| lekernel | i'll probably reuse most of it as a first step | 07:46 |
|---|---|---|
| roh | lekernel: nice concept | 09:17 |
| roh | so its 2x hdmi sdtv input and one vga output for the prototype? | 09:17 |
| roh | lekernel: i thought about your case request, and i think i could design one, but i dont have the tools to manufacture it. but i am actively researching companies who have the tools and could manufacture something like that. | 09:19 |
| lekernel | yes | 09:29 |
| lekernel | roh: http://wilkins-knives.com/about | 09:39 |
| roh | nice. | 09:41 |
| roh | i found http://www.jegel-berlin.de/ | 09:41 |
| lekernel | there's also a list on http://wilkins-knives.com/contact | 09:42 |
| lekernel | I'm wondering if it's be wise to mount knobs and pots on the main board... I'm worried that mechanical stress can bend the PCB and cause the BGA balls to crack | 09:44 |
| lekernel | on the other hand a two-PCB solution is thicker, harder to assemble, and potentially more expensive | 09:45 |
| roh | i think its not a bad idea to put these on another pcb and mount that to the case | 09:46 |
| roh | when you want a milled case the cost for a pcb is not really any issue | 09:46 |
| roh | or mount the frontpanel knobs on the front itself and use wires and connectors on the main pcb | 09:47 |
| roh | thats what i would do, atleast for smaller series (<100) | 09:47 |
| roh | directly connecting 2 pcb with stacking-conn wouldnt remove the stress to the main pcb but only distribute it. most mixing consoles (atleast the more professional ones) use sepeate pcb, connected by cables | 09:49 |
| lekernel | yeah... but I do not want any visible bolts on the front panel | 09:49 |
| roh | use nice ones | 09:50 |
| roh | sunk hex for example | 09:51 |
| roh | also think about repairability. stuff which is used by people on the road tends to break. thats normal and to be expected | 09:51 |
| roh | also you could make hidden bolts from the backside | 10:06 |
| roh | http://www.jegel-berlin.de/galerie.php | 10:07 |
| roh | see the 2nd line, first from the left | 10:07 |
| lekernel | http://www.jegel-berlin.de/upload/cache/phpThumb_cache_jegel-berlin.de_srcf783a2d2f9ca22245de88e3ef5e74da4_par4fa7cdaa7c7772d849b43a4b1da43118_dat1222326307.jpeg :) | 10:21 |
| lekernel | those are for the ticket machines, no? | 10:21 |
| roh | hehe.. could be | 10:22 |
| lekernel | (hidden bolts) nice | 10:23 |
| roh | there seem to be different techniques how to do that. welding these in, or pressing | 10:24 |
| wpwrak | other options: sink the front panel. then you just need grooves in the sides. | 10:52 |
| wpwrak | or bend the front panel to an U shape. then the bolts can go to the side. | 10:52 |
| wpwrak | i think even a fixed stacking provides a lot of relief. a) it adds quite a bit of stuff that can flex and bend, sharing and distributing the load. b) you can choose the safest places for making the mechanical connection (and reinforce them, etc.) | 10:53 |
| mumptai_ | moin | 10:59 |
| --- Fri Oct 12 2012 | 00:00 | |
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