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Grinding machine development process
Jul 20, 2018

In the 1830s, in order to adapt to the hardening of parts such as watches, bicycles, sewing machines and firearms, the United Kingdom Germany, the United States and the United States have developed grinding machines using natural abrasive grinding wheels. These grinders were modified from the existing machine tools such as lathes and planers. They are simple in structure, low in rigidity, and easy to generate vibration during grinding. The artifacts.

The universal cylindrical grinding machine manufactured by Brown-Sharp Company of the United States exhibited at the Paris Exposition in 1876 was the first machine to have the basic characteristics of a modern grinding machine. Its workpiece headstock and tailstock are mounted on a reciprocating workbench that increases machine rigidity and has an internal grinding attachment. In 1883, the company made a surface grinder with a grinding head mounted on a column and a reciprocating table.

Around 1900, the development of artificial abrasives and the application of hydraulic transmissions have greatly promoted the development of grinding machines. With the development of modern industry, especially the automobile industry, various types of grinding machines have been introduced. For example, at the beginning of the 20th century, planetary inner grinding machines, crankshaft grinding machines, camshaft grinding machines and piston ring grinding machines with electromagnetic chucks were developed.

The automatic measuring device was applied to the grinding machine in 1908. Before and after 1920, centerless grinders, double-face grinders, roll grinders, guide grinders, honing machines and superfinishing machines were used one after another; in the 1950s, high-precision cylindrical grinders for mirror grinding were introduced; At the end of the year, there were high-speed grinders with a line speed of 60-80 m/s and large-depth deep-cut and slow-feed grinding surface grinders. In the 1970s, digital control and adaptive control technologies using microprocessors were widely used on grinding machines. Applications.