A company which has pioneered the application of ultrasonics to industrial purposes is Kerry Ultrasonics Ltd., of Hunting Gate, Hitchin, Herts. One of their original developments is in the machining of hard and brittle materials such as tungsten carbide, ceramics, germanium, silicon, semi-precious and precious stones, etc. by the “sonorode” system.
With ultrasonics it is possible to emboss, engrave, slice, trepan, and drill intricately shaped holes in one pass. An established use of high-power ultrasonics is in plastics assembly- another growth area. Basically, the process involves the generation of high frequency vibrations, which, in turn, require the conversion of electrical impulse into mechanical energy. This in accomplished by the use of transducers, in the construction of which Langley HIDURAX aluminium bronze and Hiduron 130 (DIN 2.1504, DTD900/4805, Hidurax Special) high-strength cupronickel (copper-nickel alloy) have been used for many years on account of their high acoustic transfer efficiency, high mechanically strength, good wear resistance, and high thermal conductivity, compared with other materials.
The illustration is of the “plastison” plastics assembly system, which basically embraces welding, inserting, staking and despruing, and eliminates the need for adhesives, solvents, dielectric heat, or thermoplastic materials.
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