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Hunan Southern Machine Tool Co., Ltd

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    csnfjc@163.com

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    13517401854

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    No. 4 Yingxia Road, Changsha Economic and Technological Development Zone

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LGK557 series CNC pull up internal lathe

NegotiableUpdate on 01/15
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Overview
The LGK557 series CNC pull up type internal lathe adopts a dual guide column guide rail structure and dual servo motor drive. Two guide rail centers, two drive centers, and one lathe center achieve 5-center coplanarity. The advantage of this structure is that it eliminates the flipping torque caused by the structure of traditional lathes, so that the lathe force on the workpiece during the lathe process is also uniform and symmetrical. The deformation generated by the worktable is also symmetrically offset, and the workpiece positioning surface and the lathe axis always move vertically.
Product Details

LGK557 series CNC pull up internal lathe

LGK557 Series CNC Pull-up internal broaching machine

It has the characteristics of large tonnage pull up internal bed, dual servo drive, dual guide columns, intelligence, high efficiency, high precision, high stability, and environmental protection.

Large-tonnage pull-up internal broaching machine, double servo drive, double guide pillar, intelligence, high efficiency, high precision, high stability and environmentally friendly.

1、 Advantages and Characteristics of Pulling Bed(Advantages and features of broaching machine)

1The main structure adopts a highly symmetrical design,Two guide rail centers, two drive centers, and one lathe center are coplanar with five centers;

1. The main structure has a high symmetry design with 2 guide centers, 2 drive centers, 1 broaching center and a 5-centre co-planar

2Full escort cutting method ensures the smoothness of the cutting tool during the cutting process;

2.Fully escorted broaching for smooth broaching.

3The main movement of the lathe and the auxiliary movement of the transfer knife are both detected by servo motors, achieving full closed-loop control;

3. Servo motor detection for both the main broaching motion and the auxiliary tool pick-up and drop-off motion for full closed-loop control.

4Highly flexible bilateral operation form;

4.Using dual-sided operation with high flexibility

5Rubbing and safe tool lifting device for better protection of tools;

5. Kneadable, safe knife lifting devices for better knife protection.

6The CNC control system adopts independent deep secondary development;

6. Using independent, in-depth secondary development of the CNC control system.

7Tool fixture replacement auxiliary device, reducing the manual operation intensity of tool replacement; Enhanced the safety of operations and the efficiency of tool replacement.

7. Tool and fixture change aids reduce the intensity of manual operations for tool change; enhance operational safety and tool change efficiency.

2、 Product parameters:

Machine tool model Machine tool model

LGK55710

LGK55710-Ⅱ

LGK55720

LGK55740

rated pulling force Rated tension

100kN

100kN

200kN

400kN

rated stroke Rated stroke

1250mm

1250mm

1600mm

2000mm

Cutting speed (infinite speed regulation)Broaching speed (step-less speed regulation)

16m/min

16m/min

16m/min

16m/min

Main skateboard return speed (infinite speed regulation) Broaching speed (step-less speed regulation)

120m/min

120m/min

120m/min

120m/min

Workbench size (length)×Wide)Workbench size(L×W)

420mm×380mm

420mm×380mm

480mm×400mm

625mm×565mm

Loading and unloading height (operating height)Height of loading and uploading (operation height)

1100mm

1100mm

1200mm

1575mm

Main motor power

Main motor power

19.11kW

19.11kW

31.71kW

54.71kW

Total power of motor

Total motor power

about(about)27kw

about(about) 27kw

about(about)40kW

about(about)62kW

Cutting speed (infinite speed regulation)Broach moves upward speed (step-less speed regulation)

15m/min

15m/min

15m/min

15m/min

Knife feeding speed (infinite speed regulation)Broach move down speed (step-less speed regulation)

15m/min

15m/min

15m/min

15m/min

Maximum aperture of flower plate Max. hole diameter for small flower trays

Φ70mm

2-Φ60mm

Φ100mm

Φ150mm

Maximum outer diameter of workpieceX thicknessMaximum workpiece outside diameterthickness)

Φ220mm×100mm

Φ130mm×100mm

Φ280mm×200mm

Φ300mm×200mm

Net weight of machine tool Net weight of machine tool

about(about)12500 kg

about(about)14500 kg

about(about)19500 kg

about(about)25500 kg

Machine tool workspace (length)X Width x Height)Workspace of the machine tool(L×W×H)

2750 mm×5550 mm×4800 mm

2750 mm×5550 mm×4800 mm

2950mm×5650mm×5200mm

3050mm×5950mm×5600mm