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    Quenching and tempering production line of hydraulic prop cylinder

    product description


    Quenching and tempering production line of hydraulic prop cylinder


    Equipment name: Hydraulic prop cylinder quenching and tempering production line
    Workpiece material: Carbon steel alloy steel
    Workpiece size: Φ20~Φ160mm

    Workpiece length: 2-20m
    Power range: 1 6 0- 1000KW
    Closed loop temperature control: Controlled by the American Leitai two-color thermometer Temperature
    control system: PLC man-machine interface automatic intelligent control

    The quenching and tempering production line of hydraulic prop cylinders can handle specifications from Φ 20 to Φ 160mm. There are five sets of coils in the whole line, which are controlled by five completely independently adjustable frequency conversion modules. The last group of each zone is used as a holding zone to obtain a better austenitizing effect. The grinding rod cooling system is water-cooled and consists of 5 quenching water rings and a linear cutting nozzle. The whole process of quenching and tempering of the grinding rod is continuously transported by a continuous inclined roller table. The grinding rod advances in a self-rotating manner, which can ensure the uniformity of heating and cooling of the grinding rod and obtain better flatness.

    1. Composition of quenching and tempering production line of hydraulic prop cylinder :

    1. Feeding mechanism and discharging mechanism

    2. Conveying roller table (the workpiece is being fed at a constant speed while rotating, and the operation is stable, the speed is adjustable, and the heating is more uniform)

    3. Quenching induction heating system

    4. Quenching spray system

    5. Tempering induction heating system

    6. The PLC main console (including frequency conversion speed control and temperature control, Huayan industrial computer, remote start, etc.) is to directly operate the entire quenching and tempering equipment on the central console, and only one person can operate the steel pipe The quenching and tempering production line saves labor and costs.

    7. The range of quenching medium frequency power supply: KGPS/IGBT 160-1300KW 

    8. Tempering medium frequency power supply range: KGPS/IGBT 160-750KW 


    2. Description of the control system for the quenching and tempering production line of the hydraulic prop cylinder:


    The main console adopts German Siemens PLC and Taiwan Huayan industrial control system as the core control part, which automatically matches and adjusts the mechanical operating parameters, quenching and tempering parameters, power supply, etc. of the entire system , and displays, stores and stores various parameters. Printing and other functions.

    1. Recipe management function:

    Powerful formula management system, after inputting the steel grade, pipe diameter and wall thickness parameters to be produced, the relevant parameters are automatically called, and there is no need to manually record, consult, and input the parameter values required by various workpieces.

    2. History curve function:

    The PLC master console displays traceable process history curves (standard configuration of the industrial computer system), with a recording accuracy of 0.1 second, and vividly and accurately reproduces the processing temperature trend graph of a single product. Up to 1T capacity storage space, permanent preservation of all product process records for decades.

    3. Historical records:

      The traceable process data table can take out multiple sets of sampling points on each product, and accurately reproduce the processing temperature value of each section of a single product. In the touch screen system, there is no storage space limitation at all, and all product process records for decades are permanently stored.


    3. The main purpose of the hydraulic prop cylinder quenching and tempering production line

    Mechanical engineering: steel quenching and tempering , steel bar, rod quenching and tempering heat treatment;

    Oil Machinery: rod, geological drill pipe, drill collars quenching and tempering heat treatment;

    Coal mining machinery: single pillars, suspended pillars, metal roof beams and other quenching and tempering treatments; 

    4. Quenching and tempering technology used in pipe/bar quenching and tempering treatment has many significant advantages, mainly as follows:

    1. It is used for single-line processing of pipes /bars, which is very fast and flexible. The entire line can be emptied and adjusted for the next batch of materials in a few minutes, with the shortest downtime;

    2. The same processing efficiency can be obtained for all sizes of tubes/bars;

    3. Consistency of extremely high hardness and uniformity of microstructure;

    4. Very high toughness and impact strength;

    5. No decarburization phenomenon occurs during the heat treatment process;

    6. It is very convenient to set the state of the processing line that meets the needs of customers;

    7. After adopting induction heat treatment technology, the tube/bar can obtain very good straightness after quenching and tempering , which means that there is no need to spend a huge cost to purchase heavy-duty straightening equipment (which can straighten high-strength quenching and tempering). Fire material), there is no need to add another process to process the material (straightening process).

