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Material selection

In the field of CNC machining, material selection plays a critical role in determining manufacturing capabilities and the final quality of the product. With extensive experience and expertise, our company offers CNC machining services in a variety of materials to meet your manufacturing needs.

We provide a broad range of material options, including but not limited to metal, plastic, wood, etc. Metal materials like aluminum alloy, stainless steel, and titanium alloy offer excellent strength and durability, making them suitable for products that require high precision and robustness. On the other hand, plastic materials such as ABS and nylon are ideal for applications that prioritize lightweight and insulation needs.

When processing metals with turning and milling machines, it's essential to consider the characteristics and processing points specific to each metal.

Here are the key points to note when machining metal on a turning and milling machine:

Select appropriate tools and cutting parameters

Since different metals possess varying levels of hardness and toughness, it is crucial to select suitable tool types and cutting parameters to ensure optimal cutting results and prolong tool life.

cooling and lubrication

During the turning and milling process, metal materials can reach high temperatures, requiring the use of suitable cutting fluid or coolant to minimize heat and tool wear.

Ensure the proper fixation of the workpiece

Ensure the workpiece is securely mounted to prevent vibration and unstable processing. Select appropriate fixtures and fixing methods to guarantee the workpiece remains in a stable position during processing.

Choose the appropriate cutting direction

Consider the characteristics of the metal and select the appropriate cutting direction to ensure an even distribution of cutting force, thereby reducing the tool load.

handling chips

Clean the chips promptly during the machining process to prevent them from blocking the tool or affecting the quality of the machined surface.

Choose the appropriate processing sequence

Select an appropriate machining sequence, ensuring rough machining precedes fine machining to achieve the desired dimensions and surface quality.

Proper depth of cut and feed rate

Control the cutting depth and feed rate to prevent excessive cutting, which may lead to tool wear or workpiece deformation.

surface treatment

Consider the characteristics and application requirements of the metal to determine if surface treatment is necessary, such as chrome plating, aluminum plating, anodizing, hard anodizing, etc., aiming to enhance the corrosion resistance and appearance quality of the product.

Avoid thermal deformation

Some metals are prone to thermal deformation during processing, especially during high-speed cutting. Control processing speed and cooling methods to reduce the possibility of thermal deformation.

Regular inspection and adjustment

Regularly check the condition of the cutting tools and the quality of the machined surfaces during the machining process, and trim or replace the cutting tools as necessary.

In summary, when processing metals with turning and milling machines, it is essential to devise appropriate processing strategies based on the characteristics and processing requirements of different metals. Continuously monitor and adjust processing parameters to ensure the accuracy and quality of the final product.

Metal grinding is a commonly used method in metal processing to enhance the smoothness, precision, and surface quality of metal surfaces.

According to different processing needs and processes, metal grinding can be divided into several different types, including:

Surface grinding

This is the most basic method of metal grinding, employed to create a smooth surface on the flat surface of a metal workpiece. This type of grinding can be performed through either manual operation or with an automatic grinder.

Cylindrical grinding

This grinding method is utilized for processing cylindrical workpieces, such as shafts and threads, creating high-precision cylindrical shapes and surface quality.

Internal grinding

It is used to process the surface of the internal hole of the workpiece, where the inner circle is machined by rotating the grinding tool within the hole.

surface grinding

It is used to enhance the smoothness and surface quality of the workpiece, typically after other machining processes such as milling or turning.

Center hole grinding

This type of grinding is employed to process the center hole of the workpiece, ensuring accuracy and parallelism.

Mold grinding

Used for processing mold surfaces to achieve high-precision mold shapes and surface quality.

Cylindrical grinding

This grinding method is employed for processing the cylindrical shape of the workpiece and is commonly used in the manufacturing of bearings, threads, and other complex cylindrical shapes.

Plane and internal cylindrical grinding

This type of grinding combines flat, internal and external grinding and is used to machine a variety of workpiece shapes and surfaces.

The above are just some common metal grinding methods. In reality, numerous other special grinding methods exist. Depending on specific processing requirements and the shape of the workpiece, one can choose a suitable grinding method to achieve the desired processing effect.

Metal surface treatment is a process performed to enhance the appearance, performance, and durability of metal workpieces.

Here are some common types of metal surface treatments:

Plating treatment

plating

By depositing metal ions on the surface of the workpiece, a uniform metal coating is formed to improve corrosion resistance and appearance.

electroplated alloy

Two or more metal ions are deposited on the surface of the workpiece to obtain alloy coatings with specific properties, such as palladium plating, copper plating, etc.

hot dip plating

The metal workpiece is immersed in molten metal to form a metal coating on its surface to improve corrosion resistance and wear resistance.

Spray painting and spray coating

spray paint

Spray paint onto the metal surface to enhance its appearance while providing a certain degree of protection.

Powder Coating

Apply powder coating to form a uniform coating on the metal surface, achieving excellent wear resistance and corrosion resistance through baking and curing.

Oxidation treatment

anodizing

The metal workpiece is immersed in the electrolyte to form an oxide layer through anodization to improve corrosion resistance and appearance quality.

Hard coat anodizing treatment

Hard film anodizing treatment involves suspending the workpiece as the anode in a low-temperature electrolyte. An electric current is then applied to induce the formation of a ceramic-like oxide film on the surface of the aluminum alloy, providing it with extremely high hardness. This oxide film also exhibits excellent corrosion resistance, wear resistance, insulation, and other properties.

Sand blasting and sanding

sandblasting

Utilize high-speed sand jetting to polish the metal surface, removing oxide layers and imperfections, and leaving it smooth.

grind

Utilize grinding tools to mechanically grind metal surfaces, enhancing both appearance and surface quality.

Pickling and polishing

pickling

Utilize an acidic solution to remove the oxide layer and dirt from the metal surface, obtaining a clean surface.

polishing

Smooth metal surfaces using mechanical or chemical methods to enhance both appearance and tactile feel.

Corrosion treatment

acid etching

An acidic solution is applied to corrode metal surfaces, creating specific textures and appearances.

Salt spray test

Tests are conducted to evaluate the corrosion resistance of metals by exposing workpieces to salt spray environments.

UV test

The resistance of laboratory parts to yellowing in an environment exposed to sunlight radiation is simulated to provide a reference for controlling the amount of chemical additives during the manufacturing process.

These are some common methods for treating metal surfaces. Depending on specific needs and applications, you can choose an appropriate treatment method to achieve the desired effect.