Load (N) Extension (mm) Load (N) Extension (mm) Load (N) Extension (mm)630.57 0.12529 167.66 0.12744 238.29 0.129581457.3 0.32939 398.29 0.33391 485.04 0.339242035.7 0.53499 448.68 0.53965 556.73 0.548991992.7 0.73868 484.36 0.74518 586.69 0.758291972.9 0.94253 541.58 0.95097 623.45 0.967672011.5 1.1465 652.23 1.1564 698.28 1.177

2027 1.3506 843.27 1.362 782.08 1.38652009.1 1.5547 1157.5 1.5674 996.2 1.59562008.7 1.7586 1578.5 1.7731 1378.5 1.8051996.6 1.9626 1970.5 1.9792 1874.9 2.01421986.7 2.1665 2008.6 2.185 1954.4 2.2245

1983 2.3704 1965.6 2.3908 1979.1 2.43371986.9 2.5746 1972.3 2.5964 1967.2 2.64331974.1 2.7785 1990.9 2.8021 1977.6 2.85271974.5 2.9825 2022.2 3.0078 1964.8 3.06221959.7 3.1866 2035.6 3.2135 1973.7 3.27151967.9 3.3905 2036.8 3.4192 1989.9 3.48091972.1 3.5944 2044.2 3.6247 1984.5 3.69031978.3 3.7985 2037.8 3.8306 1986.2 3.89981986.8 4.0024 2045.7 4.0363 1999.9 4.10921978.7 4.2064 2015.6 4.242 1973.8 4.31871971.2 4.4106 1997.3 4.4476 1972.3 4.5281976.4 4.6144 2037.2 4.6531 1978.9 4.7375

1973 4.8182 2050.2 4.859 1986 4.94692013.5 5.0223 2037.3 5.0646 1977.1 5.15632028.1 5.2264 2048.6 5.2701 1990.8 5.3662036.5 5.4304 2035.8 5.4757 1992.5 5.57522041.7 5.6343 2035.3 5.6817 1978.9 5.78472047.2 5.8383 2020.5 5.8874 1975.9 5.99422049.5 6.0424 2011.9 6.093 1968 6.20352060.8 6.2464 2002.6 6.2985 1973 6.41312067.3 6.4504 2011.1 6.5043 1978.9 6.62252073.8 6.6544 2021.1 6.7098 1975.7 6.83192078.2 6.8583 2013.8 6.9156 1991.7 7.04132082.1 7.0624 2009.5 7.1214 2019.4 7.25092087.3 7.2662 2004.2 7.3269 2027.3 7.46042091.5 7.4703 2004.2 7.5327 2035.1 7.66972097.5 7.6742 1987 7.7382 2038.7 7.879

2103 7.8784 2028.6 7.944 2045.2 8.08852108.3 8.0821 2049.4 8.1497 2051.7 8.29782104.5 8.2862 2059.9 8.3554 2060.1 8.5073

2113 8.4901 2063 8.561 2064 8.71692115.9 8.6943 2068.2 8.7667 2065.3 8.9262

2117 8.8983 2072.1 8.9724 2068.4 9.13582127.3 9.1022 2074.8 9.178 2075.9 9.34522123.8 9.3061 2077.7 9.3838 2079.4 9.55452128.5 9.5102 2079.9 9.5893 2088.1 9.76392130.1 9.7141 2086.2 9.7951 2087.6 9.9735

2133 9.918 2090.4 10.001 2091.5 10.183

เหล็�กชิ้��น1 เหล็�กชิ้��น 2 เหล็�กชิ้��น 3

2135.4 10.122 2092.2 10.206 2097.3 10.3922140.2 10.326 2097.3 10.412 2098.2 10.6022142.9 10.53 2100.9 10.618 2101 10.8112145.4 10.734 2104.2 10.824 2105.5 11.021

2142 10.938 2099.3 11.029 2107.6 11.232145.8 11.142 2106.1 11.235 2108.1 11.4392144.4 11.346 2105 11.44 2111.3 11.6492144.6 11.55 2109.9 11.646 2112.8 11.8582147.9 11.754 2109.1 11.852 2117.6 12.0682148.3 11.958 2114.7 12.058 2117.7 12.2772150.5 12.162 2116.7 12.263 2120.6 12.487

2150 12.366 2118.2 12.469 2123.8 12.6962155.7 12.57 2117.9 12.675 2125.9 12.9062152.6 12.774 2119.1 12.88 2127.5 13.1152154.3 12.978 2121.6 13.086 2129.6 13.3242157.9 13.182 2119.5 13.292 2129 13.5342157.5 13.386 2123.7 13.497 2127.4 13.7432155.4 13.59 2127.3 13.703 2133.3 13.9532154.6 13.794 2127.2 13.909 2134.9 14.1622155.7 13.998 2126.4 14.114 2135.6 14.3722157.7 14.202 2125.9 14.32 2136.3 14.5812156.8 14.406 2126.2 14.526 2137.8 14.792156.1 14.61 2126.6 14.731 2136.1 152158.7 14.814 2126.9 14.937 2134.9 15.2092155.2 15.018 2127.2 15.143 2134.3 15.4192156.3 15.222 2127.2 15.349 2135.3 15.6282155.7 15.426 2128.8 15.554 2136.7 15.8372155.1 15.63 2129 15.76 2137.4 16.0472159.4 15.834 2129 15.965 2137.1 16.2572159.1 16.038 2130.4 16.171 2136.3 16.4662157.2 16.242 2127.9 16.377 2134.6 16.6752157.4 16.446 2130.3 16.583 2133.5 16.8852151.7 16.65 2128.4 16.788 2134.3 17.0942150.1 16.854 2127 16.994 2132.6 17.3042149.9 17.058 2127.1 17.2 2135.6 17.5132149.7 17.262 2124.6 17.405 2133.8 17.7222149.5 17.466 2124.3 17.611 2133.9 17.9322148.8 17.67 2125.3 17.816 2131.9 18.1412146.7 17.874 2124.1 18.022 2132 18.3512146.4 18.078 2122.5 18.228 2133.1 18.562139.3 18.282 2119.5 18.434 2128.6 18.772136.6 18.486 2117.4 18.639 2127.3 18.9792131.6 18.69 2111.6 18.845 2128.1 19.1892128.4 18.894 2104.9 19.051 2120.2 19.398

