Rollerssune mafi mahimmancin mataki a cikinsanyi-lankwasawa kafa tsari. Saboda haka, kayan da aka zaɓa don abin nadi kuma shine maɓalli mai mahimmanci wajen yin hukunci akan ingancin amirgine kafa inji. Zaɓin kayan aikin rollers daban-daban zai haifar da babban bambanci a ingancin bayanin martaba da farashin samarwa. A cikin kasuwar yin na'ura ta kasar Sin, ana rarraba kayan rollers zuwa nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan 45 sun kasu kashi 45, karfe 45 na lantarki tare da Cr, GCr15, Cr12, Cr12MOV, da sauransu.
Yawancin masana'antun kuma za su canza rollers zuwa simintin ƙarfe don adana farashi. Masu saye suna buƙatar bambanta a hankali lokacin da kuke siyan inji. Saboda nau'in ƙarfe daban-daban na abubuwan sinadaran C, Cr, MO, V, da dai sauransu na abubuwan da aka ambata a sama da yawa, aikin tsari da farashin sun bambanta sosai, don haka aikace-aikacen a cikin samarwa ya bambanta. Don talakawa coils tare da yawan amfanin ƙasa da ƙasa da 330Mpa da kauri kewayon kasa da 1.5mm, kamar zafi-birgima zanen gado, sanyi-birgima zanen gado, PPGI, galvanized karfe, 45 karfe ko 45 karfe chromed iya saduwa da bukatun. Domin hana rollers daga tsatsa da kuma tsawaita rayuwar sabis na rollers, Linbay Machinery suna amfani da tsarin chrome plating ga duk 45 karfe rollers (kauri na chrome plating ne 0.05mm), da taurin bayan zafi magani iya isa 58-62HRC, wanda. yayi kusan daidai da taurin Cr12 da GCr15. Yayin rage farashi, yana samun inganci mai kyau a lokaci guda. Idan kuna son samar da coils masu ƙarfi tare da ƙarfin yawan amfanin ƙasa sama da 350Mpa ko bakin ƙarfe na ƙarfe, Injin Linbay zai zaɓi GCr15 ko Cr12 azaman kayan abin nadi, waɗanda suka fi tsada. Wadannan abubuwa biyu suna da juriya mafi girma, kwanciyar hankali na thermal da ƙarfin matsawa, kyakkyawan aiki gaba ɗaya. Daga cikinsu, bangaren Cr12 yayi daidai da Standard D3 na Amurka. Baya ga yin amfani da shi azaman abin nadi, ana kuma amfani da Cr12 azaman naushi, mutu, da abun sakawa. Mafi kyawun kayan aikin rollers shine Cr12Mov ko daidaitaccen Jafananci SKD11 ko daidaitaccen Amurka D2, wanda yake da tsada sosai idan aka kwatanta da sauran, yana da juriya mai tsayi kuma yana da mafi tsayin rayuwar sabis. Bugu da ƙari, ana amfani da shi azaman abin nadi, Injin Linbay yawanci yana amfani da wannan kayan don yankan ruwa.
Sama da duka, zaku iya zaɓar kayan abin nadi bisa ga buƙatun bayanin martaba da kasafin kuɗi na saka hannun jari. Injin Linbay koyaushe zai ba ku mafita mafi kyau don takamaiman buƙatunku, ta yadda zaku iya siyan injin ƙira mai gamsarwa.
| Babban abun da ke ciki da aikin rollers a cikin na'ura mai ƙira | ||||||||
| Samar da kasa | Kayan abu abin koyi | C abun ciki | Cr abun ciki | MO abun ciki | V abun ciki | Taurin bayan zafi magani | Ayyuka | |
| China | 45 karfe | 0.42% -0.5% | ≤0.25% | 56-59HRC | Yana da kyau ƙarfi da yankan yi, zafi magani don samun wani mataki na tauri, plasticity, sa juriya, bayan quenching da tempering jiyya, da inji Properties ne mafi alhẽri daga sauran matsakaici carbon tsarin steels. | |||
| China | GCr15 | 0.95% -1.05% | 1.3% -1.65% | 61-66HRC | High-carbon chromium hali steelwith low gami abun ciki, bayan quenching da low-zazzabi tempering, yana da high taurin, mai kyau inji Properties, uniform tsarin, gajiya mai kyau da yawan saduwa gajiya aiki. | |||
| China | Cr12 | 2.0% - 2.3% | 11.0% -13% | Saukewa: 58HRC | High carbon karfe yana da mafi girma carbon abun ciki, don haka yana da mafi girma taurin, gami abubuwa ƙara hardenability, high lalacewa juriya, amma matalauta tasiri. tauri. | |||
| China | Cr12MOV | 1.45% - 1.7% | 11.0% - 12.5% | 0.4% -0.6% | 0.15% -0.3 | Saukewa: 60HRC | V na iya tace hatsin karfe, inganta hardenability da Ƙarfin zafi, kula da ƙarfi da isasshen juriya ga nakasawa a yanayin zafi mai girma; Cr na iya ƙara ƙarfi da ƙarfi, da kuma hada da C don samar da carbides, wanda za a iya amfani da a karkashin high zafin jiki da kuma matsa lamba Yana iya inganta hydrogen lalata juriya; harddenability, taurin bayan quenching da zafin jiki, juriya da ƙarfi sun fi Cr12, ana amfani da su don yin naushi daban-daban na sanyi ya mutu. | |
| Japan | SKD11 | 1.4% - 1.6% | 11% -13% | 0.8% -1.2% | 0.2% -0.5% | Saukewa: 62HRC | Daidai da Cr12MOV na China, da US D2 | |
| US | D2 | 1.4% - 1.6% | 11.0% -13% | 0.7% -1.2% | 0.80% | Saukewa: 60HRC | Daidai da Cr12Mov na kasar Sin, da SKD11 na Japan | |
| US | D3 | 2% -2.35% | 11% -13.5% | 60-62HRC | Daidai da Cr12 na kasar Sin | |||
Lokacin aikawa: Agusta-27-2020