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The transmission technique adopts hardened-equipment speed reducer&comma which has acompacted structure with reduced sound and greater transmission efficiency&period of time
Composition of speed increasing gearbox
Spare parts of speed increasing gearbox case&comma support base&comma big gear&comma transmission axis&comma bevel wheel and lubrication system&time period
Technical characteristics
1&comma technical parameter
| Highest speed output ratio | forty five&sol157&equals0&period2866 |
| Lowest speed output ratio | sixty&sol157&rparx&lpar55&sol60&rpar&equals0&time period 0571 3 |
| Motor power | 4500kW |
| Motor speed | one thousand&sol1300r&solmin |
| Substantial-speed output shaft speed | 4019r&solmin |
| Low-speed output ratio | 3288r&solmin |
| Gear meshed speed | seventy seven&period2m&sols |
| The backlash is less than | &period36mm |
2&commaTechnical characteristics
Box is melt with thick steel with great quality to reach the intensity that the case required&period Case should take stress aging treatment before the produce to reach the stability that required&period of time
Big gears and gear shaft used carbon alloy steel forging blank&comma after roughing&comma workpiece need to take ultrasonic flaw detection process to quench&period In order to ensure the tooth surface with high hardness&comma tooth surface need to take carburizing and quenching treatment after semi-finishing &periodFine grind of tooth surface to insure the high accuracy&comma after finishing the production of gear&comma the balance test is needed&comma the experience speed is 1500r&solmin and the balance level is G2&period5&period
Transmission shaft use the alloy steel forging blank&comma transmission shaft takes quenched to make sure the intensity and durableness&period After the semi- finishing&comma transmission need to grind to guarantee the accuracy of every workpiece&interval
When the assemble finished&comma the no-loading test should be keep 2-4hours&comma the speed is 1200r&solmin&comma the temperature of shaft should not exceed 60ºC&commathe work of gear should be smooth&comma no hitting noise and concussion&comma every joint surface should not have oil spill phenomenon&period
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