Cool.
I understand what you are saying about the internet and becoming aware of people doing DIY machinery. In the last couple of years I've learned a lot. The ability to do low cost CNC machines was a bit of a shock actually.
The inyeresting thing is part of my interest in Gingery or more exactly DIY machonery came from my father. I'm not sure where he got some of his ideas from but he was not shy about making do.
My biggest problem trying to do a major Gingery project is time. So instead I concentrate on overhauling used equipment for now.
David A Frantz
websterindustro@mac.com
Sent from my iPhone.
On Nov 3, 2010, at 4:18 AM, Jose Luis <zmdluis@gmail.com> wrote:
> Hie.
>
> Well, thank you.
>
> Yes, sometimes the chain jumps over the teeths. The sprockets should be bigger, but that's what we had at hand at the time. Most of the material was already used material that we salvage from somewhere.
>
> The 2 bottom rolls are too close together, we did it that way to minimize the flat piece in the begining and in the end of the material beeing rolled. It seemed a good ideia at the time, but it made the machine more dificult to work with. The next one will have this distance also adjustable.
>
> We didn't try to link the adjustment screws together. Some times we need to do cone shaped bars or metal sheet, and this way we can adjust the rolls independently, it also makes it easier to remove the upper roll so we can remove the material after it is bent. And I should confess that I never thougth of it too.
>
> I made this machine with my father a long time before I ever heard of Gingery, and I didn't knew at the time that there were so many people hand building their own machinery. We also had some problems with buying material, there were fewer suppliers and they controled the prices at their will. I can buy now materials at half the price I used to buy 10 years ago!
> Chinese materials and tools and also and mainly the Internet made available a lot of things that we only heard of.
> Now before building anything I make an Internet search and have a look at what others did and how they did it. At that time I didn't.
> On the other hand I learned what works and what doesn't first hand, the next one will be better, or at least will not have the same flaws, maybe others...
>
> José.
>
>
> From: David Frantz
> Sent: Wednesday, November 03, 2010 4:37 AM
> To: gingery_machines@yahoogroups.com
> Cc: gingery_machines@yahoogroups.com
> Subject: Re: [gingery_machines] An example of a job done with an home made roller machine.
>
>
>
> Hi Jose;
>
> Nice bit of art work!
>
> I like your slip rolls very nice indeed!
>
> I do have questions though. They are numbered below.
>
> 1.
> Have you ever had issues with the chain drive jumping teeth? The sprockets are awfully small that is why I ask.
>
> 2.
> Did you consider spreading the two bottom rollers a bit farther apart? Im not an expert by any means but my understanding is that it reduces effort some. It also raise the minimal radius so probably not a good idea.
>
> 3.
> Did you attempt to tie the two jack screws together with a chain to make adjustmeny easier? Or is this not worth the trouble.
>
> In any event the design of this machine is very likeable. I will keep it in mind when it comes time to build one of my own.
>
> David A Frantz
>
> websterindustro@mac.com
> Sent from my iPhone.
>
> On Nov 2, 2010, at 4:29 PM, Jose Luis <zmdluis@gmail.com> wrote:
>
>> Hie, it's a bit of topic but it's just to show what can be done with a slip roller.
>> The pictures are on the same folder as the slip roller machine.
>> The material is 5mm thick stainless steel, some of it was plain rectangular stock, some was laser cut from a sheet of stainless steel.
>> I enjoyed doing it but I regret not having done it bigger. The architect who was suposed to make the drawings wanted it even smaller, I wanted it bigger, it has 80cm diameter, I wanted at least 1 m, the architect wanted just 60cm.
>> I shouldn't have listened to him and done it my way all along.
>>
>> José.
>>
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