Many ppl believe that brake bed-in is just the grinding process to make the brake pad and rotor [disc] rubbing surfaces match together perfectly for optimum abrasive friction.
Brake bed-in is actually more than that. I prefer to call it 'brake conditioning' because apart from grinding the process will also involve depositing of an even layer of coating material on the rotor surface [for adherent friction] as a result of chemical reaction between brake pad material and the rotor metal/alloy under extreme pressure and temperature. Without which the pads and rotor will be subject to excessive grinding hence reduce their life span. That's why some ppl who did not do proper 'brake conditioning' had to replace their brake pads/rotors sooner than the others either due to excessive wear & tear or juddering/vibration or both.
Proper 'brake conditioning' is important in order to optimise both abrasive and adherent friction for the best braking performance as well as to prolong life span of brake pads/rotors and to prevent brake judder, noise, vibration, etc...
How to do Brake Conditioning?
Just Google around. There are lots of different procedures available. Pick the one you think is suitable for you.
Remember ...
"Proper bedding makes it lust longer..." :)
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