Ua lag ua luam, Kev lag luam
Hydraulic xovxwm - los ntawm lub tswv yim lub peev xwm ntawm 1,000 tons
Cov hydraulic xovxwm hauj lwm ua tsaug rau ib tug tseem ceeb heev yam ntxwv zoo tib yam dej. Nws yog heev tsis zoo compressed, ces thaum nws yog muab tso rau hauv ib lub txog ntsha muaj ib tug raug kaw phab ntsa, nws niamntiav rau lawv nyob rau hauv tag nrho cov lus qhia rau hauv tib lub siab. Tab sis, yog hais tias xws li ib tug txog ntsha uas muaj cov dej, yog txawm peem rau nrog ob tug pistons, nyob rau hauv ib tes - ib tug me me, nyob rau lwm yam - ib tug loj, ces txhaj rau cov me nrog ib co kev quab yuam, nws yog ib qho yooj yim mus nyem los yog tuaj tos tus thib ob. Qhov ntau dua qhov txawv ntawm lawv cov chaw, ntau dua qhov lub feem quab yuam yuav tsub kom. Cov nyhuv no yog tag nrho cov ua hydraulic presses thoob ntiaj teb.
Tus foundations ntawm no kev sib raug zoo yog Pascal, tab sis nws tsis muaj ib tug yuav coj kom zoo dua ntawm lub sij hawm nws lub neej. Tom qab nws tuag, ib tug treatise nyob rau hydrostatic siab tau tso tawm, thiab los ntawm nws raws li hais tias cov me me piston nyob rau hauv ib tug kaw txog ntsha nrog dej tshuaj los ntawm lub dag zog ntawm ib tug neeg muaj peev xwm sib npaug piston yog ib puas lub sij hawm loj, yog hais tias nws yuav nias cia li muaj ib puas neeg. Kuv nyiam lub tswv yim ntau npaum li cas, tab sis los ua ib tug hydraulic xovxwm rau ib ntev lub sij hawm tsis muaj ib tug yuav.
Ib Puas Xyoo inventors struggled nrog cov tshuaj ntawm qhov teeb meem no, tab sis nyob rau hauv tsis muaj tej yam, tsis muaj ib tug yuav tau txais lub meej meej mom ntawm cov dej system, vim hais tias raws li sai li lub siab nyob rau hauv nws tsub kom, cov kua pib paim quav thiab voltage los txhawb cov kev taw qhia siab twb ploj lawm. Tsuas yog nyob rau thaum xaus ntawm lub XVIII xyoo pua, Henry Qauv invented sealing txheej rau lub pistons. Txij thaum ntawd los thiab hnub no nws yog pom tias yuav muaj tseeb, uas tsis muaj nws invention yuav muaj mus txog tam sim no, tsis muaj ib tug, thiab tsis tau tsim ib tug hydraulic xovxwm. Cov ntaub ntawv tam sim ntawd tuaj tawm ntawm lub impasse, thiab tau pib tsim.
Txawm li cas los, hydraulic presses loj loj hwj chim rau hlau thiab tshwm sim xwb nyob rau hauv nruab nrab ntawm lub XIX caug xyoo. Qhov no yog lub era ntawm loj loj forging teb, li ntawd, nws coj ib tug haib hammers. Kev loj hlob ntawm mechanical engineering tau tsa sai kev loj hlob, cov kev taw qhia tshiab technology, thiab ntau factories twb pib mus thov Stamping, heev nrov chav rauj, uas ib puas thiab nees nkaum tons.
Ob xyoos tom qab, nws tsim tau nthuav tawm ntawm lub exhibition nyob rau hauv London, uas tau muab impetus mus rau lub creation ntawm txawm ntau haib pistons thoob ntiaj teb. Nws los ua ib tug zoo heev xovxwm Whitworth - menyuam kawm ntawv G. qauv uas yuav ntaug cov khoom ncaj qha los ntawm cov hlau tuav. Hloov rauj hydraulic xovxwm, nws tau ua teeb meem loj txo tau tus nqi ntawm ntau lawm, thiab qhov no nyob rau hauv lem coj mus rau lub Modernization ntawm ntau lub tshuab-tsev cov nroj tsuag, nyob qhov twg chav hammers pib mus pov tseg thiab hloov lawv nrog hydraulics. By pib ntawm XX xyoo pua lub hwj chim ntawm hydraulic presses tau mus txog txhiab tus tons.
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