CNC Boring Machine

A CNC boring machine is a machine tool that drills holes in either horizontal or vertical direction. The working spindle of the horizontal boring mechanism is parallel to the ground and the working surface. Normally, the tool head and the pieces travel along three linear axes of the CNC boring system. The spindle that moves the component to the work spindle is the Z-axis, with the X-axis crossed and the Y-axis vertical. The job spindle is called the C axis, and if it is fitted with a turntable, the middle line is the B axis.

A CNC Boring Machine Used For

The CNC boring machine is mainly used for reaming where other processes will cause excessive cost, low efficiency, or inaccuracy. Several key uses include finishing of internal surfaces and drilling of heat-sensitive or non-ductile materials. One of the key uses of CNC boring and milling machines is to make the inner surface of the cut hole rough or smooth. Here, the tools used can help texture the inner surface of the hole in a specific way. This is sometimes done when refurbishing products instead of manufacturing new ones. As a physical shearing process, boring and milling machines can expand holes in materials that are not suitable for thermal or electrical based drilling methods (such as laser cutting or electrical discharge machining). Manual boring machines are most suitable for reaming. Although CNC boring machines may have the accuracy necessary for drilling or partially blind holes, this is still not their preferred application.


Benefits of a CNC Boring Machine

The CNC boring machine can handle very large parts. Some machining shops must mill very large workpieces, and this is the advantage of boring and milling machines. Boring and milling machines have a very large "configurable envelope", which allows them to install larger workpieces than similar horizontal milling machines.


Minimizing Tool Deflection
When the resistance encountered by the tool is greater than the resistance that can be easily compensated, tool deflection or machining process deviation will occur. For example, when the spindle is too far away from the anchor rod, if it is placed below it, it will be an unusual Excessive force for drilling at an angle. With a CNC boring machine, the spindle can be removed from the spindle box, which means that the spindle can be kept short to prevent tool deflection. This leads to more consistent drilling.

Durability and Useful Life
CNC boring machines may not be exciting, but they are robust and reliable tools, especially when they are well maintained. With proper maintenance, they can last for decades, which makes second-hand CNC boring machines a particularly desirable investment to maintain their value.

 


Vertical vs. Horizontal CNC Boring Machines

All vertical and horizontal CNC boring machines are designed to perform various forms of boring and drilling tasks manually or automatically. The most common configuration consists of a working material and a cutter head which operates between three axes. The main difference between a vertical boring machine and a horizontal boring machine lies in the installation method of the machine tool, the configuration of the tool, and the placement of the working materials on the machine tool. The first is a vertical boring machine, also known as a vertical turret lathe. In this type of configuration of the CNC boring machine, it is identical to the operation of the engine lathe. The most common parts manufactured with vertical boring machines are turbine runners, ring gear blanks, large pipe flanges, turbine housings, locomotive tires and machine tool tables. Horizontal CNC boring machines can perform various machining operations, such as contour machining, boring, reaming, forming, tapping, end machining, machining, and drilling. When boring large parts with the help of a horizontally positioned spindle, a horizontal boring machine is usually used. In this position, the main axis is parallel to the worktable and the ground. One of the biggest advantages when using this processing tool is that as long as the bridge crane is used, even parts larger than the worktable can be processed. If the part is larger than the worktable, it can be processed.

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