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 Post subject: Re: 2240 trigger frame
PostPosted: Fri Feb 14, 2014 6:58 pm 
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Location: Victoria, BC and Clarkston, WA
How big is your table area on the CNC? Just wonder if you could make four at a time instead one. Five years ago we had our programmer redo all the tooling from single parts so we could make 4,6 , 8 or however many we could for a piece of material on the tooling plate.

I have been a machinist for 9 years so take the above info for what it is worth! I don't have any programming experience either. My primary job is Manual Mill and Lathe.

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PostPosted: Fri Feb 14, 2014 8:18 pm 
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My xy travels are approximately 24" x 8". I literally have enough room for at least 30 trigger frame sides on the table at once, but I would need to invest time and money to make a fixture that big. If I thought this little part could make enough to subsidize my hobby, then I would do it. Smallest setup with minimal material loss was two at a time. Tooling changes will be minimal.
But thanks...

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 Post subject: Re: 2240 trigger frame
PostPosted: Sat Feb 15, 2014 10:44 am 
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Derek,
I think you may really be on to something here!
What is the ETA on the first run?

... This has generated a lot of interest.

Dan

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 Post subject: Re: 2240 trigger frame
PostPosted: Sat Feb 15, 2014 2:03 pm 
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Location: Winnipeg
Nice looking work!!! What CAM system are you doing this on?

Since you have a fixture to hold two parts, the logical step is to make the fixture for the second op able to hold two as well and run concurrent with op one. Nothing beats going from bar stock to finished parts in one cycle. The next advance would be dual jigs so you can load/unload the jigs offline and save door open time. Are you using fixture probing or positive location?

What machine are you doing this on and what is the spindle speed?


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 Post subject: Re: 2240 trigger frame
PostPosted: Sun Feb 16, 2014 10:13 pm 
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Location: Woodstock
CAD is Solidworks, CAM is CAD-centric, Spindlespeed varies with tooling, but that was a little 7/32" two flute endmill at 2500rpm for the prototype. The prototypes were cut with three tools, just to keep it simple. The next will feature 8 tools and finishing moves to keep things clean...
The machine is a EMCOMBAT FB450L with added 4th axis.
The little fixture is manually placed on the table so I can work around it and just use it when I have idle time between other parts. It is located via home reference and validated with a digital touch probe. First fixture is a vise...

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 Post subject: Re: 2240 trigger frame
PostPosted: Sun Feb 16, 2014 10:15 pm 
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Reaper wrote:
Derek,
What is the ETA on the first run?


Should start making them this week... If you wanted one in plain aluminum or painted black, very soon... Otherwise they need to deburr and polish for a couple weeks, then annodize.

Michael

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 Post subject: Re: 2240 trigger frame
PostPosted: Sun Feb 16, 2014 11:44 pm 
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Location: Toronto
I would be interested in plane aluminum but at what cost?

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 Post subject: Re: 2240 trigger frame
PostPosted: Sun Feb 16, 2014 11:49 pm 
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Joined: Thu Nov 14, 2013 11:20 pm
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Location: East Garafraxa, ON
I'd like one that way too and I'm curious how much?


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 Post subject: Re: 2240 trigger frame
PostPosted: Mon Feb 17, 2014 3:02 am 
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Location: Victoria, BC and Clarkston, WA
I am still in for three Michael as we talked about off line.

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Pardini K10
Brocock Concept .22
3 Custom Crosman 2260
Benjamin Discovery .22 w/Joe Hickey stock!
Crosman 150 pistol .22
4 Crosman MK 1 pistol .22
Mrodair CP-1M .22 and .177


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 Post subject: Re: 2240 trigger frame
PostPosted: Mon Feb 17, 2014 12:37 pm 
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Awesome Derek!

Just a reminder about how I'm first in line hahaha!

Thank you!!!


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 Post subject: Re: 2240 trigger frame
PostPosted: Tue Feb 18, 2014 11:56 pm 
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My fulltime job is getting in the way once again...
I need to optimize CAM on the second side, tweak the g-code a bit and see if I can get the time on the machine down.
But at this point they will price between $20-30. If you wanted to take one rough, right off the machine and were willing to sand it a little and polish it with a buffer (I can send you some polish), I could reflect that in the price.

Michael

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 Post subject: Re: 2240 trigger frame
PostPosted: Wed Feb 19, 2014 12:44 am 
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DerekVinyard wrote:
My fulltime job is getting in the way once again...
I need to optimize CAM on the second side, tweak the g-code a bit and see if I can get the time on the machine down.
But at this point they will price between $20-30. If you wanted to take one rough, right off the machine and were willing to sand it a little and polish it with a buffer (I can send you some polish), I could reflect that in the price.

Michael


Sounds good! There is no rush on my part!!!

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Pardini K10
Brocock Concept .22
3 Custom Crosman 2260
Benjamin Discovery .22 w/Joe Hickey stock!
Crosman 150 pistol .22
4 Crosman MK 1 pistol .22
Mrodair CP-1M .22 and .177


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 Post subject: Re: 2240 trigger frame
PostPosted: Wed Feb 19, 2014 6:57 am 
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DerekVinyard wrote:
My fulltime job is getting in the way once again...
I need to optimize CAM on the second side, tweak the g-code a bit and see if I can get the time on the machine down.
But at this point they will price between $20-30. If you wanted to take one rough, right off the machine and were willing to sand it a little and polish it with a buffer (I can send you some polish), I could reflect that in the price.

Michael


That would be great! I'm in for one in the rough (!!), maybe a couple. Thanks for offering this option. No rush, whenever you have time is fine.

Jim


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 Post subject: Re: 2240 trigger frame
PostPosted: Wed Feb 19, 2014 7:53 am 
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Joined: Sun Dec 22, 2013 12:25 pm
Posts: 624
Location: New Mexico, USA
This is interesting I would like to see the final product too!


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 Post subject: Re: 2240 trigger frame
PostPosted: Wed Feb 19, 2014 11:48 am 
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Joined: Mon Mar 09, 2009 6:46 pm
Posts: 1395
Location: r Alberta
I will take two rough ones
PM me payment details.


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