2123 19.098 2103.6 19.256 2116 19.6082111 19.302 2095.5 19.462 2111.5 19.817

2093.3 19.506 2082.9 19.668 2075.8 20.0262036.5 19.71 2028.2 19.873 1939.8 20.2361549.2 19.915 1819.2 20.08 1470 20.447

19.41 20.118 -0.71829 20.285 -10.028 20.655

Extension (mm)

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99

-500

0

500

1000

1500

2000

2500

เหล็�กชิ้��นที่�� 1 เหล็�กชิ้��นที่�� 2 เหล็�กชิ้��นที่�� 3

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99

-500

0

500

1000

1500

2000

2500

เหล็�กชิ้��นที่�� 1 เหล็�กชิ้��นที่�� 2 เหล็�กชิ้��นที่�� 3

Load (N) Extension (mm) Load (N) Extension (mm) Load (N) Extension (mm)60.788 0.12189 52.988 0.074826 100.37 0.1412592.815 0.32254 163.21 0.22828 195.53 0.36087131.05 0.52281 241.28 0.38168 248.26 0.58058179.47 0.72326 278.1 0.53495 270.22 0.8003232.32 0.92389 342.32 0.68826 308.34 1.0202289.72 1.1244 392.53 0.84159 352.73 1.2399354.23 1.325 441.61 0.99487 398.99 1.4593

440.8 1.5253 491 1.1481 448.09 1.6792531.15 1.7258 553.87 1.3012 517.81 1.8987625.42 1.9263 620.41 1.4545 602.08 2.1186724.23 2.1268 688.88 1.6078 686.3 2.3382824.09 2.3272 759.83 1.761 790.14 2.558930.11 2.5279 833.49 1.9143 896.08 2.77751035.2 2.7283 913.7 2.0675 1004.1 2.99741140.6 2.9289 993.16 2.2208 1108.2 3.217

1246 3.1293 1069.5 2.3742 1202.3 3.43661348.4 3.3299 1146 2.5275 1265 3.65631379.1 3.5307 1222.6 2.6806 1302.6 3.8761220.8 3.7311 1300.1 2.834 1269.6 4.09591192.9 3.9315 1368.5 2.9872 1221.5 4.31561182.5 4.1321 1368.5 3.1408 1198.7 4.5352

1175 4.3326 1245.2 3.2939 1187.1 4.75481169.5 4.5332 1206.9 3.4473 1182.4 4.97451168.5 4.7335 1196.9 3.6005 1171 5.19421170.6 4.934 1190.7 3.7538 1172.2 5.41411166.8 5.1346 1184.7 3.907 1167.8 5.63381168.1 5.3352 1180.2 4.0602 1160.5 5.85331166.7 5.5357 1178.1 4.2136 1159.1 6.07331161.7 5.7361 1175 4.3669 1156.4 6.29281160.2 5.9365 1176.1 4.5202 1153.1 6.51241161.4 6.137 1175.7 4.6734 1153.5 6.73211161.9 6.3377 1174.3 4.8267 1151.9 6.95191161.3 6.5382 1172.2 4.9799 1150.7 7.17151159.6 6.7387 1170.1 5.1331 1154.2 7.39141164.4 6.9392 1170.2 5.2864 1149.3 7.61111164.2 7.1397 1167.9 5.4397 1147.1 7.83071159.6 7.3402 1168.1 5.593 1147 8.05031159.7 7.5406 1167.5 5.7463 1146.3 8.27011163.9 7.7412 1167.3 5.8996 1148.2 8.48981164.6 7.9416 1164.5 6.0529 1146.3 8.70961159.1 8.1422 1168.9 6.206 1146.5 8.9292

1162 8.3426 1169.1 6.3593 1141.9 9.14881159.5 8.5431 1169.1 6.5126 1140.1 9.36851163.6 8.7436 1169.1 6.6659 1143.1 9.58811163.8 8.9441 1169.1 6.8191 1138.5 9.8081162.3 9.1446 1169.1 6.9726 1145.1 10.0281160.7 9.3451 1169.3 7.1259 1141.6 10.2471161.1 9.5456 1166.2 7.2789 1139.1 10.4671160.4 9.7461 1169.2 7.4323 1140.2 10.687

พล็าสติ�กขุ่��นชิ้��นที่�� 1 พล็าสติ�กขุ่��นชิ้��นที่�� 2 พล็าสติ�กขุ่��นชิ้��นที่�� 3

1158.5 9.9466 1165 7.5857 1141.8 10.9071157 10.147 1165.1 7.7389 1140.2 11.126

1162.3 10.348 1165.6 7.8921 1142.2 11.3461162.1 10.548 1166.7 8.0454 1142.1 11.5661161.9 10.749 1165.6 8.1986 1142.8 11.785

