Bulbul Junior 3D Printer operation log – Day 8 (2nd week of 3/2015)

The major cause of excessive uneven print bed was the loose joints of four diagonal rods.

cDSC_0384

cDSC_0393

cDSC_0391

cDSC_0390

cDSC_0389

cDSC_0387

cDSC_0382

dpf2

dpf3

dpf4b

Source
http://boim.com/misc/deltaCalTools.zip
# octave script
#
# Current Delta geometry values:
# X (Endstop Adj): -8.29
# Y (Endstop Adj): -7.19
# Z (Endstop Adj): -11.97
# P (Z-Probe Offset): X23.00 Y-9.00 Z-5.60
# A (Tower A Position Correction): 0.00
# B (Tower B Position Correction): 0.00
# C (Tower C Position Correction): 0.00
# I (Tower A Radius Correction): 0.00
# J (Tower B Radius Correction): 0.00
# K (Tower C Radius Correction): 0.00
# R (Delta Radius): 111.80
# D (Diagonal Rod Length): 215.00
# H (Z-Height): 211.70

# probe4.dat
bed = dlmread('probe4.dat', ",");
bed(:,3) = -bed(:,3);

DP.RodLen = 215.0;
DP.RADIUS = 111.80;
more off
[deltaErr,towerErr] = guessDeltaErr(DP,bed)

