I think they are going to look really similar to the Pro QA checksheets, but I don't have any updates as far as completing them. I have a stack of red lines for Pro which I am hoping to get to this week.
May 30 2019
May 29 2019
Meant to post on a different ticket.
Ok here is what the patch looks like:
The report is complete though I don't like the formatting of the template (I think I was supposed to delete all the pages I didn't use). They forgot to screen the supplier name and there are some things we can't easily check such as the exact shade of white powder coat. Dimensionally these check out and I think aesthetically they are passable so I think we are finished here @oliver.
May 28 2019
I took a random sample of 40 extrusions from the pallet on the dock and measured the minor diameters with a pin gauge. Here are the results:
redlines received from @bowman will work on these some time this week.
May 24 2019
@sherylb yes I will plan on it.
May 23 2019
I checked some of the extrusions that we built the alpha units with and they had a minor diameter of 4.45 on average whereas the red tagged extrusions that we are seeing this issue with have a minor diameter of 4.75 on average so that explains it. I'll coordinate an inspection of the backstock and generate the NCMR. I will need to determine a threshold maximum minor diameter for these threads. @tutley @samantha do you have any recommendations? From the documents I've found, M5 x 0.8 threads should have a maximum of 4.33mm minor diameter, but I was thinking we could approve a variance up to 4.6mm without running into any issues.
May 22 2019
@logan Is the HD-BT0158 the same longer fastener added to the frame for redgum recently for the chassis mounts and the thumbscrew leash? If so, then I think that's an easy fix since the hardware will already be stocked at the frame station.
are the threads on the extrusions being checked in QC?
May 21 2019
@DaniAO That's a good question and I don't know the answer. I thought every part that we needed to build a printer had to be on the BoM.
@DaniAO, as part of this bugfix we need a new PN because we split out the final QA from the calibration QA. Can you create a new DC-MS PN for Calibration QA record? We can probably re-use the PN for the final QA record, unless that will be too confusing. If so, we will need a new PN for that too. Currently the file names for the QA checksheet have placeholders in the T6814-T6848-T6806-T6924-T6853-T6852-QA-checksheets branch.
@jperry can you please contact Kingston and find out if they can screen our logo onto these drives and if there is an MOQ and if there is a price break at quanity?
@wolffchadd @robert @paulette you can also power cycle the machine during the dwell that has the "inspect skirt height" message on the screen and that's pretty much the same as the circle gcode but faster.
@west I think a gcode line like M218 X13 might set the offset how you need.
I put in a purchase request for 100 alternate flash drives for testing.
May 20 2019
The part number for these USB sticks is EL-MS0543 and here is a link to the supplier's product page: https://www.theideacatalog.com/specialtyinc/product.cfm?uid=2003663
May 17 2019
@kim I approve using MPN DWHST12BK4 for EL-MS0356.
Yeah nominal on that third one is zero... Might be best at this point to set it back to factory defaults by looking up your machine here: http://devel.alephobjects.com/ao/manufacturing/documents/master_build_log_TAZ_PRO.ods
the thing about the autocalibration is that it does offsets and backlash at the same time. It failed pretty hard on the z nozzle offset calibration in your case @youngmrcarlson what is the z nozzle offset at now?
@Steven I made a calibration-print branch with the source for this calibration print, which is going to help speed up production based on my testing. I think it's in a state that it can be merged in now and included on the next tag, but continuing work will need to be done on upadating the ohai to include images of limit samples for workmanship standards.
If you could post print times too that would be helpful. Getting calipers on the post for min/max measurements is a bonus. Use new polylite pla black and lulzbot green if possible to match production.
I think the backlash setting could be dialed in a little better on that machine. gaps between the lines is a good indicator of that. What were they set to for that print?
@kim normally I think we would want to get a small amount in for a first article, but if the risk is that we go line down, then that might not be an option.
I didn't find the MPN on the datasheet you posted, but I searched it and found https://we-supply.com/heat-shrink-tubing-1-2-x-4-31-adhesive-dual-wall-black-dwhst12bk4 which looks like it will work fine.
@kim what is the part number for this component?
Edit: talked to Kim, this is for the EL-MS0356, not the EL-MS0536.
May 16 2019
@MikeR try this:
I don't think this is ready.
He hasn't pushed the stl of the model he's working on or the cura profile that I know of so I'm limited to editing the gcode. I can do that easily for the bed temp thing at the end, but not so much for the speed settings.
also it's not forming the far right leg of the x vernier on any of the these tests mine included.
The removal temp is too high at 50c and it is set to keep heating. There's no blob though.
Hey @logan can you test this again in a week's time and let me know if it is still an issue? I'm thinking the weekly Tuesday workstation updates might fix this. In the mean time, use firefox for your image uploads. Both chromium and firefox image uploads seem to be working for me fwiw.
Hard refresh solved this.
The permissions match mine, so that checks out.
This seems to be working for me. I'll look at the permissions to see if there is anything amiss there.
@EricNugent I like the skirts. I think it would help to put a pause command in there so you could inspect the skirt and make adjustments then resume. The new edge in the model doesn't prevent the blob and does this high-ish frequency infill on the first layer that is kind of slow. The tower is too fast and melty. It took 26m 16s to print for me.
May 15 2019
Yeah I merged that in too.
I think we could make this look a little prettier with some linear advance, it's definitely building up at the direction changes on the second layer infill and tips of the vernier lines.
Standard PolyLite profile 31 min 11 s
whatever profile was used for vernier_quick_5-15-19.gcode 18 m 19 s
@EricNugent ok testing it now. I just did a default standard polylite PLA print of the smol stl and it took 31 min 11 s (cura 3.6.9 marlin 126.96.36.199). It did still have a blob in it.
@Steven Oh, I remember this now. I already merged this in an just failed to close the ticket.
May 14 2019
On second thought, this is a different issue than the calibration print or it's workmanship standard.
May 13 2019
Next step is to induce offset and backlash errors and take a set of photos of them so we have examples of z offset too high, too low, etc. and add them to the calibration OHAI.
May 10 2019
@oliver I think 2 layers on the base might make for a better looking print. I'll make a model which is a little thicker on the base there.
@oliver that looks pretty good which setting did you change to get the skirts to print first? How long did the print take overall?
@wolffchadd This is a valid request, however, I don't think it makes sense to go back and change products that have already been released to production (unless basic function is broken) and instead we should focus on designing new products which include the features that we would otherwise add to old products, such as these QC checksheets.
@oliver is this request still valid?
I noticed while I was printing yesterday that the ooze is happening during the pre-heat of T1, which happens while T0 is printing the last part of the layer it is on. The pre-heat starts ~50 seconds before the nozzle switch, but the extruder reaches temp in about 25 seconds so it just sits there at temp for about 25 seconds. I looked through the cura settings a little but didn't see any setting to change the pre-heat time, but I think it would help the ooze and blob artifact we are seeing if we could reduce this pre-heat time.