; ; This is supplied as a sample only. Edit with your own data and formulas as required. ; ; Edit the values and bend equations as required. ; Use 'File - Save As Text' to create an ASCII bend table file ; ;----------------------------------------------------------------------- ; ; Notations used in tables: ; ; ; ';' = remark character ; ; '*' = start of a new table ; ; '/' = special character ; U = units of tolerance; thickness; bend radius; and correction values ; m; cm; mm; micron; inch; ft;or yd ; S = sheet thickness ; R = bending radii ; A = opening angle ; T1 = Tolerance (+/-) for sheet thickness S (valid for the whole file) ; T2 = tolerance for equal min and max bending radius R ; The T2 tolerance is only utilized at the minimum and maximum ; bending radii R in the tables. For model bend radii that fall ; between two values existing in the table; the resultant ; correction value X is determined by linear interpolation ; using the appropriate x values in the table. ; T3 = tolerance for equal min and max opening angle A ; The T3 tolerance is only utilized at the minimum and maximum ; opening angles A in the tables. For model opening angles ; that fall between two values existing in the table; the ; resultant correction value X is determined by linear ; interpolation using the appropriate X values in the table. ; ;----------------------------------------------------------------------- ; ; The correction value X is applied as follows: ; ; L = A + B - x ; ; (L = unfolded length in flat pattern) ; (A = length of side A (outside measurement of bendingzone)) ; (B = length of side B (outside measurement of bendingzone)) ; ;----------------------------------------------------------------------- ; ; Angle A expressed in degrees. ; ;----------------------------------------------------------------------- ; ; ;UNITS for tolerance; thickness; bend radius and correction values ; use Autodesk Inventor standard units such as 'in' and 'mm' /U mm ; ;TOLERANCES valid for the whole file ; /T1 0.000040 /T2 0.004000 /T3 0.004000 ; ; *** TABLE 1 ; ;sheet thickness /S 1.00000 ; ;bending radii /R 0.500000 1.000000 1.500000 2.000000 3.000000 4.000000 5.000000 6.000000 ;opening angle: ------------------------ correction value x ---------- /A 1.000000 -0.069742 -0.749369 -1.380206 -1.991066 -3.183972 -4.356902 -5.518887 -6.673948 /A 5.000000 -0.023491 -0.665585 -1.259978 -1.834841 -2.956398 -4.058424 -5.149750 -6.234307 /A 10.000000 0.034323 -0.560854 -1.109693 -1.639560 -2.671929 -3.685326 -4.688328 -5.684755 /A 15.000000 0.092137 -0.456123 -0.959408 -1.444279 -2.387461 -3.312229 -4.226907 -5.135203 /A 20.000000 0.149951 -0.351392 -0.809123 -1.248998 -2.102992 -2.939131 -3.765485 -4.585652 /A 25.000000 0.207765 -0.246661 -0.658837 -1.053717 -1.818524 -2.566033 -3.304064 -4.036100 /A 30.000000 0.265579 -0.141930 -0.508552 -0.858435 -1.534055 -2.192935 -2.842643 -3.486549 /A 35.000000 0.323393 -0.037199 -0.358267 -0.663154 -1.249587 -1.819837 -2.381221 -2.936997 /A 40.000000 0.381207 0.067532 -0.207982 -0.467873 -0.965118 -1.446739 -1.919800 -2.387445 /A 45.000000 0.439021 0.500000 -0.057697 -0.272592 -0.680650 -1.073642 -1.458378 -1.837894 /A 50.000000 0.496835 0.276994 0.092588 -0.077311 -0.396181 -0.700544 -0.996957 -1.288342 /A 55.000000 0.554649 0.381725 0.242873 0.117970 -0.111713 -0.327446 -0.535536 -0.738790 /A 60.000000 0.612463 0.486456 0.393158 0.313252 0.172756 0.045652 -0.074114 -0.189239 /A 65.000000 0.670277 0.591187 0.543443 0.508533 0.457224 0.418750 0.387307 0.360313 /A 70.000000 0.728091 0.695918 0.693728 0.703814 0.741693 0.791848 0.848729 0.909864 /A 75.000000 0.785905 0.800649 0.844013 0.899095 1.026161 1.164945 1.310150 1.459416 /A 80.000000 0.843719 0.905380 0.994298 1.094376 1.310630 1.538043 1.771572 2.008968 /A 85.000000 0.901533 1.010111 1.144583 1.289658 1.595098 1.911141 2.232993 2.558519 /A 90.000000 1.000000 2.000000 1.000000 1.484939 1.879567 2.284239 2.694414 3.108071 /A 95.000000 0.849824 0.968567 1.110478 1.261876 1.578354 1.904317 2.235479 2.569928 /A 100.000000 0.753175 0.841603 0.951837 1.070999 1.322201 1.582331 1.847353 2.115469 /A 105.000000 0.667444 0.731016 0.815032 0.907417 1.104261 1.309475 1.519276 1.731977 /A 110.000000 0.591019 0.634389 0.696839 0.767101 0.918894 1.078498 1.242383 1.408975 /A 115.000000 0.522558 0.549708 0.594575 0.646696 0.761401 0.883361 1.009294 1.137742 /A 120.000000 0.460932 0.475279 0.505980 0.543377 0.627830 0.718978 0.813796 0.910934 /A 125.000000 0.405180 0.409660 0.429132 0.454742 0.514816 0.581027 0.650602 0.722304 /A 130.000000 0.354475 0.351613 0.362380 0.378726 0.419469 0.465791 0.515170 0.566483 /A 135.000000 0.308101 0.700000 0.304289 0.313537 0.339278 0.370042 0.403556 0.438812 /A 140.000000 0.265428 0.254063 0.253600 0.257602 0.272044 0.290949 0.312301 0.335200 /A 145.000000 0.225899 0.212779 0.209200 0.209526 0.215812 0.226004 0.238337 0.252023 /A 150.000000 0.189014 0.175462 0.170086 0.168059 0.168833 0.172956 0.178913 0.186030 /A 155.000000 0.154319 0.141429 0.135353 0.132067 0.129520 0.129763 0.131534 0.134273 /A 160.000000 0.121398 0.110057 0.104168 0.100510 0.096415 0.094551 0.093911 0.094044 /A 165.000000 0.089863 0.080765 0.075755 0.072419 0.068162 0.065579 0.063913 0.062828 /A 170.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 /A 175.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 /A 180.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 ; ; ; *** TABLE 2 ; ;sheet thickness /S 2.000000 ; ;bending radii /R 0.500000 1.000000 1.500000 2.000000 3.000000 4.000000 5.000000 6.000000 ;opening angle: ------------------------ correction value x ---------- /A 0.000000 2.332882 1.289229 0.441829 -0.325221 -1.743417 -3.081263 -4.375081 -5.641051 /A 5.000000 2.406969 1.420084 0.624001 -0.093964 -1.417211 -2.662339 -3.864662 -5.039911 /A 10.000000 2.481055 1.550938 0.806172 0.137292 -1.091005 -2.243415 -3.354243 -4.438771 /A 15.000000 2.555142 1.681793 0.988343 0.368548 -0.764799 -1.824491 -2.843824 -3.837631 /A 20.000000 2.629229 1.812648 1.170515 0.599804 -0.438593 -1.405567 -2.333406 -3.236490 /A 25.000000 2.703315 1.943503 1.352686 0.831060 -0.112387 -0.986643 -1.822987 -2.635350 /A 30.000000 2.777402 2.074357 1.534858 1.062316 0.213819 -0.567719 -1.312568 -2.034210 /A 35.000000 2.851488 2.205212 1.717029 1.293572 0.540025 -0.148795 -0.802149 -1.433069 /A 40.000000 2.925575 2.336067 1.899200 1.524828 0.866231 0.270129 -0.291730 -0.831929 /A 45.000000 2.999662 2.466922 2.081372 1.756085 1.192437 0.689053 0.218689 -0.230789 /A 50.000000 3.073748 2.597776 2.263543 1.987341 1.518644 1.107977 0.729108 0.370352 /A 55.000000 3.147835 2.728631 2.445715 2.218597 1.844850 1.526901 1.239527 0.971492 /A 60.000000 3.221921 2.859486 2.627886 2.449853 2.171056 1.945825 1.749946 1.572632 /A 65.000000 3.296008 2.990341 2.810057 2.681109 2.497262 2.364749 2.260365 2.173773 /A 70.000000 3.370095 3.121195 2.992229 2.912365 2.823468 2.783673 2.770784 2.774913 /A 75.000000 3.444181 3.252050 3.174400 3.143621 3.149674 3.202597 3.281203 3.376053 /A 80.000000 3.518268 3.382905 3.356572 3.374877 3.475880 3.621521 3.791622 3.977194 /A 85.000000 3.592354 3.513760 3.538743 3.606134 3.802086 4.040445 4.302040 4.578334 /A 90.000000 3.665000 4.000000 3.720915 3.837390 4.128292 4.459369 4.812459 5.179474 /A 95.000000 3.322184 3.273456 3.317404 3.399295 3.617809 3.874267 4.151515 4.441913 /A 100.000000 3.010112 2.940922 2.958955 3.012699 3.171700 3.366412 3.580692 3.807349 /A 105.000000 2.725336 2.641141 2.638718 2.669774 2.780180 2.924064 3.086294 3.260127 /A 110.000000 2.463825 2.369279 2.351053 2.364075 2.435191 2.537555 2.657041 2.787356 /A 115.000000 2.222225 2.121310 2.091263 2.090232 2.130024 2.198832 2.283538 2.378300 /A 120.000000 1.997712 1.893845 1.855395 1.843729 1.859030 1.901116 1.957877 2.023920 /A 125.000000 1.787883 1.684000 1.640084 1.620719 1.617404 1.638641 1.673331 1.716529 /A 130.000000 1.590672 1.489298 1.442439 1.417900 1.401016 1.406452 1.424118 1.449519 /A 135.000000 1.404288 1.307589 1.259952 1.232403 1.206281 1.200247 1.205220 1.217154 /A 140.000000 1.227158 1.136983 1.090420 1.061713 1.030054 1.016251 1.012232 1.014401 /A 145.000000 1.057888 0.975809 0.931892 0.903597 0.869546 0.851118 0.841251 0.836798 /A 150.000000 0.895226 0.822567 0.782616 0.756057 0.722256 0.701847 0.688775 0.680345 /A 155.000000 0.738040 0.675894 0.641006 0.617277 0.585917 0.565716 0.551631 0.541413 /A 160.000000 0.585288 0.534543 0.505603 0.485591 0.458446 0.440228 0.426902 0.416670 /A 165.000000 0.436003 0.397351 0.375053 0.359452 0.337907 0.323058 0.311878 0.303019 /A 170.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 /A 175.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 /A 180.