update for fab class

.gitignore

-**.3dmbak
\ No newline at end of file
+**.3dmbak
+**.rhl
\ No newline at end of file

README.md

@@ -2,6 +2,8 @@
 
 Spent some time working this out on the whiteboard today, and threw together some rhino sketches.
 
+![mill](/images/rct-machine-00.jpg)
+
 ![wb](/images/wb-01.jpg)
 
 I'm going for simple, strong-enough, and easy to build. Using rollers and pulleys, or, just as easily, rack and pinion or leadscrew-type actuation.
@@ -95,8 +97,29 @@ M5 Washers 93475A240
 
 also uses long M3's for tuning, nuts, washers. Length to be selected.
 
+### Egregious Errors
+ - bottom rail extremely unhappy, should be smooth and sideways ways should be clear
+
+### Minor Errors
+ - missed a few holes in CAM, double check! 
+ - y block internal boxing has co-dependent assy 
+ - bearing bushings not satisfactory
+ - on double rollers, accomodate washer in between 
+ - motor collar coule be +0.05mm in diameter 
+ - need long M5 for motor -> bearing 
+ - need bigger wall on captive nut for tuning 
+ - need channel in side of motor collet for screw turning 
+ - XZ situation has lots of unaddressed assembly issues 
+ - add clamping features, hole access for final beam -> gantry assembly
+ - have to watch where bolt heads, bolts are - should include those in kinematic units modules 
+ - y gantries should include two rollers in xy space (machine space) constraints 
+
 ## Some Simulation
 
 It occured to me in class today (Rob Hart fabricated the below component!) that the two-bar flexure I had intended was acting much more like a one-link flexure. Whoops, all well. Still does its job. Here's an image of that in any case:
 
 ![onebar](/images/preload-sim.png)
+
+## ooooh
+
+![milling](/images/milling.jpg)
\ No newline at end of file

cad/assembly/dhl-lb-02-allup.3dm.rhl

-Jake
-JARVIS
-Sunday, May 20, 2018
\ No newline at end of file

cad/cam/1001.sbp

+' 1001
+SA
+CN, 90
+IF %(25)=1 THEN GOTO UNIT_ERROR
+&PWMaterial = 0.375
+&PWZorigin = Part Surface
+
+' Drill1
+C7
+&Tool = 1
+C9
+TR, 12000
+C6
+PAUSE 2
+JZ, 0.6
+J2, 3.3969, 41.9784
+J3, 3.3969, 41.9784, 0.6
+J3, 3.3969, 41.9784, 0.6
+J3, 3.3969, 41.9784, 0.2
+J3, 3.3969, 41.9784, 0.2
+MS, 0.3333, 0.3333
+M3, 3.3969, 41.9784, -0.375
+J3, 3.3969, 41.9784, 0.2
+J3, 3.3969, 41.9784, 0.6
+C7
+END
+
+
+UNIT_ERROR:
+CN, 91
+END

cad/cam/dhl-fab-05-1-8-sheets-01.sbp

+' 1001
+SA
+CN, 90
+IF %(25)=1 THEN GOTO UNIT_ERROR
+&PWMaterial = 0.375
+&PWZorigin = Part Surface
+
+' 2D Contour1 (4)
+C7
+&Tool = 1
+C9
+TR, 12000
+C6
+PAUSE 2
+JZ, 0.6
+J2, 39.706, 14.2102
+J3, 39.706, 14.2102, 0.6
+J3, 39.706, 14.2102, 0.2894
+MS, 0.3333, 0.3333
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+END
+
+
+UNIT_ERROR:
+CN, 91
+END