1162 10.949 1167.6 8.3519 1139.2 12.0051161.7 11.15 1164.4 8.5053 1143.6 12.2251160.9 11.35 1164.2 8.6585 1137.9 12.4441161.1 11.551 1164 8.8118 1137.9 12.6641160.2 11.751 1164.4 8.9649 1144.2 12.8841163.4 11.952 1164.8 9.1185 1139.9 13.1031161.3 12.152 1165.3 9.2715 1139.7 13.3231159.5 12.353 1167.3 9.4248 1139.8 13.5431158.6 12.553 1164.5 9.5781 1143 13.7631157.9 12.754 1165.5 9.7314 1138.9 13.9821162.2 12.954 1166.2 9.8847 1140.9 14.2021162.1 13.155 1164 10.038 1141 14.4221163.5 13.355 1162 10.191 1141.4 14.6411160.2 13.556 1165 10.345 1142 14.8611163.5 13.756 1165.2 10.498 1142.6 15.0811164.8 13.957 1165.4 10.651 1139.2 15.31160.6 14.157 1165.6 10.804 1138.1 15.521165.6 14.358 1164 10.957 1140.7 15.741164.9 14.558 1162.3 11.111 1138.8 15.9591161.8 14.759 1162.9 11.264 1139.3 16.179

1166 14.959 1163.5 11.417 1140 16.3991166.4 15.16 1165 11.571 1141.7 16.619

1164 15.361 1165.5 11.724 1139.9 16.8381165.3 15.561 1165.4 11.877 1138.6 17.058

1165 15.761 1164.6 12.031 1137.1 17.2781164.6 15.962 1164.6 12.184 1140.4 17.497

1165 16.162 1163 12.337 1139.8 17.7171168.5 16.363 1162.6 12.49 1139.6 17.9371167.3 16.563 1162 12.644 1143.6 18.1561165.7 16.764 1162.4 12.797 1143.6 18.376

1166 16.964 1163.1 12.95 1141.3 18.5961169.5 17.165 1162.8 13.103 1141 18.8151168.8 17.365 1162.6 13.257 1140.5 19.0351169.4 17.566 1162.4 13.41 1142.9 19.2551169.9 17.767 1162.5 13.563 1143.1 19.4751170.3 17.967 1164.4 13.717 1144.9 19.6941167.6 18.168 1162.4 13.87 1143.1 19.9141169.8 18.368 1161.5 14.023 1141.3 20.1341164.9 18.569 1161.4 14.176 1140.5 20.3531164.6 18.769 1161.2 14.33 1140.7 20.5731166.7 18.97 1163.2 14.483 1142.7 20.7931165.8 19.17 1163.4 14.636 1142.8 21.013

1165 19.37 1163.4 14.79 1143.1 21.2321160.5 19.571 1162.6 14.943 -6.4424 21.4524.8374 19.772 17.862 15.096 -5.8217 21.672

Extension (mm)

1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 73 76 79 82 85 88 91 94 97

-200

0

200

400

600

800

1000

1200

1400

1600

พล็าสติ�กขุ่��น ชิ้��นที่�� 1 พล็าสติ�กขุ่��น ชิ้��นที่�� 2 พล็าสติ�กขุ่��น ชิ้��นที่�� 3

1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 73 76 79 82 85 88 91 94 97

-200

0

200

400

600

800

1000

1200

1400

1600

พล็าสติ�กขุ่��น ชิ้��นที่�� 1 พล็าสติ�กขุ่��น ชิ้��นที่�� 2 พล็าสติ�กขุ่��น ชิ้��นที่�� 3

Load (N) Extension (mm) Load (N) Extension (mm) Load (N) Extension (mm)2.6419 -0.000201 7.4649 -0.000243 9.3246 -0.0002725.3549 -0.000151 8.3525 -0.000181 7.8228 -0.0003018.2506 0.003636 16.4 0.013006 19.583 0.01123140.646 0.035447 48.82 0.045787 51.725 0.0444673.664 0.064822 72.404 0.077516 77.083 0.076026106.68 0.094196 92.971 0.10913 96.726 0.10751135.84 0.12357 114.91 0.14063 119.05 0.13886164.73 0.15295 135.18 0.17213 141.37 0.17022193.62 0.18232 150.14 0.20363 161.18 0.20157217.98 0.21169 165.1 0.23513 178.45 0.23289241.21 0.24107 177.89 0.26663 193.63 0.26418264.44 0.27044 190.14 0.29812 207.58 0.29548287.33 0.29982 202.38 0.32949 221.52 0.32708309.88 0.32892 214.62 0.36095 228.58 0.35844332.42 0.35829 227.95 0.39249 238.34 0.3898352.16 0.38767 241.56 0.42404 248.11 0.42116370.04 0.4171 255.18 0.45556 256.28 0.45252386.62 0.4465 268.79 0.48709 264.36 0.48388402.92 0.47588 282.68 0.51861 272.44 0.51524418.41 0.50527 296.77 0.5501 280.53 0.54661434.04 0.5346 310.86 0.58155 288.61 0.57797449.97 0.56393 324.75 0.61284 296.69 0.60934

465.9 0.59326 338.52 0.6445 304.78 0.64072481.82 0.62256 352.28 0.67603 312.86 0.67209497.75 0.65193 366.05 0.70756 320.94 0.70349513.68 0.6813 376.07 0.73908 329.44 0.73488

