Принятая система обозначения фрезерных сменных режущих пластин Milling Inserts Identification System Symbol Shape H Hexagon O Octagon P Pentagon S Squa

Принятая система обозначения фрезерных сменных режущих пластин Milling Inserts Identification System Symbol Shape H Hexagon O Octagon P Pentagon S Squa

Принятая система обозначения фрезерных сменных режущих пластин Milling Inserts Identification System Symbol Shape H Hexagon O Octagon P Pentagon S Square T Triangle C 80° Rhombic D 55° Rhombic E 75° Rhombic F 50° Rhombic M 86° Rhombic V 35° Rhombic W 80° Trigon L Rectangle A 85° Parallelogram B 82° Parallelogram K 55° Parallelogram R Round Shown angle stands for acute angle for diamond and parallelogram inserts. Shape Symbol Relief Angle A 3:4- B C 7°A D 15°A E 20°4V F 25°A G 30°JV N 0 P 11°A O Other angles Relief Angle Symbol Tolerance (mm) Corner Height Thickness IC Size A ±0.005 ±0.025 ±0.025 F ±0.013 C ±0.013 ±0.025 H ±0.013 E ±0.025 ±0.025 G ±0.13 J ±0.005 ±0.025 ±0.05 ±0.15 K ±0.013 L ±0.025 M ±0.08 ±0.18 ±0.13 N ±0.025 U ±0.13 ±0.38 ±0.13 ±0.08 ±0.25 Insert's periphery is as fired (sintered). Tolerance difference is depending on insert size. Tolerance Symbo Shape W No chipbreaker, with hole T rT7 1 edge chipbreaker, with hole F 2 edge chipbreakers, without hole N No Chipbreaker, Without Hole R V 7 1 edge chipbreaker, without hole M rT7 1 edge chipbreaker, with hole A 1 II 1 No chipbreaker, with hole Hole Chipbreaker Symbol Symbol Shape F Sharp Edge E R-honed T ( Chamfer S r ; Chamfer + R-honed Edge Preparation S E K N 12 03 A F T N Edge Length S Thickness Symbol Thickness 02 2.38 03 3.18 T3 3.97 04 4.76 05 5.56 06 6.35 nr r 'i Approach Angle A 45° D 60° E 75° F 85° H 87° P 90° X 65° c > Relief Angle A 3° B 5° C 7° D 15° E 20° F 25° G 30° N 0° P 11° R 10° S 14° T 22° U 23° Tool Hand Symbol Hand R Right L Left N Neutral Manufacturer's Option Chipbreaker, etc. In case of indicating corner-R(re) at and Corner-R(re) 04 .4 0. Corner-R(re) 08 0.8 12 1.2 16 1.6 20 2.0 e e M9 2 Milling