T6-6061 Aluminum sanding questions

[mpierich]

Originally Posted by baz

i havn t done shovel head cases for a while but caveman castings is probably an understatement i that case . for the tight areas i make my own cartrige rolls
i have different size and shape mandrels with a split opening so i insert and roll my abrasive paper on it , might sound caveman type way of doing but i get the roll the size and shape i need in the grit that i want . have a look at my vrod engine in the member galery .i dont like working with real cartrige rolls
the tips wear out too fast i go through a box of 100 in no time

Yeah, I had forgot about the split mandrels...since I usually stop around 320-400 never really needed 'em. Now, if I ever have time to polish my _own_ stuff, heheh...

For the cart rolls, I got extra mandrels in the various lengths. Nip off half the smooth end part and you can use it for worn rolls - get twice the use out of them.

[baz]

Originally Posted by mpierich

Yeah, I had forgot about the split mandrels...since I usually stop around 320-400 never really needed 'em. Now, if I ever have time to polish my _own_ stuff, heheh...

For the cart rolls, I got extra mandrels in the various lengths. Nip off half the smooth end part and you can use it for worn rolls - get twice the use out of them.

yeah i do that too when i work with cartriges. i was woking on twin cam heads today , a full polish show job
even the 3/16 rolls are too wide to get inside most places