
Hagahan waxa uu bixinayaa dulmar faahfaahsan ulaha dunta metric, oo daboolaya tilmaamahooda, codsiyadooda, iyo shuruudaha xulashada. Waxaan sahamin doonaa noocyada kala duwan, agabka, iyo tixgalinta hubinta ku rakibida iyo isticmaalka saxda ah. Baro sida loo doorto saxda mitir threaded mashruucaaga gaarka ah.
Ulaha dunta mitirka, oo sidoo kale loo yaqaanno biraha dunta leh ama birta, ayaa dheer, dhejiyeyaal cylindrical ah oo leh dun dibadda ah oo dhererkeedu dhan yahay. Si ka duwan biraha, ma laha madax. Caadi ahaan waxaa loo adeegsadaa codsiyo kala duwan oo u baahan xiriir adag oo la isku halayn karo. Waxaa lagu qeexaa cabbirkooda mitirka, iyagoo tilmaamaya dhexroorka iyo codka.
Ulaha dunta mitirka sida caadiga ah waxaa laga soo saaraa walxo kala duwan, mid kastaa wuxuu bixiyaa awood kala duwan iyo sifooyinka iska caabinta daxalka. Qalabka caadiga ah waxaa ka mid ah:
Ulaha dunta mitirka U hoggaansanaanta heerarka caalamiga ah sida ISO (Ururka Caalamiga ah ee Halbeegga). Fahamka heerarkan ayaa muhiim u ah doorashada usha saxda ah ee mashruucaaga. Dhexroorka waxaa lagu muujiyay millimitir (mm) iyo garoonku ( masaafada u dhaxaysa dunta) sidoo kale waa millimitir.
Dhowr arrimood ayaa saameeya doorashada ku habboon ulaha dunta metric:
Ulaha dunta mitirka waxaa loo isticmaalaa siyaabo kala duwan, oo ay ku jiraan:
Hubi rakibid habboon si aad u kordhiso xoogga iyo cimrigaaga ulaha dunta metric. Tan waxaa ka mid ah isticmaalka nuts ku habboon, weel dhaqida, iyo ku adkeynta tilmaamaha saxda ah ee qulqulka. Kala tasho talooyinka soo saaraha ee tilmaamaha gaarka ah.
Had iyo jeer mudnaanta sii amniga markaad la shaqaynayso ulaha dunta metric. Xiro qalabka badbaadada ee habboon, sida galoofyada iyo ilaalinta indhaha. Hubi in ulaha si wanaagsan loo sugay si looga hortago wax shil ah ama waxyeelo ah.
| Dhexroorka (mm) | Dhererka (mm) | Xooga Jilicsan (MPa) - Bir khafiif ah | Xoog Xasilloonida (MPa) - Biraha Aan-la-aanta lahayn 304 |
|---|---|---|---|
| 10 | 1.5 | 400 | 520 |
| 12 | 1.75 | 420 | 550 |
| 16 | 2 | 450 | 600 |
Fiiro gaar ah: Kuwani waa qiyamka tusaalaha waana kala duwanaan karaan iyadoo ku xiran soo saaraha iyo darajada alaabta gaarka ah. Had iyo jeer kala tasho qeexida soo saaraha si aad u hesho xog sax ah.
Macluumaadkan waxaa loogu talagalay hagitaan kaliya. Had iyo jeer tixraac xeerarka badbaadada iyo tilmaamaha soo saaraha ka hor inta aanad samayn mashruuc kasta oo ku lug leh ulaha dunta metric.
Fadlan geli ciwaanka emailkaaga waxaanu kuugu jawaabi doonaa iimaylkaga