Additive Plus Subtractive Manufacturing

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HiTekRedNek Guru Join Date: Oct 2006 Location: 44.56024"N 15.307971E Posts: 7886 Good Answers: 265	Additive Plus Subtractive Manufacturing 03/08/2015 6:38 PM
	Amazing that someone didn't think of this sooner. Building up of shafts via molten metal powder has been around a long time,only now they are using it in 3D printing,coupled with a 5 axis milling machine. This video is absolutely hynoptizing. http://singularityhub.com/2015/02/25/one-machine-to-rule-them-all-3d-printing-with-german-precision/ __________________ "A man never stands so tall as when he stoops to help a child." "Never argue with a stupid person.They will drag you down to their level and beat you with experience" "Homo homini lupus"
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lyn Guru Join Date: Oct 2008 Posts: 42376 Good Answers: 1692	#1 Re: Additive plus subtractive manufacturing 03/08/2015 8:52 PM
	I'm sure the thought has been there, it's just waiting for technology to catch up. Metal spraying has been around for awhile. Electric motor re-builders have been doing this for years. Spraying exotic metals is just coming into its own, which seems to me to be what the laser deposition is doing. What's to keep you from using a stock extrusion or shape and adding to it then machine it to net shape?
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LOCKDUKE Guru Join Date: Jan 2011 Location: Indiana Posts: 558 Good Answers: 14	#5 In reply to #1 Re: Additive plus subtractive manufacturing 03/10/2015 2:16 AM
	Lyn, they have been doing metal additive process for quite a few years now. For rare or hard to find engine blocks they have a process to add back what has been machined out or worn , as well it is a harder material as a replacement. Plus crankshafts have had a form of this process recently instead of welding or hard chrome to allow for the offset grinding for stroker cranks to make larger displacement engines. And to allow testing of the cranks after use as hard-chrome won't allow x-ray testing after being done that way. __________________ Four boxes keep America Free The soap box, The ballot box, The jury box, & The cartridge box.
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Tornado Guru Join Date: May 2009 Location: Richland, WA, USA Posts: 21022 Good Answers: 795	#2 Re: Additive Plus Subtractive Manufacturing 03/09/2015 12:20 AM
	Shouldn't that be Additive Minus Subtractive? __________________ In vino veritas; in cervisia carmen; in aqua E. coli.
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dvmdsc Guru Join Date: Mar 2010 Location: In the pool because it is too hot. Posts: 3054 Good Answers: 141	#3 In reply to #2 Re: Additive Plus Subtractive Manufacturing 03/09/2015 2:06 AM
	Is that an algebraic or spinning question? __________________ Plenty of room here
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Don from Oz Guru Join Date: Jan 2013 Posts: 650 Good Answers: 16	#4 Re: Additive Plus Subtractive Manufacturing 03/09/2015 10:44 PM
	Our 3D ModelMaker is a combo additive / subtractive, multi access system with the ability to place active and passive components in a printed circuit BLOCK (vs a 2D board), where the block is built up with conductive and insulating printed materials. The use of the 2 placement tables adds to the speed of production. The tables also tilt, rotate, rise, fall and slide forward and reverse plus left and right for another 5 degrees of freedom. If you are going to get into 3D printing .... well just do it! The system was recognised in the 2014 Australia Zenith Process and Control Engineering Awards, admittedly only with a 'Finalist' status. The officials keep raising the bar! __________________ DY
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Don from Oz (1); dvmdsc (1); LOCKDUKE (1); lyn (1); Tornado (1)

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