Re: Robotic Arm

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Mark Vaughan" <mark@...> wrote:
>
> I'll probably make more money cooking Pizza with it.
>
> The can even have pizza and chips.
>
> So this brings another crazy thought, bulk made pizza's are rather
thrown
> together, no fancy placement to make it al look nice.
>
> Perhaps we should be doing pizza pick n place machines, so the
tomatoes are
> all laid out, the cheese in straight lines…..
>
>
>
> We'll form the Cad Cam pizza corporation.
>
>
>
> Dr. Mark Vaughan Ph'D. B.Eng. M0VAU
>
> Managing Director
>
> Vaughan Industries Ltd, reg in UK no 2561068
>
> Water Care Technology Ltd, reg in UK no 4129351
>
> Addr Unit3, Sydney House, Blackwater, Truro, Cornwall, TR4 8HH, UK.
> Phone/Fax 44 1872 561288
>
> RSGB DRM111(Cornwall)
>
> _____
>
> From: CAD_CAM_EDM_DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of BRIAN FOLEY
> Sent: 28 March 2007 02:01
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] Robotic Arm
>
>
>
> Hi, while your working on the oven put a shift lever so you can
raise it for
> pizza,,,,....and a extra stepper to spin it while your shoving the
sauce to
> it! cul brian f.
> ----- Original Message -----
> From: "Mark Vaughan" <mark@... <mailto:mark%40vil.uk.com> com>
> To: <CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
> DRO@yahoogroups.com>
> Sent: Tuesday, March 27, 2007 4:09 PM
> Subject: RE: [CAD_CAM_EDM_DRO] Robotic Arm
>
> It's strange really that there are so many of us all been playing
with mills
> over the past few months, about to start PnP and reflow soldering.
> I was trying to remember the manufacturers name of my oven earlier and
> couldn't, it is a MADELL.
> The conveyer is just a link chain job formed out of 2mm stainless
wire. You
> could make a jig up to fold links and assemble to do your own. The whole
> thing is about 18 inch wide, and the links are probably about 2.5
inch wide,
> and half an inch apart. The belt travels on rollers and each end,
basically
> a metal rod with several bosses on it, smooth ones in the middle and
> notched, cog like ones at the side to tractor the belt along. A simple
> variable speed motor drives it.
> The heat elements are big bar heaters that generate a lot of heat,
but do
> not glow. About 6KW in all. I have thought about building one and using
> fusion heater tubes from photocopiers, a photocopier also has a nice big
> servo or stepper that drives the paper path that would be ideal for the
> traction belt. The elements are mounted in three boxes that sit
above the
> PCB, each one being a heat zone, with temperature probes about an
inch below
> them that feed into 3 PID temperature controllers, each driving PWM into
> solid state relays to drive the heaters. The inside of the boxes is all
> painted with a thick hi temperature paint, and the outside insulated
with
> something like rockwool, tin foil, and then another rockwool and tin
foil
> lined box over the top of that again with fan blown air circulated
between
> it and the heater boxes, and out to a vent tube. Finally to standard
fans
> blow over the PCB as it exits.
> It's so simple, and they sell for so much money over here, I might
even look
> at making some.
> Hope that helps Jon
>
> Regs Mark
>
> Dr. Mark Vaughan Ph'D. B.Eng. M0VAU
> Managing Director
> Vaughan Industries Ltd, reg in UK no 2561068
> Water Care Technology Ltd, reg in UK no 4129351
> Addr Unit3, Sydney House, Blackwater, Truro, Cornwall, TR4 8HH, UK.
> Phone/Fax 44 1872 561288
> RSGB DRM111(Cornwall)
>
> -----Original Message-----
> From: CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
> DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
> DRO@yahoogroups.com] On Behalf Of Jon Elson
> Sent: 27 March 2007 18:55
> To: CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
> DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] Robotic Arm
>
> Mark Vaughan wrote:
> > Actually the oven would be the easiest thing to make, they say
it's all
> very
> > hi tech, but as you know from your delonghi the technology is
minimal. My
> > conveyer oven does have a few safety issues, like the plug to the
fans is
> a
> > microphone connector with 240V on it, and live pins. My only
complaint is
> > the gap isn't high enough to get a pizza through.
> >
> > I looked at an oven on ebay the other day, it went for £20, I was very
> > tempted until I discovered it was 5m long, 3m wide and draws 50
amps on
> each
> > of three phases. But for others that are interested there are box
table
> top
> > ovens for sale from China starting at around a thousand bucks ($).
> Yup, I am planning on making a 3-zone oven for production. I am
> afraid the toaster oven, with cool-down time, will not be able
> to keep up with the P&P machine. I am first planning on doing
> one side at a time, and the capacitors on the back are going to
> go on mighty quick. Maybe 30 seconds a board.
>
> I've already figured out a conveyor strategy, using miniature
> roller chain pulled through guides on each side. I'd make
> little frames to hold the boards by the edges, with bars to span
> the width of the heating plates and hook onto the chain.
>
> The commercial ovens are REALLY wide, for those huge circuit
> panels the hi-volume makers use. I'd make one that could
> accomodate maybe a 7" wide board. I doubt I'll ever do anything
> where both dimensions are that big.
>
> Jon
>
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