update with n17

README.md

@@ -34,6 +34,31 @@ Make sure to change 'type' to .step, and check the 'save to my computer' box. No
 
 **Alternately,** you can save the changes to a new file and import that model into another Fusion 360 Assembly. 
 
+## Gantry for NEMA17 Motor, 0.25" ALU
+
+![RCTN23-0375HDPE](images/RCTN23-hdpe-img.jpg)
+
+-42.3 mm - ( 6.5 * 2 ) * 1 mm
+
+https://www.vxb.com/20-625ZZ-5x16x5-Metal-5mm-Bore-Miniature-p/kit250.htm
+
+Flat Heads
+ - 20mm for reach-thru on motor runner
+ - ? there are more ?
+
+- holes in plate
+- wj plate
+- wire organizer test, plate feet 
+
+- 3dpnext
+- wj
+- do we have belts, do we have pulleys, order bearings, last mcmaster, admirals, etc, close it out and next up we do software problems 
+
+### Notes from the First Build 
+Increased preload from 0.2 to 0.4mm 
+A few fitting things ... motor mounts get lots more clearance
+Increased sizes for heat-set inserts to make overflow smaller. 
+
 ## Gantry for NEMA23 Motor, 0.375" HDPE
 
 ![RCTN23-0375HDPE](images/RCTN23-hdpe-img.jpg)

