CNC Lathes Computer
LY Series
     LY-206
     LY-208/208MC
     LY-308/310
     LY-312MC
     LY-412MC
     LY-415MC
     LY-418MC
MT Series
     MT-208
     MT-308/310/312
     MT-412/415
     MT-518/520
ELECTRONIC LATHES
HIGH SPEED LATHES
To be out of the SJ series
     SJ-20/23
     SJ-25/30/35
Vertical machining centers for hard-rail line
     MV-600/818
     MV-1000~1300
     MV-1400~1800
     MV-2000~3200
Vertical machining center series of rails
     MVL-600
     MVL-818
     MVL-1000
     MVL-1100
     MVL-1200
     MVL-1400
Horizontal machining center-series
     MH-450
     MH-500A/B
     MH-630A
     MH-630B
     MH-800A/B
Cutting Center attack Drilling Machine
     MTC-450
     MTC-500
     MTC-510A
     MTC-510B
     MTC-560
     MTC-600
 
Outstanding Performance and High Reliability

DAIWAECOCA SJ-20 is modern & high speed CNC Lathe.
With outstanding features to provide high productivity & reliability to the end user for several years.

This rugged little machine has an excellent capacity envelope and its 45 / 52mm (optional) bar capacity makes it and ideal alternative for barwork applications.

Its compact size makes it ideal for the smallest workshops and guarantees the fastest payback on your investment.


SJ-20


MODEL SJ-20 SJ-20MC
Swing Over Bed
380 mm 380 mm
Over Cross Slide
225 mm 225 mm
Max. Turning Dia
225 mm 170 mm
Max. Turning Length
320 mm 300 mm
Chuck Size
6/8(opt.) inch 6/8(opt.) inch
X Axis Travel
150 mm 150 mm
Z Axis Travel
325 mm 325 mm
Guideway Type
LINEAR RAIL LINEAR RAIL
Max. Spindle Speed
6000/4500 rpm 6000/4500 rpm
Power Tool Speed
- 4000 rpm
Spindle Nose
A2-5/A2-6 ASA A2-5/A2-6 ASA
Through Spindle Hole Dia
51/62 mm 51 mm
Draw Tube Dia

45/52 mm

45 mm

Front Bearing Dia
80/100 mm 80/100 mm
No. of Tool Positions
8T/12T 8T/12T
Size of External Turning Tool
20/16(opt.) 20/16(opt.)
Boring Bar Dia
32/25(opt.) mm 32/25(opt) mm
Rapid Traverse Rate

X24/Z24 m/min

X24/Z24 m/min

Cutting Feed
1.26 m/min 1.26 m/min
Quill Dia
58 58
Quill Taper
MT-4 MT-4
Quill Travel
88 mm 88 mm
Spindle Drive Motor
5.5/7.5 kw 5.5/7.5 kw
X Axis Motor
1.6 kw 1.6 kw
Z Axis Motor
1.6 kw 1.6 kw
Power Tool Motor
- 1.5/2.2 kw
Power
21KVA 21KVA
Coolant Tank Capacity
125 Liter 125 Liter
Floor Space
1800*1450 mm 1800*1450 mm
Net Weight
3300 kg 3300 kg
Positioning
0.005 0.005
Repeatability
0.002 0.002
Option : Spindle Speed 20 ~ 6000 rpm

The comparisons of surface roughness

A@ ECOCA SJ-20 MAZAK QUICK TURN 15N VICTOR VT PLUS / 15
Ra ( gm) 0.17 0.2 0.28
Rmax ( gm ) 0.68 0.7 1.1

The data of MAZAK & VICTOR are from their brochure.



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