Stilim ain bilong weldim het bilong bendim
elbo bilong butt weldim em i wanpela elbo i hat o i gat elbo long en, na em i wok long weldim elbo na ain paip stret.
The main manufacturing standards for butt welding bends are generally GB / T13401-2005, GB / T12459-2005, ASME B16.9, SH3409, HG / T21635, HG / T21631, SY / T0510, GB / T10752-1995.
Klasifikasen bilong weldim bending het
(1) Bet welding ben i bruk bihainim radius bilong em long ben bilong ben, we ol i ken brukim i go long longpela radius na sotpela radius. Redius bilong ben bilong longpela radius i wankain olsem 1.5 taim ausait diamita bilong paip, em R{3}}D. Redius bilong ben bilong sotpela radius i wankain olsem ausait diamita bilong paip, em R=1D. Long ples we D em i diamita bilong oposit weld elbo na R em i radius bilong ben. Sapos i no gat spesel tok klia, ol i save yusim 1.5D elbo.
(2) Long mak bilong presa, i gat samting olsem 17 paip, wankain olsem Yunaitet Stets, olsem: Sch 5, Sch10, Sch 10, Sch 20, Sch 30, Sch40, STD, Sch 40, Sch80, Sch80, XS; Ol i save yusim STD na XS em STD na XS, em ol i save yusim em STD na XS.
(3) Folem Angle blong elbo, i gat 45 digri blong welding elbo, 90 digri blong welding elbo mo 180 digri blong welding elbo mo ol narafala defren angle.
(4) Ol samting em: stiel bilong kabon, ain bilong aloi na steinles stiel.
Kabon steel ben advantej
1, i no nidim paip billet olsem ol raw materiel, na inap sevim kos bilong ol paip ikwipmen na mold, long wankain taim inap kisim wanem bikpela diamita na liklik liklik wol tiknes bilong kabon stiel elbo.
2. Bilet em i flat plet o ben pes, olsem na katim i isi, stretpela pasin i isi long mekim, na asembli na weldim i gutpela moa.
3, i no nidim eni spesel ikwipmen, speseli we i stret long prosesing blong saet blong bigfala kabon steel elbo.
4, kabon stiel elbo i gutpela long petrolium, kemikel, haidropawa, konstraksen na boiler indastri paiplain sistem.
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