Klingspor main catalogue Abrasive, cutting-off & grinding discs Page 415
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Diamond tools Technical Glossary Number of revolutions Diamond tools made by Klingspor are high performance products and have been engineered to reach their highest level of performance at a level immediately below their maximum peripheral surface speeds. The maximum permissible values for motor speed and operating speed are indicated on every diamond blade. The table below contains all permissible maximum speeds as a function of the diameter and the maximum permissible operating speed of the diamond tools. Maximum operating speed [m/s] Ø [mm] 200 30 35 40 45 50 55 60 70 80 2,865 3,342 3,820 4,297 4,775 5,252 5,730 6,685 7,640 230 2,491 2,906 3,322 3,737 4,152 4,567 4,982 5,813 6,643 250 2,292 2,674 3,056 3,438 3,820 4,202 4,584 5,348 6,112 100 300 1,910 2,228 2,547 2,865 3,183 3,502 3,820 4,456 5,093 6,360 350 1,637 1,910 2,183 2,456 2,728 3,001 3,274 3,820 4,366 5,450 400 1,432 1,671 1,910 2,149 2,387 2,626 2,865 3,342 3,820 4,770 450 1,273 1,485 1,698 1,910 2,122 2,334 2,547 2,971 3,395 4,240 3,810 500 1,146 1,337 1,528 1,719 1,910 2,101 2,292 2,674 3,056 550 1,042 1,215 1,389 1,563 1,736 1,910 2,084 2,431 2,778 600 955 1,114 1,273 1,432 1,592 1,751 1,910 2,228 2,547 Motor speeds and cooling water quantity The recommended speed range Recommended cooling water quantity The chart illustrates the ideal speed range for drill bits as a function of the diameter and the maximum permissible operating speed. Drill bits require cooling with water regardless of the material on which they are used. Refer to the right side of the table for the recommended quantity of cooling water. 300 14 l 250 12 l 200 7l 120 6l 100 5l Ø [mm] 90 80 70 4l 60 55 50 45 40 35 30 25 20 15 10 3l 300 600 900 1,200 1,500 1,800 2,100 2,400 2,700 3,000 3,300 3,600 3,900 4,200 4,500 4,800 5,100 5,400 5,700 6,000 Recommended speed [rpm] 415 Grinding knowledge 150 Recommended cooling water quantity [L/min] 9l 180
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