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Table of Contents
Diamond Blade Basics
Diamond Tools & Technology
Factors that Affect Cutting Performance
Diamonds - Key to Successful Cutting
Cutting Depth Chart
Operating Speed Chart
Do's and Dont's
Blade performance is a combination of both cutting speed and blade life. Selecting the right blade (for the saw, the material, and the job) is the most important factor in getting maximum performance. Many other variables also affect blade performance. Changing any one variable will have an effect on cutting speed and blade life. Here are some examples:
RECOMMENDED OPERATING SPEED (RPM)
DIAMETER |
SAFE SPEED - RPM |
MAXIMUM SPEED (RPM) |
8" |
4,536 |
7,640 |
9" |
4,032 |
6,790 |
10" |
3,629 |
6,115 |
12" |
3,024 |
5,095 |
12" |
High Speed |
6,300 |
14" |
2,592 |
4,365 |
14" |
High Speed |
6,300 |
16" |
2,268 |
3,820 |
18" |
2,016 |
3,395 |
20" |
1,814 |
3,055 |
22" |
1,649 |
2,780 |
24" |
1,512 |
2,550 |
26" |
1,396 |
2,350 |
28" |
1,296 |
2,185 |
30" |
1,21 0 |
2,040 |
32" |
1,134 |
1,910 |
36" |
1,008 |
1,700 |
42" |
864 |
1,455 |
48" |
756 |
1,275 |
The chart above is based on 10,000 SFPM (surface feet per minute), which is the general optimum performance range for diamond blades, plus or minus 10%.
Blade shaft speeds (RPM's at no load) for most tools will be higher than the recommended operating speeds shown above. Under normal sawing conditions, the actual blade shaft speed of the tool will slow down under load and should fall within the optimum speed range.
Maximum safe speed in revolutions per minute (RPM) is the maximum speed at which each blade can be used. Before using any blade, make sure the blade shaft (arbor) speed of the tool is within the "maximum safe" limit for that blade.
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