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Poor machining of sprocket pockets can easily trigger problems with scraper conveyor chains.The sprocket pocket is a groove structure on the sprocket body of the scraper conveyor sprocket assembly, which meshes directly with the round link chain. During operation, it is subjected to continuous tension from the round link chain, as well as i
Created on 10.30
Remanufacturing Process of Broken Shaft Assembly and Treatment Methods for Key ComponentsIn coal mining working faces, the broken shaft assembly of the scraper conveyor is subjected to long-term impact and wear. Components such as hammer heads, bearings and belt pulleys may suffer varying degrees of damage, which impairs the crushing eff
Created on 10.29
Sprocket Shaft Assembly Remanufacturing: Precision Surfacing CladdingSprocket Shaft Assembly Remanufacturing: Precision Surfacing Cladding
The sprocket shaft assembly is a key transmission component of the scraper conveyor with high cost. In service, friction against the scraper chain tends to cause varying degrees of
Created on 10.28
From used part assessment to processing and delivery, these are the key stepsWhen repairing coal mine spare parts, the biggest concern is failing to replace components that should be replaced, which leads to equipment failure shortly after going underground. Another common issue is unnecessary replacement of repairable parts,
Created on 10.27
What Else Should Be Checked Besides Seals When a Sprocket Shaft Assembly Leaks Oil?Replacing seals is a common remedy for oil leakage of sprocket shaft assemblies. However, leakage may persist after seal replacement or recur after a period of operation. This means the leakage is not necessarily caused by the seals themselves.
Simpl
Created on 10.26
Henan Shuangzhi: Empowered by Technology & Equipment, Steadily Serving the Longwall Coal Mine Fitting MarketHenan Shuangzhi Machinery Equipment Co., Ltd. (hereinafter referred to as Henan Shuangzhi) is an integrated enterprise specializing in the production, sales and service of longwall coal mine spare parts. The company focuses deeply on manufacturing sp
Created on 10.23
Hydraulic Chain Tensioner Failure: Replace or Repair? Check These 3 PointsThe hydraulic chain tensioner is mainly used for chain tensioning of scraper conveyors. It integrates hydraulic structure and mechanical transmission structure. Once a failure occurs, it cannot be solved simply by replacing one single component, nor
Created on 10.22
Heat Treatment of Sprocket Assembly: Three Critical Stages of Heating, Quenching and TemperingOnce a sprocket assembly enters the heat treatment process, the key control does not only lie in temperature, but also the process parameters across all stages including heating, holding, quenching and tempering. Especially for large-sized sprocket a
Created on 10.22
Why Does the Friction Torque Limiter Slip When the Scraper Conveyor Jams?0During operation, the scraper conveyor may jam due to coal accumulation, foreign matter entry and other causes, leading to a sudden rise in load. The motor keeps outputting power, the resistance torque on the load side increases, and the torque in th
Created on 10.21
More Than Speed — Consistency Is Our Priority! Four-Axis Linkage Elevates the Quality of Coal Machine ComponentsIn the manufacturing of scraper conveyor parts, components feature complex structures and numerous machining surfaces, which impose higher requirements on processing equipment and procedures. This is especially true for structural parts such as sproc
Created on 10.21
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