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Understanding the processes of CNC precision machining involves grasping the sequential steps and techniques used to transform raw materials into finished components with high accuracy and precision.
Here's a breakdown:
Design:
The process starts with designing the component using Computer-Aided Design (CAD) software. Design considerations include functionality, dimensions, tolerances, and material selection.
Programming:
Once the design is complete, Computer-Aided Manufacturing (CAM) software is used to generate CNC (Computer Numerical Control) programs. These programs contain instructions for the CNC machine to follow, including toolpaths, feed rates, and tool changes.
Material Preparation:
The selected material is prepared for machining. This may involve cutting it into the desired size or shape and ensuring it's properly secured for machining.
Setup:
The CNC machine is set up with the necessary cutting tools, fixtures, and workholding devices. Proper setup is critical for ensuring the material is positioned correctly and securely during machining. Setting up takes time before bulk production. Each part requires time to set up. Then, you will understand that the lead time remains the same for quantities within the same order of magnitude, such as 3000 to 10000 pieces.
Machining Operations:
Turning: Rotating the workpiece while a cutting tool removes material to create cylindrical shapes.
Milling: Using rotating cutting tools to remove material from a stationary workpiece, creating complex shapes and features.
Drilling: Creating holes in the workpiece using rotating cutting tools called drills.
Grinding: Using abrasive wheels to remove material and achieve tight tolerances and surface finishes.
EDM: Using electrical discharges to erode material from the workpiece, allowing for precise shaping.
Laser Cutting and Engraving: Using high-powered lasers to cut or engrave materials accurately.
Quality Control: Throughout the machining process, quality control measures are implemented to ensure the components meet specified tolerances and quality standards. This involves inspecting dimensions, surface finishes, and overall quality using precision measurement tools.
Finishing: After machining, additional finishing operations may be performed to improve surface finish, remove burrs, and enhance aesthetics. This could include deburring, polishing, anodizing, plating, or painting.
Understanding these processes involves not only knowing the steps involved but also understanding the principles behind each operation, the capabilities of different CNC machines and tools, and the importance of precision, accuracy, and quality control in CNC precision machining. It requires knowledge of materials, tooling, programming, and machining techniques to produce components that meet the desired specifications and requirements.
Billy Wong
Sales Manager
Huizhou Tianjie Technology Co.,Ltd
T. +86 15816418303