Izizathu kunye nezisombululo zokungcangcazela okunamandla kwesikrini esingcangcazelayo
1, Ukungcangcazela kwe-Eccentric ye-exciter
Amandla e-centrifugal eveliswa bubunzima be-eccentric ngexesha lokusebenza kwe-vibration exciter iya kugoba i-shaft eccentric, ebangela ukuphambuka okuhambelanayo kwendandatho yangaphakathi kunye nendandatho yangaphandle yokuthwala. I-eccentricity iya kuvelisa i-vibration ebangelwa ukujikeleza rhoqo kunye ne-harmonic frequencies.
Ke ngoko, amandla e-inertia kunye nesibini esine-inertia esiveliswe ngexesha lomsebenzi siya kubangela amandla okuphendula okuguquguqukayo kunye nokungcangcazela kokuthwala, konakalise ukusebenza okuzinzileyo kokuthwala kunye nezinye iindawo, kwaye kuvelise i-vibration ephezulu-frequency. Xa i-vibration ye-vibration frequency ye-vibrating screen exciter ifana nokuphindaphinda kwendalo kwinqanaba elithile le-elastic vibration yebhokisi yesikrini sesixhobo, iya kubangela ukungcangcazela okunamandla kwebhokisi yesikrini ye-elastomer yesikrini sokungcangcazela.
Zombini i-drive shaft kunye ne-drive shaft systems ye-bearing ine-resonance frequency yexabiso elithile. Ukuba ezinye iifrikhwensi ezinomdla zisondele kwiresonance frequency, i-resonance iyenzeka. Ukongeza, ngenxa yobukho be-centrifugal inertial force kwi-eccentricity, i-vibration egoba iya kwenzeka. Ukuba isantya sisondele kwixabiso elibalulekileyo, i-resonance yokugoba iya kwenzeka.
2, Ukukhutshwa kweRadial yokuthwala
Iziphumo zovavanyo lwe-shale shaker zibonisa ukuba i-radial clearance encinci kakhulu okanye inkulu kakhulu iya kubangela ukungcangcazela okukhulu kwenkqubo yokuthwala. Xa i-radial clearance incinci kakhulu, iya kubangela ukungcangcazela kwe-high-frequency vibration; Xa i-radial clearance inkulu kakhulu, iya kubangela ukungcangcazela kwe-low-frequency vibration.
Ukuba i-radial clearance inkulu kakhulu, i-radial frequency natural ye-bearing elastic system iya kuncitshiswa, kwaye i-resonance iya kwenzeka ngokulula, eya kuvelisa i-vibration enkulu ye-low-frequency vibration. Ngoko ke, ukukhutshwa kwe-radial kukhulu, okwenza ukuba ukuthwala kushukume kwi-passband.
3, ukuchaneka kwejometri yokuthwala
Ukuba amandla anomdla esikrini sokungcangcazela makhulu kakhulu, ibheriyali iya kuba namandla amakhulu kakhulu e-radial, ngoko ke ukungcangcazela okunamandla kuya kwenzeka. Xa indlela yokugijima, ingakumbi ukujija kumphezulu wento eqengqelekayo, inempembelelo enkulu ekungcangcazeleni kwebheriyali, intshukumo ehambelanayo yesithuba phakathi kwento eqengqelekayo kunye nekheyiji kunye nomphezulu oqengqelekayo weendandatho zangaphakathi nezangaphandle kuya kubangela ukungcangcazela kwebheriyali. Ke ngoko, ukunciphisa ukungcangcazela kwebheriyali, ukuchaneka kokucubungula umphezulu wento eqengqelekayo kufuneka kuphuculwe kuqala.
4. Ukuthwala ingxabano kunye nokuthambisa
Ukuthwala ngowona mthombo wokungcangcazela kunzima ukuwulawula kwishale shaker. Ekubeni i-shale shaker isebenza ngamandla amakhulu okuvuselela, ukuthwala kuya kubandezeleka kumandla amakhulu emitha. Ukuba i-lubrication ihlwempuzekile, kuya kubakho ukungqubuzana okukhulu, okuya kwenza ukuba ubushushu obuthwele bunyuke ngokukhawuleza kwaye buphakame kakhulu, kunye nokwandiswa kwe-thermal kukhulu kakhulu, okuya kunciphisa kakhulu ukukhutshwa kwe-radial, kwaye kwandise ukukhuhlana, okuya kwandisa ngakumbi ubushushu.
5. Ukufakwa kweringi yangaphandle kunye nomngxuma oxhasayo
Ukuba ukulingana kuqinile, kuya kunyanzela indlela yomdyarho ukuba igqwese, yandise impazamo yokumila, kwaye ikhokelele ekwandeni kokungcangcazela. Ukulungelelaniswa okukhululekile kunokubangela ukuba ifilimu yeoli kwindawo yokucima ithintele. Xa iipropati eziphathekayo zemingxuma exhasayo yendandatho yangaphandle kunye nesihlalo sokuthwala sihluke kakhulu, ngakumbi xa i-rubber damping rings ibekwe phakathi kwabo, ukuhanjiswa kwe-vibration kuya kuthintelwa.
