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Quenching and tempering production line
Quenching and tempering production line
The quenching and tempering production line is mainly composed of an intermediate frequency power supply, a heating sensor, an automatic feeding device, a quick roll discharge device, an infrared temperature measuring device, and a central console. By supporting different inductors, the workpiece can be heated, and the heating temperature and the radial and axial temperature difference can meet the process requirements, and the heat preservation can be realized, and the temperature of each steel pipe can be automatically recorded because the steel rod specification is φ7~12mm< Material 30MnSi> quenching temperature 950℃, so the heating equipment adopts intermediate frequency and super audio multi-frequency mixed heating, and its power and frequency are respectively configured as follows: 250kw/6kHZ (SCR intermediate frequency), 100~200kw/20kHZ, 160kw/50kHZ ( IGBT super audio frequency power supply) tempering temperature of 425℃, 160kw/6 kHZ intermediate frequency power supply, production and operation speed of 50~60m/min (φ9), heating power consumption 300 degrees/ton, all power supplies have internal and external control functions using current medium voltage The double closed loop feature ensures that the quenching and tempering temperature does not change with external factors. Since the production line is in continuous and uninterrupted working mode, the entire production line is controlled by PLC and touch screen, and the actual transmission adopts frequency conversion to schedule and adjust the entire production line. Compared with the traditional slip motor and DC speed control, the control accuracy is high and the adjustment range is Wider and more stable operation.
Equipment Name: Quenching and Tempering Production Line
Workpiece Material: Carbon Steel Alloy Steel
Workpiece Size: Diameter Above 10 mm
Power Range: 1 6 0- 1 000KW
Closed-loop temperature control: with American Leitai two-color thermometer control Temperature
control system: PLC Automatic intelligent control of machine interface
Process flow and working process description of round pipe, quenching and tempering production line :
1. Heat treatment process: the steel pipes are placed on the loading platform by the overhead crane for bulk bundling → feeding machine feeding → frequency conversion feeding roller table to transport the steel pipe forward → quenching medium frequency induction heating inductor (low temperature) furnace, (high temperature) furnace Heat to 950 ℃ infrared temperature measurement and feedback to form a closed-loop control to adjust the power of the intermediate frequency induction production line → spray quenching → lift the pipe by the turning machine and put it on the residual water drain device in the pipe → lift the tube by the turning machine and place it On the tempering roller table→(low temperature) tempering induction production line →(high temperature) tempering medium frequency induction heating sensor (heating) heated to 450~760℃, infrared temperature measurement and feedback form closed-loop control to adjust the medium frequency induction production line power→turning machine→ Chain two-way cooling bed→turning machine→ discharging .
2. Summary of parameters of quenching and tempering production line
size |
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 |
[Phi 73.2- [Phi 88.9mm- [Phi 139.7 mm |
PLC intelligent control |
KGPS500KW +KGPS100KW |
Φ 95- Φ 114mm |
PLC intelligent control |
KGPS250KW +KGPS160KW |
Customized production according to the actual needs of customers |
The quenching and tempering production line adopts intelligent series resonance intermediate frequency power control features:
●Parallel resonance design, phase shift power adjustment, the equipment is mature and stable; it has more advantages in the high power range above 3000KW.
●DSP control, fast capture phase lock start, meeting frequent start and stop, 100% success rate.
●Frequency conversion and load adaptation, frequency adaptation range 200-10000Hz, automatic matching for induction furnace replacement, no manual adjustment is required.
●T2 red copper copper bars are used in the cabinet, which are sandblasted and passivated; low leakage inductance, anti-oxidation, and effectively reduce line loss.
●Full touch screen control, pure digital setting, complete process record and strict level authority. The main parameters can be restored to factory settings with one key.
●The equipment has self-protection function (over current, over pressure, water pressure, lack of phase, under voltage, overload), and the equipment has self-diagnosis function in case of situation.
Configuration composition and characteristics of quenching and tempering production line :
1. The range of quenching medium frequency power supply: KGPS160-1300KW
2. Tempering medium frequency power supply range: KGPS160-750KW
3. Quenching and tempering sensor (including capacitor bank, water circuit, gas circuit, etc.)
4. Closed cooling system for intermediate frequency power supply and inductor
5. Copper bar connecting wire (connection between power cabinet and induction furnace)
6. Input and output system (While the workpiece is rotating, it is fed at an even speed, and the operation is stable, the speed is adjustable, and the heating is more uniform)
7. Quenching and tempering spray system
8. Infrared temperature measuring device for quenching and tempering (equipped with American Raytech infrared thermometer to display the temperature of the workpiece in real time, so that the workpiece temperature uniformity can be seen at any time during the quenching and tempering process)
9. Plc control system, (can control the operation of the entire mechanical part, man-machine interface, full digital, highly humanized operation)
10. The central console (including variable frequency speed regulation and temperature control, Huayan industrial computer, remote start, etc.) is to operate the entire quenching and tempering equipment directly on the central console, and only one person can operate the entire equipment , Save labor and save costs.
What is the composition of the steel pipe quenching and tempering heat treatment production line?
The 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, PLC master control table, and other devices. Choose according to the actual situation.
Quenching and tempering production line production line is used in which industry?
Application areas of quenching and tempering production 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 Quenching and tempering production lines for steel pipes and steel plates, rail quenching and tempering production lines for railway industry, and wind power bolt quenching and tempering production lines for wind power industry.
Performance characteristics of 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.
What is the general configuration of the quenching and tempering production line ?
User needs are different, and the configuration is different. The basic configuration of the 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 quenching and tempering production lines to support you, and they will provide detailed design plans according to your needs.