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Working with Styrene
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admin
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Joined: 23 Aug 2010
Posts: 330
Location: Jacksonville, Florida

PostPosted: Wed Aug 25, 2010 11:29 pm    Post subject: Working with Styrene  Reply with quote

It's much easier than most people think.
You will need some basic tools and a flat sturdy table.

Get a solid plastic top table that will give you more than enough room for the styrene too lay flat while you cut. If the styrene hangs off the edge of the table too much, Your cuts will not be as straight and sharp as they could be.

Lowes carries a large blue framing square that make it much easier to cut against. Bolt the short part of the framing square to the back edge of the table. This keeps it from sliding.

Cover the area of the table you'll be cutting the styrene with some metal flashing and glue on tape it down to the table. You can get the flashing at Lowes .

You will need a OLFA knife for cutting the styrene. Lowes has a nice OLFA knife. A OLFA knife is just a razor style knife with breakaway blades.
Always keep a fairly fresh blade going so your cuts will be sharp.

Weldon 3 is the glue you will use to bond the styrene together.
Weldon is a clear liquid that melts the styrene together for a permanent
bond. When using Weldon on .40 (Skin Material) styrene, Use very little Weldon. If you apply to much it will melt and warp the styrene.
If your bonding the frame 3mm (1/8 inch thick styrene) you will need to puddle the Weldon so the thicker styrene will bond.

To be Continued
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ar2de2



Joined: 24 Aug 2010
Posts: 25

PostPosted: Mon Aug 30, 2010 1:08 am    Post subject: Reply with quote

Make sure you close the lid on that weld on glue. It does evaporate when its hot in your garage. Make sure you store it in a cool place. I learned that lesson.
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psycogremlin



Joined: 24 Aug 2010
Posts: 48

PostPosted: Thu Sep 02, 2010 4:13 am    Post subject: Reply with quote

How sturdy are the styrene frames once done? still trying to figure out which type of frame I want and Styrene sounds like a great option but kinda worry about durability.
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ar2de2



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PostPosted: Thu Sep 02, 2010 9:58 am    Post subject: Reply with quote

Once you build the frame and put the skins on it is very sturdy.
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Blsith



Joined: 24 Aug 2010
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PostPosted: Thu Sep 02, 2010 12:47 pm    Post subject: Reply with quote

Those with Styrene droids please correct me, but what I read is that if you want a lot of opening doors/hatches, the styrene frame isn't going to be for you, as the skin + frame is what gives it the durability.
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PostPosted: Thu Sep 02, 2010 10:08 pm    Post subject: Reply with quote

You can have all the doors the a aluminum droid.
The styrene will work fine and you will not loose any of the frame strength.
Dave included this in his plans, You will have a little styrene brace on the back of the panels to retain the curve of the body.
Calvin
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psycogremlin



Joined: 24 Aug 2010
Posts: 48

PostPosted: Fri Sep 03, 2010 4:13 am    Post subject: Reply with quote

I am planning (hoping) to build a droid with all the bells and whistles. I know I will not get it all done at once but want to do my best to make it so I can keep adding one functionality keeping what has already been complete. Since I do not really have any working knowledge of styrene or its durability I'm worried about how it would hold up against extra stresses or the added functions.

For the added functions I'm talking about things like all the gadgets behind the doors, 2-3-2 and so on. In the end, when ever that may be, I want to have a droid that does just about everything. ideally this would be with as little duplication of effort as possible. (if that is possible even)
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admin
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PostPosted: Wed Sep 08, 2010 8:20 pm    Post subject: Reply with quote

The Styrene droids can do everything that a aluminum droid will do.
Dave is working on a 2-3-2 for the styrene and I am also working on a 2-3-2 for my styrene droid.

One thing that will help in the droid doing the 2-3-2 is light weight.
The aluminum droids are so heavy you really need strong motors and that adds more weight.

In my opinion, Styrene is the perfect material to build a droid.
Durable, Light weight, easy to repair.
Calvin
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Spanner Murraan



Joined: 27 Sep 2010
Posts: 23

PostPosted: Mon Oct 04, 2010 4:20 pm    Post subject: Reply with quote

Hey calvin,

I was wondering if a rotary cutting tool like the ones used for fabrics, would work with styrene.  They are basically pizza cutters on steroids.

My girlfriend has one, and i was thinking abut giving it a shot.

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admin
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PostPosted: Mon Oct 04, 2010 8:40 pm    Post subject: Reply with quote

Cool, I've never seen 1 of those before.
Calvin

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