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Promach Machinery Sdn Bhd
45, Jalan Mutiara Emas 5/16,
Taman Mount Austin,
81100 Johor Bahru,
Johor, Malaysia.
+607-3528355

 +607-3529355
+607-3525355

Our Products

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Optimal Structure Design High PrecisionHigh Rigidity

  • The main structure castings of the machine are manufactured from high quality cast iron, stress relieved for lifetime stability of material.

 

  •  One-piece Fabricated bed construction features increased rigidity and superior machining stability.

 

Headstock

 

  • The headstock is ruggedly constructed to resist heavy turning with excellent heat dissipation performance. Equipped with 3,000/4,200 RPM precision spindle.
  • The spindle has a labyrinth circulation design to prevent moisture and dust from entering into the spindle.

 

CAD/CAE Computer Analysis

 

  •  The machine structure is designed by means of CAD computer software.
  •  Advanced CAE computer software is also applied for optimal structure design. In addition, this software also provides analysis of dynamic, static stress and thermal stress.

 

Box ways on X,Z-axis

 

  • Rapid traverse on X-axis is 20M/min(L-290/M)
  • Rapid traverse on Z-axis is 25M/min(L-290/M)
  • Box way surfaces are hardened and precision ground.

 

High Speed, Precision Turret

 

  •  V8 hydraulic turret(STD.)
  • V12 hydraulic turret(OPT.)
  • V8 NC turret (OPT.)

 

Rigid, Robust Tailstock 

 

L-290/M

  • Tailstock quill diameter 60mmMT NO.4(STD.)
  • Tailstock quill diameter 90mmMT NO.5(OPT.)

L-370 II

  • Tailstock quill diameter 80mmMT NO.5(STD.)

 

Top Quality Electronic Components

 

  •  The electronic parts and connectors meet the rigorous military specifications and industrial specifications. These top quality electronic parts provide extremely stable control performance and long service life.
  • Outstanding control circuit layout combines with modular design to simplify maintenance, while ensuring control performance at all times.

 

Oil Fluid Separation Device

 

  • The coolant system is designed with oil fluid separation to prevent coolant from deterioration or odor.

 

 

Description

Unit

L-290

CAPACITY

Controller

-

0i-Mate TD

Swing over bed

mm

Ø450

Swing over saddle

mm

Ø375

Max. turning diameter

mm

Ø290

Max. work length

mm

515

Distance between centers

mm

600

Bar capacity

mm

Ø52

Chuck size

inch

8"

STROKE

X-axis stroke

mm

165(145+20)

Z-axis stroke

mm

520

FEED RATE

Axial rapid traverse

m/min

X:20, Z:25

Cutting feed rate (X/Z)

mm/min

10000

SPINDLE

Spindle speed

rpm

3000

Spindle nose

-

A2-6

Spindle bore taper

-

1/20

Spindle bore diameter

mm

Ø66

TURRET

Turret type and storage capacity

-

Hydraulic V8/V12 (opt.)

Standard tool size

mm

O.D.25x25, I.D.40

M-axis tool speed

rpm

-

M-Type servo motor output (cont./15min)

KW

-

TAILSTOCK

Quill diameter

mm

Ø60

Quill taper

-

MT NO.4

Quill travel

mm

100

MOTOR

Spindle motor output(cont./30 min)

KW

7.5 / 11

Axis servo motor

KW

X:1.8, Z:1.8

ACCURACY

X/Z axis positioning accuracy

mm

±0.005 / 300

X/Z axis repeatability accuracy

mm

0.004

COOLANT TANK

Coolant tank capacity

L

80

POWER

Power requirements

KVA

20

MACHINE DIMENSIONS

Machine Weight

kg

3700

L x W x H

mm

2280x1565x1645