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CNC mill-turn refers to a type of computer numerical control (CNC) machine that combines milling and turning operations in a single setup. This hybrid machine allows for both rotating the workpiece (turning) and rotating the cutting tools (milling), providing greater flexibility and efficiency in manufacturing complex parts.
During the wire EDM process, a very fine metal wire is used as the electrode to cut along a predetermined path on the workpiece. The working fluid passes through the discharge zone between the workpiece and the wire, slowly eroding the workpiece. This method is particularly suitable for manufacturing complex two-dimensional profiles, such as cutting molds, metal parts, etc.
Wire cutting or discharge can handle high-precision dimensions or areas that CNC tools cannot reach, such as internal right angles.
Any metal material can be wire-cut/discharge processed, especially metals with higher hardness are easier to process. Relatively soft materials like copper and aluminum are relatively difficult to wire-cut/discharge process.
There are two main types of Electrical Discharge Machining (EDM) processes – wire EDM and sinker EDM, which are useful for cutting deep pockets and complex features such as gears and holes with a keyway.
During the sinker EDM process, the workpiece is immersed in a dielectric fluid. A metal electrode, known as the tool electrode, then initiates electrical discharge machining between itself and the workpiece. This discharge gradually erodes the surface of the workpiece, shaping it as designed.
Sinker EDM is typically used for manufacturing complex 3D shapes, such as molds, models, dies, and workpieces requiring high precision and surface smoothness.
Electrical Discharge Machining, also known as EDM, is a non-contact machining procedure used to make parts where material is removed from a workpiece using electrical spark erosion. EDM is good for more delicate projects as it does not exert cutting forces on the workpiece.
CNC engraving is a method of part marking achieved with CNC machines, offering high precision in marking text, numbers, or patterns. Its advantages include highly accurate positioning and sizing, flexible content variation, applicability to various materials, and suitability for mass production, making it a widely used marking method.
The disadvantage of ink marking is its limitation to flat surfaces, while its advantage is that it does not affect the overall appearance of the workpiece. When clients receive the assembly, they can use special solvents to erase the markings.
CNC engraving can be performed on all materials, but for softer plastics (e.g., PP), it is recommended to ensure sufficiently large font sizes to avoid unclear engraving caused by plastic burrs.
Laser marking employs laser light to etch the surface of materials, producing various colors for marking. The depth of the etched pattern is shallow enough to minimally affect the thickness of the workpiece.
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