    8. Energy loss and related expenses only exist in effective production;

    9. Very low maintenance cost, no need to shut down for maintenance for a long time.

    5. Summary of technical parameters of hydraulic prop cylinder quenching and tempering production line


    Control System

    Matching power supply

    Φ 10- Φ 28mm

    PLC intelligent control

    KGPS350KW +KGPS160KW

    Φ 42- Φ 48mm

    PLC intelligent control

    KGPS250KW +KGPS160KW

    Φ 30- Φ 60mm

    PLC intelligent control

    KGPS250KW +KGPS160KW

    Φ 30- Φ 60mm

    PLC intelligent control

    KGPS250KW +KGPS160KW

    Φ 35- Φ 60mm

    PLC intelligent control

    KGPS300KW +KGPS160KW

    Φ 30- Φ 110mm

    PLC intelligent control

    KGPS400KW +KGPS160KW

    Φ 80- Φ 110mm

    PLC intelligent control

    KGPS600KW +KGPS160KW

    Customized production according to the actual needs of customers


    6. What is the composition of the quenching and tempering production line for hydraulic prop cylinders?

    The hydraulic prop cylinder quenching and tempering production line is composed of feeding mechanism, conveying roller table, quenching induction heating system, spray system, tempering induction heating system, discharging mechanism, induction heating power supply, and PLC master control console. , Other devices can be selected according to the actual situation.   

    7. In which industry are quenching and tempering applied?

    Application fields of column quenching and tempering line : blade quenching and tempering production line for construction machinery industry, auto parts quenching and tempering production line for automobile industry, petroleum drill pipe quenching and tempering production line for petroleum industry, mining machinery Steel bar and steel plate quenching and tempering production line, rail quenching and tempering production line for railway industry, wind power bolt quenching and tempering production line for wind power industry, etc.

    8. Performance characteristics of the hydraulic prop cylinder quenching and tempering production line :

    1. The quenching and tempering production line has a simple structure and reliable performance, which can meet different heat treatment processing requirements, and the equipment is simple to operate and easy to maintain;

    2. The processed products have beautiful appearance and strong production capacity. Using the principle of electromagnetic induction heating , the quality of processed products is excellent, the heating is uniform, and the temperature difference between the core and the surface is small;

    3. The quenching and tempering production line has advanced control systems and precise control. The fully automatic control system provides manual control, feed control, constant power control and other operation modes to choose from. The automatic monitoring system can understand the operating status of the equipment in real time, which is conducive to the best performance of the equipment;

    4. Optimized structure design, long service life, non-contact heating of the workpiece by the induction coil of the quenching and tempering production line , no friction, high reliability, and prolongs the service life of the equipment;

    5. Quenching and tempering production line equipment has low operating cost, split structure design, reducing equipment occupation of workshop space, reasonable and standardized layout of equipment components, simple and convenient maintenance, and lower operating cost.

    9. What is the configuration of the hydraulic prop cylinder quenching and tempering production line ?

    The user needs are different, and the configuration is different. The basic configuration of the sucker rod quenching and tempering production line includes: induction heating system, storage rack (feeding rack and discharge rack), induction heating power supply (IGBT induction heating power supply or KGPS Induction heating power supply), PLC console, etc. Other options: infrared thermometer, power transformer, cooling tower, etc. These can allow professional manufacturers of sucker rod quenching and tempering production lines to support you, and they will provide detailed design plans according to your needs.

    10. The basic configuration of the hydraulic prop cylinder quenching and tempering production line

    Serial number





    S11-630kvA power transformer

    1 set



    Thyristor intermediate frequency power supply KGPS- 5 0 0/1

    1 set



    Quenching transformer

    1 set




    Quenching induction heater


    Including water-cooled rails

    3 .1

    GTR 18

    1 set



    GTR 25

    1 set



    GTR 29

    1 set



    GTR 36

    1 set




    Tempering induction heater


    Including water-cooled rails

    4 .1

    GTR 18

    1 set



    GTR 25

    1 set



    GTR 29

    1 set



    GTR 36

    1 set



    Quenching induction heater bed

    1 set



    Back to fire induction heater bed

    1 set



    Loading end bed

    1 set



    Cutting end bed




    Feeding mechanism




    Feeding mechanism




    Transmission roller mechanism




    Pressure roller feeding device

    1 set



    Quenching water spray device




    Electrical control core

    1 set


    14 . 1

    Configuration Software

    (MCGS system)

    1 set


    14 . 2

    A programmable controller (the SIEMENS the SIMATIC S 14 - . 3 00)

    1 set


    14 . 3

    LCD screen

    1 set


    14 . 4

    Dual Colorimetric Infrared Thermometer ( USA Leitai)

    1 set


    14 . 5

    Photoelectric switch

    4 sets


    14 . 6

    Control cabinet (including variable frequency drive equipment)

    1 set


    14 . 7


    1 set



    Cooling water system ( ZXZ - 60T ) part

    1 set





    Water pipe ppr


    The water cooling tower is within 10 meters of the power cabinet


    IF power inlet copper bar

    1 set



    Electrical and waterway installation and commissioning

    1 set




    1 set




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    Tel:18037961302 Sales hot line ( 24 hours service): 18037961302
    Adress: Luoxin Industrial Park, Luoyang, Henan