cad/dev/n17/params.csv

+w_rail,mm,65 mm,width of the rail - from 60 by 10mm increment
+l_gantry,mm,100 mm + 8.15 mm,length of the travelling gantry - from 100 by 10mm increment
+l_travel,mm,785 mm,total length of travel 
+t_sheet_MAIN,mm,4 / 16 * 1",thickness of *most* of the gantry material
+t_sheet_SECOND,mm,1 / 4 * 1",thickness of the webs
+t_three,mm,0.1 mm,
+t_four,mm,0.1 mm,
+od_bearings,mm,16 mm,
+id_bearings,mm,5 mm,
+t_bearings,mm,5 mm,
+p_belt,mm,2 mm,
+w_belt,mm,9 mm,
+t_belt,mm,1.4 mm,
+t_meshedBelts,mm,2.5 mm,
+d_rail,mm,1",
+nt_pinion,,20,
+d99,mm,20 mm,
+d_beam,mm,od_bearings + t_sheet_MAIN + 2 mm + 5 mm,min. is 2*t_bearings+3*shim+6mm+clearance
+d124,mm,t_sheet_MAIN * 1.5,
+d129,mm,3 mm,
+hw_m6_drill,mm,5 mm,5mm for zund bit
+r_cutoutTool,mm,4.1 mm / 2,
+preload_flex_length,mm,12 mm,
+preload_flex_thickness,mm,1.25 mm,
+hw_m3_thru,mm,3.25 mm,
+hw_m3_head,mm,5.5 mm,
+hw_m3_washer,mm,7 mm,
+hw_m3_thread,mm,2.5 mm,
+tab_breather,mm,0.2 mm,tab clearance 
+d213,mm,tab_breather,
+hw_m5_thread,mm,4.2 mm,
+hw_m5_head,mm,8.5 mm,
+hw_m5_washer,mm,10 mm,
+hw_m5_thru,mm,5.25 mm,
+hw_m6_thru,mm,6.5 mm,
+hw_m6_head,mm,10 mm,
+hw_m6_washer,mm,12 mm,
+d682,mm,1 mm,
+preload_displacement,mm,0.25 mm,
+dist_gap,mm,5 mm,
+d732,mm,0.5 mm,
+d893,mm,2.25 mm,
+d939,mm,hw_m3_head + 2 mm,
+d940,mm,d939 / 2 + 2 mm,
+l_beltblock,mm,12.5 mm,
+tab_breather_hdpe,mm,tab_breather / 2,
+total_length,mm,l_gantry + l_travel + 2 * l_beltblock,
+hw_plstf6_thread,mm,2.94 mm,
+hw_plstf6_thru,mm,4 mm,
+hw_plstf6_head,mm,6.86 mm,
+hw_plstf6_washer,mm,7.92 mm,
+t_beltroller_wall,mm,1.7 mm,
+hw_m3_flathead,mm,6 mm,
+num_tabs,,5,number of tabs in web
+d1317,mm,1 mm,
+hw_m4insert_d,mm,5.8 mm,
+hw_m4insert_l,mm,4.8 mm,
+hw_m4_tappedwj,mm,3.3 mm,
+hw_m4_thru,mm,4.25 mm,
+hw_m4_head,mm,7 mm,
+hw_m4_headheight,mm,4 mm,
+preload_bearings,mm,0.2 mm,
+dpblock_aboveboard,mm,5.5 mm,
+dpblock_belowdecks,mm,4.5 mm,
+hw_m3insert_d,mm,5.2 mm,
+hw_m3insert_l,mm,3.8 mm,
+d1510,deg,5 deg,
+nh_rail_wide,,round(w_rail / 20 mm),
+nh_rail_long,,round(l_rail / 20 mm),
+l_rail,mm,l_travel + l_gantry + 2 * l_beltblock,
+d670,mm,w_rail,
+d671,mm,l_travel + l_gantry + 2 * l_beltblock,
+d672,mm,l_gantry,
+d673,mm,od_bearings,
+d674,mm,l_beltblock,
+d675,mm,od_bearings,
+d677,mm,t_bearings,
+d678,mm,od_bearings,
+d679,mm,t_sheet_SECOND,
+d680,mm,8 mm,
+d765,mm,t_sheet_MAIN,
+d766,mm,d682,
+d1315,mm,4 mm,
+d1316,mm,0.5 mm,
+d1320,mm,4 mm,
+d1321,mm,4 mm + 0.5 mm + 0.5 mm,
+d1330,mm,d1317,
+d1331,mm,1 mm,
