Ana amfani da daidaitaccen mashin ɗin don siffanta ingancin samfuran, kamarCNC juya sassakumaCNC niƙa sassa, kuma kalma ce da ake amfani da ita don kimanta ma'auni na geometric na saman injina. Ana auna daidaiton injina ta hanyar juriya. Karamin darajar sa, mafi girman daidaito.
Akwai nau'ikan juriya guda 20 daga IT01, IT0, IT1, IT2, IT3 zuwa IT18, wanda IT01 yana wakiltar mafi girman daidaiton sarrafawa na sashin, IT18 yana wakiltar mafi ƙarancin daidaiton sarrafawa na ɓangaren, injin ma'adinai na IT7 na gabaɗaya, kuma gabaɗaya aikin noma ne. injina na IT8 ne. Dangane da ayyuka daban-daban na ɓangarorin samfur, daidaitattun mashin ɗin da ake buƙata don cimmawa da tsari da tsari da aka zaɓa suma sun bambanta. Wannan takarda ta gabatar da daidaiton injina na juyawa, niƙa, tsarawa, niƙa, hakowa, gundura, da sauran nau'ikan injina na gama gari.
Canjin CNC
Tsarin yankan wanda kayan aikin ke juyawa da kayan aikin juyawa yana motsawa a cikin madaidaiciyar layi ko lankwasa a cikin jirgin. Ana yin jujjuya gabaɗaya akan lathe, wanda ake amfani da shi don sarrafa filayen silinda na ciki da na waje, fuskokin ƙarewa, filaye masu juzu'i, filaye masu ƙira, da zaren kayan aiki.
Daidaiton jujjuya gabaɗaya IT8-IT7 ne, kuma ƙarancin ƙasa shine 1.6-0.8 μm.
1) Juyawa mai ƙaƙƙarfan juyawa zai ɗauki zurfin yankan babba da ƙimar abinci mai mahimmanci don haɓaka haɓakar juyi ba tare da rage saurin yanke ba. Duk da haka, daidaiton mashin ɗin zai iya isa IT11 kawai, kuma ƙarancin ƙasa shine R 20-10 μm.
2) Babban gudun, ƙarancin abinci, da zurfin yankan za a karbe shi gwargwadon yuwuwar juzu'i na ƙarewa da ƙarewa. Daidaitaccen mashin ɗin zai iya kaiwa IT10-IT7, kuma ƙarancin ƙasa shine R 10-0.16 μm.
3) Madaidaicin madaidaicin saurin juzu'i na sassan ƙarfe mara ƙarfe tare da kayan aikin jujjuya lu'u-lu'u da aka goge da kyau akan lathe madaidaici na iya sa daidaiton injin ɗin ya kai IT7-IT5, kuma ƙarancin saman shine R α 0.04-0.01 μ m. Irin wannan juyi ana kiransa "juyawan madubi."
CNC Milling
Milling yana nufin jujjuya kayan aikin gefuna masu yawa don yanke kayan aiki, hanya mai inganci sosai. Ya dace da machining jirage, tsagi, filaye daban-daban (kamar spline, gear, da zaren), da keɓaɓɓen saman matattun. Ana iya raba shi zuwa niƙa na gaba da jujjuya niƙa bisa ga wannan ko gaba da gaba na babban saurin motsi da jagorar ciyarwar workpiece yayin niƙa.
Daidaiton machining na niƙa na iya kaiwa ga IT8 ~ IT7 gabaɗaya, kuma ƙarancin ƙasa shine 6.3 ~ 1.6 μm.
1) A machining daidaito a lokacin m milling ne IT11 ~ IT13, da kuma surface roughness ne 5 ~ 20 μ m.
2) Machining daidaito IT8 ~ IT11 da surface roughness 2.5 ~ 10 a Semi-daidaici milling μ m.
3) A machining daidaito a lokacin daidaici milling ne IT16 ~ IT8, da kuma surface roughness ne 0.63 ~ 5 μ m.
Tsara
Tsare-tsare hanya ce ta yankewa wacce ke amfani da na'ura don yin motsi mai jujjuyawar dangi a kwance akan kayan aikin, galibi ana amfani da shi don sarrafa sassan sassa.
Daidaiton machining na planing na iya kaiwa ga IT9 ~ IT7 gabaɗaya, kuma ƙarancin ƙasa shine Ra6.3 ~ 1.6 μm.
1) Roughing machining daidaito iya isa IT12 ~ IT11, da kuma surface roughness ne 25 ~ 12.5 μ m.
2) A Semi-kammala machining daidaito iya isa IT10 ~ IT9, da kuma surface roughness ne 6.2 ~ 3.2 μ m.
3) Madaidaicin ƙaddamarwa na gamawa zai iya isa IT8 ~ IT7, kuma ƙarancin ƙasa shine 3.2 ~ 1.6 μ m.
Nika
Nika yana nufin hanyar sarrafawa ta amfani da kayan aikin abrasive da abrasive don yanke abubuwan da suka wuce gona da iri akan kayan aikin, wanda na gamawa kuma ana amfani dashi sosai a cikin masana'antar masana'anta.
Yawancin lokaci ana amfani da niƙa don kammalawa da ƙarewa, tare da daidaiton IT8 ~ IT5 ko ma mafi girma, kuma ƙarancin ƙasa gabaɗaya 1.25 ~ 0.16 μm.
1) A surface roughness na daidaici nika ne 0.16 ~ 0.04 μ m.
2) matsananci-daidaici nika surface roughness ne 0.04-0.01 μ m.
3) Ƙaƙƙarfan ƙarancin madubi na niƙa zai iya kaiwa 0.01 μ M a ƙasa.
Yin hakowa
Hakowa hanya ce mai mahimmanci ta sarrafa rami. Ana yin hakowa sau da yawa akan hakowa da lathes ko na'ura mai ban sha'awa ko niƙa.
Machining daidaito na hakowa ne in mun gwada da low, kullum kai IT10, da kuma surface roughness ne gtypically12.5 ~ 6.3 μ m. Bayan hakowa, ana amfani da reaming da reaming sau da yawa don kammala rabin-ƙasa.
M
Ban sha'awa tsari ne na yanke diamita na ciki wanda ke amfani da kayan aiki don faɗaɗa rami ko wasu madauwari madauwari. Kewayon aikace-aikacen sa gabaɗaya daga injina mai ƙarancin ƙarfi zuwa ƙarewa. Kayan aiki yawanci kayan aiki maras ban sha'awa ne mai gefe guda (wanda ake kira mashaya mai ban sha'awa).
1) A m daidaito na karfe kayan iya kullum isa IT9 ~ IT7, da kuma surface roughness ne 2.5 ~ 0.16 μ m.
2) A machining daidaito na madaidaicin m iya isa IT7 ~ IT6, da kuma surface roughness ne 0.63 ~ 0.08 μ m.
Lokacin aikawa: Nuwamba-22-2022