(1)造船用球扁钢重量计算公式:每米造船用球扁钢理论重量=边宽×厚×0.00785
(2)造船用球扁钢重量,造船用球扁钢尺寸规格 h一高度 b一宽度 t一腹板厚度 rl一球端圆角半径、球斜面与腹板间的圆角半径,r一球顶面与腹板间的圆角半径 ,I-惯性矩,i一惯性半径 Xo__一重心距离 Y0一重心距离
尺寸 | 截面面积/cm2 | 理论质量/(kg/m) | X—x | Y—Y | U—U | U—U | 重心距离 | ||||||||||
b | h | t | r1 | r | Ix/cm4 | IY/cm | lY/cm4 | iy/cm | IU/cm4 | iu/cm | 轴的斜角tana | Xo/cm | Yo/cm | ||||
5 | 50 | 16 | 4 | 2.5 | ≤1.5 | 2.88 | 2.26 | 6.96 | 1.56 | 0.43 | O.39 | 0.31 | O.32 | O.14 | 0.4l | 3.13 | |
6 | 60 | 19 | 5 | 3.5 | 4.31 | 3.38 | 15.00 | 1.87 | 0.95 | 0.47 | O.69 | O.40 | 0.13 | O.50 | 3.74 | ||
7 | 70 | 2l | 5 | 3.5 | 5.10 | 4.00 | 24.10 | 2.18 | 1.34 | 0.52 | O.95 | O.43 | O.13 | 0.54 | 4.40 | ||
8 | 80 | 22 | 5 | 4 | 5.87 | 4.6l | 36.23 | 2.49 | 1.77 | 0.55 | 1.20 | 0.45 | 0.12 | O.55 | 5.07 | ||
9 | 90 | 24 | 5.5 | 4 | 7.07 | 5.55 | 55.60 | 2.81 | 2.37 | 0.58 | 1.65 | O.49 | O.12 | 0.58 | 5.65 | ||
10 | 100 | 26 | 6 | 5 | 8.68 | 6.8l | 85.22 | 3.14 | 3.59 | O.64 | 2.60 | O.55 | 0.12 | 0.65 | 6.29 | ||
12 | 120 | 30 | 6.5 | 5 | ≤2.0 | 11.19 | 8.78 | 158 | 3.76 | 5.82 | 0.72 | 4.20 | 0.62 | O.10 | O.72 | 7.55 | |
14a | 140 | 33 | 7 | 6 | 14.14 | 11.10 | 274 | 4.42 | 9.12 | O.8l | 6.00 | O.65 | 0.10 | O.79 | 8.82 | ||
14b | 140 | 35 | 9 | 6 | 16.94 | 13.30 | 32l | 4.37 | 11.12 | 0.8l | 8.00 | 0.69 | 0.10 | O.84 | 8.55 | ||
16a | 160 | 36 | 8 | 7 | 18.05 | 14.17 | 468 | 5.10 | 13.67 | O.87 | 10.00 | O.74 | O.09 | 0.86 | 9.95 | ||
16b | 160 | 38 | lO | 7 | 21.25 | 16.68 | 527 | 5.00 | 16.36 | 0.88 | 13.00 | O.78 | 0.09 | O.9l | 9.75 | ||
18a | 180 | 40 | 9 | 7 | 22.29 | 17.50 | 724 | 5.84 | 19.45 | O.94 | 15.00 | 0.82 | O.09 | O.93 | 11.15 | ||
18b | 180 | 42 | ll | 7 | 25.89 | 20.32 | 837 | 5.70 | 23.02 | O.94 | 17.00 | O.8l | 0.09 | O.98 | 10.81 | ||
20a | 200 | 44 | 10 | 8 | ≤3.O | 27.49 | 21.58 | 1a78 | 6.37 | 29.60 | 1.04 | 21.00 | 0.88 | O.09 | 1.02 | 12.40 | |
20b | 200 | 46 | 12 | 8 | 31.49 | 24.72 | 1265 | 6.35 | 34.00 | 1.04 | 24.00 | 0.88 | 0.09 | 1.08 | 12.06 | ||
22a | 220 | 48 | 11 | 8.5 | 32.96 | 25.87 | 16ll | 7.00 | 41.11 | 1.12 | 30.00 | O.96 | 0.09 | 1.10 | 13.50 | ||
22b | 220 | 50 | 13 | 8.5 | 37.36 | 29.33 | 1795 | 6.95 | 46.82 | 1.12 | 35.00 | O.97 | O.09 | 1.16 | 13.20 | ||
24a | 240 | 52 | 12 | 9 | 38.92 | 30.55 | 2232 | 7.58 | 55.55 | 1.19 | 44.00 | 1.06 | 0.08 | 1.19 | 14.70 | ||
24b | 240 | 54 | 14 | 9 | 43.72 | 34.32 | 2542 | 7.64 | 63.7l | 1.2l | 53.00 | 1.10 | O.08 | 1.24 | 14.35 | ||
27a | 270 | 55 | 12 | 9.5 | 43.99 | 34.53 | 3265 | 8.63 | 70.74 | 1.27 | 47.00 | 1.04 | 0.08 | 1.23 | 16.60 | ||
27b | 270 | 57 | 14 | 9.5 | 49.39 | 38.77 | 3515 | 8.40 | 79.40 | 1.27 | 62.00 | 1.12 | 0.08 | 1.28 | 16.30 |
注:
1.表中造船用球扁钢重量密度为7.85g/cm3计算。
2.截面面积=bt+0.2887(h一t)2+1.5774(h一t)n一0.2146r21。
3.r、r1尺寸在车削轧辊时检查。