Dia 250mm Rubber Lagged Heavy Duty Belt Conveyor Drum Pulley
Technical feature 1,Middle and heavy pulleys will be inspected with static analysis and Three-dimension finite element analysis software, which strictly ensure the quality; 2,the material for shell is 16Mn of more superior performance instead of Q235, which ensures shell quality and performance, whose content of S and P ensures welding quality; 3,the material for shaft is forged shaft of 40Cr instead of #45 round steel,which improves mechanical property;
4,the bearing block and taper-lock are ground, which ensure the installation precision; 5,the welding line and shaft are inspected by NDT and the shaft will be tested three times, which can ensure the quality of shaft and welding line; 6,stress annealing will be done after welding with CO2 gas shielded arc-welding machine, which can ensure the quality of welding line;
7,the contact sealing is adopted, which enjoys more superior dustproof and waterproof; 8,Static balance test will be done for pulleys according to GB10595-2009, which reaches the precision class of G40.
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