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Composition of speed increasing gearbox
Spare elements of pace rising gearbox scenario, help base, huge gear, transmission axis, bevel wheel and lubrication program.
Specialized attributes
one, complex parameter
Maximum pace output ratio45/157=.2866
Lowest pace output ratio60/157)x(55/sixty)=.3503
Motor power4500kW
Motor speed1000/1300r/min
Higher-velocity output shaft speed4019r/min
Reduced-velocity output ratio3288r/min
Gear meshed speed77.2m/s
The backlash is less than0.36mm
2, Technological traits
Box is soften with thick metal with fantastic top quality to get to the depth that the case essential. Case must get pressure aging remedy ahead of the generate to attain the balance that needed.
Huge gears and gear shaft used carbon alloy steel forging blank, soon after roughing, workpiece want to consider ultrasonic flaw detection approach to quench. In get to ensure the tooth area with higher hardness, tooth surface want to get carburizing and quenching therapy right after semi-finishing. Good grind of tooth surface to insure the large precision, right after ending the manufacturing of gear, the harmony take a look at is required, the encounter velocity is 1500r/min and the harmony stage is G2.5.
Transmission shaft use the alloy metal forging blank, transmission shaft will take quenched to make certain the intensity and durableness. Soon after the semi- finishing, transmission need to have to grind to guarantee the accuracy of each and every workpiece.
When the assemble finished, the no-loading test ought to be keep 2-4hours, the velocity is 1200r/min, the temperature of shaft should not exceed 60º C, the work of equipment ought to be clean, no hitting sound and concussion, every single joint surface should not have oil spill phenomenon.
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