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nowhere.elysium |
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nowhere.elysium The Pork Lord
Joined: 02 Mar 2009 Karma :
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Posted: 17:55 - 13 Sep 2014 Post subject: DIY topbox rack |
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Since I've had to spend a bit of time at work today, I figured I'd do something that actually served a purpose too. As such, I decided that I'd had enough of not having a topbox actually mounted to my luggage rack, so I set about remedying this.
Much time was spent fannying out getting the measurements of the luggage rack, which is a royal PITA the model, since it doesn't appear to have much by way of straight lines in the design of it.
https://farm4.staticflickr.com/3914/15039626550_5e9471c5b5_c.jpg
This is the best approximation of it that I could manage, which was close enough for the next step.
From that, I put together a basic design for a mounting plate. I decided that I was going to have two layers, because it's easier for me to recess bolts so they're hard for thieving sods to get to if I can sandwich them in the middle of the thing; more on that later.
https://farm4.staticflickr.com/3867/15226283925_9196c2972a_z.jpg
https://farm4.staticflickr.com/3855/15039709807_a915c5f9d5_z.jpg
Single red lines are profile cuts - pretty much outlining the edges, and the bits that look filled (they aren't, in truth, but it's a low-res image, so meh) are area clearance paths: the cutting head goes back and forth and clears the area, as the name would suggest.
So, save the file, and export the G-code.
This unhelpfully shadowy image shows the first stages done:
https://farm4.staticflickr.com/3840/15203246996_b80dee6d18_b.jpg
Then we start outlining stuff:
https://farm6.staticflickr.com/5590/15226281875_bae70316cf_b.jpg
A bit more outlining:
https://farm4.staticflickr.com/3903/15039502359_30cbfca359_b.jpg
On a largely unrelated note, the hood that's covering the routing bit was something I designed and 3D printed a while back:
https://farm6.staticflickr.com/5585/15225905062_4db2e17f1c_b.jpg
https://farm6.staticflickr.com/5560/15039830568_46b3015666_b.jpg
Anyway - back to business. I fitted a set of coachbolts in the recessed holes, so I can sandwich the whole thing together a bit later: for now, I wanted to see if everything lined up OK with the rack.
https://farm6.staticflickr.com/5556/15039598250_7090e6923f_b.jpg
https://farm4.staticflickr.com/3853/15039502179_7253ff40f8_b.jpg
Satisfyingly enough, it would appear that I am met with success.
What remains to be done now is designing and printing a set of brackets with captive nuts, so I can mount the baseplate on to the rack properly. When I've got those successfully prototyped and working, I'll machine the final version out of this weird resin-based material that I inherited from the workspace I'm now in, and make a tidier and more finished-looking product. ____________________ '10 SV650SF, '83 GS650GT (it lives!), Questionable DIY dash project, 3D Printer project, Lasercutter project |
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mintex |
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mintex Nova Slayer
Joined: 10 Jul 2012 Karma :
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Posted: 16:07 - 14 Sep 2014 Post subject: |
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Looking good so far mate |
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Just_James |
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Just_James Could Be A Chat Bot
Joined: 29 Aug 2014 Karma :
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Posted: 21:25 - 14 Sep 2014 Post subject: |
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I need one of those machines |
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blackbosh |
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blackbosh Nova Slayer
Joined: 07 Aug 2014 Karma :
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nowhere.elysium |
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nowhere.elysium The Pork Lord
Joined: 02 Mar 2009 Karma :
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Posted: 21:29 - 14 Sep 2014 Post subject: |
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Just_James wrote: | I need one of those machines |
I imagine you'd like the rest of the workspace as well, then: 8 FDM printers (6x Makerbot 2Xs, 2x Makerbot Z18s), 4 Lasercutters (3x 80w 1200*900mm, 1x 40w 640*450), and the CNC router (1200*1200*100mm).
I'm trying to get hold of a lasercutter that'll cut metal, but no space for it at the moment. I'll also be building a DLP printer or two over the next few months as part of my MSc course. ____________________ '10 SV650SF, '83 GS650GT (it lives!), Questionable DIY dash project, 3D Printer project, Lasercutter project |
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Just_James |
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kramdra |
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kramdra World Chat Champion
Joined: 28 Oct 2010 Karma :
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Posted: 23:51 - 14 Sep 2014 Post subject: |
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... so square bit of wood with 5 holes in it.. that your going to make again with resin plastic?!
