Lub tswv yim ntawm lub tshuab txhaj tshuaj roj hmab tau thov nyob rau hauv nruab nrab -1940s; nyob rau hauv thaum ntxov 1970s, roj hmab txias-pub txhaj tshuaj pib xyaum siv nyob rau hauv kev lag luam. Vim tias nws tuaj yeem ua tiav qhov kub kub ceev vulcanization, cov khoom siv roj hmab yog preheated thiab plasticized ua ntej nkag mus rau hauv pwm kab noj hniav, thiab cov khoom yog molded thiab vulcanized nyob rau hauv lub kaw high-pressure kab noj hniav. Cov khoom lag luam zoo sib xws thiab ruaj khov, qhov loj me yog qhov tseeb, thiab nws tuaj yeem ua tiav tsis siv neeg. Piv nrog rau txoj kev tsim khoom, qhov kev ua tau zoo ntawm cov khoom tuaj yeem nce ntau tshaj kaum npaug, yog li cov cuab yeej ntawm kev tsim cov khoom molded nrog roj hmab txias pub txhaj tshuab tau siv dav.
Roj hmab txhaj tshuaj molding tshuab yog tsuas yog siv nyob rau hauv zus tau tej cov tsheb qhov chaw, industrial qhov chaw, hluav taws xob rwb thaiv tsev qhov chaw, connector sockets, seals, shock absorbing pads, shockproof npog, khau, lub raj mis stoppers, nqus hoses, sheaths, valve pads, cov khoom ua si thiab cov khoom siv qoj ib ce thiab lwm yam. Nrog rau kev txhim kho ntawm kev lag luam tsheb, cov kev xav tau zoo rau cov ntsaws ruaj ruaj, cov khoom siv hluav taws xob, kev poob siab absorbers, thiab lwm yam tau nce siab dua, thiab qhov kev thov rau cov roj hmab txhaj tshuaj flats tau nce ntau dua 12,{{3 }} sijhawm. Qhov kev xav tau ntawm kev lag luam muaj zog yog kev tsim cov tshuab txhaj tshuaj roj hmab. muab lub sijhawm.
Tam sim no, cov tuam txhab tseem ceeb ntawm cov tshuab txhaj tshuaj roj hmab hauv ntiaj teb yog: REP Tuam Txhab hauv Fab Kis, MAPLAN Lub Tuam Txhab hauv Austria, WP Lub Tuam Txhab hauv Tebchaws Yelemees, STEINL Company thiab DESMA, Matsuda Manufacturing Co., Ltd. hauv Nyiv, Kobe Machinery Co., Ltd., Sanyou Co., Ltd., thiab Nyiv Steel Works, Ltalis RUTIL tuam txhab thiab lwm yam.
Thaum ntxov xyoo 1970, Beijing University of Chemical Technology tau koom tes nrog lub Hoobkas hauv Shanghai kom ua tiav XZL-200 ntsia hlau ua ntej yas ib-kab roj hmab txhaj tshuaj molding vulcanizer. Tuam Tshoj tau import ntau lub tshuab txhaj tshuaj roj hmab los ntawm Tebchaws Europe, Amelikas, Nyiv thiab lwm lub tebchaws. Rau lub hauv paus no, cov tuam txhab tsim khoom hauv tsev, xws li Huatai, Huacheng, Huaye (tam sim no hu ua Qianpu), thiab lwm yam, kuj tau pib tsim thiab tsim cov tshuab txhaj tshuaj roj hmab.
Hom qauv ntawm cov roj hmab txhaj tshuaj molding tshuab
Muaj ntau hom roj hmab txhaj tshuaj molding tshuab. Txog tam sim no, kev txhaj tshuaj roj hmab tau dhau los ntawm peb theem: kev txhaj tshuaj plunger, ntsia hlau reciprocating txhaj tshuaj thiab ntsia hlau-plunger txhaj.
Plunger txhaj tshuaj molding tshuab
Thaum pib, roj hmab txhaj tshuaj molding siv lub plunger txhaj tshuaj molding tshuab. Txoj kev txhaj tshuaj molding yog: tom qab pub cov khoom siv roj hmab rau hauv lub thoob los ntawm qhov chaw noj mov, cov khoom siv roj hmab yog rhuab thiab plasticized los ntawm lub rhaub sab nraum lub thoob. , kom cov roj hmab nce mus txog qhov kub thiab txias uas yooj yim rau kev txhaj tshuaj tsis muaj scorch. Lub plasticized compound yog txhaj rau hauv pwm nyob rau hauv siab siab los ntawm lub plunger. Qhov tseeb, lub thoob ntawm txoj kev txhaj tshuaj no feem ntau ua lub luag haujlwm ntawm kev txhaj tshuaj, ntxiv los ntawm cua sov thiab plasticizing. Vim tias cov roj hmab yog cov khoom siv hluav taws xob tsis zoo, cov hluav taws xob hloov hluav taws xob tsawg. Yog hais tias cov roj hmab yog rhuab los ntawm tshav kub conduction, qhov kub ntawm cov roj hmab yuav nce qeeb heev, thiab cov yas yuav tsis sib npaug. Yog li ntawd, nws yog ib qho tsim nyog yuav tsum tau ua kom sov cov khoom siv roj hmab hauv lub tshuab ua kom sov ua ntej, thiab tom qab ntawd muab nws tso rau hauv lub tshuab txhaj tshuaj tom qab cov cua sov refining rau qee yam. Yog li ntawd, txawm hais tias txoj kev txhaj tshuaj molding nws tus kheej muaj cov qauv yooj yim thiab tus nqi qis, nws yuav tsum tau nruab nrog cov khoom siv hluav taws xob thiab cov roj hmab sib xyaw ua haujlwm, yog li ua rau cov khoom siv thiab kev siv zog ntawm cov neeg ua haujlwm. Dab tsi yog qhov tseem ceeb yog qhov kev ua tau zoo ntawm qhov kev txhaj tshuaj molding no tsawg. Lub inhomogeneity yuav cuam tshuam qhov zoo ntawm cov khoom.
