Ukwahluka Kwizinyathelo Ezimbi: Ushisa, Ukugcina, Nokuthinta Kwamandla

Isikhetho phakathi kokugcina ngokushisa nokugcina ngaphansi kwesishisa kuguquka ngendlela eyahlukileyo indlela egcinwa ngayo igunya le-diamond—ekuqwalaseni izigaba zeshisa, ukusetshelwa kukugcina, nokuthinta kwamandla emigangeni yesilinganiso. Ukuziqonda le miqhawulo kuyisidingo esibaluleke kakhulu ukuze kugcinwe i-diamond saw blade ngendlela efanele kulinganiso ezithintwayo zokugcina.

Ukusebenza Kweshisa Nokudluliswa Kwamandla Ngokushisa Kugcini

Umsebenzi wokugcwalisa kakhulu uba sebantwana phakathi kwezinkaluba ezingu-650 ukuya ku-900 ngesi-Celsius ngokuphakanywa okuphambene okuphambene kwezimaphu ezingu-20 ukuya ku-40 megapascals. Leli gazi likhulisa okuthiwa yindlela yokudluliswa kwesivumelwano phakathi kwezincwadi zemetal, ezahlukahlukene zenzelwe ngokusebenzisa izilimi zika-cobalt noma bronze. Xa kugcwaliswe, amandla esiqhamo ayavumela izinto ukuhamba, kunciphisa izinkinga zomoya, kususa izinkinga zomoya, nokufinyelela emandleni above 98% angaphandle kwalokho akuthiniya ithekhaneli. Okokuthi kubangelwa ngemuva kubalulekile futhi: lezi zixwayiso ezizimele ezakhiwe ngexesha lokusebenza zakhuphuka kakhulu indlela engakhethiwa yezidolophu, kwenza izinxenye eziphathelene ngokuphelele kulesi silinganiso. Lezi ziqinisekiso zibaluleke kakhulu xa kuyinzuzo yezixhobo ezifuneka ukuthinta ibhuloki eliqiniswe lapho amandla aphinde aphinde aqhubekela ngaphezulu.

Ukugcwalisa Kusihlandlo Somhlaba Nokuxhoshwa Ngendlela Yomlando

Inkonzakalo ebizwa ngokuthi ukugcwalisa okwesibhakabhaka kuyisisekelo kwamaphu aqashelwe ngametali ngezinsuku ezilandelayo ngokusebenzisa ingxenye enkulu yokugcwalisa ekuhlukene kusuka ku-100 ukuya ku-200 MPa. Ngoba akukho umphimbo othunywa lapha kulesigaba, inkohliso ihlangana kuphela ngokuguquguquka kwegolide nokuxhumana komlando. Uma kugcwaliswe, izinkinga zezinhlangothi ezincane zihlaba ngendlela, zenza okubizwa ngokuthi "green" segments engakhona futhi inzuzo ekuhlukene kusuka ku-80 ukuya ku-85 iphesenti yesigaba sakhe esiphethilayo. Emva kokwakha lezi zigaba, zazingafuna inkonzakalo eyengeziwe ngokushisa ukuze kufinyelele isimo esigcwele. Noma le ndlela iyekela imiba ethintana nomphimbo futhi ithathe izixhobo ngendlela elula, kodwa kuyakha amadoti avamile angaphansi kunazo ezinye izindlela. Ngaleso sikhathi, amathuba okugcwaliswa ngu-cold ayasebenza kangcono emisebenzini apho umbono awunangcono, njengoko kukhomba okuphindezwa okutholakala kumathuba alula njengoko kukhomba okutholakala kwezimali.

Ukuchaza Kwamatheryaliphatha Ukusuka Kusebenzi Lwesithuthi Ngesikhathi Kusebenzi Lwesibhakabhaka

Ubukhulu, Ubukhophayo, Nezilinganiso Zomphathi Wamakhangala

Umethode wokugcina ngokwephahla kuthola izinto ezidingekayo emgcineni wazo ongezansi kakhulu, kuphela kungu-98 kuze kube ngu-99.5%, ngoba ukudluliswa nokugcina kudluliselwa ngokufanawonkuyo. Lokhu kuvumela amathambo ukuba adlulele futhi alandelele wonke amasonto amancane endaweni yesimo. Okutholakele kungu-15 kuze kube ngu-20% okuhle kunezindlela ezinye ngokuchazwe kwi-Rockwell C, nangenye indlela efanayo yobuchwepheshe ngaso sonke isimo. Lokho kumele kuguqulwa konke lapho usebenzisa izinto zokugayaza. Ukugcina ngokwesibhakabhaka akukhathaleli. Izinga elikhulu lezinto ezogcinwa ngokwesibhakabhaka zifika kuphela kuma-90 kuze kube ngu-95% yokugcina, okothola amapolo amancane angaphendukwa aphazanyiswa yisimo phakathi kwayo futhi ahluphe izinto zabo ngexesha elide kanye namandla ahlaselwa. Izilinganiso zomphakathi bezithatha ukuthi lokhu kugcinwa ngokwephahla kuyakhumbula imigqa yazo kungekuphi okusheshayo kumazwi afanayo, okunikeza ingxenye eyinkimbinkimbi yezimali ezibalulekileyo, kodwa kunjalo abazalisi abaningi baya kuguqula.

