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Thermal power plant gear shaft industrial gear shaft for power transmission
This is a custom industrial gear shaft for thermal power plant power transmission, fully manufactured to the provided technical drawing. It features multi-stage stepped diameters, precision tapers (1:12 and 1:3), and keyways for secure gear and bearing mounting, designed for heavy-duty continuous operation.Key Specifications from DrawingParameter Specification (from drawing)Total Length Up to ~4000mmTaper Ratios 1:12 and 1:3 sections for mating componentsCritical Diameter Tolerances Ø635 H8 / Ø835 H8Geometric Tolerances Straightness: 0.010mm on key journals; runout controlled within 0.005mm / 0.009mmCross-Section Profiles Multi-diameter stepped sections (Presjek A-A to K-K) with Ø values ranging from ~300mm to 900mmSurface Features Keyways, undercuts, and transition fillets detailed in Detalj "a", "b", "c"Material & Process Forged steel, heat treated, then precision machined to meet power plant durability requirements✅ Precision taper design for secure power transmissionFeatures 1:12 and 1:3 tapers as shown in the drawing, ensuring accurate fit and reliable torque transfer with mating gears and couplings.✅ Strict dimensional & geometric controlCritical journals follow tight tolerances:Diameter tolerance: Ø635 H8 / Ø835 H8Straightness tolerance: 0.010mmRunout tolerance: 0.005mm / 0.009mm on specified sectionsGuarantees minimal vibration and stable long-term operation.✅ Multi-section stepped shaft structureDesigned with varying diameters (Presjek A-A to K-K) and custom cross-sections to match power plant gearbox layout requirements, with keyways and fillets optimized for stress reduction.✅ Full compliance with drawing requirementsAll features (tapers, keyways, fillets, and special details in Detalj "a", "b", "c") are machined exactly as specified, with 100% dimensional verification against the drawing.✅ Suitable for thermal power plant heavy-duty useForged steel construction with heat treatment ensures high strength, fatigue resistance, and wear performance under continuous high-torque conditions.Thermal power plant turbine/generator gearboxesAuxiliary equipment drives (coal mills, fans, feeders)Heavy-duty industrial power transmission systems requiring precise taper and keyway fitaligned with drawing requirements100% visual and dimensional inspection against the drawingUltrasonic testing (UT) to confirm internal soundnessSurface roughness and runout checked to meet specified tolerancesAll critical features verified using calibrated measuring tools
Jinan Hejess Machinery Co.,Ltd.
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Address: Zhangqiu Industrial Area,Jinan City, Shandong Province, China 250200