Can cross drilled or slotted rotors be machined? - Suspension and Brake Forum

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Can cross drilled or slotted rotors be machined?
Sunday, October 23, 2005 11:29 AM
Can these types of rotors be machined or turned??




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Re: Can cross drilled or slotted rotors be machine
Sunday, October 23, 2005 11:44 AM
No.




Re: Can cross drilled or slotted rotors be machine
Sunday, October 23, 2005 12:35 PM
absolutely not.





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Re: Can cross drilled or slotted rotors be machine
Sunday, October 23, 2005 12:46 PM
for a machining newb: why not?



Re: Can cross drilled or slotted rotors be machine
Sunday, October 23, 2005 2:00 PM
Machzel08 (Cumberbund) wrote:for a machining newb: why not?


A brake lathe works similar to a record player, but vertical. It has an arm with a cutting head that simply moves towards the outer edge of the rotor as the rotor rotates. If the cutting edge were to hit a slot/hole, it would not only damage the head, but also the rotor, much like a scratch in a record.




Re: Can cross drilled or slotted rotors be machine
Sunday, October 23, 2005 6:30 PM
not necesarily.....they cut fine......baer said it was ok to recut them...

yea it is liek a record player....but the needle doesnt move when there is an imprefectionso it just "skips" the ridges/slots

we have a guy who always brings his vette in w/ a baer upgrade and whants the rotors turned before carshows and events



Re: Can cross drilled or slotted rotors be machine
Sunday, October 23, 2005 8:13 PM
Depends on Two things:

1. Are the holes or slots chamfered or otherwise rounded by design? If they are, no you can't machine them, or you will ruin the structure. Ask the manufacturer if you're unsure.

2. Does the machine use a cutting head or a grinding head. Cutting heads work as James stated. Grinding heads work somewhat like a angle grinder, so yes they will work.



Re: Can cross drilled or slotted rotors be machine
Monday, October 24, 2005 6:35 AM
something else to consider is that slotting is meant to help alleviate the need for turning rotors. Since I got my powerslots I havn't had to get my rotors turned at all. But the stocks it was damn near a monthly thing to get rid of the pulsing brakes.


-Chris

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