Product

CK6140T Large hole CNC lathe

 

 

CK6140T Features Photos

 

CK6140T Large hole CNC Lathe

1. Main features

1.)   big spindle bore dia (Φ70mm)

2.)   big swim over the bed dia (Φ420mm)

3.)   high spindle speed (2800rpm)

4.)   wide casting at all the foot of the bed;30mm higher side to Stop water

5.)   theguide rail wid2th (340mm)

6.)   Double triangle guide rail.

7.)   Tailstock is double platen to strength

8.)   independent spindle and frequency conversion stepless

9.)   Feed of X Z axis are driven by ball screw with servo-motor or stepper motor.

10.) the guideway use hyperacoustic quenching.

11.) Hardended and ground bed guide way coated with Turcite-B

12.) high pression ball screw, High rigid precision composite bearing structure

13.) ball screw and the guide surface combination use automatic lubrication system.

2. Technical parameters

Item

Project name

Technical paramaters

technical specifications

Max.swiming over the bed dia. (mm)

Φ420

Max.swiming over pallet(mm)

Φ230

Max.the workpiece length(mm)

750

Main transmission

Main transmission form

Independent spindle;

frequency conversion stepless

Number of spindle speeds

stepless

Range of spindle speed(r/min)

200~2800

The form of the spindle head

NO.6   A2 type

taper of Spindle hole

MT6

Spindle bore(mm)

Φ70

Chuck dia. (mm)

Φ250

Main motor power(kw)

5.5kw

Feed system

Turret maximum stroke(mm)

X - axis: 260         Z - axis:750

Fast-moving feed(mm/min)

X - axis:6000         Z - axis:8000

Repeat positioning accuracy(mm)

X - axis:0.01         Z - axis:0.015

Workpiece accuracy

IT6-IT7

Workpiece surface roughness

Ra1.6

tailstock

Dia. of tailstock quill(mm)

Φ60

Tailstock quill stroke(mm)

120

Taper of tailstock quill

MT4

Tool post

Standard accessories

4 station electric tool

Opinional accessories

Horizontal 6,8-station electric turret

or gang-type tool camier

Repeat positioning accuracy(mm)

0.008

Section of turning tool(mm)

25*25

Size and weight

The size of the machine

(length*wid2th*hei2ght)(mm)

2400*1450*1650

Net weight of the machine(kg)

2000

3. Configuration

(1)the controller system: GSK (Guangzhou), KND (Beijing), Guangtai, Simens (Germany),  Fanuc (Japan)
(2) Chuck optional: manual, pneumatic or hydraulic chuck.
(3) Tailstock optional: manual, pneumatic, hydraulic.
(4) Turret optional: Vertical four, horizontal six, horizontal eight,gang-type tool carrier and ect
(5) Lubrication configuration: automatic oil lubrication system.

4. Uses

Suitable for rough turning and precision machining of steel castings, iron castings and other materials.