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Author Topic: Some wing molds out of mdf off of my big mill  (Read 6060 times)
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chad
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« on: December 21, 2006, 10:49:58 PM »
Some molds.

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chad
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« Reply #1 on: December 21, 2006, 10:50:23 PM »
More

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Brian Barker
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« Reply #2 on: December 21, 2006, 11:04:26 PM »
Nice looking part! I need to build a mill that size at some point... How much did that endup costing in the end? (I could put a 5 axis head on that!)
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chad
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« Reply #3 on: December 21, 2006, 11:13:57 PM »
I don't know how much total... We stopped keeping track. Somewhere around a new Bmw 328xi. Wink

I am redesigning my 5 axis head this winter, the only problem is there is a certain software that i love that doesn't yet support 5 axis  Grin

Chad

 
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ynneb
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« Reply #4 on: December 21, 2006, 11:24:57 PM »
Beautiful. I must say I doubted the length of your Z axis for stability.
You have proven me wrong.
Nice looking cuts.
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chad
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« Reply #5 on: December 21, 2006, 11:33:14 PM »
Thanks!  I was worried about it too. I added 140lbs of lead to the end of the z tube to help with resonances work pretty well. The z is really heavy and the steel is 1/4 inch thick so it is pretty burly. I can take a 3/4 cut out of mdf with a 1/2 by 2" carbide router bit at 300+ ipm. The z its self is really pretty rigid.   

Chad
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Brian Barker
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« Reply #6 on: December 21, 2006, 11:33:29 PM »
You are not wrong, just less right  Roll Eyes

How fast do you run that Mill? also I sent you a message off list on the board Chad
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chad
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« Reply #7 on: December 21, 2006, 11:41:10 PM »
I usually take about 1/2 inch bites at around 250-300 ipm. If it is doing CV stuff i have to run about 220 ipm, any faster or slower I get the dredded jerks.

Chad
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faby
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« Reply #8 on: December 22, 2006, 03:53:06 AM »
I made something like that 4 month ago... but mine was for a 1:5 model car.
The mold was made in acrylic resin (i'm not sure of translation) and glossy finished.

Good job chad

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