H960 blank panel clips
tothwolf at concentric.net
Mon Jul 27 17:13:51 CDT 2015
On Mon, 27 Jul 2015, John Wilson wrote:
> On Mon, Jul 27, 2015 at 11:58:36AM -0400, Noel Chiappa wrote:
>> Saw this auction for a pair of H960 blank front panel clips:
>> and though I'd pick them up... until they went for $30 (including
>> shipping),at which point I decided I'd go back to my previous plan to
>> fabricate some out of some scrap wood, and a pair of screws.
>> Time to find someone who can do injection molding... (I don't think
>> these could be 3D printed, the necks of the bulb-heads are under a lot
>> of stress when removing panels, they often snap off; will 3D printed
>> parts be that strong?)
> This is a great idea! I feel bad for never getting around to
> investigating injection molding, since it seems to be one of the few
> surviving industries (that and making wire) here in Western Mass., and
> I'd love to be able to fix (or build from scratch?) lights-'n-switches
> front panels. I only got far enough to find that there are eBay vendors
> who will make molds for you.
> The only thing here is, it's a *terrible* design. Those damn nubs snap
> off so easily (I'm sure decades of outgassing haven't helped), even when
> you're expecting it and being super careful. Making more of the same
> seems like just more heartbreak. So I'd be inclined to do a better
> design where the posts are made of metal (or at least have a screw or
> stud through them for extra strength).
Are the original parts made of nylon? If so, that might explain the
tendency for them to break. Nylon 6/6 is hygroscopic, and over a long
period of time, it could very well be swelling up just enough so the bulb
portions are more likely to break off.
More information about the cctalk