Evolution of the drilling and milling machine

Let's take a look at how the drilling and milling machine is produced and how it evolved into what it is. Milling machine refers to a machine tool that mainly uses a milling cutter to machine various surfaces on a workpiece. Usually, the rotary motion of the milling cutter is the main motion, and the movement of the workpiece (and) milling cutter is the feed motion. It can process planes, grooves, and various surfaces, gears, and so on. A milling machine is a machine that mills a workpiece with a milling cutter. In addition to milling planes, grooves, gears, threads and spline shafts, milling machines can also process more complex profiles with higher efficiency than planers and are widely used in the mechanical manufacturing and repair departments.
In the 19th century, the British invented the trampoline and planer for the needs of the industrial revolution such as steam engines, and the Americans devoted themselves to the invention of milling machines in order to produce a large number of weapons. A milling machine is a machine with different shapes of milling cutters that cuts specially shaped workpieces such as spiral grooves, gear shapes, and more. As early as 1664, the British scientist Hooker used a rotating circular cutter to create a machine for cutting. This was the original milling machine, but the society did not respond enthusiastically. In the 1940s, Pratt designed the so-called Lincoln milling machine. Of course, if you really establish the status of milling machines in machine manufacturing, you should count American Whitney. The first ordinary milling machine (Whitney, 1818) In 1818, Whitney built the world's first ordinary milling machine, but the patent for the milling machine was the British Bodmer (the planer with the knife feeder) The inventor of the company) won the first prize in 1839. Because the cost of milling machines was too high, there were not many people at the time. The first universal milling machine (Brown, 1862) was silent in the United States after a period of silence. In contrast, Whitney and Pratt can only say that they should lay the groundwork for the invention of milling machines. The merits of real invention of milling machines that can be applied to various operations of the factory should belong to American engineer Joseph Brown. In 1862, Brown in the United States created the world's first universal milling machine, which is an epoch-making initiative in the provision of universal indexing plates and integrated milling cutters. The table of the universal milling machine can be rotated at a certain angle in the horizontal direction, and has accessories such as a vertical milling head. His “Universal Milling Machine” was extremely successful when it was exhibited at the 1867 Paris Exposition. At the same time, Brown also designed a forming cutter that was not deformed by grinding, and then a grinding machine that made the milling cutter, which made the milling machine reach the current level.
The ancient drilling machine - "bow" drilling technology has a long history. Archaeologists have now discovered that in 4000 BC, humans invented devices for punching. The ancients placed a beam on the two columns, and then hang a rotatable awl from the beam, and then used the bowstring to drive the awl to rotate, so that the wood stone could be punched. Soon, people also designed a perforating tool called "辘轳", which also uses a flexible bowstring to make the awl rotate. The first drilling machine (Whitworth, 1862) until around 1850, the German Martignoni first made a twist drill for metal punching; at the international fair held in London, England in 1862, the British Whitworth exhibited a drill press with a power-driven cast iron frame, which became the prototype of a modern drilling machine. In the future, various drilling machines appeared one after another, including a radial drilling machine, a drilling machine equipped with an automatic feeding mechanism, and a multi-axis drilling machine capable of simultaneously punching a plurality of holes at the same time. Thanks to improvements in tool materials and drill bits, and the use of electric motors, large, high-performance drill presses were finally built. Tengzhou Site Machine Tool Co., Ltd.

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