan gefe.

(3) Na farko, zafi-bi da blanks, quenching da tempering, taurin ne HRC28-30 (taurin da aiki kewayon).

(4) Kayan aikin juyawa yana ɗaukar C620. Da farko, sanya tsakiyar gaba a cikin mazugi na sandar kuma gyara shi. Don hana nakasar kayan aiki yayin danne hannun riga mai katanga, ana ƙara buɗaɗɗen madauki mai kauri, kamar yadda aka nuna a hoton da ke ƙasa.

Don kula da samar da yawan jama'a, ana sarrafa ƙarshen ƙarshen ɓangarorin bakin ciki zuwa nau'in nau'in nau'in d, mai mulkin t shine matsayi na axial clamping, da kuma bakin ciki mai bango yana matsawa don inganta ingancin rami na ciki. na mota da kula da girman. Idan akai la'akari da cewa yanke zafi yana haifar da, girman girman girman aikin yana da wuyar fahimta. Wajibi ne a zuba isasshen ruwan yankan don rage lalacewar thermal na workpiece.

(5) Matsa kayan aikin da ƙarfi tare da atomatik mai tsakiya guda uku chuck, juya ƙarshen fuska, da jujjuya da'irar ciki. Bar gefe na 0.1-0.2mm don jujjuya mai kyau, kuma maye gurbin shi da kayan aiki mai kyau don aiwatar da yanki na yanke har sai shingen tsaro ya cika buƙatun wuce kima da rashin ƙarfi. Cire kayan aikin jujjuya ramin ciki, saka shingen gadi zuwa tsakiyar gaba, yi amfani da cibiyar wutsiya don matsawa bisa ga tsayin da ake buƙata, canza kayan aikin juyawa na waje don daidaita da'irar waje, sannan gama juyawa zuwa buƙatun zane. Bayan wucewa dubawa, yi amfani da wuka mai yanke don yanke tsayi daidai da girman da ake bukata. Don sanya yankan ya zama santsi lokacin da aka cire haɗin aikin, ya kamata a ƙwanƙwasa yankan don sanya ƙarshen fuskar aikin ya zama santsi; ƙananan ɓangaren shingen tsaro za a yi ƙasa don rage ratar da aka bari ta hanyar yanke, kuma shingen tsaro shine don rage nakasar kayan aiki, hana girgiza, da kuma lokacin yanke dalilin fadowa da rauni.

Shiga wannan labarin ： Dabarun Juyawar CNC don Sassan Katanga

Bayanin Sake Buga: Idan babu umarni na musamman, duk labaran kan wannan rukunin yanar gizon na asali ne. Da fatan za a nuna tushen don sake bugawa:https://www.cncmachiningptj.com

PTJ® masana'anta ne na musamman wanda ke ba da cikakkiyar sandunan tagulla, sassan tagulla da kuma sassan jan karfe. Ayyukan masana'antu na yau da kullun sun haɗa da ɓata lokaci, ɗaukar hoto, smithing tagulla, waya edm ayyuka, etching, forming da lankwasawa, bacin rai, zafi ƙirƙira da dannawa, da huɗawa da naushi, da murɗa zare da dunƙulewa, da shewa. Multi spindle machining, extrusion da ƙirƙira ƙarfe da kuma stam. Aikace-aikace sun haɗa da sandunan bas, masu sarrafa lantarki, igiyoyi na coaxial, waveguides, abubuwan transistor, bututun microwave, bututun mold, da kuma foda metallurgy tankuna extrusion.

Faɗa mana kaɗan game da kasafin kuɗin aikin ku da lokacin bayarwa da ake tsammani. Za mu ba da dabara tare da ku don samar da mafi kyawun ayyuka masu tsada don taimaka muku cimma burin ku, Maraba ku tuntuɓe mu kai tsaye ( sales@pintejin.com ).