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 ; ; ; *** TABLE 3 ; ;sheet thickness /S 4.000000 ; ;bending radii /R 0.500000 1.000000 1.500000 2.000000 3.000000 4.000000 5.000000 6.000000 ;opening angle: ------------------------ correction value x ---------- /A 0.000000 2.332882 1.289229 0.441829 -0.325221 -1.743417 -3.081263 -4.375081 -5.641051 /A 5.000000 2.406969 1.420084 0.624001 -0.093964 -1.417211 -2.662339 -3.864662 -5.039911 /A 10.000000 2.481055 1.550938 0.806172 0.137292 -1.091005 -2.243415 -3.354243 -4.438771 /A 15.000000 2.555142 1.681793 0.988343 0.368548 -0.764799 -1.824491 -2.843824 -3.837631 /A 20.000000 2.629229 1.812648 1.170515 0.599804 -0.438593 -1.405567 -2.333406 -3.236490 /A 25.000000 2.703315 1.943503 1.352686 0.831060 -0.112387 -0.986643 -1.822987 -2.635350 /A 30.000000 2.777402 2.074357 1.534858 1.062316 0.213819 -0.567719 -1.312568 -2.034210 /A 35.000000 2.851488 2.205212 1.717029 1.293572 0.540025 -0.148795 -0.802149 -1.433069 /A 40.000000 2.925575 2.336067 1.899200 1.524828 0.866231 0.270129 -0.291730 -0.831929 /A 45.000000 2.999662 2.466922 2.081372 1.756085 1.192437 0.689053 0.218689 -0.230789 /A 50.000000 3.073748 2.597776 2.263543 1.987341 1.518644 1.107977 0.729108 0.370352 /A 55.000000 3.147835 2.728631 2.445715 2.218597 1.844850 1.526901 1.239527 0.971492 /A 60.000000 3.221921 2.859486 2.627886 2.449853 2.171056 1.945825 1.749946 1.572632 /A 65.000000 3.296008 2.990341 2.810057 2.681109 2.497262 2.364749 2.260365 2.173773 /A 70.000000 3.370095 3.121195 2.992229 2.912365 2.823468 2.783673 2.770784 2.774913 /A 75.000000 3.444181 3.252050 3.174400 3.143621 3.149674 3.202597 3.281203 3.376053 /A 80.000000 3.518268 3.382905 3.356572 3.374877 3.475880 3.621521 3.791622 3.977194 /A 85.000000 3.592354 3.513760 3.538743 3.606134 3.802086 4.040445 4.302040 4.578334 /A 90.000000 3.665000 6.000000 3.720915 3.837390 4.128292 4.459369 4.812459 5.179474 /A 95.000000 3.322184 3.273456 3.317404 3.399295 3.617809 3.874267 4.151515 4.441913 /A 100.000000 3.010112 2.940922 2.958955 3.012699 3.171700 3.366412 3.580692 3.807349 /A 105.000000 2.725336 2.641141 2.638718 2.669774 2.780180 2.924064 3.086294 3.260127 /A 110.000000 2.463825 2.369279 2.351053 2.364075 2.435191 2.537555 2.657041 2.787356 /A 115.000000 2.222225 2.121310 2.091263 2.090232 2.130024 2.198832 2.283538 2.378300 /A 120.000000 1.997712 1.893845 1.855395 1.843729 1.859030 1.901116 1.957877 2.023920 /A 125.000000 1.787883 1.684000 1.640084 1.620719 1.617404 1.638641 1.673331 1.716529 /A 130.000000 1.590672 1.489298 1.442439 1.417900 1.401016 1.406452 1.424118 1.449519 /A 135.000000 1.404288 1.307589 1.259952 1.232403 1.206281 1.200247 1.205220 1.217154 /A 140.000000 1.227158 1.136983 1.090420 1.061713 1.030054 1.016251 1.012232 1.014401 /A 145.000000 1.057888 0.975809 0.931892 0.903597 0.869546 0.851118 0.841251 0.836798 /A 150.000000 0.895226 0.822567 0.782616 0.756057 0.722256 0.701847 0.688775 0.680345 /A 155.000000 0.738040 0.675894 0.641006 0.617277 0.585917 0.565716 0.551631 0.541413 /A 160.000000 0.585288 0.534543 0.505603 0.485591 0.458446 0.440228 0.426902 0.416670 /A 165.000000 0.436003 0.397351 0.375053 0.359452 0.337907 0.323058 0.311878 0.303019 /A 170.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 /A 175.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 /A 180.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 ;