529.6 0.71068 389.17 0.77048 340.26 0.76611540.14 0.74004 402.28 0.80193 351.08 0.79748554.58 0.7694 415.43 0.83339 361.9 0.82885569.01 0.79875 428.91 0.86488 372.72 0.86022583.45 0.82809 445.53 0.89637 383.55 0.89159595.94 0.85742 463.87 0.92785 395.17 0.92296608.12 0.88672 482.32 0.95935 407.15 0.95434

620.3 0.91601 501.74 0.99096 419.13 0.98571633.6 0.94529 521.16 1.0225 431.12 1.0171

648.02 0.97465 540.59 1.054 443 1.0485662.45 1.004 559.92 1.0855 454.88 1.0798676.87 1.0334 579.03 1.117 468.72 1.1112691.29 1.0627 598.14 1.1485 484.21 1.1425705.72 1.0921 617.45 1.18 499.7 1.1738720.14 1.1214 636.98 1.2115 515.18 1.2052733.31 1.1508 656.52 1.2427 531.44 1.2366746.03 1.1802 676.05 1.2743 548.81 1.2679758.74 1.2096 695.3 1.3058 566.19 1.2993773.39 1.239 714.45 1.3373 583.56 1.3306788.73 1.2684 733.34 1.3689 600.94 1.362804.07 1.2978 751.61 1.4004 618.32 1.3934819.38 1.3271 769.89 1.4319 635.69 1.4247842.31 1.3564 788.16 1.4634 653.07 1.4561

พล็าสติ�กใสชิ้��นที่�� 1 พล็าสติ�กใสชิ้��นที่�� 2 พล็าสติ�กใสชิ้��นที่�� 3

861.16 1.3858 808.03 1.4949 670.44 1.4874880 1.4152 828.82 1.5264 688.52 1.5188

899.35 1.4444 849.61 1.5579 706.62 1.5501919.07 1.4738 870.39 1.5894 724.72 1.5815938.79 1.5032 891.18 1.6208 748.16 1.6127958.51 1.5325 911.97 1.6523 768.46 1.644978.24 1.5618 932.75 1.6838 788.75 1.6754997.96 1.5912 953.54 1.7153 809.13 1.70671017.7 1.6205 975.49 1.7468 829.52 1.73821037.4 1.6499 997.58 1.7783 849.91 1.76961057.1 1.6793 1019.7 1.8097 870.3 1.8011076.8 1.7086 1041.8 1.8412 890.54 1.83241097.6 1.7379 1063.8 1.8728 909.14 1.86371118.6 1.7672 1085.9 1.9043 929.93 1.89511139.6 1.7966 1108.2 1.9358 950.73 1.92651160.6 1.826 1131.3 1.9673 971.52 1.95771181.6 1.8553 1154.3 1.9988 992.15 1.98921202.6 1.8846 1177.3 2.0303 1012.5 2.02061223.6 1.9139 1200.2 2.0618 1032.8 2.05191244.6 1.9433 1223.2 2.0933 1054 2.08331265.6 1.9727 1246.1 2.1246 1075.8 2.11471286.7 2.0021 1269.1 2.156 1097.6 2.1461307.8 2.0314 1292 2.1875 1119.4 2.17731328.8 2.0608 1314.9 2.219 1141.2 2.20861349.9 2.0902 1337.9 2.2505 1163 2.241370.5 2.1196 1360.8 2.282 1184.7 2.27131391.1 2.149 1383.7 2.3135 1206.5 2.30271411.7 2.1784 1406.1 2.345 1228.3 2.3341430.3 2.2078 1428.3 2.3768 1250.5 2.36541448.5 2.237 1450.4 2.4082 1272.8 2.39671068.5 2.2756 1472.6 2.4397 1295.1 2.4281

-10.177 2.2981 1494.8 2.4712 1317.3 2.4594-10.054 2.3257 1517 2.5027 1339.6 2.4908-9.9303 2.3549 1538.8 2.5342 1361.9 2.5221

-9.807 2.3842 1547 2.5657 1384.2 2.5534-9.6838 2.4136 1555.2 2.5972 1406.5 2.5848-9.5605 2.4429 1549.1 2.6287 1428.7 2.6161-9.4373 2.4722 1544.4 2.6602 1450.9 2.6476

-9.314 2.5016 1.5728 2.7065 1473 2.679-9.1907 2.5308 -1.9771 2.7237 1495.2 2.7104-9.0675 2.5601 -4.1137 2.7551 1513.5 2.7418-8.9442 2.5895 0.43709 2.7865 1526.7 2.7732-8.6976 2.6189 0.40417 2.8179 1531.2 2.8047-8.2303 2.6482 0.37125 2.8493 -6.3053 2.8498-7.7631 2.6776 0.33833 2.8807 -6.6789 2.8684-7.2958 2.7069 0.30541 2.9121 -7.0525 2.899-6.8285 2.7363 0.27249 2.9436 -7.4261 2.9303-6.3612 2.7656 0.23957 2.9751 -7.7996 2.9616-6.5071 2.795 0.20665 3.0066 -8.1732 2.9928-6.7153 2.8243 3.0381 3.024

Extension (mm)

1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 73 76 79 82 85 88 91 94 97

-200

0

200

400

600

800

1000

1200

1400

1600

1800

พล็าสติ�กใส ชิ้��นที่�� 1 พล็าสติ�กใส ชิ้��นที่�� 2 พล็าสติ�กใส ชิ้��นที่�� 3

1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 73 76 79 82 85 88 91 94 97

