07-22

From the perspective of electrical discharge machining principles, any conductive material can be processed—and low-loss machining is also achievable for all of them. Hard alloys are no exception.

07-22

How is cemented carbide machined, and how can cracks be avoided?

Cemented carbides boast a range of excellent properties, including high hardness, wear resistance, good strength and toughness, as well as exceptional heat and corrosion resistance—particularly their remarkable hardness and abrasion resistance, which remain largely unchanged even at temperatures as high as 500°C.

07-22

What are the other precautions for carbide hobbing cutters?

New carbide hobbers or re-sharpened carbide hobbers require that the cutting edges be lapped with an oilstone before use, rounding the edge to a radius of 0.01 to 0.03 mm. Field experience has shown that carbide hobbers with un-lapped cutting edges tend to wear out more quickly.

07-22

Tungsten carbide coating is used to enhance the corrosion resistance and wear performance of valve cores and valve seats.

To enhance the corrosion resistance and wear performance of the valve stem and valve seat, it is necessary to treat their surfaces with a tungsten carbide coating. These treatment methods can be categorized into surfacing and spraying.

07-22

The Manufacturing Process and Optimization of Cemented Carbide Valve Cores!

The manufacturing process and optimization of cemented carbide valve cores! Cemented carbide valve cores are detachable components inside valves, designed to support the valve core in the fully closed position and form the sealing pair.

07-22

Cemented Carbide Machining: Understanding the Properties of Cemented Carbide

Understanding the properties of cemented carbides: Cemented carbides are powder metallurgy products primarily composed of micron-sized powders of high-hardness, refractory metal carbides (such as WC and TiC), bonded together with cobalt (Co) or nickel (Ni), along with molybdenum (Mo). They are sintered in a vacuum furnace or a hydrogen-reduction furnace.

07-22

Hard Alloy Machining: A Comprehensive Guide to Hardness Testing of Hard Alloys!

Hard alloy hardness testing primarily uses a Rockwell hardness tester to measure the HRA hardness value. The PHR series portable Rockwell hardness testers are particularly well-suited for evaluating the hardness of hard alloys. These instruments offer the same weight and precision as benchtop Rockwell hardness testers, making them both easy to use and highly convenient for portability.

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