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Analysis of welding machine works
Rong Shijie for the majority of the industry analysis of welding machine (IF welding plane) works
A: Ultrasonic welding machine works
Ultrasonic welding principle is through the ultrasonic generator 50/60 Hz current into 15,20,30 or 40 kHz power. The converted high-frequency electrical energy is again converted into mechanical motion at the same frequency by the transducer, whereupon the mechanical movement is transmitted to the welding head through a set of amplitude-modulating means which can change the amplitude. The welding head transfers the received vibration energy to the joint of the work piece to be welded, in which the vibration energy is converted into heat energy by friction. Ultrasound can be used not only to weld hard thermoplastics, but also to fabrics and films. The main components of an ultrasonic welding system include ultrasonic generators, transducer / modulator / welding head triplets, molds and racks.
2: Rotary friction welding machine works
Rotary friction plastic welding machine is generally used to weld two round thermoplastic parts. Welding, a workpiece is fixed on the bottom die, the other workpiece in the fixed surface of the workpiece rotation. Since there is a certain pressure acting on the two workpieces, the heat generated by the friction between the workpieces can melt the contact surfaces of the two workpieces and form a closed and closed joint. The positioning of rotary melting is set at the time of rotation, and instantly stopped at the set position, a permanent fusion.
Three: welding machine works
Hot plate welding machines are mainly used to weld plastic parts by a temperature-controlled heating plate. When welding, the heating plate is placed between the two pieces of plastic, when the workpiece close to the heating plate, the plastic began to melt. After a pre-set heating time has passed, the surface of the workpiece plastic will reach a certain degree of melting, this time to separate the workpiece, the heating plate removed, followed by two pieces of work together, when a certain welding time and After the welding depth, the entire welding process is completed.
Fourth, the laser welding machine works
The laser welding machine works by passing light / laser rays through one plastic part on the surface of another plastic part (ie, the welding surface). The welding surface is heated and melted after absorbing the energy of the beam sufficiently. At this time, The members are externally clamped by an adjustable clamping force to be tightly joined together. Compared to other existing plastic welding processes, the advantage of laser welding is that the light / laser beam can simultaneously heat and weld the entire weld surface and the welding effect is more significant. Fourth, the working principle of linear vibration friction welding machine Linear friction friction welding in the use of two to be welded workpiece contact surface generated by the friction heat to make the plastic melt. Heat from a certain pressure, a workpiece in the other surface with a certain displacement or amplitude of reciprocating movement. Once the desired degree of welding is reached, the vibration stops, and at the same time a certain amount of pressure is applied to the two workpieces to cool and solidify the part just welded, resulting in a tight bond.
Fifth, the working principle of track vibration friction welding machine
2. Track - type friction welding is a method of welding friction heat. In the case of rail friction stir welding, the upper part of the workpiece at a fixed speed orbital motion - in all directions of circular motion. Movement can produce heat, so that the two plastic parts of the welded part of the melting point. Once the plastic begins to melt, the movement stops and the welded parts of the two work pieces solidify and firmly join together. A small clamping force will result in minimal deformation of the workpiece, the diameter of 10 inches or less of the workpiece can be used to track vibration friction welding.