ak2m4 Posted May 18, 2016 Share Posted May 18, 2016 A friend of mine in the US has sent me over a few sheets of Sorbothane. Anyone got any good advice / tips on making the best cut? Found some interesting ways on other forums such as freezing then cutting and the sharpened cylinder and barrel punch. Guessing laser cutter would be the way to go. Link to comment Share on other sites More sharing options...
Supporters Sitting Duck Posted May 18, 2016 Supporters Share Posted May 18, 2016 hollow punch is best you can get a set on fleabay but make the hole 1mm-2mm bigger than required = 6mm punch aprox as when compressed the sorbo squishes and thus the center hole shrinks a smidge yes freezing is best coz it is a bastid to cut clean - important to cut hole clean or bits will shoot out (trying to drill/cut or burn a hole with a fag don't work too good) ensure you top off with 2mm neoprene on top - rubber washer coz sorbo shreds (found out just a thin 1mm neoprene don't provide enough protection) sorbo on head first then top off with neoprene cylinder is a bit big - need to trim it not to say 23.8mm but more like 20mm coz it expands when squished - also sorbothane gives off a tiny bit of heat as it absorbs to energy/impact (f*ck knows about physics or energy/forces - I care more if it works and stays put ok - superglue bonds rubber/neo/sorbo very well, key the cylinder head blah blah blah blah blah) what you can use ready cut to size except for sorbo hole is this: http://www.ebay.co.uk/itm/252351609259?var=551196799151 http://www.ebay.co.uk/itm/BLACK-NEOPRENE-RUBBER-PENNY-WASHERS-M5-M6-M8-M10-M12-20mm-25mm-30mm-40mm-50mm-/201460144292?var=&hash=item2ee7f5d8a4:m:mhuuDynrv_cDmkHcjFAvu2g (20mm diameter m5) sorbo cut to 20mm discs but not sure if they are recommended 70d sorbo http://www.ebay.co.uk/itm/SRM-TECH-SORBOTHANE-ISOLATING-DISCS-PACK-OF-8-GREAT-VALUE-/331855090038?hash=item4d441ad176:m:mdbA_QRjCTbzsysAd1xUjOg don't get self adhesive sorbo discs - it is crap self adhesive there are some self adhesive neoprene penny washers about but I just super glue it all together though them neoprene glued discs did stick very well - that glue was mega tacky but now clean it all off with alcohol wipes n washing up liquid and just super glue the lot together as it just bonds/fuses them sods together - sand/scratch/key the head and you should be all sorted yes I guess you could sharpen up and old barrel as that is 6mm internal but cylinder might be a bit large outer diameter cut @ 23.8mm, but could trim down a whisker with sharp scissors etc.... main bastid thing is getting hole as clean as possible or shreds of sorbo may start flying out towards your enemy ok if you are low on ammo but think range/grouping is not too clever using sorbo ammo Link to comment Share on other sites More sharing options...
Supporters Samurai Posted May 18, 2016 Supporters Share Posted May 18, 2016 Barrel doesn't need to be sharp. I used it to punch some holes last week. The freezing is new to me. Link to comment Share on other sites More sharing options...
Supporters Sitting Duck Posted May 18, 2016 Supporters Share Posted May 18, 2016 Barrel doesn't need to be sharp. I used it to punch some holes last week. The freezing is new to me. was that just barrel or bb's @ 600fps from sniper ??? Link to comment Share on other sites More sharing options...
Hef Legend Posted May 18, 2016 Share Posted May 18, 2016 A friend of mine in the US has sent me over a few sheets of Sorbothane. Anyone got any good advice / tips on making the best cut? Found some interesting ways on other forums such as freezing then cutting and the sharpened cylinder and barrel punch. Guessing laser cutter would be the way to go. Thought you were flat hopping or R hopping for a second then Link to comment Share on other sites More sharing options...
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