ROCHO INDUCTION offers high frequency quenching technology for the inner wall of the workpiece to increase the surface hardness and service life of the workpiece. High frequency hardening equipment is suitable for quenching workpieces inner wall such as concrete pump pipe, cement pump pipe, gear inner ring and mould bore.
Concrete pump pipe is for delivery concrete, concrete pump pipe after the inner wall quenching, carburizing chemical treatment, flange bushing hardness can reach 58-60 degrees, pipe life increased by 3-5 times, while improve production efficiency.
Quenching process for concrete pump pipe bore.
Rotary quenching process for more uniform quenching, such as a slight difference between the docking of the two poles of the inductor and the area around the inductor, where the water drips down immediately after the top is sprayed. While the lower part is always immersed in water, all these factors are solved by rotation quenching process. Rotation speed is around 120 rpm, lower speed can not meet the requirements. If it is higher, it will easily cause shuddering (the tube itself is not too straight). Stepless speed regulation is required in this process.
The concrete pipe is moved forward and backward along the axis. Forward for quenching process, speed is about 100mm-500mm/min, axial travel is 4000m. A fast backward function is available, with a speed of around 3000mm per minute. In addition, the concrete pipe and the level into about 5 ℃ angle, to ensure the smooth discharge of water, and no water inside the pipe, to ensure that the quenching layer of uniform.
Features of concrete pump pipe quenching equipment
Concrete pump pipe inner wall quenching equipment with special CNC quenching machine tool, CNC quenching machine tool adopts the workpiece movement method to inductively quench the surface of the pump pipe inner wall. The machine tool has manual operation and automatic operation and other functions. It consist of workpiece movement system, spindle rotation system, central support, inductor support, water blocking cover, and electrical CNC parts, etc.
1, The frequency of the equipment can be designed according to the requirements of the workpiece processed by the user, generally is 25-35KHZ, quenching layer depth of 1.5-1.8mm, quenching hardness in line with the requirements.
2, The speed is 1/3 faster than medium frequency, without the whistling noise of silicon controlled system, and the deformation is small.
3, Fine workmanship of the inductor, specifically for concrete pump pipe inner wall quenching coaxial water-cooled inductor.
4, Adopting the international advanced device IGBT, the efficiency is 30%-40% higher than the old silicon controlled medium frequency system, saving 30%-40% of electricity.
ROCHO INDUCTION offers long inner bore quenching equipment, pump pipe inner wall induction quenching equipment, seamless steel pipe quenching equipment, pleases contact us to get the latest quotation.
