8 Milling Tools in CNC Machining

Computer numerical control (CNC) machining is a type of manufacturing process that utilises computer software to carry out the movement of tools and machinery. Milling, which maximises rotary cutters in removing parts of a workpiece, can be done through CNC machining. Through rotating multi-point cutting tools, the milling process can be done easily to various materials such as metal, plastic, glass, or wood.

What is great about milling through CNC machining is that it can easily cut a lot of products in a short amount of time. It likewise minimises the expenses when it comes to the labour force. Under CNC milling, there are numerous milling tools that can be used for specific applications. Some of them are as follows:

1. Face Mills:Face mills are tools that are intended to make the surface of a workpiece to be flat. Usually, these milling tools are initially used in workpieces before utilising other milling tools. These tools have multiple cutting edges along their sides that can be either placed or removed depending on the application.
2. End Mills:End mills are cutting tools that can easily cut in the radial direction, as opposed to drill bits that only work in the axial direction. Materials that need to shear away loads can maximise end mills through their sharp cutting flutes on the ends and sides. These cutting tools can be used for side, face, slot, or plunge milling.
3. Taps and Thread Mills:Taps are utilised in cutting internal threads in a workpiece. Thread mills, alternatively, can easily cut through both internal and external threads. Some materials that can easily benefit from these milling tools are aluminium, brass, copper, and plastics.
4. Centre Spotting Drills:Centre spotting drills are designed to create an accurate conic hole that will prevent drill bits from going to other places during the milling process. These tools are also helpful in maintaining the location and direction of the drilling process. Centre spotting drills can work easily with spotting-countersink drills.
5. Twist Drills:Twist drills are rotary cutting tools that are comprised of one or more flutes. Their composition allows them to remove chips and allow coolant to reach the intended cutting action. Most of these tools are made from high-speed steel or solid carbide.
6. Fly Cutters:Fly cutters are milling tools that can be utilised in machining workpieces with huge, flat surfaces. They typically work and move in a clockwise rotation, allowing them to come up with an ultra-clean and spotless shine. Their cutting depth can be adjusted easily.
7. Reamers:Reamers can perfectly expand existing holes and subsequently provide a smooth surface finish to a workpiece. These cutting tools ensure that the holes would have accurate diameter and roundness. The holes, however, must be pre-drilled and must be close enough to the tool’s size.
8. Tool Holders:Tool holders are tools that can effectively hold and maintain the positioning of the end mill in place. They make sure that the attached end mill will be firm and stable.

For more information about these milling tools, you can contact us at Kinetic Engineering.

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