METHOD FOR REPAIR OF FEED ROLL HOUSING AND REPAIR APPARATUS

摘要

The present invention provides a maintenance method and a maintenance device of a feed roll housing. In regard to this, a first maintenance method of the feed roll housing relates to a maintenance method to restore a transformed feed roll assembly hole of the feed roll housing to an original form, and is characterized such that pressure is applied between a first semicircular and second jigs to spread a gap between a first and the second jigs after the first and the second jig rolls are inserted into the feed roll assembly hole to form a circular shape; thereby restoring the feed roll assembly hole to an original form by pressure to be spread by the first and second jigs.