-200

0

200

400

600

800

1000

1200

1400

1600

1800

พล็าสติ�กใส ชิ้��นที่�� 1 พล็าสติ�กใส ชิ้��นที่�� 2 พล็าสติ�กใส ชิ้��นที่�� 3

Load (N) Extension (mm) Load (N) Extension (mm) Load (N) Extension (mm)630.57 0.12529 167.66 0.12744 238.29 0.129581457.3 0.32939 398.29 0.33391 485.04 0.339242035.7 0.53499 448.68 0.53965 556.73 0.548991992.7 0.73868 484.36 0.74518 586.69 0.758291972.9 0.94253 541.58 0.95097 623.45 0.967672011.5 1.1465 652.23 1.1564 698.28 1.177

2027 1.3506 843.27 1.362 782.08 1.38652009.1 1.5547 1157.5 1.5674 996.2 1.59562008.7 1.7586 1578.5 1.7731 1378.5 1.8051996.6 1.9626 1970.5 1.9792 1874.9 2.01421986.7 2.1665 2008.6 2.185 1954.4 2.2245

1983 2.3704 1965.6 2.3908 1979.1 2.43371986.9 2.5746 1972.3 2.5964 1967.2 2.64331974.1 2.7785 1990.9 2.8021 1977.6 2.85271974.5 2.9825 2022.2 3.0078 1964.8 3.06221959.7 3.1866 2035.6 3.2135 1973.7 3.27151967.9 3.3905 2036.8 3.4192 1989.9 3.48091972.1 3.5944 2044.2 3.6247 1984.5 3.69031978.3 3.7985 2037.8 3.8306 1986.2 3.89981986.8 4.0024 2045.7 4.0363 1999.9 4.10921978.7 4.2064 2015.6 4.242 1973.8 4.31871971.2 4.4106 1997.3 4.4476 1972.3 4.5281976.4 4.6144 2037.2 4.6531 1978.9 4.7375

1973 4.8182 2050.2 4.859 1986 4.94692013.5 5.0223 2037.3 5.0646 1977.1 5.15632028.1 5.2264 2048.6 5.2701 1990.8 5.3662036.5 5.4304 2035.8 5.4757 1992.5 5.57522041.7 5.6343 2035.3 5.6817 1978.9 5.78472047.2 5.8383 2020.5 5.8874 1975.9 5.99422049.5 6.0424 2011.9 6.093 1968 6.20352060.8 6.2464 2002.6 6.2985 1973 6.41312067.3 6.4504 2011.1 6.5043 1978.9 6.62252073.8 6.6544 2021.1 6.7098 1975.7 6.83192078.2 6.8583 2013.8 6.9156 1991.7 7.04132082.1 7.0624 2009.5 7.1214 2019.4 7.25092087.3 7.2662 2004.2 7.3269 2027.3 7.46042091.5 7.4703 2004.2 7.5327 2035.1 7.66972097.5 7.6742 1987 7.7382 2038.7 7.879

2103 7.8784 2028.6 7.944 2045.2 8.08852108.3 8.0821 2049.4 8.1497 2051.7 8.29782104.5 8.2862 2059.9 8.3554 2060.1 8.5073

2113 8.4901 2063 8.561 2064 8.71692115.9 8.6943 2068.2 8.7667 2065.3 8.9262

2117 8.8983 2072.1 8.9724 2068.4 9.13582127.3 9.1022 2074.8 9.178 2075.9 9.34522123.8 9.3061 2077.7 9.3838 2079.4 9.55452128.5 9.5102 2079.9 9.5893 2088.1 9.76392130.1 9.7141 2086.2 9.7951 2087.6 9.9735

2133 9.918 2090.4 10.001 2091.5 10.183

เหล็�กชิ้��น1 เหล็�กชิ้��น 2 เหล็�กชิ้��น 3

2135.4 10.122 2092.2 10.206 2097.3 10.3922140.2 10.326 2097.3 10.412 2098.2 10.6022142.9 10.53 2100.9 10.618 2101 10.8112145.4 10.734 2104.2 10.824 2105.5 11.021

2142 10.938 2099.3 11.029 2107.6 11.232145.8 11.142 2106.1 11.235 2108.1 11.4392144.4 11.346 2105 11.44 2111.3 11.6492144.6 11.55 2109.9 11.646 2112.8 11.8582147.9 11.754 2109.1 11.852 2117.6 12.0682148.3 11.958 2114.7 12.058 2117.7 12.2772150.5 12.162 2116.7 12.263 2120.6 12.487

