Tandem Roller. Monday , June 04th , 2018 - 15:01:56 PM
Rollers are also used in landfill compaction. Such compactors typically have padfoot or "sheep s-foot" drums and do not achieve a smooth surface. The pads aid in compression due to the smaller area contacting the ground.
In a sequence of gears chained together the ratio depends only on the number of teeth on the first and last gear. The intermediate gears regardless of their size do not alter the overall gear ratio of the chain. However the addition of each intermediate gear reverses the direction of rotation of the final gear.
In the photo assuming the smallest gear is connected to the motor it is called the drive gear or input gear. The somewhat larger gear in the middle is called an idler gear. It is not connected directly to either the motor or the output shaft and only transmits power between the input and output gears. There is a third gear in the upper-right corner of the photo. Assuming that gear is connected to the machine s output shaft it is the output or driven gear.
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