CBN and PCD tools for casting and machining development

**Abstract** Casting is a manufacturing process in which molten metal is poured into a mold and allowed to cool and solidify, forming a workpiece with the desired shape and properties. This technique has been used for thousands of years in China, dating back to the Bronze Age and continuing through the Industrial Revolution. Throughout history, casting has played a vital role in the development of the machinery industry, from large-scale applications such as aircraft components, high-speed train parts, marine equipment, and power systems, to everyday items like cooking pots and kitchenware. Castings can be broadly categorized into two groups based on the materials used: ferrous metal castings, including gray iron, ductile iron, alloy cast iron, and cast steel; and non-ferrous metal castings, such as copper alloys and aluminum alloys. As mechanical engineering has advanced, the performance of these materials has significantly improved, leading to an increased use of high-speed and dry cutting techniques in machining. Cubic boron nitride (CBN) and diamond tools (PCD) have become essential for processing difficult-to-machine materials at high speeds due to their superior hardness and wear resistance. The casting process typically involves several key stages: melting the metal, creating the mold, pouring the molten metal, allowing it to solidify, and finally removing the casting from the mold and cleaning it. Common materials used in casting include cast steel, cast iron, cast copper alloys, and various types of aluminum, zinc, and lead alloys. Despite its widespread use, casting is not without challenges. Defects such as porosity, sand inclusion, shrinkage, cold shuts, and other imperfections often occur during the process. These issues are difficult to avoid and can affect the quality of the final product. Traditional repair methods usually involve welding, and for surface finishing, hardfacing layers are applied. CBN tools are particularly effective in achieving smooth surfaces on irregular or uneven workpieces. Modern casting technologies continue to evolve, with increasing demands for high-hardness, high-strength, and high-wear-resistant materials. Machining processes must keep pace, using advanced tools that allow for high-speed, high-efficiency, and high-precision operations. CBN and PCD tools provide the necessary solutions for these demanding applications. For instance, the BN-K1 grade is ideal for roughing large castings made of high-chromium white iron, while BN-S30 is well-suited for gray cast iron. CDW10 PCD cutters can machine aluminum alloys at speeds over 1000 m/min. As casting becomes more integral to mass production and high-performance requirements, the industry increasingly adopts high-speed and dry cutting techniques. In the 21st century, new machine tools, CNC technology, and advanced tool materials will play an even greater role in improving efficiency and precision in casting and machining. As a leader in tool localization, CBN and PCD tools specialize in hard material processing and high-speed machining. Their tailored services, professional support, and fast response times ensure reliable and efficient solutions for high-hardness and high-speed cutting applications.

IR Domed LEDs

As we know, the IR LED includes the LED with wavelength from 700nm to 1550nm (or even longer). And this infrared LED bare die can package with different case. In this catalog, we mainly offer this IR LED with package like IR Domed LEDs, high power IR emitter, High Power IR LED ect.

Best LED factory offer this IR Domed LED with high quality. In order to provided performance for each type of application, we packaged this LED with a dome lens on the top of IR SMD LED . The wavelength such as: 940nm LED, 850nm LED , 730nm LED , 900nm LED ect are all available in this type of case. This domed IR LED are widely used in CCTV night vision system or some other CCTV systems, or other application that need some high power IR transmitter ect.

The wavelength such as: 940nm LED, 850nm LED, 730nm LED, 900nm LED ect are all available in this type of case.

Features:

- Comes in a clear dome lens

- Infrared light source with high efficiency

- Kinds of wavelength are available

- Smaller and cost efficient

Application:

- IR control system

- CCTV surveillance

- IR therapy system

- Amusement

- 3D capturing

ect.

Dome lens SMD, Domed lens LED,Dome lens LED, IR Dome lens SMD LEDs,Dome lens SMD LED

Shenzhen Best LED Opto-electronic Co.,Ltd / BESTSMD CO LIMITED(HK) , https://www.bestsmd.com