Abrasives cutting grinding wheel

Abrasives Cutting Grinding Wheel

1.Wheel type and center shape

41 = cut-off wheel, flat center

42 =cut-off wheel depressed center

27 =Grinding wheel, depressed center

2. Abrasive type

A=Brown Aluminium oxide
WA=White Aluminium oxide
A.C.

A.WA

C=Black Silicon carbide
GC=Green Silicon Carbide
AZ=Alumina-zirconia

CBN

3. Grit size

Coarse: 20# 24#

Medium: 30#, 36# 46#, 60#

Fine: 70#, 80#, 100#,120#, 180#

4.Hardness

Soft: M.N.

Medium: P.Q.R.

Hard: S.T.

5. /

CUTTING WHEEL

CARBON STEEL A24-36Q

(50-75MM) CARBON STEEL A24-36P, A24-36M

STAINLESS STEEL AWAP

COPPER C30N

BRASS A24R

BRICK C24-30Q

STONE C30P

GRINDING WHEEL

REGULAR STEEL A24. 30 Q.R.

STAINLESS STEEL WA36M.N

CAST STEEL AC24.30P.Q

ALUMINUM C30.36N.P

COPPER C36M

CONCRETE BRICK C36M

GLASS & STONE GC36-46M.N.

6. Maximum operating speed

R.P.M.= Revolutions Per Minute

In m/s 72, 80, 100

mm 72m/s (R.P.M.) 80m/s (R.P.M.) 100m/s (R.P.M.)

50 30850 38180

76 20100 25130

100 13700 15200 19000

115 11900 13300 16100

125 11000 12200 15250

150 9100 10200 12750

180 7600 8500 10625

200 6800 7640 9550

230 5950 6600 8250

255 5370 6000 7500

305 4600 5100 6370

355 3900 4400 5500

405 3400 3800 4750

500 2820 3055 3820

Next: High Speed Steel materials