Ukugcina kwe-Diamond kanye Nqubo Yophawu Lwemetal

Xa sisebenzisa izindlela zokunquma kahle, kwenza ubungqamuzi bokuchithwa phakathi kwezinto ze-diamond kanye nomkhumbi wemetal ngendlela ethiwa ukudifutha kwezinto ezihlukile. Lezi zigaba zingasekela kusivikelo esikhulu ngama-40 iphesenti kabanga kuza kuba yini xa kusebenziswa izindlela zonquma cold pressing. Izilinganiso ezenziwa emhlabeni wokugcina kokubhota kwabonisa ukuthi izigaba ezakhiwe ngokunquma kahle zilahlela ama-diamond angaphansi kuka-22 iphesenti njengoba ziyasebenza. Lokhu kukhona ngoba ziyaqina kahle kakhulu kumahluko we-abrasion kanye nenthalopi ngexesha lokusebenza. Iziphulaphula ezonqunywa ngu-cold pressed azinaki kangako ngoba akukho bukuqinisekile bokuchithwa phakathi kwazo. Ngaleso xabiso, ama-diamond ayedwa kuhlala ekuphazakeni ngokushesha uma lezi zigaqa ziphatheka yizidingo ezigcwele. Ngakho ke amakhosikazi anjalo ayagxila ukuthi ukugcinwa kwegolide kuyisimo esiphathelene kakhulu ukuze kufakwe ama-diamond ngokwaneleyo emisebenzini yasezindustri.

Imiphumo Yenjini: Amandla, Ukungena Kwekhuba, Nokusebenza Kwesayensi

Umsebenzi wokugcwalisa kakhulu kunciphisa iziphiwa ngamandla akhulu, azilindele ukulahleka kude, futhi abeke isimo sabo kangcono kunazo zinye izinketho. Lezi zici zafaka iziphiwa njengazo zibalulekile ekugcwaliseni izinto eziningi ngempela njengeplastics ephunyukisiwe noma izinto eziphunyusayo kakhulu. Iziphiwa ezakhiwe ngendlela yokuququzela kakhulu ziqhubeka zisebenza kahle ngokulinganiso kwezilingo nezindleko emva kokusebenzisa kanye ngeminyaka, lokhu kusho ukuthi kukhona okuncane kokuphazanyiswa nokudinga ukubuyisela kwabo kakade. Iziphiwa eziququzisiwe ngaphansi akuzingelanga ngokwesibonelo, kodwa zisebenza kahle kumsebenzi othile lapho umongo awuningi. Cabanga ngokugcwalisa ikonkreti entsha noma amathili we-ceramic. Kulokho kube khona, ukulahla imali kizindleko zaqala kubaluleke kunezinto ezingena ngokudala. Ekugcineni kwenzulo, ukukhetha phakathi kwezindlela zokuququzela kuyadinga ukuthi yini eyasebenzayo kakhulu kusidingo esithile. Kusuku zohlelo bezothatha i-cold pressing ngoba ingcinezile kabanjwe, ngelishwa ezinye zathatha i-hot pressing besebenzisana nokuthi kuhlelwa kakhulu emsulweni futhi kunciphisa izindleko ngomlando.

Ukuchaza Kokusebenzisa: Ukukhetha Ukugcwalisa Ngokunqoba Kumaqondo Okugcwalisa Ngokusebenza

Kumele amabhengezi akhetha indlela yokugcwalisa ngokwemithwalo ekhathazekayo, ubumnandi bokusebenza, nezidingo zomda wokulima kumda.

