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The Difference Between Numerical Control Lathe And CNC Milling Machine
Jul 30, 2018

Lathes are turning machines for turning rotating parts. On the lathe, bits, reamers, reamers, taps, dies and knurling tools can also be processed. Lathe is a kind of machine equipment with a long history. Since ancient times, there are lathes. Only the ancient lathes are simple and the work pieces are very simple. With the progress and development of science and technology, with the rise of the industrial revolution, various machine tools should be shipped and the lathes have been made by leaps and bounds. The development and progress of the lathe are generally processed some shaft parts, disc parts, sleeve parts and padding parts. In general, the lathe has a tool holder and is used to install tools. The form of the lathe is based on the rotation movement of the workpiece, and the movement of the tool is feed movement, through these two kinds of movement. The form of movement to complete the turning process, the parts are mounted on the spindle of the machine tool by three claw chuck, and rotate at high speed. Then the tool is used to cut out the shape of the product with the tool of the body of the rotary body. In addition, the lathe can also carry on the processing form of the inner hole, thread, and biting flower, and the processing genus of the thread and the bite of the flower. At low speed. The CNC lathe has the basic processing form of the lathe, and the CNC lathe can complete many forms of processing that can not be completed by many lathes, such as the work of some complicated body of revolving body.

The milling machine system mainly refers to the machine tool that processes various surfaces on the workpiece with a milling cutter. Usually, the rotary movement of milling cutter is the main movement, and the movement of workpiece (and) milling cutter is feed movement. Milling and milling are used in milling. When milling, the milling cutter is forward to the installation, which requires the spindle motor to rotate, and the milling cutter needs reverse installation because of the need of machining. At the same time, the spindle motor is required to rotate in reverse. When the milling direction is determined, there is no need to change the direction of rotation in milling process. Therefore, the control of the spindle motor is required to select a better direction (forward or reverse) before machining, and then start processing. The milling cutter is a kind of multi edge tool, its cutting process is intermittent, the load fluctuates with time, causing the imbalance of motor drag. In order to reduce the influence of load fluctuation, the flywheel is used to increase the inertia on the main shaft, so that the inertia of the main shaft is large, so the parking time is longer and the production efficiency is affected. In order to achieve the purpose of fast parking, the main axle adopts the brake stopping mode.

According to the processing requirements of the workpiece in milling, there are longitudinal, transverse and vertical feeding movements, which are driven by a motor. The direction of feed motion is realized by operating a handle and a switch which select the direction of motion and cooperating with the forward and backward rotation of the feed drive motor. In order to ensure the safety of milling machines and cutters, only one direction feed motion is allowed in milling. When using rotary worktable, no longitudinal, transverse and vertical feed movements are allowed. For this reason, interlocking links should be used in the motion of the feed. In milling, in order to improve the accuracy of parking location, braking method can also be used.

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