If that was my workspace I would sell your tools and buy CNC mill/lathe, tig welder and a furnace for casting alu parts |
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nowhere.elysium |
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nowhere.elysium The Pork Lord
Joined: 02 Mar 2009 Karma :
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Matt B |
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Matt B World Chat Champion
Joined: 01 May 2012 Karma :
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map |
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map Mr Calendar
Joined: 14 Jun 2004 Karma :
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nowhere.elysium |
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nowhere.elysium The Pork Lord
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mentalboy |
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mentalboy World Chat Champion
Joined: 05 May 2012 Karma :
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Posted: 10:59 - 16 Sep 2014 Post subject: |
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Impressive stuff - Especially that extractor boot! I've never seen one with brushes before, is that common in joinery shops nowadays or totally your own idea? (I'd have thought if so that you would have a market for that - or have I totally missed the 'now marketing extractor boots' thread?) ____________________ Make mine a Corona. |
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nowhere.elysium |
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nowhere.elysium The Pork Lord
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nowhere.elysium |
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nowhere.elysium The Pork Lord
Joined: 02 Mar 2009 Karma :
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Posted: 15:24 - 16 Sep 2014 Post subject: |
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Overrated? I has a sad.
Moving onwards, I've now put together the designs for the upper and lower plates, with the recesses for the actual rack cut into them:
https://farm4.staticflickr.com/3837/15258115495_cf4f6bc095_b.jpg
https://farm4.staticflickr.com/3916/15071557768_80f8362461_b.jpg
https://farm4.staticflickr.com/3857/15235108026_7eb3fedba9_b.jpg
https://farm4.staticflickr.com/3892/15071428430_e191cdc7e4_b.jpg
https://farm4.staticflickr.com/3889/15071427680_b22606e27f_b.jpg
Having assembled the plate and test-fitted it on the bike rack, it's become clear that there needs to be a bit more space around the corners in the enclosed area, so I'll be re-cutting that, as marked out below:
https://farm4.staticflickr.com/3909/15257717332_a7874d317f_b.jpg
For those who are unsure as to why I'm going through such a laborious prototyping process, it's because I'm using this as an example project for the BSc Product Design students; ordinarily, I'd happily just measure stuff up first time and refine it with a file, if needs be.
Once this iteration's done, I'll sort the final bolt alignment for the topbox locating pins, set them in place, and that should pretty much be it. I'm also going to work out a decent weight reduction pattern to rout out of the plates themselves, because the material is pretty dense, as has been previously noted.
:edit: I've since modified the design to account for the bits that need trimming out and will trial this one before adding the anchor points for the bolts.
https://farm4.staticflickr.com/3897/15071764958_76fa7ec8d8_b.jpg
The large circles are also going to be routed out in the same manner as the channels from the previous version. ____________________ '10 SV650SF, '83 GS650GT (it lives!), Questionable DIY dash project, 3D Printer project, Lasercutter project |
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sidewinder |
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sidewinder World Chat Champion
Joined: 24 Aug 2011 Karma :
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Posted: 16:27 - 16 Sep 2014 Post subject: |
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Good job.looking forwards to the end result.. |
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nowhere.elysium |
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nowhere.elysium The Pork Lord
Joined: 02 Mar 2009 Karma :
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STONEY! |
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STONEY! Brolly Dolly
Joined: 14 Sep 2005 Karma :
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Posted: 20:39 - 16 Sep 2014 Post subject: |
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Dont get me wrong here, I like making stuff and I am impressed with your hood design and all the cool machines. .....buut why are you making a top box plate when you can buy one for £20-30 with a box that will fit straight on your rack? Wondering if I have missed something or is it just because you can in which case fair enough |
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nowhere.elysium |
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nowhere.elysium The Pork Lord
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P. |
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P. Red Rocket
Joined: 14 Feb 2008 Karma :
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Posted: 20:57 - 16 Sep 2014 Post subject: |
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If you can work out a way for me to mount a top box without buying a spare seat and drilling through the pillion area for my triple, I pay you mega pounds |
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Just_James |
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Joined: 29 Aug 2014 Karma :
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Posted: 21:08 - 16 Sep 2014 Post subject: |
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SQL |
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SQL World Chat Champion
Joined: 09 Aug 2012 Karma :
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P. |
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P. Red Rocket
Joined: 14 Feb 2008 Karma :
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Posted: 21:49 - 16 Sep 2014 Post subject: |
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I have the top box and mounting plate... however I r spastic |
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nowhere.elysium |
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nowhere.elysium The Pork Lord
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nowhere.elysium |
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nowhere.elysium The Pork Lord
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P. |
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P. Red Rocket
Joined: 14 Feb 2008 Karma :
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Posted: 22:41 - 16 Sep 2014 Post subject: |
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I may be in France however I shall have bike there if I do attend so you can have a nosey. Givi do one, but it requires mad £££ and taking shit apart. 2 things I could do without with this bike |
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Old Thread Alert!
The last post was made 9 years, 224 days ago. Instead of replying here, would creating a new thread be more useful? |
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