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AboutHenan Dexiang New Materials Co., Ltd. is located in the Dengfeng Industrial Cluster Zone, Zhengzhou City, Henan Province. Established in 2016, the company is a joint-stock enterprise with an annual production capacity of 15,000 tons, including cryolite, aluminum alloy refining agents, slag-removal additives, and molten ash separation agents.
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The Role of Cryolite in Grinding Wheels
Cryolite (chemical formula Na₃AlF₆ or KAlF₄) serves as a key active filler in resin-bonded grinding wheels, significantly enhancing wheel performance through synergistic physical and chemical interactions. Its core role is evident across five key dimensions:
1. Thermal Management Optimization
Cryolite has a low melting point; during grinding, it absorbs heat and melts, forming a lubricating film that reduces the temperature in the grinding zone by more than 30%, thereby minimizing thermal damage to the workpiece. Experimental data show that grinding wheels containing cryolite achieve a 45% reduction in the thickness of the oxide layer on the workpiece surface and a 60% decrease in burn areas during high-speed grinding operations.
2. Enhanced Self-Sharpening
Fused cryolite promotes the periodic shedding of abrasive grains, preventing wheel clogging. For instance, when grinding stainless steel, using a cryolite-coated grinding wheel doubles its self-sharpening efficiency and increases material removal rate by 35%, while maintaining a surface roughness of Ra ≤ 0.8 μm.
3. Balancing Strength and Toughness
Cryolite particles form a "bridging structure" within the resin matrix, increasing the flexural strength of the grinding wheel by 15%-20% and enhancing its impact resistance by 25%. In high-load cutting applications, the wheel's breakage rate is reduced by 40%.
4. Extended Lifespan
Cryolite extends the lifespan of grinding wheels by reducing thermal stress and mechanical wear, increasing their durability by 30% to 50%. For instance, in the machining of automotive engine cylinder blocks, the output per single grinding wheel has been boosted from 800 parts to 1,200 parts.
5. Process Adaptability
Cryolite is suitable for both dry and wet grinding applications, and it can even replace coolant in dry grinding processes, helping to reduce production costs. It exhibits excellent compatibility with abrasives such as alumina and silicon carbide, enabling sub-micron precision control in high-precision grinding operations.
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Phone:+86-13939099139
Landline:+86-(0)371-62866956
Fax: +86-(0)371-62866956
Email:hndxxcl@163.com
Factory Address: Dengfeng Industrial Cluster Zone, Zhengzhou City, Henan Province
Annual production capacity includes 15,000 tons of cryolite, aluminum alloy refining agents, slag-removal additives, and roasted ash separation agents. These products are widely used in industries such as electrolytic aluminum smelting, alloy aluminum processing, steel casting, resin-bonded grinding wheels, and coated abrasive tools.The company's product quality has been certified to ISO 9001 standards.