Menene ma'auni na ƙasa don girman kewayon juriya na sassan alluran mota?
Ma'auni na ƙasa don girman kewayon juriyar juriya na sassan allura na mota shine GB/T 14486-2008 “Haƙuri na Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙaƙwalwar Filastik".Wannan ma'auni yana ƙayyadaddun jurewar juzu'i na sassa na filastik, kuma ya dace da sassa na filastik da aka yi allura, dannawa da allura.
Dangane da ma'auni na ƙasa, girman kewayon juriyar juzu'i na sassan alluran mota ya kasu zuwa maki A da B.Abubuwan buƙatun aji na A suna da girma, sun dace da daidaitattun sassan allura;Bukatun madaidaicin digiri na B ba su da ƙarfi, sun dace da sassan allura na gabaɗaya.Takamaiman kewayon haƙuri shine kamar haka:
(1) Haƙurin juzu'i na madaidaiciya:
Matsakaicin madaidaiciya suna nufin girma tare da tsayi.Don ɓangarorin gyare-gyaren allura na Class A, kewayon haƙuri na girman layin shine ± 0.1% zuwa ± 0.2%;Don ɓangarorin allura na Class B, kewayon haƙuri don ma'auni na layi shine ± 0.2% zuwa ± 0.3%.
(2) Hakuri na kusurwa:
Haƙuri na kwana yana nufin karkacewar kusurwa a cikin siffa da haƙurin matsayi.Don ɓangarorin da aka ƙera allura na Class A, Haƙurin Angle shine ± 0.2° zuwa ± 0.3°;Don ɓangarorin alluran Class B, haƙurin kusurwa shine ± 0.3 ° zuwa ± 0.5°.
(3) Juriya da tsari da matsayi:
Form da matsayi tolerances sun hada da roundness, cylindricity, parallelism, verticality, da dai sauransu. Domin aji A allura sassa, form da matsayi tolerances ana bayar bisa ga ajin K a GB/T 1184-1996 "Siffa da Matsayi Haƙuri ba a ƙayyade Haƙuri Value";Don sassan alluran aji B, ana ba da fom da haƙurin matsayi bisa ga ajin M a GB/T 1184-1996.
(4) Taushin saman:
Ƙunƙarar saman yana nufin matakin rashin daidaituwa na ƙananan ƙwararru akan saman da aka kera.Don sassan da aka ƙera allura a aji A, ƙarancin ƙasa shine Ra≤0.8μm;Don sassan aji B allurar da aka gyara, farfajiya ta rae1.2μm.
Bugu da kari, don wasu buƙatu na musamman na sassan allura na mota, kamar fakitin kayan aiki, na'urar wasan bidiyo ta tsakiya, da sauransu, buƙatun juriya na iya zama mafi girma, kuma suna buƙatar sarrafawa gwargwadon takamaiman buƙatun samfur.
A takaice, ma'auni na ƙasa don girman juriyar juriya na sassan allura na mota shine GB/T 14486-2008 "Haƙurin juzu'i na ɓangarorin filastik", wanda ke ƙayyadaddun buƙatun juriyar juzu'i, siffa da haƙurin matsayi da ƙaƙƙarfan farfajiyar filastik da aka ƙera. sassa.A cikin ainihin samarwa, ya zama dole don daidaitawa da haɓaka bisa ga buƙatun samfur da ƙirar ƙira don tabbatar da cewa sassan allurar mota sun cika buƙatun.
Lokacin aikawa: Dec-06-2023