2150 12.366 2118.2 12.469 2123.8 12.6962155.7 12.57 2117.9 12.675 2125.9 12.9062152.6 12.774 2119.1 12.88 2127.5 13.1152154.3 12.978 2121.6 13.086 2129.6 13.3242157.9 13.182 2119.5 13.292 2129 13.5342157.5 13.386 2123.7 13.497 2127.4 13.7432155.4 13.59 2127.3 13.703 2133.3 13.9532154.6 13.794 2127.2 13.909 2134.9 14.1622155.7 13.998 2126.4 14.114 2135.6 14.3722157.7 14.202 2125.9 14.32 2136.3 14.5812156.8 14.406 2126.2 14.526 2137.8 14.792156.1 14.61 2126.6 14.731 2136.1 152158.7 14.814 2126.9 14.937 2134.9 15.2092155.2 15.018 2127.2 15.143 2134.3 15.4192156.3 15.222 2127.2 15.349 2135.3 15.6282155.7 15.426 2128.8 15.554 2136.7 15.8372155.1 15.63 2129 15.76 2137.4 16.0472159.4 15.834 2129 15.965 2137.1 16.2572159.1 16.038 2130.4 16.171 2136.3 16.4662157.2 16.242 2127.9 16.377 2134.6 16.6752157.4 16.446 2130.3 16.583 2133.5 16.8852151.7 16.65 2128.4 16.788 2134.3 17.0942150.1 16.854 2127 16.994 2132.6 17.3042149.9 17.058 2127.1 17.2 2135.6 17.5132149.7 17.262 2124.6 17.405 2133.8 17.7222149.5 17.466 2124.3 17.611 2133.9 17.9322148.8 17.67 2125.3 17.816 2131.9 18.1412146.7 17.874 2124.1 18.022 2132 18.3512146.4 18.078 2122.5 18.228 2133.1 18.562139.3 18.282 2119.5 18.434 2128.6 18.772136.6 18.486 2117.4 18.639 2127.3 18.9792131.6 18.69 2111.6 18.845 2128.1 19.1892128.4 18.894 2104.9 19.051 2120.2 19.398

2123 19.098 2103.6 19.256 2116 19.6082111 19.302 2095.5 19.462 2111.5 19.817

2093.3 19.506 2082.9 19.668 2075.8 20.0262036.5 19.71 2028.2 19.873 1939.8 20.2361549.2 19.915 1819.2 20.08 1470 20.447

19.41 20.118 -0.71829 20.285 -10.028 20.655

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99

-500

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เหล็�กชิ้��นที่�� 1 เหล็�กชิ้��นที่�� 2 เหล็�กชิ้��นที่�� 3

พล็าสติ�กขุ่��นชิ้��นที่�� 1 พล็าสติ�กขุ่��นชิ้��นที่�� 2 พล็าสติ�กขุ่��นชิ้��นที่�� 3

พล็าสติ�กใสชิ้��นที่�� 1 พล็าสติ�กใสชิ้��นที่�� 2 พล็าสติ�กใสชิ้��นที่�� 3

Extension (mm) Load (N) Extension (mm) Load (N) Extension (mm) Load (N)60.788 0.12189 52.988 0.074826 100.3792.815 0.32254 163.21 0.22828 195.53131.05 0.52281 241.28 0.38168 248.26179.47 0.72326 278.1 0.53495 270.22232.32 0.92389 342.32 0.68826 308.34289.72 1.1244 392.53 0.84159 352.73354.23 1.325 441.61 0.99487 398.99

440.8 1.5253 491 1.1481 448.09531.15 1.7258 553.87 1.3012 517.81625.42 1.9263 620.41 1.4545 602.08724.23 2.1268 688.88 1.6078 686.3824.09 2.3272 759.83 1.761 790.14930.11 2.5279 833.49 1.9143 896.081035.2 2.7283 913.7 2.0675 1004.11140.6 2.9289 993.16 2.2208 1108.2

1246 3.1293 1069.5 2.3742 1202.31348.4 3.3299 1146 2.5275 12651379.1 3.5307 1222.6 2.6806 1302.61220.8 3.7311 1300.1 2.834 1269.61192.9 3.9315 1368.5 2.9872 1221.51182.5 4.1321 1368.5 3.1408 1198.7

1175 4.3326 1245.2 3.2939 1187.11169.5 4.5332 1206.9 3.4473 1182.41168.5 4.7335 1196.9 3.6005 11711170.6 4.934 1190.7 3.7538 1172.21166.8 5.1346 1184.7 3.907 1167.81168.1 5.3352 1180.2 4.0602 1160.51166.7 5.5357 1178.1 4.2136 1159.11161.7 5.7361 1175 4.3669 1156.41160.2 5.9365 1176.1 4.5202 1153.11161.4 6.137 1175.7 4.6734 1153.51161.9 6.3377 1174.3 4.8267 1151.91161.3 6.5382 1172.2 4.9799 1150.71159.6 6.7387 1170.1 5.1331 1154.21164.4 6.9392 1170.2 5.2864 1149.31164.2 7.1397 1167.9 5.4397 1147.11159.6 7.3402 1168.1 5.593 11471159.7 7.5406 1167.5 5.7463 1146.31163.9 7.7412 1167.3 5.8996 1148.21164.6 7.9416 1164.5 6.0529 1146.31159.1 8.1422 1168.9 6.206 1146.5

1162 8.3426 1169.1 6.3593 1141.91159.5 8.5431 1169.1 6.5126 1140.11163.6 8.7436 1169.1 6.6659 1143.11163.8 8.9441 1169.1 6.8191 1138.51162.3 9.1446 1169.1 6.9726 1145.11160.7 9.3451 1169.3 7.1259 1141.61161.1 9.5456 1166.2 7.2789 1139.11160.4 9.7461 1169.2 7.4323 1140.2

พล็าสติ�กขุ่��นชิ้��นที่�� 1 พล็าสติ�กขุ่��นชิ้��นที่�� 2 พล็าสติ�กขุ่��นชิ้��นที่��

1158.5 9.9466 1165 7.5857 1141.81157 10.147 1165.1 7.7389 1140.2

1162.3 10.348 1165.6 7.8921 1142.21162.1 10.548 1166.7 8.0454 1142.11161.9 10.749 1165.6 8.1986 1142.8

