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ROOM 1601,16TH FLOOR TOWER A NO.688 DALIAN ROAD,SHANGHAI CHINA
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ROOM 1601,16TH FLOOR TOWER A NO.688 DALIAN ROAD,SHANGHAI CHINA
Tel: +86  21-65070417
Fax: +86 21-65070308
Email: sales@orientalshanghai.com.cn
Zip code: 200082
 
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International Standardization of Grit Size for Diamond Wheel
JIS Standard FEPA Standard US Standard
#60 D251 60/70
#70 D213 70/80
#80 D181 80/100
#100 D151 100/120
#120 D126 120/140
#140 D107 140/170
#200 D76 200/230
#230 D64 230/270
#270 D64 270/325
#320 D46 325/400
#400 D40 400/500
#500 D35 40-50um
#600 D30 30-40um
#700 D25 20-40um
#800 D20 20-30um
#1000 D15 15-25um
#1200 D15B 10-20um
#1500 D15A 8-16um
Concentration Table for DIA Wheel
DIA Diamond weight in carats per cm3 abrasive volume
C50 2.2ct/cm3
C75 3.3ct/cm3
C100 4.4ct/cm3
C125 5.5ct/cm3


Concentration Table for CBN Wheel
CBN CBN weight in carats per cm3 abrasive volume
V120 2.09ct/cm3
V180 3.13ct/cm3
V240 4.18ct/cm3
V300 5.22ct/cm3


Wheel Grinding Speed
bond Resin bond Metal bond Vitrified bond
Wet grinding 1200-1400m/min 900-1600m/min 1000-1500m/min
Dry grinding 700-1000m/min 500-700m/min 600-800m/min


Wheel Grinding Feed
Grit Size #100~140 #170~240 #240以下
Feed 0.055mm 0.035mm 0.015mm
Types of DIA and CBN
D - Natural diamond
SD - Synthetic diamond
SDC - Synthetic diamond with metal coating
CBN - Cubic Boron Nitride
CBNC - Cubic Boron Nitride with metal coating
 
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