Cov Txheej Txheem Ua Yeeb Nkab Zoo - Cov Yeeb Nkab Hlau Sib Txuas
Cov txheej txheem tsim khoom ntawmcov kav hlau txuas ua kesiv cov txheej txheem tshwj xeeb los ua cov hlau ua ib daim duab kauv thiab tom qab ntawd vuam ua ke kom ua tau ib lub yeeb nkab muaj zog. Cov txheej txheem no tsim cov yeeb nkab uas muaj zog thiab ruaj khov, ua rau lawv zoo tagnrho rau kev ua tau raws li cov kev cai nruj ntawm cov yeeb nkab dej phwj tuaj.
| Nominal Sab Nraud Txoj Kab uas hla | Phab Ntsa Nominal Thickness (hli) | ||||||||||||||
| mm | In | 6.0 | 7.0 | 8.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 16.0 | 18.0 | 20.0 | 22.0 |
| Qhov Hnyav Ib Chav Ntev (kg/m2) | |||||||||||||||
| 219.1 | 8-5/8 | 31.53 | 36.61 | 41.65 | |||||||||||
| 273.1 | 10-3/4 | 39.52 | 45.94 | 52.30 | |||||||||||
| 323.9 | 12-3/4 | 47.04 | 54.71 | 62.32 | 69.89 | 77.41 | |||||||||
| (325) | 47.20 | 54.90 | 62.54 | 70.14 | 77.68 | ||||||||||
| 355.6 | 14 | 51.73 | 60.18 | 68.58 | 76.93 | 85.23 | |||||||||
| (377.0) | 54.89 | 63.87 | 72.80 | 81.67 | 90.50 | ||||||||||
| 406.4 | 16 | 59.25 | 68.95 | 78.60 | 88.20 | 97.76 | 107.26 | 116.72 | |||||||
| (426.0) | 62.14 | 72.33 | 82.46 | 92.55 | 102.59 | 112.58 | 122.51 | ||||||||
| 457 | 18 | 66.73 | 77.68 | 88.58 | 99.44 | 110.24 | 120.99 | 131.69 | |||||||
| (478.0) | 69.84 | 81.30 | 92.72 | 104.09 | 115.41 | 126.69 | 137.90 | ||||||||
| 508.0 | 20 | 74.28 | 86.49 | 98.65 | 110.75 | 122.81 | 134.82 | 146.79 | 158.69 | 170.56 | |||||
| (529.0) | 77.38 | 90.11 | 102.78 | 115.40 | 127.99 | 140.52 | 152.99 | 165.43 | 177.80 | ||||||
| 559.0 | 22 | 81.82 | 95.29 | 108.70 | 122.07 | 135.38 | 148.65 | 161.88 | 175.04 | 188.17 | |||||
| 610.0 | 24 | 89.37 | 104.10 | 118.77 | 133.39 | 147.97 | 162.48 | 176.97 | 191.40 | 205.78 | |||||
| (630.0) | 92.33 | 107.54 | 122.71 | 137.83 | 152.90 | 167.92 | 182.89 | 197.81 | 212.68 | ||||||
| 660.0 | 26 | 96.77 | 112.73 | 128.63 | 144.48 | 160.30 | 176.05 | 191.77 | 207.43 | 223.04 | |||||
| 711.0 | 28 | 104.32 | 121.53 | 138.70 | 155.81 | 172.88 | 189.89 | 206.86 | 223.78 | 240.65 | 257.47 | 274.24 | |||
| (720.0) | 105.65 | 123.09 | 140.47 | 157.81 | 175.10 | 192.34 | 209.52 | 226.66 | 243.75 | 260.80 | 277.79 | ||||
| 762.0 | 30 | 111.86 | 130.34 | 148.76 | 167.13 | 185.45 | 203.73 | 211.95 | 240.13 | 258.26 | 276.33 | 294.36 | |||
| 813.0 | 32 | 119.41 | 139.14 | 158.82 | 178.45 | 198.03 | 217.56 | 237.05 | 256.48 | 275.86 | 295.20 | 314.48 | |||
| (820.0) | 120.45 | 140.35 | 160.20 | 180.00 | 199.76 | 219.46 | 239.12 | 258.72 | 278.28 | 297.79 | 317.25 | ||||
| 864.0 | 34 | 147.94 | 168.88 | 189.77 | 210.61 | 231.40 | 252.14 | 272.83 | 293.47 | 314.06 | 334.61 | ||||
| 914.0 | 36 | 178.75 | 200.87 | 222.94 | 244.96 | 266.94 | 288.86 | 310.73 | 332.56 | 354.34 | |||||
| (920.0) | 179.93 | 202.20 | 224.42 | 246.59 | 286.70 | 290.78 | 312.79 | 334.78 | 356.68 | ||||||
