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CNC Lathes

SJ-20/23    SJ-25/30/35HT    EL-460

MT-208    MT-308/310/312    MT-412/415

SJ-20 SJ-25 SJ-30 SJ-35 SJ-35MC

Outstanding Performance and High Reliability

ECOCA 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
480 mm 480 mm
Over Cross Slide
222 mm 222 mm
Max. Turning Dia
222 mm 190 mm
Max. Turning Length
320 mm 300 mm
Chuck Size
6/8(opt.) inch 6/8(opt.) inch
Max. X Travel
150 mm 150 mm
Max. Z Travel
325 mm 325 mm
Travel
LINEAR RAIL LINEAR RAIL
Max. Spindle Speed
6000/4500 rpm 4800/4500 rpm
Power Tool Speed
- 4000 rpm
Spindle Nose
A2-5/A2-6 ASA A2-5/A2-6 ASA
Hole Through Spindle
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 20/16(opt.)
Boring Bar Dia
32/25(opt.) mm 32/25(opt) mm
Rapid traverse

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
Feed Motor
X1.6/Z1.6 kw X1.6/Z3.0 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
Ã@ ECOCA SJ-20 MAZAK QUICK TURN 15N VICTOR VT PLUS / 15
Ra ( µm) 0.17 0.2 0.28
Rmax ( µm ) 0.68 0.7 1.1
The data of MAZAK & VICTOR are from their brochure.

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