CNC processing method: milling
author: Universe plastic
2024-08-30
CNC milling is a common CNC machining method used to manufacture parts of various shapes and complexities. It is widely used in the processing of metal, plastic, wood and other materials, with the advantages of high precision, high efficiency and repeatability.
CNC milling is an important processing link in injection mold manufacturing. Universe Plastics Engineers will take you to learn more about CNC milling.
CNC milling work equipment
1. Milling machine
A CNC milling machine is a milling machine tool equipped with a computer control system, usually with three axes, X, Y, and Z, capable of moving the tool or workpiece on these axes.
2. Knives
Milling uses rotating cutting tools to remove material. The cutting tools can be end mills, face mills, ball nose mills, etc., suitable for different types of cutting tasks.
3. Workbench
The workpiece is fixed on the workbench and can be processed in different directions through the movement of the workbench.
CNC milling workflow
1. Programming
Design the three-dimensional model of the part through CAD/CAM software and generate G code (CNC programming language). G code defines the tool path, cutting depth, feed speed and other processing parameters.
2. Tool path
CNC milling machine tools control the movement path of the tool on the workpiece according to the G code to achieve cutting operations. The tool can move along the X, Y and Z axes to perform cuts at different angles and depths.
Characteristics of CNC milling
1. High precision
CNC milling can achieve very high machining accuracy and surface finish. Modern milling machines often have high-precision positioning and repeatable positioning capabilities.
2. Flexible processing
Complex geometries can be machined, including planes, slots, holes, chamfers and contours. Suitable for making parts and molds of various shapes.
3. High degree of automation
CNC milling machines can automatically perform machining tasks, thereby reducing manual intervention and improving production efficiency. The operator only needs to set up the program and workpiece, and the machine can automatically complete the processing.
4. Good repeatability
Once a machining program is written and verified, the CNC mill can repeat the same machining task, ensuring part consistency.
CNC milling types
1. Plane milling
Definition: Remove material from the surface of the workpiece to form a flat surface. Includes face milling and grooving.
Application: For manufacturing parts with flat surfaces and uniform thickness.
2. Contour milling
Definition: Cut the workpiece according to the set contour to form the required shape. Includes external and internal contour milling.
Application: Used to produce complex contours, such as mechanical parts, molds, etc.
3. Milling and slotting
Definition: Cutting a specific groove shape on the workpiece. It can be straight groove, round groove, V groove, etc.
Application: Used to manufacture functional structures such as grooves and keyways.
4. Drilling and milling
Definition: Drill holes on the workpiece and perform corresponding processing, such as reaming, countersunk holes, etc.
Application: used for component assembly, mating holes, etc.
5. Three-dimensional milling
Definition: Three-dimensional cutting is performed on the workpiece through a tool to create complex geometric shapes.
Application: used for high-precision molds, complex parts, etc.
CNC milling applications
1. Machinery manufacturing: manufacturing mechanical parts, gears, bearings, etc.
2. Mold manufacturing: making injection molds, stamping molds, etc.
3. Aerospace: manufacturing aircraft parts, engine components, etc.
4. Automobile industry: production of auto parts, engine components, etc.
5. Electronic products: processing electronic components, casings, etc.
Summarize
CNC milling is a very flexible and high-precision machining method that can handle a variety of complex shapes and sizes. Through computer control and advanced cutting tools, CNC milling improves processing efficiency and quality, and is widely used in various manufacturing fields.
Dongguan Universe Plastic Co., Ltd. has more than 15 years of experience in CNC processing molds. It has a professional team and advanced processing equipment to provide high-quality and cost-effective injection mold manufacturing services.
If you are looking for a professional CNC mold manufacturer, welcome to contact us for the latest service information.
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