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Izimoto, izingxenye zomshini, njll. zinezidingo eziphezulu ekunembeni nasekuqedeni kwamapayipi ensimbi.Abasebenzisi bamapayipi ensimbi anembile akubona kuphela abasebenzisi abanezidingo eziphakeme uma kuqhathaniswa zokunemba nokushelela.Ngenxa yokuthi ukunemba kwamapayipi agqamile kuphezulu futhi ukubekezelelana kungagcinwa ezintanjeni ezingu-2--8, abasebenzisi abaningi bomshini bazosindisa umsebenzi, impahla, nokulahlekelwa isikhathi.Amashubhu ensimbi angenamthungo noma insimbi eyindilinga kancane kancane aguqulwa abe amashubhu akhanya ngokunemba.
Okukodwa:Ishubhu elikhanyayo elingenamthungo ububanzi bangaphandle, ukucaciswa, ukujiya kodonga ukuze likwazi ukuthwala indlela yokubala ingcindezi (amandla aqinile wezinto ezihlukene zamapayipi ensimbi ahlukile)
Ingcindezi = (ukujiya kodonga * 2 * amandla epayipi lensimbi) / (ububanzi bangaphandle * i-coefficient)
Okwesibili: Ipayipi elaziwayo elingenamthungo ububanzi bangaphandle bepayipi lensimbi elingenamthungo nendlela yokubala yokuqina kodonga ngaphansi kwengcindezi:
Ubukhulu bodonga = (ingcindezi * ububanzi bangaphandle * i-coefficient) / (2 * amandla ensimbi yepayipi lensimbi)
Okwesithathu: Indlela yokuveza i-coefficient yokucindezela yeshubhu elikhanyayo elingenamthungo:
Umfutho wepayipi lensimbi P<7Mpa coefficient S=8
7
Umfutho wepayipi lensimbi P>17.5 i-coefficient S=4
| Ibhrendi | Isimo Sokulethwa | |||||
| Ukusebenza Okubandayo/Kanzima (y) | Ukusebenza Okubandayo/Kuthambile (r) | I-Stress Relief Annealing (t) | ||||
| Ób≥/Mpa | δ 5≥(%) | Ób≥/Mpa | δ5≥(%) | Ób≥/Mpa | δ5≥(%) | |
| 10 | 410 | 6 | 375 | 10 | 335 | 12 |
| 20 | 510 | 5 | 450 | 8 | 430 | 10 |
| 30 | 590 | 4 | 550 | 6 | 520 | 8 |
| 45 | 645 | 4 | 630 | 5 | 610 | 7 |