#{
-1.09586 0.72471 1.25052 1.80807

nEval = 87
status = 0
err = 0.010827
c =

6.0341e-01
3.0065e-03
5.4365e-03
-8.3239e-06
5.1835e-05
6.7661e-05

deltaErr = -1.0959
towerErr =

-0.72471 -1.25052 -1.80807
#}

Level probe dump

>>> G29
SENDING:G29
-1.280 -1.280 -1.280 -1.220 -1.180 -1.180 -1.180
-0.940 -0.940 -0.820 -0.770 -0.800 -0.860 -0.860
-0.680 -0.570 -0.530 -0.540 -0.600 -0.710 -0.880
-0.470 -0.450 -0.480 -0.540 -0.640 -0.750 -0.930
-0.210 -0.300 -0.380 -0.490 -0.590 -0.740 -0.920
-0.270 -0.270 -0.410 -0.530 -0.700 -0.830 -0.830
-0.400 -0.400 -0.400 -0.540 -0.700 -0.700 -0.700
SENDING:G0 F2000 X0 Y0 Z10
>>> G30 x20 y60
SENDING:G30 X20 Y60
Bed Z-Height at X:20.00 Y:60.00 = -1.2000
Carriage Positions: [152.12, 148.14, 215.08]
>>> G30 x0 y60
SENDING:G30 X0 Y60
Bed Z-Height at X:0.00 Y:60.00 = -1.2900
Carriage Positions: [162.98, 131.86, 213.75]
>>> G30 x-20 y60
SENDING:G30 X-20 Y60
Bed Z-Height at X:-20.00 Y:60.00 = -1.2900
Carriage Positions: [170.83, 109.55, 210.57]
>>> G30 x-40 y40
SENDING:G30 X-40 Y40
Bed Z-Height at X:-40.00 Y:40.00 = -1.0600
Carriage Positions: [189.14, 102.92, 200.27]
>>> G30 x-20 y40
SENDING:G30 X-20 Y40
Bed Z-Height at X:-20.00 Y:40.00 = -0.9900
Carriage Positions: [184.40, 129.79, 205.69]
>>> G30 x0 y40
SENDING:G30 X0 Y40
Bed Z-Height at X:0.00 Y:40.00 = -0.8700
Carriage Positions: [177.27, 149.17, 209.06]
>>> G30 x20 y40
SENDING:G30 X20 Y40
Bed Z-Height at X:20.00 Y:40.00 = -0.8500
Carriage Positions: [167.29, 163.67, 210.35]
>>> G30 x40 y40
SENDING:G30 X40 Y40
Bed Z-Height at X:40.00 Y:40.00 = -0.8800
Carriage Positions: [153.94, 174.57, 209.64]
>>> G30 x60 y20
SENDING:G30 X60 Y20
Bed Z-Height at X:60.00 Y:20.00 = -0.9100
Carriage Positions: [149.98, 192.94, 199.63]
>>> G30 x40 y20
SENDING:G30 X40 Y20
Bed Z-Height at X:40.00 Y:20.00 = -0.8200
Carriage Positions: [166.22, 185.46, 202.47]
>>> G30 x20 y20
SENDING:G30 X20 Y20
Bed Z-Height at X:20.00 Y:20.00 = -0.7500
Carriage Positions: [178.67, 175.30, 203.24]
>>> G30 x0 y20
SENDING:G30 X0 Y20
Bed Z-Height at X:0.00 Y:20.00 = -0.7400
Carriage Positions: [188.07, 161.89, 201.94]
>>> G30 x-20 y20
SENDING:G30 X-20 Y20
Bed Z-Height at X:-20.00 Y:20.00 = -0.7300
Carriage Positions: [194.92, 144.39, 198.57]
>>> G30 x-40 y20
SENDING:G30 X-40 Y20
Bed Z-Height at X:-40.00 Y:20.00 = -0.7500
Carriage Positions: [199.46, 120.93, 193.00]
>>> G30 x-60 y20
SENDING:G30 X-60 Y20
Bed Z-Height at X:-60.00 Y:20.00 = -0.8100
Carriage Positions: [201.83, 86.53, 185.01]
>>> G30 x-60 y0
SENDING:G30 X-60 Y0
Bed Z-Height at X:-60.00 Y:0.00 = -0.7200
Carriage Positions: [209.38, 103.25, 174.49]
>>> G30 x-40 y0
SENDING:G30 X-40 Y0
Bed Z-Height at X:-40.00 Y:0.00 = -0.5400
Carriage Positions: [207.22, 133.40, 183.07]
>>> G30 x-20 y0
SENDING:G30 X-20 Y0
Bed Z-Height at X:-20.00 Y:0.00 = -0.5700
Carriage Positions: [202.81, 154.91, 188.90]
>>> G30 x0 y0
SENDING:G30 X0 Y0
Bed Z-Height at X:0.00 Y:0.00 = -0.6300
Carriage Positions: [196.19, 171.27, 192.40]
>>> G30 x20 y0
SENDING:G30 X20 Y0
Bed Z-Height at X:20.00 Y:0.00 = -0.7200
Carriage Positions: [187.12, 183.90, 193.69]
>>> G30 x40 y0
SENDING:G30 X40 Y0
Bed Z-Height at X:40.00 Y:0.00 = -0.7900
Carriage Positions: [175.27, 193.60, 192.87]
>>> G30 x60 y0
SENDING:G30 X60 Y0
Bed Z-Height at X:60.00 Y:0.00 = -0.9300
Carriage Positions: [159.93, 200.72, 189.84]
>>> G30 x60 y-20
SENDING:G30 X60 Y-20
Bed Z-Height at X:60.00 Y:-20.00 = -1.0000
Carriage Positions: [166.78, 206.17, 177.16]
>>> G30 x40 y-20
SENDING:G30 X40 Y-20
Bed Z-Height at X:40.00 Y:-20.00 = -0.8600
Carriage Positions: [181.53, 199.26, 180.40]
>>> G30 x20 y-20
SENDING:G30 X20 Y-20
Bed Z-Height at X:20.00 Y:-20.00 = -0.7100
Carriage Positions: [193.06, 189.94, 181.34]
>>> G30 0 y-20
SENDING:G30 0 Y-20
Z-Tower Endstop Offsets
-1.3100 X:-8.29 Y:-7.19 Z:-11.97
-1.0400 -0.9300 Tower Position Adjust
-0.5500 A:0.00 B:0.00 C:0.00
-0.0700 -1.0600 I:0.00 J:0.00 K:0.00
-0.6100 Delta Radius: 111.8000
X-Tower Y-Tower Diag Rod: 215.0000
>>> G30 x0 y-20
SENDING:G30 X0 Y-20
Bed Z-Height at X:0.00 Y:-20.00 = -0.4900
Carriage Positions: [201.98, 177.89, 180.08]
>>> G30 x-20 y-20
SENDING:G30 X-20 Y-20
Bed Z-Height at X:-20.00 Y:-20.00 = -0.4000
Carriage Positions: [208.45, 162.23, 176.36]
>>> G30 x-40 y-20
SENDING:G30 X-40 Y-20
Bed Z-Height at X:-40.00 Y:-20.00 = -0.3500
Carriage Positions: [212.77, 141.87, 170.10]
>>> G30 x-60 y-20
SENDING:G30 X-60 Y-20
Bed Z-Height at X:-60.00 Y:-20.00 = -0.2500
Carriage Positions: [215.15, 114.31, 161.09]
>>> G30 x-40 y-40
SENDING:G30 X-40 Y-40
Bed Z-Height at X:-40.00 Y:-40.00 = -0.3400
Carriage Positions: [216.12, 146.90, 153.13]
>>> G30 x-20 y-40
SENDING:G30 X-20 Y-40
Bed Z-Height at X:-20.00 Y:-40.00 = -0.4300
Carriage Positions: [211.83, 166.59, 160.04]
>>> G30 x0 y-40
SENDING:G30 X0 Y-40
Bed Z-Height at X:0.00 Y:-40.00 = -0.5400
Carriage Positions: [205.45, 181.83, 164.13]
>>> G30 x20 y-40
SENDING:G30 X20 Y-40
Bed Z-Height at X:20.00 Y:-40.00 = -0.6600
Carriage Positions: [196.78, 193.73, 165.64]
>>> G30 x40 y-40
SENDING:G30 X40 Y-40
Bed Z-Height at X:40.00 Y:-40.00 = -0.7700
Carriage Positions: [185.52, 202.90, 164.66]
>>> G30 x20 y-60
SENDING:G30 X20 Y-60
Bed Z-Height at X:20.00 Y:-60.00 = -0.7200
Carriage Positions: [198.27, 195.24, 145.28]
>>> G30 x0 y-60
SENDING:G30 X0 Y-60
Bed Z-Height at X:0.00 Y:-60.00 = -0.5600
Carriage Positions: [206.91, 183.49, 143.58]
>>> G30 x-20 y-60
SENDING:G30 X-20 Y-60
Bed Z-Height at X:-20.00 Y:-60.00 = -0.4600
Carriage Positions: [213.24, 168.39, 138.83]