1162 10.949 1167.6 8.3519 1139.21161.7 11.15 1164.4 8.5053 1143.61160.9 11.35 1164.2 8.6585 1137.91161.1 11.551 1164 8.8118 1137.91160.2 11.751 1164.4 8.9649 1144.21163.4 11.952 1164.8 9.1185 1139.91161.3 12.152 1165.3 9.2715 1139.71159.5 12.353 1167.3 9.4248 1139.81158.6 12.553 1164.5 9.5781 11431157.9 12.754 1165.5 9.7314 1138.91162.2 12.954 1166.2 9.8847 1140.91162.1 13.155 1164 10.038 11411163.5 13.355 1162 10.191 1141.41160.2 13.556 1165 10.345 11421163.5 13.756 1165.2 10.498 1142.61164.8 13.957 1165.4 10.651 1139.21160.6 14.157 1165.6 10.804 1138.11165.6 14.358 1164 10.957 1140.71164.9 14.558 1162.3 11.111 1138.81161.8 14.759 1162.9 11.264 1139.3

1166 14.959 1163.5 11.417 11401166.4 15.16 1165 11.571 1141.7

1164 15.361 1165.5 11.724 1139.91165.3 15.561 1165.4 11.877 1138.6

1165 15.761 1164.6 12.031 1137.11164.6 15.962 1164.6 12.184 1140.4

1165 16.162 1163 12.337 1139.81168.5 16.363 1162.6 12.49 1139.61167.3 16.563 1162 12.644 1143.61165.7 16.764 1162.4 12.797 1143.6

1166 16.964 1163.1 12.95 1141.31169.5 17.165 1162.8 13.103 11411168.8 17.365 1162.6 13.257 1140.51169.4 17.566 1162.4 13.41 1142.91169.9 17.767 1162.5 13.563 1143.11170.3 17.967 1164.4 13.717 1144.91167.6 18.168 1162.4 13.87 1143.11169.8 18.368 1161.5 14.023 1141.31164.9 18.569 1161.4 14.176 1140.51164.6 18.769 1161.2 14.33 1140.71166.7 18.97 1163.2 14.483 1142.71165.8 19.17 1163.4 14.636 1142.8

1165 19.37 1163.4 14.79 1143.11160.5 19.571 1162.6 14.943 -6.44244.8374 19.772 17.862 15.096 -5.8217

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99

-500

0

500

1000

1500

2000

2500

เหล็�กชิ้��นที่�� 1 เหล็�กชิ้��นที่�� 2 เหล็�กชิ้��นที่�� 3

พล็าสติ�กขุ่��นชิ้��นที่�� 1 พล็าสติ�กขุ่��นชิ้��นที่�� 2 พล็าสติ�กขุ่��นชิ้��นที่�� 3

พล็าสติ�กใสชิ้��นที่�� 1 พล็าสติ�กใสชิ้��นที่�� 2 พล็าสติ�กใสชิ้��นที่�� 3

Extension (mm) Load (N) Extension (mm) Load (N) Extension (mm)0.14125 2.6419 -0.000201 7.4649 -0.0002430.36087 5.3549 -0.000151 8.3525 -0.0001810.58058 8.2506 0.003636 16.4 0.013006

0.8003 40.646 0.035447 48.82 0.0457871.0202 73.664 0.064822 72.404 0.0775161.2399 106.68 0.094196 92.971 0.109131.4593 135.84 0.12357 114.91 0.140631.6792 164.73 0.15295 135.18 0.172131.8987 193.62 0.18232 150.14 0.203632.1186 217.98 0.21169 165.1 0.235132.3382 241.21 0.24107 177.89 0.26663

2.558 264.44 0.27044 190.14 0.298122.7775 287.33 0.29982 202.38 0.329492.9974 309.88 0.32892 214.62 0.36095

3.217 332.42 0.35829 227.95 0.392493.4366 352.16 0.38767 241.56 0.424043.6563 370.04 0.4171 255.18 0.45556

3.876 386.62 0.4465 268.79 0.487094.0959 402.92 0.47588 282.68 0.518614.3156 418.41 0.50527 296.77 0.55014.5352 434.04 0.5346 310.86 0.581554.7548 449.97 0.56393 324.75 0.612844.9745 465.9 0.59326 338.52 0.64455.1942 481.82 0.62256 352.28 0.676035.4141 497.75 0.65193 366.05 0.707565.6338 513.68 0.6813 376.07 0.739085.8533 529.6 0.71068 389.17 0.770486.0733 540.14 0.74004 402.28 0.801936.2928 554.58 0.7694 415.43 0.833396.5124 569.01 0.79875 428.91 0.864886.7321 583.45 0.82809 445.53 0.896376.9519 595.94 0.85742 463.87 0.927857.1715 608.12 0.88672 482.32 0.959357.3914 620.3 0.91601 501.74 0.990967.6111 633.6 0.94529 521.16 1.02257.8307 648.02 0.97465 540.59 1.0548.0503 662.45 1.004 559.92 1.08558.2701 676.87 1.0334 579.03 1.1178.4898 691.29 1.0627 598.14 1.14858.7096 705.72 1.0921 617.45 1.188.9292 720.14 1.1214 636.98 1.21159.1488 733.31 1.1508 656.52 1.24279.3685 746.03 1.1802 676.05 1.27439.5881 758.74 1.2096 695.3 1.3058

9.808 773.39 1.239 714.45 1.337310.028 788.73 1.2684 733.34 1.368910.247 804.07 1.2978 751.61 1.400410.467 819.38 1.3271 769.89 1.431910.687 842.31 1.3564 788.16 1.4634

