CNC Machining by Kinetic Engineering NSW: Ensure Successful Part Production
25 August 2023Ensure part production success with Kinetic Engineering NSW’s CNC machining. Precision manufacturing for reliable results.Call (02) 9153 9911.
The entire process of computer numerical control (CNC) machining is driven by computer-aided design (CAD) and computer-aided manufacturing (CAM) software. The CAD software helps in creating a digital 3D model of the part through the specified dimensions, features, and tolerances. The CAM software then translates the CAD model into toolpaths that guide the CNC machine in carrying out the necessary machining operations.
Now, to ensure successful part production, several design elements should be considered as they can impact the quality, efficiency, and cost-effectiveness of the machining process. Some key design considerations for CNC machining include the following.
Material Selection
The choice of material for the part plays an important role in CNC machining. Different materials possess varying machinability characteristics like hardness, ductility, and thermal conductivity. Understanding them helps in selecting the right material that is compatible with the machining process and achieves the desired functional requirements of the industries.
Design for Manufacturability
Designing parts with manufacturability in mind is crucial for CNC machining. It involves optimising the part’s geometry, features, and tolerances to guarantee ease of machining and cut production challenges. Simplifying the design, reducing unnecessary complexity, and avoiding tight tolerances that are difficult to achieve can conveniently streamline the manufacturing process and improve overall efficiency.
Machining Strategy and Tool Selection
Selecting the appropriate machining strategy and tools is critical for achieving the desired part characteristics. Some key components of the said strategy include the cutting paths, tooling types, and speeds and feeds. Efficient tool selection ensures optimal material removal rates, surface finish, and tool life. Collaboration between the design and manufacturing teams can help identify the most suitable machining strategy and tools for the project.
Part Orientation and Fixturing
Proper part orientation and fixturing are essential for CNC machining. The part needs to be positioned and secured in a way that allows access to all required machining features. It also intends to minimise vibrations or movement during the operation. Adequate support and stability are likewise crucial to maintaining dimensional accuracy and surface finish.
Wall Thickness and Features
Another design consideration for CNC machining is the wall thicknesses. Maintaining appropriate wall thicknesses and avoiding sharp corners or features with high aspect ratios are necessary for CNC machining. After all, thin walls may be prone to distortion or breakage, while features with high aspect ratios can lead to tool deflection or vibration. Designing parts with suitable wall thicknesses and feature geometries can help establish better part integrity.
Surface Finish Requirements
Clearly defining the required surface finish early in design is important for CNC machining. Surface finishes can be influenced by tool selection, machining parameters, and part geometry. Communicating the desired surface finish to the manufacturer helps in selecting appropriate machining techniques and achieving the desired aesthetic and functional properties of the part.
Considering these design factors in CNC machining allows manufacturers to enhance the quality, efficiency, and cost-effectiveness of the part production process. Collaboration between design engineers and CNC machining experts is likewise crucial for addressing these elements and ensuring successful part production that meets the desired requirements.
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