Careful design and manufacture of CVD diamond independent sheet fracture toughness, other key properties of strength, can improve high-performance tools for CNC rotating wheel dressing, high-speed or near-dry processing aluminum metal-based composite materials.
The CVD diamond tool is similar to the PCD tool. The diamond blade is brazed with a tungsten carbide or high-speed steel body with a notched corner, and the tool is refined with a diamond wheel. The thick-film diamond blade sturdy brazing technology was developed in the 1990s. This technology solves the problem of selecting the metal-cut film and diamond-coated carbide inserts. Bonding and tool body selection for cutting diamond-coated carbide inserts has been widely considered to have a negative impact on machining. Most of the thick film CVD diamond materials used independently for cutting tools are approximately 0.5 mm thick. The relatively smooth, fine-grained (about 1 μm) nucleus surface is generally polished for use as a cutting tool rake face; the side coarse particle surface (>50 μm) is vacuum brazed with a tungsten carbide body or a high speed steel knife Physically.
Although the CVD process is strictly controlled, it ultimately determines the quality of the blade and the robustness of the tool. Most experienced manufacturers often use grinding wheels for the PCD industry, and in order to accommodate the hardness of CVD diamond materials, they extend the grinding time.
J&M Diamond Tool Company grinds CVD diamond with PCD formula grinding wheel. Compared to PCD tool, it takes 10%~20% time to grind a CVD diamond tool blade. However, extending the edge grinding time allows the tool manufacturer to achieve better surface roughness than the PCD tool. Since CVD diamond is more wear resistant than PCD, simply increasing the feed of the grinding wheel creates an excessive grinding force that damages the cutting edge of the CVD diamond tool.
Thick film CVD diamond can be used to produce a brazed, mirror surface roughness (Ra)
The robust wear resistance of the independent CVD diamond material makes it an excellent choice for a wide range of machining applications such as high silicon aluminum milling. Tool life in CVD diamond machining of aluminum alloys is often 1.55 times longer than commercial PCD tool life. The actual improvement is determined by the design and manufacturing technology of aluminum alloy and cutting tools. CVD diamond tools are often used for turning pistons, for aluminum wheel finishing, other high-silicon-aluminum materials, metal-based composite materials, and mechanical machining required for intermittent cutting. Although the high silicon aluminum total CVD diamond set is the object of research, the machining of low silicon aluminum materials for diamond blade tools is becoming more and more common. High-productivity machining or precision finishing requires the use of diamond tools. An automotive manufacturing company finishes an aluminum part. The CVD diamond insert tool is not only 30% more durable than the PCD, but it also continuously processes the required surface roughness for the entire life of the tool.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
Pedestal Support ,Adjustable Deck Joist Support,Adjustable Floor Joist Support,Adjustable Plastic Pedestal Support
Jiangxi Taurus Technology Co., Ltd , https://www.chinapedestal.com