1295 Каталог KORLOY 2020 Инструмент и оснастка для станков по металлу Стр.L35

Каталог KORLOY 2020 Инструмент для станков по металлу Стр. L35 1295 Lab2u

Drills L 3) Grinding operation-Grinding point - Check damage and wear at the point and remove it completely - The difference of the lip height is kept within 0.02 mm Point angle (a): 140° Point relief angle (b)t: 8° 15° The difference of the lip height Max. 0.02 mm 4) Grinding operation-Thinning grinding - Considering N/L width Cutting edge length from the center of drill axis should be 0.03 0.08mm for balancing - Set the wheel to tilt drill axis by 34° 40°. Thinning angle (a)°: 155° 160° Thining open angle (b): 100° 105° Thinning relief angle (c): 34° 40° 00-105 30'-40' 5) Grinding-N/L grinding and honing - Using diamond chisel Grinds the width flat along point cutting edge - After negaland operation Finishes with brush or handstone N/L width (a): 0.05mm 0.16mm/N/L angle (b): 24° 26° TIP Making point - Without center drill, the point width should be below 0.10 mm Recommended grinding condition - Diamond wheel: 240 400 mesh - Diamond chisel: 400 600 mesh - Diamond hand stone: 800 1500 mesh O Hexagonal socket bolt (clamping screw) size Counter boring and size of bolt hole for hexagonal socket bolt ISO (d) M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 0d1 3 4 5 6 8 10 12 14 16 18 20 22 24 27 30 0d' 3.4 4.5 5.5 6.5 8.5 11 14 16 18 20 22 24 26 30 33 0D 5.5 7 8.5 10 13 16 18 21 24 27 30 33 36 40 45 0D' 5 8 9.5 11 14 17.5 20 23 26 29 32 35 39 43 48 H 3 4 5 6 8 10 12 14 16 18 20 22 24 27 30 H' 2.7 3.6 4.6 5.5 7.4 9.2 11.0 12.8 14.5 16.5 18.5 20.5 22.5 25 28 H" 3.3 4.4 5.4 6.5 8.6 10.8 13.0 15.2 17.5 19.5 21.5 23.5 25.5 29 32 0D' ,0D 0d' 0d 0d' 0d, Technical Information 35