Ukugcwalisa Ngokudlala Kwezimali Elingelanga, Iblade Ezilima Phansi Kuya KuDinga Liphakade

Ukucindezela okubandayo kusebenza kangcono lapho usika izinto ezithambile njengama-asphalt, izingxube zikakhonkolo ezintsha noma amathayili ase-ceramic. Le ndlela ayizisebenzisi izitofu ezinkulu nezikhathi ezinde zokubilisa ezichitha amandla amaningi. Sikhuluma ngamandla aphansi ngo-15 kuya ku-20% uma kuqhathaniswa nezindlela zokucindezela ezishisayo ezivamile. Indlela izingcezu ezihlangana ngayo ngokwengxenye ingase isebenze kahle uma isetshenziswa ngendlela evamile. Lokho kwenza ama-blade agxishwe abandayo abe mahle kakhulu lapho kwenziwa umsebenzi wokulungisa izindlu, imisebenzi yokwenza izinto ngokwakho ngempelasonto, noma lapho kusetshenziswa amabhizinisi amancane lapho ithuluzi lingasebenzi njalo. Kodwa kunenkinga. Izingxenye eziningi ezicindezelwe ngamakhaza zifinyelela kuphela kumaphesenti angu-85 kuya kwangu-90 okuqina kwazo. Ngakho la mabhande athambekele ekuguga ngokushesha ezimweni lapho ebhekana nokugaya njalo noma edinga ukusebenza ngaphandle kokuma isikhathi eside.

Ukucindezela Okushisayo Kwama-blade Anamandla Kakhulu Ekhonkrithi Eqinisiwe Nasetshe Elihlabayo

Lapho kusetshenziswa izinto ezifana nekhonkolo eliqiniswe ngensimbi, igranite noma i-quartzite, ukucindezela okushisayo kuyindlela engcono kakhulu etholakalayo namuhla. Le ndlela isebenza ngezinqubo zokuhlakazeka ezihlanganisa izinto ndawonye kuze kube yilapho zifinyelela cishe ku-98% noma ngaphezulu. Okwenza le ndlela ikhetheke ukuthi ibopha kanjani amadayimane abe isakhiwo esiqinile, okuvumela amathuluzi ukuba aqhubeke esika ngisho nalapho ebhekene nemithwalo enamandla kakhulu ngaphandle kokuwohloka. Yini embi ngalo? Izindleko zemishini zikhuphuka cishe ngamaphesenti angu-30 kuya kwangu-40 uma ziqhathaniswa nezinye izindlela ngokusho kocwaningo olwanyatheliswa kuyiPowder Metallurgy Review ngonyaka odlule. Kodwa bheka ukuthi kwenzekani ezindaweni zangempela zomsebenzi: osonkontileka ababhidliza amabhuloho amadala babika ukuthi amathuluzi abo okusika ashisayo agcina isikhathi eside ngokuphindwe cishe izikhathi ezingu-2,5 kunamabhuloho avamile. Futhi abakhiqizi abasebenza ngokunemba ekunciphiseni itshe ukuze benze imisebenzi yezentengiselwano bathola ukuthi bachitha imali encane ngamaphesenti angu-18 kuya kwangu-22 ngokuhamba kwesikhathi. Le miphumela yangempela ibonisa ngokucacile ukuthi kungani ochwepheshe abaningi kangaka bekhetha ukucindezela kushisayo noma nini lapho ukusebenza nokwethenjelwa kubaluleke kakhulu.

Isikhombisi Sokuqala

Uyini umehluko oyinhloko phakathi kokucindezela okushisayo nokucindezela okubandayo?

Umehluko oyinhloko usekushiseni nasengcindezini esetshenziswayo phakathi nenqubo. Ukucindezela okushisayo kusebenzisa amazinga okushisa aphezulu kanye nengcindezi eqhubekayo ukuze kusebenze ukuhlakazeka kwesimo esiqinile, kanti ukucindezela okubandayo kusebenzisa kuphela ingcindezi ephezulu ekamelweni lokushisa ukuhlanganisa izinto ngokuxhuma ngomshini.

Iyiphi indlela eyenza kube nokuqina kwezinto ezibonakalayo okuphakeme?

Ukucindezela okushisayo kuholela ekuqineni okuphezulu kwezinto, okufinyelela cishe ku-98 kuya ku-99.5% wokuqina okuphezulu okungokombono, kuyilapho ukucindezela okubandayo kufinyelela cishe ku-90 kuya ku-95%.

Kungani umkhiqizi engakhetha ukucindezela okubandayo kunokucindezela okushisayo?

Abakhiqizi bangase bakhethe ukucindezela okubandayo ngoba kudinga amandla amancane nemishini elula, okwenza kube nezindleko ezengeziwe kuma-blade asebenza kancane kuya kwaphakathi asetshenziselwa izinto ezithambile.

Iziphi izinhlobo zokusetshenziswa ezifaneleka kakhulu ekucindezeleni okushisayo?

Ukucindezela okushisayo kufaneleka kakhulu kuma-blade asebenza kahle asetshenziselwa izinto eziyinselele njengokhonkolo oqinisiwe netshe elihlabayo ngenxa yokuqina kwalo okuphezulu, ukumelana nokugqoka nokusebenza kahle kokusika.