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CNC Milling vs CNC Turning: Which Machining Process is Best for You

CNC milling and CNC turning are two commonly used CNC machining methods, and they both utilize the CNC system to control the movement of the machine tool and achieve precise machining of the workpiece. However, they also have many differences, mainly in the following aspects:

- Working principle: CNC milling is the use of rotating tools along the horizontal or vertical axis of the fixed workpiece cutting, mainly used for machining flat surfaces, grooves, gears, helical surfaces and other various surfaces of the workpiece. CNC turning is the use of fixed tools along the linear or curved trajectory of the rotating workpiece cutting, mainly used for processing shafts, disks, sets and other workpieces with rotary surface.

- Machining capacity: CNC milling can process a variety of complex surfaces and shapes, but can not process cylindrical or conical surfaces. CNC turning can process workpieces with rotational symmetry, but cannot process complex surfaces and shapes. CNC milling can also be drilling, tapping, knurling and other processing, while CNC turning needs to work with other equipment or processes.

- Cutting tool characteristics: CNC milling tools are multi-point tools, each time there are more than one tooth in contact with the workpiece, the cutting force is larger, the tool life is shorter. CNC turning tool is a single-point tool, each time there is only one tool tip in contact with the workpiece, the cutting force is smaller, the tool life is longer.

- Cutting mode: CNC milling uses intermittent cutting, the tool is in constant contact with the workpiece and disengagement, the cutting speed and feed rate is relatively high. CNC turning involves continuous cutting, the tool is always in contact with the workpiece, the cutting speed and feed rate is relatively low.

According to the above differences, we can choose the appropriate machining method according to the shape, size, material, precision, quantity and other factors of the workpiece. Generally speaking, CNC milling is suitable for processing complex non-rotationally symmetric workpieces, while CNC turning is suitable for processing simple rotationally symmetric workpieces. Of course, there are some workpieces that require both CNC milling and CNC turning, and then it is necessary to arrange and optimize the process to improve the processing efficiency and quality.

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Better Methods: Milling Before Turning and Turning Before Milling.

Milling before turning refers to roughing the workpiece with a CNC milling machine first, and then finishing the workpiece with a CNC lathe. The advantage of this method is that it can reduce the deformation and stress of the workpiece and improve the accuracy and surface quality of the workpiece. The disadvantage of this method is that it requires several times of clamping and centering, which increases the processing time and cost.

Turning before milling refers to roughing the workpiece with a CNC lathe first and then finishing the workpiece with a CNC milling machine. The advantage of this method is that it can reduce machining time and cost and improve machining efficiency. The disadvantage of this method is that it may lead to deformation and stress of the workpiece, reducing the precision and surface quality of the workpiece. According to the material, structure, size, precision and other requirements of the workpiece, you can choose the appropriate process method.

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CNC milling and CNC turning are two different CNC machining methods, which have their own advantages and disadvantages and are suitable for different workpieces and occasions. In the actual machining process, it is necessary to select the appropriate machining method and process method according to the characteristics and requirements of the workpiece in order to achieve the best machining results. CNC machining is a comprehensive technology that requires continuous learning and practice to master its essence and skills.

Selection of Suitable Milling and Turning Machining Partners

Do you need high-quality CNC machining services? Whether your workpiece is a complex curved surface or a simple rotary body, Richconn can provide you with professional CNC turning services and CNC milling services to meet your various needs.Richconn has advanced equipment and technology to perform precision machining on workpieces in a wide range of materials and industries to ensure the dimensions, accuracy, surface quality, and performance of your workpieces. Richconn can also carry out customized design and machining according to your drawings or samples to meet your individual and diversified needs.Richconn's products are characterized by high precision, high quality, high efficiency and high cost performance, which have won the trust and praise of customers. If you would like to learn more about Richconn's CNC machining services, please feel free to visit our website or contact our online customer service.Richconn is looking forward to cooperating with you and providing you with the best quality customized CNC machining services.

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