CR4 - Thread: Bearing Sleeve with Radius Formation ID

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Guest	Bearing Sleeve with Radius Formation ID 09/21/2009 1:34 AM
	Dear all, Well i have to manufacture a bearing sleeve with process involving cutting, machining, Marking, Heat Treatment, External and internal grinding. I have a problem in internal grinding. I need a radius of 5240 in ID and also to finish its length at the same time. Can any one suggest me a tooling to do this operation with machining or grinding process.
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lynlynch Guru Join Date: Oct 2008 Location: Arizona USA 33.422N. -111.821W. Posts: 2831 Good Answers: 72	#1 Re: Process To Manufacture A Bearing Sleeve With A Radius Formation In ID 09/21/2009 8:02 AM
	5240 in Is that 5240 inches? __________________ If the speed of light hasn't changed, why is it getting dark later?

Labyguy Guru Join Date: Dec 2006 Location: Charlotte, NC USA Posts: 633 Good Answers: 15	#2 Re: Bearing Sleeve with Radius Formation ID 09/22/2009 12:07 PM
	What material and how hard is it? Rc if you don't mind.. __________________ Be careful of what you wish for .....

Sriram K Participant Join Date: Apr 2009 Location: Chennai, India Posts: 4	#3 Re: Bearing Sleeve with Radius Formation ID 09/23/2009 12:20 AM
	5420 in radius.... The Material is a SAE 52100 with a hardness of 60-63 HRC __________________ "Nothing Changes Unless Something Changes"

2tinker Power-User Join Date: Nov 2006 Location: San Carlos -San Francisco Bay area Posts: 156 Good Answers: 10	#4 Re: Bearing Sleeve with Radius Formation ID 09/25/2009 3:49 AM
	Hello there, Is the radius .5240". Would you consider Die sinker EDM and final polishing. The electrode manufacture and the EDM process is easy to control as you can measure with gages etc as you go. With a really fine finishing cut you will have little recast layer from the EDM and the material removal during polishing is very predictable. Good luck. __________________ I like 2 tinker-no, really!

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