Ceramic Inserts
Ceramic inserts, also known as ceramic cutting inserts are cutting tools used in machining and metalworking processes. They are typically based on aluminum oxide, silicon nitride or carbide and are designed to replace traditional carbide cutting inserts in certain machining operations. Ceramics is used due to its unique properties, which include higher hardness and red-hardness than that of carbide.
Features of Ceramics Cutting Inserts
The main feature of cutting ceramics is the absence of a binder, which significantly reduces its softening when heated and allows for the usage cutting speeds much higher than those achievable with carbide inserts.
Ceramic inserts are primarily used in applications where the benefits of their hardness, heat resistance, and wear resistance outweigh their brittleness. Mainly these are finishing operations under rigid technological system conditions.
Development of ceramics cutting tools offers an advantage due to the ready availability of raw materials, unlike carbide, which relies on tungsten, a material subject to supply constraints and price fluctuations.
As the cutting tool manufacturer, WENZA has a few grades to optimize the performance of ceramics inserts in specific cutting operations. The selection of the appropriate ceramics grade depends on factors such as the workpiece material, cutting conditions, and the desired machining outcome. Refer to the table below to learn more about ceramics grades and their characteristics.
Ceramics Grades Description
Apart from common ceramics inserts, we at WENZA offer customized ceramics inserts. The geometry of the cutting insert, its shape and cutting edge angles can be designed to suit the specific cutting operation. For more information about customization options refer to the table below.
Cutting Edge Designs
Selecting the right ceramic cutting insert is an important decision that can significantly impact machining performance, tool life, and overall productivity. Take the time to assess your specific needs, consider such factors as material, cutting speed, and surface finish requirements to determine the tool you need.

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Availability in Shapes and Sizes for Ceramics Inserts
Ceramics cutting inserts by WENZA are available in various shapes and sizes, allowing you to select the most suitable tool for your specific application. The choice of shape and size depends on the specific cutting task and the type of machinery being used. Refer to the tables below to learn the shapes and sizes of ceramics inserts available at WENZA.
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