Abrasives and Finishing
Today we start to look into finishing. The number one rule is to start at the desired finish. If the customer wants 4B finish, which is 120-150 grit, why not start by cutting the weld with a 120 flap wheel. Is it going to be slower, yes, but if you can do it in only...
Understanding the ABCs of a Grinding Wheel
What do the letters A-60-SBF mean? A= Aluminum Oxide C= Silicon Carbide Z= Zirconia Alumina The Middle Number is Grit Size 16- 100 The next letter is Hardness grade: N,O,P Soft Q.R.S Medium T,U,V Hard The last two letters are the Bond: B= Resin BF = Resin with...
Abrasive Grit and Materials. What Does it All Mean?
Abrasive Grit Size Abrasive grit size is determined by dropping the grit through a 1 inch by 1 inch screen with the same number of holes that match the grit, so 24 holes equals 24 grit. If the grit gets stopped in that screen then it is 24 grit. Some of the finer...
