Detailed specification of 45steel 550mm diameter railway steel wheels for hyrail equipment and trolleys crane

• In the production process, an anti-break belt device of a continuous annealing processing production line of thick-gauge high-strength strip steel is used. The device includes: a heating and annealing unit, with a linear burner and an ignition burner, the ignition burner is arranged on the linear burner, and the lower side of the linear burner is provided with a roller and placed under the strip; Both ends of the gas branch are connected to the gas source and the mixer respectively, the two ends of the air intake branch are respectively connected to the air source and the mixer, and the two ends of the ignition branch are respectively connected to the gas intake branch and the ignition burner; the control unit has a The ignition wire of the igniter is connected to the linear burner and is located next to the ignition burner, the temperature detector is placed above the linear burner, the flame detector is set in the linear burner, and the PLC controller is connected with the electrical components. The utility model improves the welding quality of the thick gauge high-strength strip steel, eliminates the stress of the welding seam, increases the toughness and strength of the welding seam, and ensures that the welding seam is continuously bent and stretched under the condition of repeated bending and stretching of the production line.

45steel 550mm diameter railway steel wheels for hyrail equipment and trolleys crane mainly used for RRV, Road-rail dual-use vehicles refer to special vehicles that can run on railway tracks as well as on general roads and even in the field. also called RRV. It was mainly used in the military in the early days. Hyundai mainly undertakes emergency tasks such as maintenance and rescue of railway lines and along the lines. Road-rail dual-use vehicles are required to be able to switch between roads and railways quickly and easily. It is usually realized by the hydraulic lane-changing slewing device on the chassis and the railway traveling guide wheel device that can be raised and lowered at any time. With the guide wheel device, the general rubber tire wheels can drive straight along the rail. Because this kind of vehicle requires a certain traction and carrying capacity, it can play a unique role in the event that the railway line is interrupted or blocked due to a disaster. Dedicated road-rail vehicles include: electric traction section catenary repair vehicles, excavators used for mountain railway repairs, emergency tractors, generator vehicles, fire trucks, fast bridge vehicles, etc.

The method for improving the fluidity of the solid-liquid two-phase region in the middle and late stages of solidification in the continuous casting process, the method and the device for controlling the quality of the cast slab adopted by KINGRAIL belong to the technical field of metallurgical continuous casting. In the present invention, intermittent exciting force is applied to the surface of the billet shell at the solidification end of the continuous casting billet, and the positive thixotropy of solid-liquid two-phase metal is used to improve the feeding ability of semi-solidified molten steel in the middle and late stages of solidification, and improve the internal structure of the billet. In addition, intermittent exciting force is applied to the surface of the billet shell at the solidification end of the continuous casting billet and in the middle section of the continuous casting billet; the exciting force hitting the shell surface in the middle section of the continuous casting billet can be regularly interrupted. During the cooling process, the dendrites growing at the solidification front promote the growth of equiaxed crystals; and the exciting force on the surface of the billet shell at the solidification end of the continuous casting billet can improve the feeding ability of semi-solidified molten steel in the middle and late stages of solidification. The internal structure of the billet is loose, which improves the quality of the billet.

The Production Railway Wheels Process

1. Wheels Steel Melting 2. Round Billet Sawing Cutting 3. Heating 4. Phosphorus 5. Stamping Forming 6. Rolling 7. Bending Punch 8. Hot Stamping 9. Laser Measurement 10. Drop Stack 11. Roughing 12.Hardening 13.Tempering 14. Sampling 15. Pre-processing 16. Finishing 16. The Cold Print 17. Static Equilibrium 18. The Cold Print 19. Hardness Testing 20. Ultrasonic Testing 21. Magnetic Particle Testing 22. Shot Peening 23. Painting Packaging

Main Testing and Inspection Device for forged 250mm roadrail vehicle wheels 50hrc 40CrNiMo material carbon steel