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1 Jul 2020
@cgapeart:tang.ents.cacgapeartThe only dimensions on that which are truly critical are the bolt holes on the outside and round holes in the middle. The surface on either side of the plate needs to be milled flat, as there are gaskets that have to seal.18:09:53
@ArtemusMaximus:tang.ents.caArtemusMaximusI just experimented of making a drawing from a 3D design. It's probably just easier to provide STEP file and get them to CNC it18:10:27
@cgapeart:tang.ents.cacgapeartThe outer perimeter could be oversized a bit. The inside holes are a bit trickier: they were originally sized to balance the strength of the material against the pressure of the clay squeezing through. If they are too small, then the back pressure on the motor increases, if they are too big the could weaken the piece18:15:05
@cgapeart:tang.ents.cacgapeart In any case, CNC milling wouldn't be necessary: this is a job for a plasma, laser, or water jet, and then use a mill to deck the surfaces flat. 18:18:29
@so_:tang.ents.camikebHere's another double center feature drawing, finding the centerline of the part is one of the main references, and then the internal features have a place references from the same edge18:21:17
@so_:tang.ents.camikebtechnical_drawing.008.png
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18:21:31
@cgapeart:tang.ents.cacgapeart (it's a piece from the pug mill worn down through many years of driving abrasive clay through it) 18:21:42
@so_:tang.ents.camikeb From this article https://www.3dhubs.com/knowledge-base/how-prepare-technical-drawing-cnc-machining/ 18:22:18
@cgapeart:tang.ents.cacgapeartHonestly, it could probably be cut by hand with a plasma torch, and then the mill used to deck it of and locate and drill the four holes relative to one another)18:23:43
@cgapeart:tang.ents.cacgapeartThat and a bit of file work.18:24:26
@ArtemusMaximus:tang.ents.caArtemusMaximusI prefer CNC18:32:07
@1665:tang.ents.ca1665 joined the room.18:36:34
@1664:tang.ents.ca1664Hi, I would like to pay for a membership on line here, but what is the next step? Is there a pass or do I just go to the facility? Also is it open during this difficult time? Thanks.19:04:22
@ArtemusMaximus:tang.ents.caArtemusMaximusIf you were member previously and still have keyfob, paying for membership will re-activate the fob19:16:13
@ArtemusMaximus:tang.ents.caArtemusMaximusif you are new, then you need to connect with directors@ents.ca to arrange a meet19:16:57
@ArtemusMaximus:tang.ents.caArtemusMaximusENTS just re-opened week and a half ago19:17:23
@1664:tang.ents.ca1664Thanks I emailed the directors but got no response. I will send another message. Thanks again!19:19:34
@sheep:tang.ents.caRocket Sheepcgapeart entered the space20:49:29
@odonovanchris:tang.ents.caChris O
In reply to @so_:tang.ents.ca
sent an image.
Agreed. Machinists always want to work from a datum line. Makes life so much easier.
20:51:17
@odonovanchris:tang.ents.caChris Oima_45c125d.jpeg
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20:52:29
@odonovanchris:tang.ents.caChris OHere is an example of the accordion keyboard i did20:52:55
@odonovanchris:tang.ents.caChris Oima_ecfec20.jpeg
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20:53:13
2 Jul 2020
@so_:tang.ents.camikeb * Here's another double center feature drawing, finding the centerline of the part is one of the main references, and then the internal features have a place references from the same edge00:29:37
@so_:tang.ents.camikeb
In reply to @1664:tang.ents.ca
Thanks I emailed the directors but got no response. I will send another message. Thanks again!
Might just take a couple of days to get a response, we're still working out how to schedule new member signups and tours, but it's most likely to be evenings and weekends.
00:31:17
@so_:tang.ents.camikeb * Added the distance between the outer holes and the radius around those holes00:47:33
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