+d1332,mm,hw_m3_flathead + 1 mm,
+d1333,mm,7 mm,
+d1334,mm,d1332 / 2,
+d1381,mm,hw_m4_tappedwj,
+d1386,mm,hw_m3insert_d,
+d1387,mm,( 0.15 * 6 ) * 1 mm,
+d1400,mm,hw_m3_thru,
+d1401,mm,10 mm,
+d1404,mm,hw_m4_thru,
+d1426,mm,preload_bearings / 2,
+d1438,mm,1.7 mm * 1.5 / 3,
+d1607,mm,d1438,
+d685,mm,-t_sheet_MAIN,
+d686,deg,0.0 deg,
+d687,mm,dist_gap,
+d688,mm,t_sheet_MAIN,
+d689,deg,0.0 deg,
+d1322,mm,0.00 mm,
+d1323,mm,-t_bearings,
+d1324,deg,0.0 deg,
+d1325,mm,od_bearings,
+d1354,mm,hw_m4insert_d,
+d1355,mm,0.5 mm,
+d1356,mm,6 mm,
+d1357,mm,0.5 mm,
+d1362,mm,1 mm,
+d1366,mm,15 mm,
+d1428,mm,preload_bearings,
+d1327,mm,0.00 mm,
+d1328,mm,-t_bearings,
+d1329,deg,0.0 deg,
+d1335,mm,0.00 mm,
+d1336,mm,dpblock_aboveboard,
+d1337,deg,0.0 deg,
+d1338,mm,0.00 mm,
+d1339,mm,-t_sheet_MAIN,
+d1340,deg,0.0 deg,
+d1341,mm,0.00 mm,
+d1342,mm,-dpblock_belowdecks,
+d1343,deg,0.0 deg,
+d1344,mm,0.00 mm,
+d1345,mm,-23.5 mm,
+d1346,deg,0.0 deg,
+d1347,mm,0.00 mm,
+d1348,deg,0.0 deg,
+d1349,mm,-0.5 mm,
+d1350,mm,-0.5 mm,
+d1351,mm,-0.15 mm,
+d1358,mm,0.00 mm,
+d1359,deg,0.0 deg,
+d1360,mm,0.00 mm,
+d1361,deg,0.0 deg,
+d1363,mm,0.00 mm,
+d1364,mm,1 mm,
+d1365,deg,0.0 deg,
+d1367,mm,1.15 mm,
+d1394,mm,hw_m4_thru,
+d1491,mm,6 mm,
+d1368,mm,29.00 mm,
+d1369,deg,0.0 deg,
+d1388,mm,0.00 mm,
+d1389,deg,0.0 deg,
+d1390,mm,0.00 mm,
+d1391,deg,0.0 deg,
+d1392,mm,-2 mm,
+d1393,deg,0.0 deg,
+d1396,mm,0.00 mm,
+d1397,deg,0.0 deg,
+d1398,mm,0.00 mm,
+d1399,deg,0.0 deg,
+d1402,mm,0.00 mm,
+d1403,deg,0.0 deg,
+d1406,mm,7.50 mm,
+d1407,mm,0.00 mm,
+d1408,deg,0.0 deg,
+d1409,mm,1 mm,
+d1410,mm,2 mm,
+d1412,mm,1 mm,
+d1413,mm,0.5 mm,
+d1414,mm,2 mm,
+d1415,mm,3.5 mm,
+d1421,mm,1 mm,
+d1422,mm,2.5 mm,
+d1424,mm,3 mm,
+d1425,mm,0.5 mm,
+d1431,mm,7 mm,
+d1432,mm,1.20 mm,
+d1433,mm,1 mm,
+d1434,mm,2.774 mm,
+d1435,mm,2.769 mm,
+d1442,mm,0.00 mm,
+d1443,mm,0.00 mm,
+d1444,deg,0.0 deg,
+d1447,mm,0.60 mm,
+d1450,mm,2.1 mm,
+d1451,mm,2 mm,
+d1459,mm,42.3 mm,
+d1460,mm,48 mm,
+d1461,mm,t_bearings,
+d1462,mm,od_bearings,
+d1463,mm,t_meshedBelts,
+d1464,mm,0.5 mm,
+d1465,mm,6.5 mm,
+d1466,mm,19 mm,
+d1467,mm,0.5 mm,
+d1468,mm,1 mm,
+d1469,mm,4 mm,
+d1470,mm,4.5 mm,
+d1471,mm,2.5 mm,
+d1472,mm,0.15 mm,
+d1473,mm,0.1 mm,
+d1474,mm,d1475,
+d1475,mm,hw_m3_flathead + 1 mm,
+d1476,mm,1 mm,
+d1478,mm,dpblock_aboveboard,
+d1481,mm,dpblock_belowdecks,
+d1483,mm,3 mm,
+d1484,mm,5 mm,
+d1496,mm,0.15 mm,
+d1497,mm,d1496,
+d1457,mm,11 mm,
+d1455,mm,-11 mm,
+d1456,deg,0.0 deg,
+d1488,mm,1.5 mm,
+d1489,mm,1 mm,
+d1490,mm,1 mm,
+d1492,mm,1 mm,
