Different Functions of CNC Milling Machine Parts and Components

09 November 2020

Computer numerical control (CNC) milling is a machining process that utilises computerised controls and rotating multipoint cutting tools in removing or replacing material from a workpiece. The process can easily produce a customised part or product, which is usually made from metal, plastic, glass, and others.

CNC milling is normally done through a CNC milling machine that combines the functions of milling, boring, and drilling machines. These machines can be effective in improving the efficiency of production since it can cut down some steps in producing highly accurate and highly tolerant parts and products.

CNC milling machines have various components that make them effective in processing different parts and products. Some of these parts and their corresponding functions are as follows:

Column

One part of the CNC milling machine that is intended to support other machine components is known as the column. It has an affixed base that can be equipped with more internal components so it can help in the overall milling process of the machine.

Knee

The knee part of the CNC milling machines is normally attached to the column. The main function of this component is to provide support to the saddle and worktable. This component can be raised or lowered based on the requirements of the milling operation.

Saddle

The saddle is a CNC milling machine component that is situated right on top of the knee. This component can support the worktable and move parallel to the direction of the spindle. The worktable can be adjusted horizontally due to the presence of this component.

Worktable

Both the saddle and the worktable are supported by the wide horizontal guide rail, which can be found on the lifting table. It is equipped with a servo motor on its right end so that its longitudinal feed can become functional. Alternatively, its left end has a hand wheel and a dial that enables the table to process manual feeding. Depending on their build, worktables can move in horizontal, vertical, both, or any direction.

Spindle

The spindle is another component of the CNC milling machine that is supported by the column. The rotation of this specific component is normally handled by an electric motor. This component has a quick cluster cutter nut that allows it to obtain mechanical step-less speed change, wide adjustment range, stable transmission, and effective overall operation.

Lifting Table

The lifting table, as the name implies, can carry out lifting movement due to the locking handle. The locking handle, which is equipped with a long handle on its front end, is located on the lifting table’s left side. This handle can drive and rotate the bevel gear and the screw of the table, allowing it to perform lifting action.

Machine Tool

The machine tool is a CNC milling machine component that is held by the spindle. This specific component carries out the material removal operation of the machine and can take different forms, which would depend on the specifications and requirements of the milling application. Machine tools available can be categorised between horizontal and vertical milling machine tools.

These CNC milling machine parts and components all work together just to provide the needed milling operations for part production. For more information about CNC milling machines, just contact us at Kinetic Engineering.

 

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