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What are the factors that influence the tool selection in CNC machining centers?


In the process of CNC machining, the selection of the tool is very important. The choice of the tool determines the quality of the workpiece, because there are certain requirements for the tool performance of CNC machining. Different machining parts and different batches determine the choice of tools. Let's take a look at the factors that affect the choice of CNC machining tools.

cnc machining



(1) Production batch
From the processing cost, there is a certain influence on the selection of the tool. If it is a certain part of mass production, special tools are needed, which is relatively cost-effective. However, if the tool is used to produce a single piece or a small batch, the tool is relatively expensive, so it is more appropriate to use a standard tool.

cnc machining
(2) Machine type
The effect of the CNC machine used to complete the process on the selected tool type. High productivity tools can be used to ensure the rigidity of the workpiece system and the tool system. For example, high-speed cutting tools and large-feed turning tools.

cnc machining

(3) CNC machining plan
Different types of tools are used depending on the requirements of different machining schemes. For example, the hole can be machined by drilling and reaming, and it can also be machined with a tool such as a file. The final selection is based on the machining plan.
cnc machining

(4) Workpiece size and shape
Different dimensions of the workpiece have a certain influence on the type of tool and the choice of specifications. For example, special surfaces require special tools for machining.
cnc machining

(5) Machining surface roughness
The roughness of the machined surface affects the shape and cutting of the tool. For example, when the blank is rough-milled, a coarse-tooth milling cutter can be used, and in the case of finishing, it is preferable to use a fine-tooth milling cutter.

cnc machining

(6) Machining accuracy
The type and shape of the finishing tool are affected by the machining accuracy when selecting, for example, the machining of the hole, drilling, reaming, reaming and boring according to the precision of the hole.

cnc machining

CNC machining has high precision, high efficiency, relatively concentrated machining process and fewer parts clamping times, so it has high requirements for machining CNC tools. From the point of view of the performance of the tool, the CNC tool needs to be higher than the tool used in the ordinary machine tool. Be sure to pay attention to the choice of tools.

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