
Ho khetha e loketseng reka moetsi oa lithupa tsa metric e bohlokoa bakeng sa projeke efe kapa efe e kenyelletsang li-fasteners tse kentsoeng. Boleng ba molamu oa hau bo ama ka ho toba botšepehi le nako e telele ea sehlahisoa sa hau sa ho qetela. Tataiso ena e thusa ho tsamaisa ts'ebetso, ho netefatsa hore o khetha mofani oa thepa ea tšepahalang ea fihlelang litlhoko tsa hau tse ikhethileng.
Lithupa tsa metric thread li fumaneha ka thepa e fapaneng, e 'ngoe le e' ngoe e na le thepa e ikhethang. Likhetho tse tloaelehileng li kenyelletsa:
Khetho ea thepa e lokela ho ikamahanya le litlhoko tse ikhethileng tsa projeke ea hau, ho nahanoa ka lintlha tse joalo ka boima ba moroalo, maemo a tikoloho le nako ea bophelo e lakatsehang.
Lithupa tsa metric thread li khomarela litekanyetso tsa machaba, haholo-holo ISO (International Organization for Standardization). Ho utloisisa litekanyetso tsena le mamello ke senotlolo sa ho etsa bonnete ba hore ho sebetsa hantle le ho sebetsa hantle. Mamello e nepahetseng ke ea bohlokoa bakeng sa lits'ebetso tse hlokang maemo a holimo a ho nepahala. Mefuta e fapaneng ea mamello e teng (mohlala, 6g, 6h), e amang ho lekana ha linate holim'a molamu oa khoele.
Ho na le li-finishing tse fapaneng tse fumanehang ho ntlafatsa ts'ebetso ea molamu le nako ea bophelo. Tsena li kenyelletsa:
Khetho ea ho qeta bokaholimo e ipapisitse le litlhoko tsa ts'ebeliso le boemo ba ts'ireletso ea kutu e hlokahalang.
Ho bohlokoa ho khetha moetsi ea nang le botumo bo botle. Sheba litšoaneleho tsena:
Ho u thusa ho etsa liqeto, nahana ka ho bapisa bao e ka bang barekisi ho sebelisa lintlha tse latelang:
| Moetsi | Likhetho tsa Boitsebiso | Lihlopha tsa Mamello | Sebaka se Felisang | Theko | Nako ea ho etella pele |
|---|---|---|---|---|---|
| Moetsi A | Tšepe ea K'habone, Tšepe e Hloekileng | 6g, 6h | Ho roala zinki, ho futhumatsa ho chesang | $X ka yuniti | Matsatsi a Y |
| Moetsi B | Tšepe ea Carbon, Stainless Steel, Alloy Steel | 4g, 6g, 6h, 8g | Ho roala zinki, ho roala ka phofo | $Z ka yuniti | Matsatsi a W |
Tlhokomeliso: Tlosa 'Moetsi A', 'Moetsi oa B', '$X', '$Z', 'Y matsatsi', le 'matsatsi a W' sebakeng sa 'nete ka boitsebiso ba sebele ba lipatlisiso tsa hau.
Bakeng sa metric threaded rods ea boleng bo holimo le litšebeletso tse ikhethang tsa bareki, nahana ka ho iteanya Hebei Muyi Import&Export Trading Co.,Ltd. Ba fana ka mefuta e mengata ea likhetho ho fihlela litlhoko tse fapaneng tsa tlhahiso.
Tataiso ena e fana ka sebaka sa ho qala ha u batla motho ea tšepahalang reka moetsi oa lithupa tsa metric. Patlisiso e phethahetseng le ho shebisisa lintlha tse tšohliloeng ho tla u thusa ho etsa qeto e nang le tsebo e tšehetsang katleho ea merero ea hau.
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