China Double Spindle CNC Lathe 208 Series factory and manufacturers | Oturn

Double Spindle CNC Lathe 208 Series

Introduction:

Dual-spindle CNC lathe with direct-drive synchronous spindles and positive Y-axis structure delivers precise, stable, and efficient machining for complex parts.


Product Detail

Product Features

Product Specifications

Product Video

Product Configuration

Introduction

Turret Design Performance

The integrated positive Y-axis structure is highly rigid, heavy-duty, and has better performance than the interpolation Y-axis.

·Smoother and smoother plane contour processing

·Easier to process compound curved surfaces and contours

Compared with the "interpolation Y", the "positive Y" has obvious advantages in plane milling. The "positive Y" Y-axis movement is perpendicular to the X-axis and is a single-axis movement. The "interpolation Y" Y-axis movement is to interpolate a straight line through the simultaneous movement of the X-axis and the Y-axis. Compared with the "positive Y" for the flatness of the milling plane, the "positive Y" axis processing is obviously bright and smooth.

Direct Drive Synchronous Electric Spindle

High rigidity, high torque, higher efficiency, better finish, more precise indexing.

All major CNC machine parts are made of cast iron HT300 with extremely strong shock absorption capacity.

Features of machine tools with direct-drive electric spindles

●Magnetic ring incremental encoder (sine and cosine) positioning accuracy: 20 arc seconds,

C-axis indexing accuracy: 40 arc seconds

●Fast start-stop response speed, saving machine tool time and effectively improving production capacity

●Small cutting load, energy saving and power saving, better protection of machine tools and extended service life

●Effectively eliminate spindle vibration, good balancing effect, good finish, and improve the surface finish of workpieces

(Advantages of turning instead of grinding, hard turning appearance, surface roughness Ra 0.2μm)

· The spindle motor is equipped with a cooling system to suppress the influence of thermal displacement and ensure that the spindle continues to work at a constant temperature.

(The nose end runout accuracy is within 0.002mm, ensuring more stable accuracy)

· Rear-mounted direct-drive synchronous spindle, more convenient installation and maintenance

· A2-5: 7016AC-front two rear two

· A2-6: front NN3020+100BAR10S, rear NN3018

A2-8: front NN3024+BT022B*2, rear NN3022

Heavy-Duty Cast Iron Base And Components

All castings are optimized using finite element analysis (FEA) to reduce distortion and lift-off shock absorption capacity. The castings of the major series of CNC lathes are reinforced with ribs to enhance rigidity and thermal stability. Compact and symmetrical headstock and tailstock castings further enhance rigidity and ensure high positioning accuracy and repeatability.

Technical Specifications

Item

Name

Unit

208MS

208MSY

Travel

Max. bed rotation diameter

mm

Φ680

Φ700

Max. machining diameter

mm

Φ370

Φ300

Max. rotation diameter on tool holder

mm

Φ300

Φ300

Max. processing length

mm

420

400

Distance between two centers

mm

-

-

Spindle

Cylinder

Chuck

Spindle nose

ASA

A2-6

A2-6

Hydraulic cylinder/chuck

Inch

8’’

8’’

Spindle through hole diameter

mm

Φ79/66

Φ79/66

Max. rod through hole diameter

mm

Φ65/52

Φ65/52

Spindle Max. speed

rpm

4300

4300

Spindle motor power

kw

18/22

18/22

Spindle motor torque

Nm

91-227

91-227

Sub-Spindle

Cylinder

Chuck

Sub-Spindle nose

ASA

A2-5

A2-5

Sub-Hydraulic cylinder/chuck

Inch

6

6

Sub-Spindle through hole diameter

mm

Φ56

Φ56

Sub-Max. rod through hole diameter

mm

Φ46

Φ46

Sub-Spindle Max. speed

rpm

5500

5500

Sub-Spindle motor power

kw

17.5

17.5

X/ZN/S Axis Feed Parameters

X motor power

kw

2.5

2.5

Y motor power

kw

-

1.2

Z motor power

kw

2.5

2.5

S motor power

Kw

1.2

1.2

X axis travel

mm

236

204

Y axis travel

mm

-

100±50

Z axis travel

mm

510

492

X/Z axis rail specifications

spec

35 roller

35 roller

Y axis rail specifications

spec

25 roller

25 roller

S axis travel

mm

600

600

X axis fast move

Mm/min

20

20

Z axis fast move

Mm/min

20

20

Y axis fast move

Mm/min

-

8

S axis fast move

Mm/min

24

24

Servo power

Turret Parameters

Power turret type

/

BMT55

BMT55

Tool station

/

12T

12T

M motor power

kw

5.5

5.5

M axis motor torque

Nm

35

35

Power head Max. speed

rpm

6000

6000

Outer diameter tool holder specifications

mm

25*25

25*25

Inner diameter tool holder specifications

mm

Φ40

Φ40

Adjacent tool change time

sec

0.15

0.15

Positioning accuracy

/

±2”