+d1493,mm,0.5 mm,
+d1494,mm,-42.3 mm - ( 6.5 * 2 ) * 1 mm,
+d1495,deg,0.0 deg,
+d1498,mm,0.00 mm,
+d1499,deg,0.0 deg,
+d1500,mm,31 mm,
+d1503,mm,od_bearings,
+d1504,mm,hw_m4insert_d,
+d1506,mm,t_meshedBelts,
+d1507,mm,( 2 * nt_pinion / PI ) * 1 mm,
+d1508,mm,d1507 / 2 + t_belt,
+d1509,mm,d1508,
+d1515,mm,hw_m3_thru,
+d1516,mm,( 3.2 / 2 ) * 1 mm,
+d1517,mm,hw_m3_washer / 2,
+d1518,deg,5 deg,
+d1520,deg,d1518,
+d1521,mm,hw_m3_washer,
+d1522,deg,d1518,
+d1523,mm,42.3 mm,
+d1524,mm,( 22.25 / 2 ) * 1 mm,
+d1525,deg,d1518,
+d1530,mm,1.5 mm,
+d1531,mm,t_belt + 1.5 mm,
+d1532,deg,10 deg,
+d1533,mm,9.1 mm,
+d1534,mm,hw_m3insert_d,
+d1535,mm,hw_m3_flathead,
+d1536,mm,hw_m3_thru,
+d1537,mm,5 mm,
+d1538,mm,8 mm,
+d1539,mm,d1540,
+d1540,mm,3.25 mm,
+d1541,mm,0.75 mm,
+d1542,deg,90 deg,
+d1549,mm,d1540,
+d1526,mm,0.00 mm,
+d1527,deg,0.0 deg,
+d1528,mm,0.00 mm,
+d1529,deg,0.0 deg,
+d1551,deg,0.0 deg,
+d1576,mm,0.5 mm,
+d1552,mm,0.00 mm,
+d1553,deg,0.0 deg,
+d1554,mm,0.00 mm,
+d1555,deg,0.0 deg,
+d1557,mm,hw_m3_thru,
+d1558,mm,hw_m4insert_d,
+d1559,mm,( ( hw_m3_flathead + 1 mm ) / 2 mm ) * 1 mm,
+d1560,mm,d1559,
+d1561,mm,d1559,
+d1562,mm,d1560,
+d1563,mm,d1560 * 2 + 10 mm,
+d1564,mm,d1559 * 2,
+d1565,mm,d1563,
+d1566,mm,0.00 mm,
+d1567,deg,0.0 deg,
+d1568,mm,0.00 mm,
+d1569,deg,0.0 deg,
+d1570,mm,0.00 mm,
+d1571,deg,0.0 deg,
+d1572,mm,0.00 mm,
+d1573,deg,0.0 deg,
+d1574,mm,1.5 mm,
+d1577,mm,1.5 mm,
+d1578,mm,hw_m3insert_d,
+d1579,mm,hw_m3_thru,
+d1580,mm,0.00 mm,
+d1581,deg,0.0 deg,
+d1582,mm,-hw_m3insert_l,
+d1583,deg,0.0 deg,
+d1584,mm,1 mm,
+d1585,mm,3.5 mm,
+d1586,mm,0.5 mm,
+d1587,mm,0.00 mm,
+d1588,deg,0.0 deg,
+d1589,mm,3 mm,
+d1593,mm,5 mm,
+d1595,deg,0.0 deg,
+d1596,mm,-11.00 mm,
+d1597,mm,6 mm,
+d1598,mm,5 mm,
+d1599,mm,4 mm,
+d1600,mm,2 mm,
+d1601,mm,2.1 mm,
+d1602,mm,1.9 mm,
+d1603,mm,0.5 mm,
+d1604,mm,t_bearings * 2,
+d1605,deg,0.0 deg,
+d1608,mm,0.00 mm,
+d1609,mm,t_sheet_MAIN,
+d1610,deg,0.0 deg,
+d1613,mm,12.5 mm,
+d1614,mm,5 mm,
+d1615,mm,3.7 mm,
+d1622,mm,hw_m4_head,
+d1616,mm,-t_sheet_MAIN,
+d1617,deg,0.0 deg,
+d1618,,nh_rail_long,
+d1619,,3,
+d1620,mm,20 mm,
+d1621,mm,20 mm,
+d1626,mm,hw_m3_thread,
+d1627,mm,8.5 mm,
+d1628,mm,4.5 mm,
+d1629,mm,d1627,
+d1630,mm,8.5 mm,
+d1631,mm,4.5 mm,
+d1632,mm,d1630,
+d1633,mm,-t_sheet_MAIN,
+d1634,deg,0.0 deg,
+d1635,mm,hw_m4_tappedwj,
+d1636,mm,5 mm,
+d1638,mm,5 mm,
+d1639,mm,-t_sheet_MAIN,
+d1640,deg,0.0 deg,
+d1641,,7,
+d1642,,10,
+d1643,mm,10 mm,
+d1644,mm,10.00 mm,
+d1645,mm,0.00 mm,
+d1646,deg,0.0 deg,
+d1647,mm,2 mm,