I-Mastering Metal Cold Cutting: Isikhokelo soBuchule kwiMigangatho yeSicelo seSetyhula yeSaw Blade

Kwilizwe lokwenziwa kwesinyithi kwimizi-mveliso, ukuchaneka, ukusebenza kakuhle, kunye nomgangatho yeyona nto iphambili. Isinyithi esisikiweyo sesetyhula sabona iiblade ziye zavela njengetekhnoloji yelitye lembombo, zibonelela ngokuchaneka okungenakuthelekiswa nanto kunye nokugqitywa komphezulu ongaphezulu ngaphandle kokuphazamiseka kwe-thermal okuqhelekileyo kwi-abrasive okanye i-friction sawing. Esi sikhokelo, ngokusekwe kwimigangatho yoshishino esekiweyo efana ne-T/CCMI 25-2023, ibonelela ngombono ocacileyo wokhetho, ukusetyenziswa, kunye nolawulo lwezi zixhobo zibalulekileyo.

Eli nqaku liza kusebenza njengesixhobo esiyimfuneko kubaphathi bemveliso, abaqhubi boomatshini, kunye neengcali zokuthengwa kwempahla, ukuphonononga kubume be-blade, ukukhetha iparamitha, kunye neendlela ezingcono zokwandisa ubomi besixhobo kunye nokwandisa ukusebenza.

1. ImiGangatho yeSiseko: Isakhelo soMgangatho

Isakhelo sokusebenza esomeleleyo sixhomekeke ekubekweni emgangathweni. Kuba iincakuba metal ezibandayo cut setyhula isarha, imigangatho engundoqo inika izikhokelo eziyimfuneko yokuvelisa, isicelo, kunye nokhuseleko.

Ubungakanani besicelo:Le migangatho ilawula umjikelo wobomi bentsimbi epholileyo esikwe setyhula isarha, ukusuka kuyilo lwayo lwesakhiwo kunye neeparamitha zokuvelisa ukuya kukhetho, ukusetyenziswa kunye nokugcinwa kwayo. Oku kudala ibhenchmark emanyeneyo yabo bobabini abavelisi beblade kunye nabasebenzisi bokugqibela, ukuqinisekisa ukungaguquguquki kunye nokuthembeka kulo lonke ishishini.
Iireferensi eziQhelekileyo:Izikhokelo zakhelwe phezu kwamaxwebhu asisiseko. Njengokuba,T/CCMI 19-2022ichaza iimfuno ezingundoqo zobugcisa kwiincakuba ngokwazo, ngelixaGB/T 191ichaza iimpawu ze-pictographic zendalo yonke zokupakishwa, ukugcinwa, kunye nokuthutha. Bekunye, benza inkqubo ebanzi eqinisekisa umgangatho ukusuka kumzi-mveliso ukuya kumgangatho wocweyo.

2. Isigama: Yintoni Echaza “I-Cold Cut”?

Embindini wayo, aMetal Cold Cut setyhula isarha Bladesisixhobo esikhethekileyo esenzelwe ukusika imathiriyeli yesinyithi kunye nesizukulwana esincinci sobushushu esigqithiselwe kwisixhobo sokusebenza. Isebenza ngezantya ezisezantsi ezijikelezayo kodwa ngemithwalo ephezulu yetshiphu xa kuthelekiswa neesarha zokukhuhlana. Le nkqubo "ebandayo" iphunyezwa ngokuchaneka kwejiyometri yeblade eyenziwe ngobunjineli kunye namazinyo eTungsten Carbide Tipped (TCT), acheba imathiriyeli endaweni yokuyigqabhuza.

Iinzuzo eziphambili zale ndlela ziquka:

Ukuchaneka okuphezulu:Ivelisa amanxeba acocekileyo, angena-burr kunye nelahleko encinci ye-kerf.
Ukuphela komphezulu oPhezulu:Umphezulu osikiweyo ugudile kwaye kaninzi awufuni ukugqitywa okwesibini.
Akukho Mmandla oChatshazelwa bubushushu (HAZ):I-microstructure yezinto eziphathekayo kumda wokusikwa ihlala ingatshintshi, igcina amandla ayo obunzima kunye nobunzima.
Ukhuseleko olwandisiweyo:Iintlantsi ziyacinywa, kudala indawo yokusebenza ekhuselekileyo.

3. I-Blade Anatomy: Isakhiwo kunye neeParameters eziphambili

Ukusebenza kwe-cold cut saw blade kuchazwe kuyilo kunye neeparitha zomzimba, ekufuneka zihambelane nemigaqo engqongqo echazwe kwimigangatho efana ne-T / CCMI 19-2022 (amacandelo 4.1, 4.2).