±2”

Repeat positioning accuracy

/

±1”

±1”

Tailstock Parameters

Programmable hydraulic tailstock

/

-

-

Tailstock Max. travel

mm

-

Sleeve diameter

mm

-

Sleeve travel

mm

-

Sleeve taper

/

-

Dimensions

Overall dimensions

m

2800*2100*1800

2700*2400*2000

Machine weight approx.

kg

5900

5300

Other

Cutting fluid tank volume

L

150

150

Cooling water pump power

kw

0.75

0.75

Hydraulic unit box volume

L

40

40

Hydraulic oil pump motor power

kw

1.5

1.5

Lubricating oil tank volume

L

2

2

Automatic lubrication pump motor power

kw

50

50

Configuration Introduction

Easier To Use And More Powerful

●Fully upgraded design

●Equipped with i HMI

●Equipped with FANUC's latest CNC and servo technology

●Standardized with personalized functions

Expanded memory capacity

Ease Of Use

Prevent sudden machine downtime through preventive maintenance

●Rich fault prediction functions

Easily locate the fault location and shorten recovery time

●Diagnosis/maintenance functions

High processing performance

Shortened Cycle Time

●High-efficiency processing technology

Achieve high-quality processing

Surface fine processing technology

●Diagnosis/maintenance function

High Operation Rate

Always support various operations at the processing site

●FANUC

Personalized Screen Is Easier To Use

●Standardized personalized function

Initiatives in the field of IoT

●Support for a wide range of on-site networks

CNC panel

THK Ball Screw

·C3 grade, using high-precision ball screw, with nut pre-loading and screw pre-tensioning treatment to pre-eliminate backlash and temperature rise elongation, showing excellent positioning and repeatability accuracy.

·Servo motor direct drive to reduce backlash error.

THK Ball Screw

THK Roller Linear Guide

·P grade ultra-high rigidity SRG precision grade, linear guide zero clearance, arc cutting, bevel cutting, surface texture is relatively uniform. Suitable for high-speed operation, greatly reducing the driving horsepower required for CNC machine tools.

·Rolling instead of sliding, small friction loss, sensitive response, high positioning accuracy. It can bear the load in the moving direction at the same time, and the track contact surface is still in multi-point contact during the load, and the cutting rigidity will not be reduced.

·Easy to assemble, strong interchangeability, and simple lubrication structure; the wear amount is very small and the service life is long.

THK Roller Linear Guide

SKF Bearing/Oiling Machine

·Automatic lubricator meets the needs of various applications, suitable for various working conditions, reliable products, flexible use.

·Meet the needs of bearing lubrication in high temperature, strong vibration and dangerous environment.

Each lubrication point uses a volumetric proportional distributor to control the lubrication amount, and the CNC lathe machine can be controlled by PLC to accurately supply oil.

SKF Bearing/Oiling Machine
SKF Bearing/Oiling Machine

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  • Turret Design Performance

    The integrated positive Y-axis structure is highly rigid, heavy-duty, and has better performance than the interpolation Y-axis.

    ·Smoother and smoother plane contour processing

    ·Easier to process compound curved surfaces and contours

    Compared with the “interpolation Y”, the “positive Y” has obvious advantages in plane milling. The “positive Y” Y-axis movement is perpendicular to the X-axis and is a single-axis movement. The “interpolation Y” Y-axis movement is to interpolate a straight line through the simultaneous movement of the X-axis and the Y-axis. Compared with the “positive Y” for the flatness of the milling plane, the “positive Y” axis processing is obviously bright and smooth.

    Direct Drive Synchronous Electric Spindle

    High rigidity, high torque, higher efficiency, better finish, more precise indexing.

    All major machine parts are made of cast iron HT300 with extremely strong shock absorption capacity.

    Features of machine tools with direct-drive electric spindles

    ●Magnetic ring incremental encoder (sine and cosine) positioning accuracy: 20 arc seconds,

    C-axis indexing accuracy: 40 arc seconds

    ●Fast start-stop response speed, saving machine tool time and effectively improving production capacity

    ●Small cutting load, energy saving and power saving, better protection of machine tools and extended service life

    ●Effectively eliminate spindle vibration, good balancing effect, good finish, and improve the surface finish of workpieces

    (Advantages of turning instead of grinding, hard turning appearance, surface roughness Ra 0.2μm)

    · The spindle motor is equipped with a cooling system to suppress the influence of thermal displacement and ensure that the spindle continues to work at a constant temperature.

