Disco DFG840HS

Manufacturer Disco
Model DFG840HS
Year 1996
Country Ireland Ireland
Condition Good
Main category PCB and Semiconductor
Subcategory Semiconductor Equipment
ID P81120056

DISCO DFG840HS Back Grinder
SPEC
available thickness : max Ø200mm (Ø4~8?), 1mm
method of grinding : infeed method grinding

SPINDLE
spindle motor : 4.2kw direct high pressure motor
infeed speed of spindle : 1000~7000min-1 (1000~7000rpm)
infeed speed order grade : 1min-1(1rpm)
stroke : 110mm
cut & send speed : 0.00001~0.080mm/sec

Power
Input : AC200V±10% three phases 50/60Hz
consumption of electrical power : 17kVA(MAX)
noise : plus range 500ns under2000V
earth : JIS thirth under 100?

Air
range of changing pressure : 0.03MPa under(about 0.3kgf/cm2)
current amount : 3001/min above (A.N.R)
dew point : -15?under
remain oil : 0.1 wtppm

Water
use water : distilled water
pressure : 0.2~0.3 MPa (2~3kgf/cm2)
flow amount : 151/min above
temperature : room±2?
Coolant, vaccum pump
use water : city water
pressure : 0.2~0.3MPA
flow amount : coolant 41/min above
vaccum pump 51/min above
coolant temperature : 20~25?(2?/1h)

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