Ulwakhiwo lweBlade

Umzimba weBlade (Substrate):Umzimba usisiseko sencakuba, ngokuqhelekileyo yenziwe ngentsimbi yealloy yokuqina. Ifumana unyango olukhethekileyo lobushushu ukufezekisa ibhalansi egqibeleleyo yokuqina-ukumelana namandla okusika kunye namandla e-centrifugal ngesantya-kunye nokuqina, ukuthintela ukuqhekeka okanye ukuguqulwa.
Amazinyo abone:Ezi zizinto zokusika, phantse zenziwe jikelele ngeengcebiso ezikumgangatho ophezulu weTungsten Carbide ezibotshelelwe kumzimba weblade. Iijometri yezinyo(imilo, i-engile yeraki, i-engile yokususa) ibalulekile kwaye iyahluka ngokusekelwe kwisicelo. Iijometri eziqhelekileyo ziquka:
- Umphezulu oMcaba (FT):Ngenjongo jikelele, ukusika rougher.
- I-Alternate Top Bevel (ATB):Ibonelela ngesiphelo esicocekileyo kwizinto ezahlukeneyo.
- I-Triple Chip Grind (TCG):Umgangatho woshishino wokusika isinyithi esinentsimbi, enezinyo “elirhabaxa” elirhabaxa lilandelwa lizinyo elimcaba “lokugqiba”. Olu luyilo lubonelela ngokuqina okugqwesileyo kunye nokugqiba okugudileyo.

IiParameters ezibalulekileyo

Ububanzi:Imisela umthamo omkhulu wokusika. Iidayamitha ezinkulu ziyafuneka kwizixhobo zokusebenza ezinkulu.
Ukutyeba (Kerf):Iblade etyebileyo inika ubungqongqo kunye nokuzinza okukhulu kodwa isusa izinto ezininzi. I-kerf ebhityileyo isebenziseka ngakumbi kwizinto eziphathekayo kodwa isenokungazinzi kangako ekusikeni ngenkani.
Ubalo lwamazinyo:Le yiparameter ebalulekileyo echaphazela zombini isantya sokusika kunye nokugqiba.
- Amazinyo angakumbi:Iziphumo kwisiphelo esigudileyo, esicolekileyo kodwa isantya esicothayo sokusika. Ilungele izinto ezibhityileyo okanye ezithambileyo.
- Amazinyo ambalwa:Ivumela ukusika okukhawulezayo, okundlongondlongo ngakumbi ngokufuduswa kwetshiphu engcono. Ilungele izinto ezityebileyo, eziqinileyo.
IBore (I-Arbor Hole):Umngxuma osembindini kufuneka ungqinelane ncakasana nentambo yokusonta yomatshini wokusarha ukuqinisekisa ukhuseleko olufanelekileyo kunye nokujikeleza okuzinzileyo.

4. ISayensi yokuKhetha: I-Blade kunye neParameter Application

Ukudibanisa ngokufanelekileyo i-blade kunye nokusika iiparamitha kwizinto eziphathekayo yinto enye ebaluleke kakhulu ekufezekiseni iziphumo ezilungileyo.

(1) Ukukhetha iNgcaciso yeBlade yasekunene

Ukukhethwa kobubanzi be-blade kunye nokubala kwamazinyo kuhambelana ngokuthe ngqo nobubanzi bezinto kunye nemodeli yomatshini wokusarha. Umdlalo ongafanelekanga ukhokelela ekungasebenzi kakuhle, umgangatho ombi wokusika, kunye nomonakalo onokuthi ube khona kwi-blade okanye kumatshini.

Oku kulandelayo kubonelela ngesikhokelo sesicelo ngokubanzi esekwe kwimigangatho yoshishino:

Ububanzi beMaterial (IBar Stock)	Kucetyiswa Blade Diameter	Uhlobo lomatshini olufanelekileyo
20 - 55 mm	285 mm	70 Uhlobo
75 - 100 mm	360 mm	Uhlobo lwe-100
75 - 120 mm	425 mm	120 Uhlobo
110 - 150 mm	460 mm	150 Uhlobo
150 - 200 mm	630 mm	200 Uhlobo

Ingqiqo yesicelo:Ukusebenzisa i-blade encinci kakhulu kwi-workpiece kuya kugxininisa umatshini kunye ne-blade, ngelixa i-blade enkulu ingasebenzi kakuhle kwaye ingakhokelela ekungcangcazeleni. Uhlobo lomatshini luhambelana namandla, ukuqina, kunye nomthamo ofunekayo wokuqhuba ngokufanelekileyo ubungakanani beblade obunikiweyo.

(2) Ukuphucula iiParameters zokusika

Ukukhetha okulungileyoIsantya sokujikeleza (RPM)kwayeizinga lokutyakubalulekile ekwandiseni ubomi besixhobo kunye nokufezekisa ukusika okusemgangathweni. Ezi parameters zixhomekeke ngokupheleleyo kwizinto ezisikwayo. Izinto ezilukhuni, ezirhabaxa ngakumbi zifuna isantya esicothayo kunye namazinga asezantsi okutya.

Le theyibhile ilandelayo, ethathwe kwidatha yoshishino ye285mm kunye ne360mm blades, ibonelela ngereferensiIsantya somgcakwayeUkutya Ngezinyo ngalinye.

