| 摘要 |
This roll is produced by inserting roll of hard alloy as ceramic alloy high-speed steel to the fixed part of the rotation shaft bar and tight fixing to a fixed tube. This roll provides a combination of good durability and convenience of disassembling and assembling. This roll includes rotation shaft bar(1), a shaft part of taper(102), circular projection(1a), oil storage chamber(101)(501)(801), press-ring figure of piston type(6)(9), space supporting parts(3)(4), screw part(104), fixed nut(8), roll(2), fixed tube(7), spring(11), center hole(701) of taper type, oval figure(702) of outside diameter of center hole, fixed groove(703), fixed projections(301)(401) of space supporting part, and center hole(201) of elliptical type in roll.
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