Text data file for octave
20.00,60.00, -1.200
0.00,60.00, -1.29
-20.00, 60.00, -1.29
-40.00, 40.00, -1.06
-20.00, 40.00, -0.99
0.00, 40.00, -0.87
20.00, 40.00, -0.85
40.00, 40.00, -0.88
60.00, 20.00, -0.91
40.00, 20.00, -0.82
20.00, 20.00, -0.75
0.00, 20.00, -0.74
-20.00, 20.00, -0.73
-40.00, 20.00, -0.75
-60.00, 20.00, -0.81
-60.00, 0.00, -0.72
-40.00, 0.00, -0.54
-20.00, 0.00, -0.57
0.00, 0.00, -0.63
20.00, 0.00, -0.72
40.00, 0.00, -0.79
60.00, 0.00, -0.93
60.00, -20.00, -1.00
40.00, -20.00, -0.86
20.00, -20.00, -0.71
0.00, -20.00, -0.49
-20.00, -20.00, -0.40
-40.00, -20.00, -0.35
-60.00, -20.00, -0.25
-40.00, -40.00,-0.34
-20.00, -40.00, -0.43
0.00, -40.00, -0.54
20.00, -40.00, -0.66
40.00, -40.00, -0.77
20.00, -60.00, -0.72
0.00, -60.00, -0.56
-20.00, -60.00, -0.46

About janpenguin

Email: janpenguin [at] riseup [dot] net Every content on the blog is made by Free and Open Source Software in GNU/Linux.
This entry was posted in Reprap 3D Printer and tagged , , , , , , , . Bookmark the permalink.

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