What operations are strictly prohibited when using mining anchor bolts?
21 Feb,2025
Mine bolts are a crucial aspect of coal mining, playing a vital role in supporting the mine body. Therefore, understanding the characteristics of bolts and their application methods is essential for maximizing their support function and ensuring mine stability. Knowing the precautions for using bolts helps prevent accidents.
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Synchronized control technology resolves contradictions in traditional steel structures
21 Feb,2025
With continuous technological advancements, traditional steel structure construction methods are no longer sufficient to meet construction requirements. Therefore, the market continuously adjusts the contradiction between construction processes and requirements, which promotes the further development and application of the steel structure overall lifting process with better economic and social benefits.
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Briefly describe the role of flux in welding
21 Feb,2025
Experimental Materials and Equipment The experimental material was ZA alloy, processed into a test plate with dimensions of 200mm × 140mm × 20mm using metal mold casting.
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The extended drawing of wire rod leads to wire cracking
21 Feb,2025
Non-metallic inclusion inspection is performed under a 100x optical microscope for inclusion rating.
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What is the maximum allowable shortage of coal mining machine picks?
08 Jan,2025
The number of missing coal mining machine picks must not exceed 10% of the total. This is because coal mining machine picks are important tools in the coal mining process, and an excessive number of missing picks will affect coal mining efficiency, coal seam quality, and the service life of the coal mining machine.
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