
Ukuchola amalahle, okwakwaziwa ngokuba ngabachongi basezimayini, abachongi bamatye, okanye abachongi bamatye, zizixhobo ezibalulekileyo zokusika ezisetyenziswa kwimigodi kunye nemizi-mveliso yokuhambisa itonela. Zenzelwe ngokukodwa ukuqhekeza kunye nokugrumba izinto ezinjengamalahle, ilitye elithambileyo, kunye nezinye iiminerali ngokuxhonywa kwimigqomo ejikelezayo yabasebenzi basezimayini, iintloko zendlela, kunye nabachebi.
Umsebenzi wabo oyintloko kukusebenza njengendawo yokuhlaselwa, ukuhambisa amandla omatshini kwimpembelelo egxininisiweyo kunye ne-shear force ukuphula izinto.
Ingcebiso yeTungsten Carbide: Isicatshulwa sokusika senziwe nge-tungsten carbide, eyaziwa ngokuba nobunzima obuphezulu kunye nokumelana nokugqoka. Oku kubalulekile xa usika izinto ezirhawukayo. Incam ibotshelelwe kumzimba wentsimbi.
Umzimba Wentsimbi/iShank: Umzimba wenziwe ngomgangatho ophezulu, intsimbi ye-alloy eqinile enokumelana nemithwalo yempembelelo ebalulekileyo kunye nokugoba amandla ngaphandle kokuphuka. I-shank yenziwe ngokuchanekileyo ukuze ingene ngokukhuselekileyo kwibhloko okanye isibambi kwigubu lomatshini.
Imilo eConical/Ichisel: Izichotho zamalahle zinentloko etsolo (conical) okanye emile okwetshizili. Olu luyilo lubavumela ukuba bangene kwaye baqhekeze izinto ngokufanelekileyo, benze iitshiphusi kunokuba bazigalele nje zibe luthuli.
Inkqubo yogcino: Zibanjwe ngenkqubo yokugcinwa koomatshini, ngokuqhelekileyo iqhosha le-ceramic kunye nekliphu yasentwasahlobo okanye indlela yokutshixa efanayo. Le nkqubo igcina ipiki ngokukhuselekileyo kwibhloko ngelixa ivumela ukuba ijikeleze ngexesha lokusebenza.
Ngokufana namazinyo ebhola ye-carbide, ukusebenza kakuhle kunye nokuphila ixesha elide kwamalahle amaninzi kuxhomekeke kubuchule babo bokujikeleza:
Njengoko igubu lijikeleza, i-pick ibetha kwaye ingene ebusweni bamalahle okanye ilitye.
Imikhosi ye-asymmetric esebenza kwincam yeconical ibangela ukuba ijikeleze kancinci kwisibambi sayo kunye nempembelelo nganye.
Oku kujikeleza kuqinisekisa ukuba ukunxiba kuhanjiswe ngokulinganayo malunga nencam ye-carbide, ukuthintela ukubunjwa kwendawo enye. Esi siphumo "sokuzilola" sigcina iphrofayili yokusika ebukhali kwaye yandisa kakhulu ubomi benkonzo yokukhetha.
Ukuchongwa kwamalahle zizixhobo ezisisiseko kwimisebenzi eyahlukeneyo yokwemba kunye nemigodi:
Ukwembiwa kwamalahle phantsi komhlaba: Esona sicelo siphambili, esisetyenziswa kubasebenzi basezimayini abaqhubekayo, abachebi be-longwall, kunye neentloko zendlela.
Itonela liyakruqula nokuqhuba: Isetyenziswa kwitonela ethambileyo ukuya kobunzima obuphakathi kunye nophuhliso lomgodi.
UkuTrentsha kunye noKugrunjwa koMphezulu: Kuqeshwa kwi trenchers ezincinci kunye ne excavators ukusika kumhlaba odityanisiweyo kunye namatye athambileyo.
Le theyibhile ilandelayo ishwankathela iimpawu eziphambili zojongo olukhawulezayo:
| Uphawu | Inkcazo | Inzuzo |
| Ubume bentloko | Ikhonjiwe (conical) okanye imile okwetshizili. | Ingena ngokufanelekileyo kwaye iqhekeza imathiriyeli. |
| Izinto eziphathekayo | Incam ye-tungsten carbide ibotshelelwe kumzimba owomeleleyo wentsimbi. | Idibanisa ukuxhathisa okugqithisileyo kunye nokuqina kwempembelelo. |
| Indlela engundoqo | Ujikelezo lwasimahla ngaphakathi kwesibambi esitshixiweyo (kuninzi lweentlobo). | Ikhuthaza nokunxiba, ukuzilola, kunye nobomi benkonzo obude. |
| Umsebenzi oPhambili | Ukuqhekeka kunye nokugrumba amalahle kunye nelitye elithambileyo ukuya kwi-medium-hard rock. | Ukuphumelela kakhulu ukususwa kwezinto ngokukhawuleza kwimigodi. |
| UNcedo oluPhambili | Ukonyuka kokuSebenza kweMveliso kunye nokuNcitshiswa kwexesha lokuphumla. | Ugcina ukusebenza kokusika, ukunciphisa ukuphindaphinda kokutshintshwa. |
| Izicelo eziqhelekileyo | Abasebenzi basezimayini abaqhubekayo, abachebi, iintloko zendlela, oomatshini bokwenza itonela. | Isixhobo esiqhelekileyo sokusika kwimigodi yanamhlanje. |
Ngamafutshane, Ukukhetha amalahle ngamacandelo abalulekileyo anokutyiwa kwishishini lezemigodi. Uyilo lwabo oluqinileyo, ukudibanisa i-tungsten carbide tip enzima kunye nomzimba onzima wensimbi kunye nomatshini wokujikeleza, uqinisekisa ukuveliswa okuphezulu kunye nokusebenza kakuhle kwimingeni ephantsi komhlaba kunye neendawo ezingaphezulu.