TAPPI TIP 0304-47 (R2018)

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This TIP is a general guide for checking bearing wear on the corrugator. Bearing clearance can be simplydefined as the distance between a roll journal and its supporting bearing or the amount of “free play” in a bearing.In many cases however, the total movement measured may include eccentric clearances and wear and alsosideframe or housing wear, in addition to the actual bearing clearance. This is often called “total movement” or”lift” in order to make the distinction. Determining the amount of movement in each of these components goesbeyond the scope of this TIP and may involve removing end caps, bearing retainers, etc. To measure bearingclearances on a machine requires a dial indicator or gage and holder with magnetic base and a pry or lift bar.Bearing clearances are typically measured in 0.001 in. (0.0254 mm) increments. Note that the bearing clearanceson heated rolls should be checked while the machine is hot!

Product Details

Published:

06/01/2012

Number of Pages:

5

File Size:

1 file , 280 KB

Redline File Size:

2 files , 2 MB