| 965.0 | 38 | 188.81 | 212.19 | 235.52 | 258.80 | 282.03 | 305.21 | 328.34 | 351.43 | 374.46 | |||||
| 1016.0 | 40 | 198.87 | 223.51 | 248.09 | 272.63 | 297.12 | 321.56 | 345.95 | 370.29 | 394.58 | 443.02 | ||||
| (1020.0) | 199.66 | 224.39 | 249.08 | 273.72 | 298.31 | 322.84 | 347.33 | 371.77 | 396.16 | 444.77 | |||||
| 1067.0 | 42 | 208.93 | 234.83 | 260.67 | 286.47 | 312.21 | 337.91 | 363.56 | 389.16 | 414.71 | 465.66 | ||||
| 118.0 | 44 | 218.99 | 246.15 | 273.25 | 300.30 | 327.31 | 354.26 | 381.17 | 408.02 | 343.83 | 488.30 | ||||
| 1168.0 | 46 | 228.86 | 257.24 | 285.58 | 313.87 | 342.10 | 370.29 | 398.43 | 426.52 | 454.56 | 510.49 | ||||
| 1219.0 | 48 | 238.92 | 268.56 | 298.16 | 327.70 | 357.20 | 386.64 | 416.04 | 445.39 | 474.68 | 553.13 | ||||
| (1220.0) | 239.12 | 268.78 | 198.40 | 327.97 | 357.49 | 386.96 | 146.38 | 445.76 | 475.08 | 533.58 | |||||
| 1321.0 | 52 | 291.20 | 323.31 | 327.97 | 387.38 | 449.34 | 451.26 | 483.12 | 514.93 | 578.41 | |||||
| (1420.0) | 347.72 | 355.37 | 416.66 | 451.08 | 485.41 | 519.74 | 553.96 | 622.32 | 690.52 | ||||||
| 1422.0 | 56 | 348.22 | 382.23 | 417.27 | 451.72 | 486.13 | 520.48 | 554.97 | 623.25 | 691.51 | 759.58 | ||||
| 1524.0 | 60 | 373.38 | 410.44 | 447.46 | 484.43 | 521.34 | 558.21 | 595.03 | 688.52 | 741.82 | 814.91 | ||||
| (1620.0) | 397.03 | 436.48 | 457.84 | 515.20 | 554.46 | 593.73 | 623.87 | 711.11 | 789.12 | 867.00 | |||||
| 1626.0 | 64 | 398.53 | 438.11 | 477.64 | 517.13 | 556.56 | 595.95 | 635.28 | 713.80 | 792.13 | 870.26 | ||||
| 1727.0 | 68 | 423.44 | 465.51 | 507.53 | 549.51 | 591.43 | 633.31 | 675.13 | 758.64 | 841.94 | 925.05 | ||||
| (1820.0) | 446.37 | 492.74 | 535.06 | 579.32 | 623.50 | 667.71 | 711.79 | 799.92 | 887.81 | 975.51 | |||||
| 1829.0 | 72 | 493.18 | 626.65 | 671.04 | 714.20 | 803.92 | 890.77 | 980.39 | |||||||
| 1930.0 | 76 | 661.52 | 708.40 | 755.23 | 848.75 | 942.07 | 1035.19 | ||||||||
| (2020.0) | 692.60 | 741.69 | 790.75 | 888.70 | 986.41 | 1084.02 | |||||||||
| 2032.0 | 80 | 696.74 | 746.13 | 795.48 | 894.03 | 992.38 | 1090.53 | ||||||||
| (2220.0) | 761.65 | 815.68 | 869.66 | 977.50 | 1085.80 | 1192.53 | |||||||||
| (2420.0) | 948.58 | 1066.26 | 1183.75 | 1301.04 | |||||||||||
| (2540.0) | 100 | 995.93 | 1119.53 | 1242.94 | 1366.15 | ||||||||||
| (2845.0) | 112 | 1116.28 | 1254.93 | 1393.37 | 1531.63 | ||||||||||
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm cov yeeb nkab hlau sib txuas yog nws lub peev xwm los tiv taus cov qib siab ntawm sab hauv thiab sab nraud. Qhov no ua rau lawv zoo tagnrho rau kev xa cov dej phwj thiab cov dej khib nyiab, vim tias cov yeeb nkab raug rau qhov siab thiab ntws tas li. Tsis tas li ntawd, qhov du sab hauv ntawm cov yeeb nkab no ua kom muaj kev xa cov kua dej zoo, txo qhov kev pheej hmoo ntawm kev thaiv thiab kev thaiv hauv.lub cev kab yeeb nkab.