Uhlobo lwezinto eziphathekayo	Iimathiriyeli zomzekelo	Isantya somgca (m/min)	Ukutya ngezinyo ngalinye (mm/izinyo)	eCetyisiweyo RPM (285mm / 360mm Blade)
Intsimbi yeCarbon ephantsi	10 #, 20 #, Q235, A36	120 - 140	0.04 - 0.10	130-150 / 110-130
Ukuthwala intsimbi	GCr15, 100CrMoSi6-4	50 – 60	0.03 - 0.06	55-65 / 45-55
Isixhobo & Die Steel	SKD11, D2, Cr12MoV	40 – 50	0.03 - 0.05	45-55 / 35-45
Yenziwe ngentsimbi eshayinayo	303, 304	60 – 70	0.03 - 0.05	65-75 / 55-65

Imigaqo ephambili:

Isantya somgca (Isantya soMphezulu):Le yinto engatshintshiyo enxulumanisa i-RPM nedayamitha yeblade. Ukuze iblade enkulu igcine isantya esifanayo somgca, i-RPM yayo kufuneka ibe ngaphantsi. Yingakho i-360mm blade ineengcebiso ezisezantsi ze-RPM.
Ukutya ngezinyo ngalinye:Oku kulinganisa ubungakanani bezinto ezisuswayo zizinyo ngalinye. Kwizinto eziqinileyo ezifana nentsimbi yesixhobo (SKD11), izinga lokutya eliphantsi kakhulu libalulekile ukukhusela iingcebiso ze-carbide ukuba zitshiphuke phantsi koxinzelelo oluphezulu. Kwintsimbi ethambileyo ephantsi kwekhabhoni (Q235), izinga eliphezulu lokutya lingasetyenziselwa ukwandisa ukusebenza kakuhle kokusika.
Yenziwe ngentsimbi eshayinayo:Esi sixhobo "i-gummy" kunye ne-conductor engafanelekanga yokushisa. Izantya ezincinci zomgca ziyimfuneko ukukhusela umsebenzi-ubunzima kunye nobushushu obugqithisileyo kwinqanaba lokusika, elinokunciphisa ngokukhawuleza i-blade.

5. Ukuphatha nokuKhathalela: Ukumakisha, ukuPakisha, kunye noGcino

Ubomi obude kunye nokusebenza kwe-saw blade nayo ixhomekeke ekuphatheni nasekugcinweni kwayo, ekufuneka ihambelane nemigangatho efana ne-GB/T 191.

Ukuphawula:Incakuba nganye mayiphawulwe ngokucacileyo neenkcukacha zayo ezibalulekileyo: imilinganiselo (i-diameter x ubukhulu x bore), inani lamazinyo, umenzi, kunye ne-RPM ephezulu ekhuselekileyo. Oku kuqinisekisa ukuchongwa okuchanekileyo kunye nokusetyenziswa okukhuselekileyo.
Ukupakishwa:Amazinyo kufuneka apakishwe ngokukhuselekileyo ukukhusela amazinyo e-carbide eethe-ethe kwimpembelelo ngexesha lokuthutha. Oku kudla ngokubandakanya iibhokisi ezomeleleyo, izahluli zeencakuba, izigqubuthelo zokhuselo okanye izigqubuthelo zamazinyo.
Ugcino:Ugcino olululo lubalulekile ukuthintela umonakalo kunye nomhlwa.
- Okusingqongileyo:Gcina iincakuba kwindawo ecocekileyo, eyomileyo, nelawulwa yimozulu (ubushushu obucetyiswayo: 5-35°C, ukufuma okunxulumeneyo:<75%).
- Ukubekwa:Amagqabi kufuneka agcinwe ngokuthe tye (flat) okanye axhonywe ngokuthe nkqo kwiiracks ezifanelekileyo. Ungaze ubeke iiblade phezu komnye, njengoko oku kunokubangela ukulwa kunye nomonakalo wamazinyo.
- Ukhuseleko:Gcina iincakuba kude kwizinto ezidliwayo kunye nemithombo yobushushu obuthe ngqo.

Ukuqukumbela: Ikamva lokugawula okuMgangatho okuBanda

Ukuphunyezwa kwemigangatho yesicelo ebanzi linyathelo elibalulekileyo eliya phambili kushishino lwesinyithi. Ngokubonelela ngesakhelo esicacileyo, senzululwazi soyilo, ukhetho, kunye nokusetyenziswa kweeblades zesarha ezibandayo ezisikiwe ngentsimbi, ezi zikhokelo zixhobisa amashishini ukuba aphucule ukusebenza kakuhle kokusika, ukuphucula umgangatho wemveliso, kunye nokunciphisa iindleko zokusebenza.

Njengoko inzululwazi yemathiriyeli kunye nethekhnoloji yokuvelisa iqhubeka nokuvela, le migangatho ngokungathandabuzekiyo iya kuhlaziywa ukuze iquke isikhokelo seengxubevange ezintsha, iileyibhile zePVD eziphambili, kunye neejiyometri zamazinyo. Ngokwamkela le migangatho, ishishini liqinisekisa ikamva elichaneke ngakumbi, elisebenzayo ngakumbi, kwaye elinemveliso ngakumbi.

Ixesha lokuposa: Sep-29-2025