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glass beads warp 20ga. stainless steel #634 11/06/05 05:56 PM
Joined: Jan 2005 Posts: 35 Mishawaka Indiana, USA Dr Peener OP Administrator
OP Dr Peener Administrator Joined: Jan 2005 Posts: 35 Mishawaka Indiana, USA	We manufacture light fixtures from 20 ga. stainless steel. We very much like the appearance of the glass bead blast finish. However we are having trouble with the material warping from the blasting. We tried turning down the pressure, but that just make it take longer to get the desired finish and it still warps. Do you have any suggestions short of using heavier material. Jack Champaigne (Dr. Peener) Editor The Shot Peener

Re: glass beads warp 20ga. stainless steel #635 11/06/05 05:58 PM
Joined: Apr 1999 Posts: 341 Likes: 1 Mishawaka, IN, USA J Jack Champaigne Member
Jack Champaigne Member J Joined: Apr 1999 Posts: 341 Likes: 1 Mishawaka, IN, USA	What size of bead are you using? You might try a smaller glass bead size or ceramic bead.

Re: glass beads warp 20ga. stainless steel #636 02/20/06 05:52 PM
Joined: Feb 2006 Posts: 3 D Daryll McKinley Member
Daryll McKinley Member D Joined: Feb 2006 Posts: 3	Are you peening the fixture all over, or just on one side? If you are only peening one side, then peening the opposite side may cause shape recovery. Daryll McKinley, A Well-Worn Peening Enthusiast

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