    (The nose end runout accuracy is within 0.002mm, ensuring more stable accuracy)

    · Rear-mounted direct-drive synchronous spindle, more convenient installation and maintenance

    · A2-5: 7016AC-front two rear two

    · A2-6: front NN3020+100BAR10S, rear NN3018

    A2-8: front NN3024+BT022B*2, rear NN3022

    Heavy-Duty Cast Iron Base And Components

    All castings are optimized using finite element analysis (FEA) to reduce distortion and lift-off shock absorption capacity. The castings of the major series of lathes are reinforced with ribs to enhance rigidity and thermal stability. Compact and symmetrical headstock and tailstock castings further enhance rigidity and ensure high positioning accuracy and repeatability.

    Item

    Name

    Unit

    208MS

    208MSY

    Travel

    Max. bed rotation diameter

    mm

    Φ680

    Φ700

    Max. machining diameter

    mm

    Φ370

    Φ300

    Max. rotation diameter on tool holder

    mm

    Φ300

    Φ300

    Max. processing length

    mm

    420

    400

    Distance between two centers

    mm

    -

    -

    Spindle

    Cylinder

    Chuck

    Spindle nose

    ASA

    A2-6

    A2-6

    Hydraulic cylinder/chuck

    Inch

    8’’

    8’’

    Spindle through hole diameter

    mm

    Φ79/66

    Φ79/66

    Max. rod through hole diameter

    mm

    Φ65/52

    Φ65/52

    Spindle Max. speed

    rpm

    4300

    4300

    Spindle motor power

    kw

    18/22

    18/22

    Spindle motor torque

    Nm

    91-227

    91-227

    Sub-Spindle

    Cylinder

    Chuck

    Sub-Spindle nose

    ASA

    A2-5

    A2-5

    Sub-Hydraulic cylinder/chuck

    Inch

    6”

    6”

    Sub-Spindle through hole diameter

    mm

    Φ56

    Φ56

    Sub-Max. rod through hole diameter

    mm

    Φ46

    Φ46

    Sub-Spindle Max. speed

    rpm

    5500

    5500

    Sub-Spindle motor power

    kw

    17.5

    17.5

    X/ZN/S Axis Feed Parameters

    X motor power

    kw

    2.5

    2.5

    Y motor power

    kw

    -

    1.2

    Z motor power

    kw

    2.5

    2.5

    S motor power

    Kw

    1.2

    1.2

    X axis travel

    mm

    236

    204

    Y axis travel

    mm

    -

    100±50

    Z axis travel

    mm

    510

    492

    X/Z axis rail specifications

    spec

    35 roller

    35 roller

    Y axis rail specifications

    spec

    25 roller

    25 roller

    S axis travel

    mm

    600

    600

    X axis fast move

    Mm/min

    20

    20

    Z axis fast move

    Mm/min

    20

    20

    Y axis fast move

    Mm/min

    -

    8

    S axis fast move

    Mm/min

    24

    24

    Servo power

    Turret Parameters

    Power turret type

    /

    BMT55

    BMT55

    Tool station

    /

    12T

    12T

    M motor power

    kw

    5.5

    5.5

    M axis motor torque

    Nm

    35

    35

    Power head Max. speed

    rpm

    6000

    6000

    Outer diameter tool holder specifications

    mm

    25*25

    25*25

    Inner diameter tool holder specifications

    mm

    Φ40

    Φ40

    Adjacent tool change time

    sec

    0.15

    0.15

    Positioning accuracy

    /

    ±2”

    ±2”

    Repeat positioning accuracy

    /

    ±1”

    ±1”

    Tailstock Parameters

    Programmable hydraulic tailstock

    /

    -

    -

    Tailstock Max. travel

    mm

    -

    Sleeve diameter

    mm

    -

    Sleeve travel

    mm

    -

    Sleeve taper

    /

    -

    Dimensions

    Overall dimensions

    m

    2800*2100*1800

    2700*2400*2000

    Machine weight approx.

    kg

    5900

    5300

    Other

    Cutting fluid tank volume

    L

    150

    150

    Cooling water pump power

    kw

    0.75

    0.75

    Hydraulic unit box volume

    L

    40

    40

    Hydraulic oil pump motor power

    kw

    1.5

    1.5

    Lubricating oil tank volume

    L

    2

    2

    Automatic lubrication pump motor power

    kw

    50

    50

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