ive got warped crossed drilled rotors and alot of people been telling me that they CAN be resurfaced but ive been calling every place that does brake work and tells me that they CANT! is there a special kind of machine that will only do crossed drilled rotors or what? can somebody with this kind of knowledge PLEASE help me!!
2006-10-01 14:13:15 · 7 answers · asked by Ricky H 1 in Cars & Transportation ➔ Maintenance & Repairs
Machining over the holes can damage the lathe bits. On old machines it can shake the lathe head. Technicians these days use on the car equiptment that will cut right thru the holes no problem other than the chamfer around the holes must still be there when cutting is done. And a machine finish not as good as smooth rotors but your used to a little noise.
2006-10-01 14:18:37 · answer #1 · answered by John Paul 7 · 0⤊ 0⤋
What has been said about damaging the cutting tool is true.
ANOTHER Thing to keep in mind is that you are dealing with perforated steel which goes through hundreds if not millions of hot-cold cycles. That's a lot of expanding and contracting. Add some holes to the surface and you've weakened it to some percent. A few thousand miles of wear (enough to warrant a resurfacing) weakends it that much more -- and then you're grinding more material away when resurfacing the rotors... That's a lot of weakened metal for such a crucial safety item.
In relative terms, rotors aren't THAT expensive when you consider the damage that a perforated shattering rotor will cause as parts fly around under the fender!
2006-10-01 14:23:17 · answer #2 · answered by The Jeep Pilot 3 · 0⤊ 0⤋
if they are warped then the metal is junk and resurfacing will be a waste of time as they will only rewarp. These are performance parts and cannot be guaranteed . Most automotive pros run when you fast and furry kind come near. They know that you are beating the car and don't want to touch it. Try the manufacturer's website or call them to see if they can be turned on a lathe.
Take them to an auto parts store and have them turned if they even have the right lathe and adaptors if you must, but you will be back buying new ones for sure.
2006-10-01 14:25:21 · answer #3 · answered by cubcowboysgirl 5 · 0⤊ 0⤋
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2016-12-15 18:04:26 · answer #4 · answered by vanderlinden 3 · 0⤊ 0⤋
because a cutting tool surfaces the rotor as it spins....alll the little holes in the rotor will wreak havoc on the tool and destroy it
2006-10-01 14:15:00 · answer #5 · answered by Anonymous · 3⤊ 0⤋
Try to find the nearest speed shop and ask them if they can do it, and if not they will be able to direct you to some one that can.
2006-10-01 14:19:43 · answer #6 · answered by Anonymous · 0⤊ 0⤋
they would have to be ground not machined
2006-10-01 14:20:11 · answer #7 · answered by natallbad 4 · 0⤊ 1⤋