Example of a marked product
face 41-cutting circles
6S-for floor grinding
7C-for flat Grinding
9C -for rail grinding
D -outer diameter
H -hole diameter
14A (A) Electrocorundum normal
25A (WA) Electrocorundum White
38A (ZK) Zirconium Electrocorundum
53C, 54C (C) Black Silicon Carbide
63C, 64C (GC) Silicon Carbide Green
F10 (200) - F3 F10(50)
F12(160) - F12(160)
F14 (160) - F14 (40)
F16 (160/125) - F54(32)
F20 (100) - F60(25)
F22 (80) - F70(20)
F24 (80) - F80(20)
F30 (63) - F90(16)
F100 - (12)
F120 - (10)
F150 - (8)
F180 - (6)
F220 - (5)
F230 - (M63)
F240 - (M63/M50)
F280 - (M50)
F320 - (M50/M40)
F360 - (M40)
F400 - (M28)
F500 - (M20)
F600 - (M14)
F, G - (VM1, VM2)- VERY SOFT
H, I, J - (M1,M2, M3) - SOFT
K, L - (CM1, CM2) - MEDIUM SOFT
M, N - (C1, C2) - AVERAGE VALUES
O, P, Q - (CT1, CT2, CTZ) - MEDIUM-HARD
R, S - (T1,T2) - SOLID
T - (W) - VERY HARD
V - (THU) - EXTREMELY HARD
1-2-3-4 ➡ closed
V (K) - CERAMIC
B (B) - BAKELITE
BF (BU) - BAKELITE WITH STRENGTHENING ELEMENTS
B4 (B4) - BAKELITE WITH GRAPHITE
Choice of abrasive material:
BRAND OF ABRASIVE MATERIAL ==== SCOPE OF APPLICATION
14A (A) Обработка Processing of materials with high tear resistance, roughing of steel castings, rolled products, high-strength cast irons, processing of carbon and alloy steels, bronze, nickel and aluminum alloys.
25A (WA) Обработка Processing of hardened parts made of carbon, high-speed and stainless steels. Processing of fine parts and tools (teeth, knives, drills, incisors), sharpening.
38A (ZK) Сил Power roughing of steel workpieces.
54C; 63C (S; GC) Обработка Processing of hard materials with low tear resistance (cast iron, bronze, brass, hard alloys, glass, precious stones, marble, granite, porcelain), as well as very viscous materials (heat-resistant steels, alloys, copper, aluminum).
GRANULARITY ====== TYPE OF PROCESSING
F10-F22 (200-80) Обд Roughing operations with a large cutting depth, stripping workpieces, castings. Processing of materials that cause salting of the wheel surface (brass, copper, aluminum).Cutting, flat grinding with the end of the circle, sharpening of incisors, straightening of abrasive tools.
F22-F36(80-50) Отрез Segments, flat grinding with the end of the circle, sharpening of cutters, straightening of abrasive tools.
F30-F60(63-25) ⇨ Pre-and combined grinding, sharpening of cutting tools.
F40-F220 (40-5) ⇨ Flat grinding.
F54-F90 (32-16) ⇨ Fine grinding, profile surface treatment, sharpening of small tools, grinding of brittle materials.
F100-F180 (12-6) ⇨ Finishing grinding, finishing of hard alloys, finishing of cutting tools, steel workpieces, sharpening of thin blades, pre-honing.
F180-F280(6-M50) ⇨ Finishing grinding of metals, glass, marble, etc., thread grinding, finishing honing.
F230-F600 (M63-M14) ⇨ Superfinishing, final honing, fine blade finishing, fine pitch thread grinding, polishing.