Grinding rod quenching and tempering

Introduce：grinding rod bar suitable for quenching and tempering, quenching and tempering heating rod, the rod providing an abrasive composition Firewire quenching and selection methods, quenching and tempering furnace gyrating select line structure, the line power gyrating quenching and power selection Method, the selection method of the quenching and tempering line parameters of the grinding rod .

Consultation

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Introduction

Consultation

Equipment name: grinding rod quenching and tempering
Workpiece material: carbon steel alloy steel
Workpiece size: diameter 15mm or more
Power range: 1 6 0 - 1 000KW
Closed-loop temperature control: US Leitai two-color thermometer to control temperature
Control system: PLC human-machine interface automatic intelligent control

The grinding rod is quenched and tempered , and the specification is Φ 20～ Φ 160mm. There are five sets of coils in the whole line, which are controlled by multiple zones by five independently independent variable frequency modules. The last group in each zone is used as a holding zone for better austenitizing effects. The grinding rod cooling system is water-cooled and consists of five quenching water rings and a linear cutting nozzle. The whole process of quenching and tempering of the grinding rod is continuously transmitted by the continuous inclined roller road, and the grinding rod advances by rotation, which can ensure the uniformity of heating and cooling of the grinding rod and obtain better flatness.

First, the composition of the quenching and tempering production line of the grinding rod :

1. Feeding mechanism and discharging mechanism

2, the conveyor roller (the workpiece rotates on one side, the average speed feeds on one side, and the operation is stable, the speed is adjustable, the heating is more uniform)

3. Quenching induction heating system

4, quenching spray system

5, tempering induction heating system

6, PLC main console (including frequency control and temperature control, Huayan IPC, remote start, etc.) its role is to operate the entire quenching and tempering equipment directly on the center console, only one person can operate the steel pipe Quenching and tempering production line saves labor and saves costs.

7, quenching medium frequency power supply range: KGPS / IGBT 160-1300KW

8, tempering intermediate frequency power supply range: KGPS / IGBT 160-750KW

Second, the grinding rod quenching and tempering control system description:

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

1. Recipe management function:

The powerful formula management system automatically inputs the relevant parameters after inputting the steel grade, pipe diameter and wall thickness parameters to be produced, without having to manually record, consult and input the parameter values required for various workpieces.

2. History curve function:

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

3. History:

Traceable process data table, which can take multiple sets of sampling points on each product to accurately reproduce the processing temperature values of each segment of a single product. The touch screen system is completely free of storage space and permanently stores all product process records for decades.

Third, the main purpose of the grinding rod quenching and tempering production line

Engineering Machinery: quenched and tempered steel, steel bar, rod quenching and tempering heat treatment;

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

Coal mine machinery: quenching and tempering treatment of monomer pillars, suspension pillars, metal roof beams, etc.;

Fourth, quenching and tempering technology for pipe / bar quenching and tempering treatment has many significant advantages, mainly as follows:

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

2. All sizes of tubes/bars can achieve the same processing efficiency;

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

4, extremely high toughness and impact strength;

5. No decarburization occurs during heat treatment;

6, very convenient to set the processing line status in line with customer needs;

7. After induction heat treatment technology, the tube/bar can obtain very good straightness after quenching and tempering treatment, which means that it does not cost a lot of money to purchase heavy-duty straightening equipment (can straighten high-strength quenching and back Fire material), no additional process is required to process the material (straightening process).

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

9, very low maintenance costs, do not need long downtime maintenance.

V. Summary of technical parameters of the grinding rod quenching and tempering production line

size	Control System	Supporting 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 of the grinding rod?

The quenching and tempering of the grinding rod is composed of a feeding mechanism, a conveying roller, a quenching induction heating system, a spraying system, a tempering induction heating system, a discharging mechanism, an induction heating power supply, and a PLC main control console. Other devices may be Choose according to the actual situation.

7. Which industry is the grinding rod quenching and tempering production line applied to?

Application fields of grinding rod quenching and tempering production line: blade quenching and tempering production line for engineering machinery industry, quenching and tempering production line for auto parts for automobile industry, oil drilling rod quenching and tempering production line for petroleum industry, mining machinery The steel bar steel plate quenching and tempering production line, the rail quenching and tempering production line for the railway industry, and the wind power bolt quenching and tempering production line for the wind power industry.

Eight, the performance characteristics of the grinding rod quenching and tempering production line :

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

2. The processed products are beautiful in appearance and strong in production capacity. Adopting the principle of electromagnetic induction heating , the processed product has excellent quality, uniform heating and small temperature difference of the core surface;

3, quenching and tempering production line production line control system advanced, precise control, automatic control system provides manual control, feed control, constant power control and other modes of operation to choose from. The automatic monitoring system can know the running status of the equipment in real time, which is beneficial to the performance of the equipment;

4, structural optimization design, long service life, quenching and tempering production line induction coil heating workpiece non-contact, no friction, high reliability, extending the service life of the equipment;

5, quenching and tempering production line equipment operating costs are low, split structure design, reduce equipment occupation of the workshop space, equipment components and reasonable layout of maintenance and maintenance is simple and convenient, lower operating costs.

Nine, what is the configuration of the grinding rod quenching and tempering production line ?

The user needs are different and the configuration is different. The basic configuration of the grinding rod quenching and tempering production line includes: induction heating system, storage rack (loading 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 be used by professional manufacturers of grinding rod quenching and tempering production line to provide you with detailed design solutions according to your needs.

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