พล็าสติ�กขุ่��นชิ้��นที่�� 3 พล็าสติ�กใสชิ้��นที่�� 1 พล็าสติ�กใสชิ้��นที่�� 2

10.907 861.16 1.3858 808.03 1.494911.126 880 1.4152 828.82 1.526411.346 899.35 1.4444 849.61 1.557911.566 919.07 1.4738 870.39 1.589411.785 938.79 1.5032 891.18 1.620812.005 958.51 1.5325 911.97 1.652312.225 978.24 1.5618 932.75 1.683812.444 997.96 1.5912 953.54 1.715312.664 1017.7 1.6205 975.49 1.746812.884 1037.4 1.6499 997.58 1.778313.103 1057.1 1.6793 1019.7 1.809713.323 1076.8 1.7086 1041.8 1.841213.543 1097.6 1.7379 1063.8 1.872813.763 1118.6 1.7672 1085.9 1.904313.982 1139.6 1.7966 1108.2 1.935814.202 1160.6 1.826 1131.3 1.967314.422 1181.6 1.8553 1154.3 1.998814.641 1202.6 1.8846 1177.3 2.030314.861 1223.6 1.9139 1200.2 2.061815.081 1244.6 1.9433 1223.2 2.0933

15.3 1265.6 1.9727 1246.1 2.124615.52 1286.7 2.0021 1269.1 2.15615.74 1307.8 2.0314 1292 2.1875

15.959 1328.8 2.0608 1314.9 2.21916.179 1349.9 2.0902 1337.9 2.250516.399 1370.5 2.1196 1360.8 2.28216.619 1391.1 2.149 1383.7 2.313516.838 1411.7 2.1784 1406.1 2.34517.058 1430.3 2.2078 1428.3 2.376817.278 1448.5 2.237 1450.4 2.408217.497 1068.5 2.2756 1472.6 2.439717.717 -10.177 2.2981 1494.8 2.471217.937 -10.054 2.3257 1517 2.502718.156 -9.9303 2.3549 1538.8 2.534218.376 -9.807 2.3842 1547 2.565718.596 -9.6838 2.4136 1555.2 2.597218.815 -9.5605 2.4429 1549.1 2.628719.035 -9.4373 2.4722 1544.4 2.660219.255 -9.314 2.5016 1.5728 2.706519.475 -9.1907 2.5308 -1.9771 2.723719.694 -9.0675 2.5601 -4.1137 2.755119.914 -8.9442 2.5895 0.43709 2.786520.134 -8.6976 2.6189 0.40417 2.817920.353 -8.2303 2.6482 0.37125 2.849320.573 -7.7631 2.6776 0.33833 2.880720.793 -7.2958 2.7069 0.30541 2.912121.013 -6.8285 2.7363 0.27249 2.943621.232 -6.3612 2.7656 0.23957 2.975121.452 -6.5071 2.795 0.20665 3.006621.672 -6.7153 2.8243 3.0381

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99

-500

0

500

1000

1500

2000

2500

เหล็�กชิ้��นที่�� 1 เหล็�กชิ้��นที่�� 2 เหล็�กชิ้��นที่�� 3

พล็าสติ�กขุ่��นชิ้��นที่�� 1 พล็าสติ�กขุ่��นชิ้��นที่�� 2 พล็าสติ�กขุ่��นชิ้��นที่�� 3

พล็าสติ�กใสชิ้��นที่�� 1 พล็าสติ�กใสชิ้��นที่�� 2 พล็าสติ�กใสชิ้��นที่�� 3

Load (N) Extension (mm)9.3246 -0.0002727.8228 -0.00030119.583 0.01123151.725 0.0444677.083 0.07602696.726 0.10751119.05 0.13886141.37 0.17022161.18 0.20157178.45 0.23289193.63 0.26418207.58 0.29548221.52 0.32708228.58 0.35844238.34 0.3898248.11 0.42116256.28 0.45252264.36 0.48388272.44 0.51524280.53 0.54661288.61 0.57797296.69 0.60934304.78 0.64072312.86 0.67209320.94 0.70349329.44 0.73488340.26 0.76611351.08 0.79748

361.9 0.82885372.72 0.86022383.55 0.89159395.17 0.92296407.15 0.95434419.13 0.98571431.12 1.0171

443 1.0485454.88 1.0798468.72 1.1112484.21 1.1425

499.7 1.1738515.18 1.2052531.44 1.2366548.81 1.2679566.19 1.2993583.56 1.3306600.94 1.362618.32 1.3934635.69 1.4247653.07 1.4561

พล็าสติ�กใสชิ้��นที่�� 3

670.44 1.4874688.52 1.5188706.62 1.5501724.72 1.5815748.16 1.6127768.46 1.644788.75 1.6754809.13 1.7067829.52 1.7382849.91 1.7696

870.3 1.801890.54 1.8324909.14 1.8637929.93 1.8951950.73 1.9265971.52 1.9577992.15 1.98921012.5 2.02061032.8 2.0519

1054 2.08331075.8 2.11471097.6 2.1461119.4 2.17731141.2 2.2086

1163 2.241184.7 2.27131206.5 2.30271228.3 2.3341250.5 2.36541272.8 2.39671295.1 2.42811317.3 2.45941339.6 2.49081361.9 2.52211384.2 2.55341406.5 2.58481428.7 2.61611450.9 2.6476

1473 2.6791495.2 2.71041513.5 2.74181526.7 2.77321531.2 2.8047

-6.3053 2.8498-6.6789 2.8684-7.0525 2.899-7.4261 2.9303-7.7996 2.9616-8.1732 2.9928

3.024