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NST-4240

NST-4240

The main purpose and scope of application 4240 is a new type of sawing machine specially developed by the German brand PEHAPA double-column double-cylinder double-beam structure, combined with its professional 20 years of research and development experience, for the die steel cutting industry. Scientific and reasonable structure, generous appearance, high cutting efficiency, service life of band saw blade ...

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NST-4240 Technical Information

    1. Main application and scope of application


      4240 is a new type of saw machine specially developed for the die steel cutting industry by studying the German brand PEHAPA double-column double-cylinder double-beam structure, combined with its professional 20-year R & D experience. The structure is scientific and reasonable, the appearance is generous, the cutting efficiency is high, and the service life of the band saw blade is long. It is an ideal cutting equipment for medium and small materials. This machine tool is mainly used for sawing ferrous materials. The material shape can be round or rectangular.


    2. Main features:


    1. Hydraulically controlled sawing feed speed, stepless speed regulation.


    2. The band saw blade is easy to install and tension, easy to operate and maintain.


    3. The linear speed of the saw blade adopts four-speed speed regulation (frequency conversion speed regulation).


    4. Sawing is stable and high precision.


    5. The work clamp adopts hydraulic pressure, and the operation is quick and convenient.


    3. Working environment:


    1. The ambient temperature is higher than 0oC


    2. The relative humidity of the air is not more than 85% (equivalent humidity is 20 ± 5 oC)


    4. Basic parameters and specifications: (see table below)


    NST-4240 technical parameter specification table

    Serial number

    The main parameters

    unit

    specification

    1

    Maximum sawing diameter

    mm

    Ф400

    2

    Maximum sawing rectangle (height × width)

    mm

    400×700

    3

    Band saw specifications (length × width × height)

    mm

    5350×41×1.3

    4

    Saw wheel diameter

    mm

    Ф560

    5

    Table height

    mm

    670

    6

    Sawing line speed

    m/min

    15-60

    18、31、45、60

    7

    Feed rate

    m/min

    Hydraulic stepless speed regulation

    8

    main motor power

    KW

    5.5

    9

    Hydraulic motor power

    KW

    0.75

    10

    Cooling motor power

    KW

    0.09

V. Main mechanical structure

1. The machine feet are welded steel plates, the left side is a hydraulic oil tank and hydraulic system, and the right side is a combination of a cooling system equipped with a cooling pump and coolant.


2. The beam is a welded part of steel plate, which is composed of a worm gear reduction box, a saw wheel, a band saw blade guide device, a shield protection, and a saw blade tension device.


3. The band saw blade is installed on the two wheels and the guide device. After the driven wheel is tensioned, it is driven by the main motor. The band saw blade can make a circular movement around the two saw wheels to realize the main sawing movement. The saw beam is installed on the cylinder to guide the upward and downward movements, so as to complete the retracting and feeding movements.


4. The main transmission system is installed on the saw beam and is composed of the main motor, belt wheel and worm gear reducer. The belt wheel is changed from a triangle belt wheel to a four-level band saw blade speed to meet the requirements of sawing different materials and materials.


Hydraulic Components

    Serial number

    model

    name

    Quantity

    Remarks

    1

    10MPa

    Pressure gauge

    1

    Zhejiang Chaoyang Instrument

    2

    D5-02-3G2-D2

    The electromagnetic valve

    4

    IA Taiwan

    3

    K0709

    Hydraulic filter

    1

    Zhejiang original deep forest

    4

    YZF48213 5/29W

    heat sink

    1

    Shengzhou General Accessories

    5

    C01-43B0

    Oil pump motor

    1

    Elite

    6

    VP-15-FA3

    Variable vane pump

    1


    Electrical components for Chint


                 Serial number

    model

    name

    Quantity

    1

    DZ47-63 C40

    air switch

    1

    2

    DZ47-63 C6

    air switch

    2

    4

    BK-150VA

    Control transformer

    1

    5

    CJX2-1210

    DC contactor

    3

    6

    NR4

    Thermal overload relay

    3

    7

    MJX-13FW

    Small relay

    2

    8


    Power 380V input

    1

    List of main parts purchased from machine tools


    Serial number

    Device name

    unit

    Quantity

    manufacturer

    Remarks

    1

    Main motor

    only

    1

    Shanghai Dedong

    5.5KW

    2

    Cooling motor

    only

    1

    Shanghai Riyun

    0.09KW

    3

    Hydraulic motor

    only

    1

    VIA Taiwan

    0.75KW

    4

    transformer

    only

                    1

    Tianzheng

    BK-150

    5

    Cylinder

    only


    Zhejiang Boxin




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