Tsis tas li ntawd xwb, cov kav hlau uas vuam ua los ntawm cov kauv muaj kev tiv taus xeb zoo heev thiab lwm yam ib puag ncig. Qhov no tseem ceeb heev rau cov dej phwj uas cov kav dej raug rau cov khoom xeb thiab cov tshuaj lom. Qhov ruaj khov ntawm cov kav dej no ua kom muaj lub neej ua haujlwm ntev, txo qhov xav tau hloov thiab saib xyuas ntau zaus, thaum kawg ua rau cov neeg ua haujlwm hauv cov kav dej phwj txuag tau nyiaj.
Ntxiv rau qhov ruaj khov thiab tiv taus, cov yeeb nkab hlau sib txuas ua ke muaj ntau yam siv tau thiab tuaj yeem hloov kho kom tau raws li cov kev xav tau tshwj xeeb ntawm cov haujlwm. Lawv muaj ntau qhov loj me thiab tuab, ua rau muaj kev ywj pheej tsim thiab kev teeb tsa. Txawm hais tias nws yog ib qho haujlwm kho dua tshiab me me lossis kev nthuav dav ntawm cov kav dej phwj loj, cov yeeb nkab no tuaj yeem hloov kho kom tau raws li cov kev xav tau tshwj xeeb ntawm daim ntawv thov.
Kev teeb tsa cov yeeb nkab vuam uas muaj kauv zoo kuj pab txhim kho qhov ua tau zoo ntawm koj lub tshuab raj xa dej phwj. Nrog lawv cov qauv tsim uas tsis hnyav thiab yooj yim tuav, cov yeeb nkab no tuaj yeem teeb tsa tau sai thiab muaj kev nyab xeeb, txo lub sijhawm tsim kho thiab cov nqi zog ua haujlwm. Qhov no yog qhov zoo tshwj xeeb hauv cov nroog uas qhov chaw thiab lub sijhawm txwv tseem ceeb heev.
Tsis tas li ntawd xwb, cov kav dej sib txuas ua ke zoo thiab sib npaug ua rau tsis muaj qhov xau, tiv thaiv kev poob ntawm cov dej phwj thiab cov dej khib nyiab muaj nqis, thiab txo qhov kev pheej hmoo ntawm kev ua qias tuaj rau ib puag ncig. Qhov kev ntseeg siab no yog qhov tseem ceeb rau kev tswj hwm kev ncaj ncees ntawm cov kav dej phwj thiab xyuas kom meej tias kev thauj mus los ntawm cov kua dej muaj kev nyab xeeb thiab ua haujlwm tau zoo.
Raws li kev nce qib hauv thev naus laus zis thiab cov ntaub ntawv txuas ntxiv tsav kev tsim kho tshiab hauv kev lag luam kev tsim kho, cov yeeb nkab hlau txuas nrog lub kauv tseem yog ib qho tseem ceeb hauv kev txhim kho thiab kev saib xyuas cov kav dej phwj tuaj. Lawv qhov kev ua tau zoo, kev ruaj khov thiab kev hloov pauv tau ua rau lawv yog qhov kev xaiv tseem ceeb rau cov engineers thiab cov neeg tsim qauv uas muaj lub luag haujlwm tsim cov khoom siv ruaj khov thiab muaj zog.
Hauv kev xaus lus, kev siv cov kav hlau txuas ua ke pab tsim kom muaj cov kav dej phwj tuaj yeem ua haujlwm tau zoo thiab ruaj khov. Lawv lub zog tshwj xeeb, kev ruaj khov thiab kev tiv thaiv xeb, ua ke nrog lawv qhov kev hloov pauv thiab yooj yim ntawm kev teeb tsa, ua rau lawv zoo tagnrho rau kev xa cov dej phwj tuaj thiab cov dej khib nyiab. Raws li qhov xav tau cov khoom siv dej khib nyiab txhim khu kev qha thiab ruaj khov txuas ntxiv mus, cov kav hlau txuas ua ke yuav txuas ntxiv ua lub luag haujlwm tseem ceeb hauv kev ua kom tau raws li cov kev xav tau tseem ceeb no.
