Drilling A Die Plate - CR4 Discussion Thread

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SYED MD. ANWAR UL ISLAM Commentator Join Date: Nov 2010 Posts: 72 Good Answers: 2	Drilling A Die Plate 06/24/2011 1:21 PM
	Hi all! Would anybody clarify/describe me what is optical polish, Mirror polish & gun drilled. These terms are used in case of drilling steel/metal alloy plates for pellet mills, making them into die. What alloy can be used other than chromium steel, which can resist shear?
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Doorman Guru Join Date: Apr 2009 Location: Yellowstone Valley, in Big Sky Country Posts: 7425 Good Answers: 295	#1 Re: Drilling a die plate 06/24/2011 1:54 PM
	"Gun Drilled", I would presume, would mean to drill with a gun drill. This is a special sort of drill with a hollowed center to allow cutting fluid (or air) to flow to the tip. These are usually used in long (deep) holes, as long as 300 diameters. More about these here. __________________ Semper Ubi Sub Ubi
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