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Archive for February, 2010

Diamond grit size

Tuesday, February 23rd, 2010

Depending the kind of job your diamond wheel has to carry out you need to carefully choose the diamond grit size ( the dimensions of the diamond beads).

The more you have to remove from you glass or stone piece the more important must be the diamond grit size. But if you need to use a coarse grit size it means that after working the material surface will be with a lot of lines and chips.

An other solution can be to use a smaller diamond grit size and to remove less material It eans that you have to work twice with teh same wheel to reach teh total removal required.

Anyway to be properly polished the material surface must be without any chips. So after your coarse diamond grit size you have to use other diamond wheels with smaller diamond grit size to reach a surface able to be polished.

Please find here-by the grit size comparison table

 

Fepa standard

US Mesh

Iso R 565 1972

D1181

8/9

1181/1000

D1001

9/10

1000/850

D851

20/25

850/710

D711

25/30

710/600

D601

30/35

600/500

D501

35/40

500/425

D426

40/45

425/355

D356

45/50

355/300

D301

50/60

300/250

D251

60/70

250/212

D213

70/80

212/180

D181

80/100

180/150

D151

100/120

150/125

D126

12/140

125/106

D107

140/170

160/90

D91

170/200

90/75

D76

200/230

75/63

D64

230/270

63/53

D54

270/325

53/45

 

 

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