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Grinding Machine JL-618M
Description:

High-Precision and Performance
"Hand-operated" Model J-618M



Vertical Micrometric Feed


Cross Micrometric Feed

JL-618 Roller Guide Manual
Precision Surface Grinder


SPECIFICATIONS
SPECIFICA
TIONS:
MODEL
DESCRIPTION
JL-614
614M
JL-618
618M
JL-618SA 2A618
3A618
618ATD
JL-818
818SA 2A818
3A818
818ATD
JL-3060AH
3060ATD
General
Capacity
Working
surface of table
mm
(inch)
150x365
(6"x14")
150x465
(6"x18")
150x465
(6"x18")
200x465
(8"x18")
300x648
(12"x25.5")
Max.table travel
mm
(inch)
175x382
(7"x15.2")
175x472
(7"x18.8")
175x472
(7"x18.8")
205x472
(8"x18.8")
380x680
(15"x27")
Max.surface ground
mm
(inch)
150x350
(6"x14")
150x450
(6"x18")
150x450
(6"x18")
200x450
(8"x18.8")
300x600
(12"x24")
Max. distance
center of spindle to table
400(16")
400mm(16")
450mm(18")
600mm(24")
Longitudinal Movement
Table speed
(Infinite Variable)
3~25mm/min
(0.12"~1"/min)
5~23mm/min (0.2"~0.9"/min)
Table quideway
V & V WAY
Cross
Movement
Auto.Cross feed increment approx.
   
0.1mm~5mm(2A)
(0.004"~0.5")
0.1mm~5.5mm/min (0.004"~0.22"/min)
Rapid power cross feed approx.
(mm/min)    
1300(52")mm/min(2A) [60Hz]
1100(44")mm/min [50Hz]
1400(56")mm/min [60Hz]
1200(48")mm/min [50Hz]
Cross feed
on hand wheel
1rev.
1gra.
5mm(0.1")
0.02mm(0.0005")
Cross micrometric feed(Option)
1rev.
1gra.
0.1mm(0.002") Special accessories
0.002mm(0.00005")
Vertica
l Downfeed
Rapid power head elevation approx.
60Hz
50Hz
   
180(7.2")mm/min(3A) [60Hz]
150(6")mm/min [50Hz]
AH 420(350)
mm/min(16.8")
(14") ATD 280
(230)mm/min
(11.2")(9.2")
Vertical feed on hand wheel
1rev.
1gra.
1mm(0.04")
0.005mm (0.0002")
2mm(0.08")
0.01mm(0.0004")
Vertical micrometric feed(Option)
1rev.
1gra.
614/618M
0.02mm
(0.001")
0.001mm (0.00005")
0.02mm
(0.001") Special accessories
0.001mm
(0.00005")
    
Auto. Down feed
   
0.001mm/P,P.S(ATD)
0.001mm/P,P.S
(ATD)
Grinding Wheel
Wheel speed
60Hz /
50Hz
3500/2900 R,P.M
1750/1450
R,P.M
Wheel dimension
mm
(inch)
180x13x31.75
(7.2"x0.5"x1.25")
355x37.5x127
(14.2"x1.5"x5")
Motors
Spindle motor
1.5HPx2P
1.5HPx2P
1.5HPx2P
2HPx2P
5HPx4P
Hydraulic pump motor
   
1HPx6P
2HPx6P
Auto. Cross feed motor
   
5RK-40A-S(2A,3A) (ATD:DC10SP)
1/5HPx6P
Rapid head elevation motor (VERTICL)
   
5RK-40A-S(3A), 103-815-2(ATD)
5RK-90A-S(AH), PK299-01A(ATD)
Coolant motor
1/8HP
Sound
pressure level
Sound pressure level
below 78dB(A)
Weight
Machine
Net weight
Kgs
(Lbs)
570
(1254)
690
(1518)
750
(1650)
850
(1870)
2000
(4400)
Packing Gross weight
Kgs
(Lbs)
670
(1474)
790
(1738)
900
(1980)
1000
(2200)
2300
(5060)
Size
Machine Floor space
(mm)
(inch)
1500X1500
(60"X60")
1800X1100
(72"X44")
1950X1200
(78"X48")
1950X1200
(78"X48")
2600X2050
(104"X82")
Packing
dimension
(LxWxH)
(cm)
(inch) 		134X104
X210
(54"X42"X
84")		 140X104
X210
(56"X42"X
84") 		200X106X
210 ATD
(224X133X210)
(90"X53"X84") 		200X106X
210 ATD
(224X133X
210)
(90"X53"X84")
224X196X210
(90"X78"X84")

M :
SA : SA
2A : 2A
3A/AH : 3A/AH
ATD : ATD
NOTE :
 Micrometric Feed
series are longitudinal by Hydraulic, and cross feed & vertical axes are manual
series are Auto cross feed & Hydraulic longitudinal, and vertical axis is manual
series are Auto cross feed & Hydraulic longitudinal, and Powered rapid vertical feed
series are Auto cross feed & Hydraulic longitudinal, and computerized Auto down feed
The contents of this brochure are for reference only and the manufacturer reserves the right to modify the design specifications, mechanisms...etc. without notice.

NOTE: The contents of this brochure are for reference only and the manufacturer reserves the
right to modify the design specifications, mechanisms...etc. without notice.

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