>=20 > On Jun 17, 2011, at 11:30 PM, Gordon Williams wrote: >=20 > Dremel tool with thin cutoff blade will go through it like butter, if I > understand what you are doing. >=20 > Water jet is other possibility that may or may not work. >=20 > Gordon Williams >=20 >=20 > ----- Original Message -----=20 > From: "RussellMc" > To: "Microcontroller discussion list - Public." > Sent: Friday, June 17, 2011 11:13 PM > Subject: [OT]:: How can I most easily cut a Coke can into two vertical > halves? >=20 >=20 >> Looking for a way to most easily, cheaply, quickly, ... cut >> alumin[i]um softdrink cans (Coke, Pepsi, ...) into two pieces with a >> "vertical" cut. ie left with two U shaped pieces when viewed from top. >> No specs on amount of deformation or roughness of edge etc. Target - >> two half barrels which are not obviously rough edged or deformed. >>=20 >> - Two pieces to be as close to halves as reasonably possible (ignoring >> assymetry caused by tab and hole). >>=20 >> - Metal not to be bent or deformed. Clean cut with no need for >> smoothing desirable. Minor post cut tidy up OK. >>=20 >> - Ease of cutting probably important. Low cost more important than >> speee BUT speed is good. Cottage industry / "appropriate technology" >> method preferred although, if a high tech method was very cheap and >> very fast it may be OK. >>=20 >> - Both ends ideally left in place. >> Opened end may possibly be OK to remove. >>=20 >> LASER cutting an obvious choice. >> How much power needed? (focus, conductivity, ...) >> Could a properly focused DVD writer LASER be used (bursts balloons but >> seems unlikely) >> That would be an acceptable "high tech" solution. >>=20 >> Hacksaw or any hand saw tens to be brutal on such a deformable can. >>=20 >> Flame? Hard to be neat or accurate. >>=20 >> EDM - electro erosion. Speed? Would work. >>=20 >> Maybe slipping over a slit mandrel would work with one end removed. >> End removable greatly undesired if possible. >>=20 >> Suitable feed to a suitable high speed blade with good support ...? >>=20 >> Blown abrasive cutting? >>=20 >> ??? >>=20 >>=20 >> Russell >> --=20 >=20 #1 Fill with water and freeze #2 Cut while interior is filled with ice #3 Allow ice to melt or if ice expansion is a problem #1 Fill with liquid wax and allow to cool #2 same as above #3 heat to reclaim wax 99guspuppet --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .