
Hel kan qumman mitir threaded mashruucaaga. Hagahan waxa uu daboolayaa noocyada, cabbirrada, agabka, codsiyada, iyo halka laga soo gato ulo tayo sare leh, isaga oo hubinaya in aad samayso doorashada saxda ah ee baahiyahaaga.
A mitir threaded, sidoo kale loo yaqaan birta dunta leh ama urka, waa ul dheer oo cylindrical ah oo leh dun dibadda ah oo dhererkeedu la socdo. Si ka duwan dunta inch-ku-salaysan, xadhkaha mitirka ahi waxay raacaan heerka dunta mitirka ee ISO, oo lagu qeexay garoonka (masaafada u dhaxaysa dunta) iyo dhexroorka. Waxaa caadi ahaan loo isticmaalaa dhismo kala duwan, injineernimo, iyo codsiyada wax soo saarka halka loo baahan yahay xidhid adag oo la isku halayn karo. Nidaamka mitirka ee joogtada ah wuxuu hubinayaa waafaqid caalami ah iyo sahlanaanta cabbirka.
Ulaha dunta mitirka ku soo gala walxo kala duwan, mid walbana leh sifooyin gaar ah. Qalabka caadiga ah waxaa ka mid ah:
Ulaha dunta mitirka waxaa lagu heli karaa tiro balaadhan oo ah dhexroorka iyo dhererka. Dhexroorka waxaa lagu muujiyay millimitir (tusaale, M6, M8, M10, M12, M16, iwm.), taasoo muujinaysa dhexroorka magaca usha. Darajada waxaa loola jeedaa xoogga xajinta alaabta. Tusaale ahaan, 8.8, 10.9, iyo 12.9 waa darajooyin caadi ah, oo leh tirooyin sare oo muujinaya xoog weyn. Had iyo jeer si taxadar leh u eeg tilmaamaha si aad u hubiso in usha ay buuxisay shuruudaha mashruucaaga.
Ulaha dunta mitirka waxay aasaas u yihiin mashaariicda dhismaha iyo injineernimada. Waxaa loo adeegsadaa:
Wax soo saarka, ulahani waxay lama huraan u yihiin:
Doorashada ku habboon mitir threaded waxay u baahan tahay in si taxadar leh loo tixgeliyo dhowr arrimood:
Wixii tayo sare leh ulaha dunta metric iyo alaabta kale ee la xidhiidha, tixgeli sahaminta alaab-qeybiyeyaasha sida Hebei Muyi Import & Export Trading Co., Ltd. Waxay bixiyaan noocyo kala duwan oo qalab iyo cabbirro ah oo ku habboon baahiyaha kala duwan.
Ulaha xadhkaha leh ee mitirka ah waxay isticmaalaan nidaamka mitirka (milimitirka) cabbirrada, halka ulaha dunta injidu ay isticmaalaan nidaamka Imperial (inji). Farqigani wuxuu saameeyaa dunta dunta iyo cabbirka guud, taasoo ka dhigaysa kuwo aan is qaadan karin.
Dhererka dunta waxaa inta badan muujiya soo saaraha. Haddii aanad hubin, la tasho dukumeentiyada farsamada ama isticmaal cabbirka dunta dunta.
Ulaha dunta mitirka waxaa si diyaar ah looga heli karaa alaab-qeybiyeyaal kala duwan oo online iyo offline ah, oo ay ku jiraan dukaamada qalabka, shirkadaha warshadaha, iyo suuqyada internetka. Had iyo jeer dooro alaab-qeybiye sumcad leh si aad u hubiso tayada iyo joogtaynta.
| Qalab | Iska caabinta daxalka | Xoog | Qiimaha |
|---|---|---|---|
| Birta Aan Lahayn | Aad u fiican | Sare | Sare |
| Bir khafiif ah | Dhexdhexaad | Wacan | Hoose |
| Alloy Steel | Dhexdhexaad | Aad u Sareeya | Sare |
Fadlan geli ciwaanka emailkaaga waxaanu kuugu jawaabi doonaa iimaylkaga