Method for adjusting blade clearance in a disc chipper and axial

Details Method for adjusting blade clearance in a disc chipper and axial Method for adjusting blade clearance in a disc chipper and axial

1996-12-18

1998-03-17

Bray, W. Donald

Woodworking

Process

1441621, 144176, 144370, 241 92, 2412591, 241296, 241298, 384428, 384441, B27C 100

Patent

active

057276110

ABSTRACT:
A method for adjusting the blade clearance in a disc chipper by moving in the axial direction a bearing bushing of a disc shaft together with the bearing. The axial movement of the shaft is effected by loosening adjusting screws or adjusting nuts of one of the end caps of the axial guide bearing housing and by tightening after this the adjusting screws or adjusting nuts of the other end cap. The cap then pushes the axial guide bushing and the attached shaft in the axial direction by way of a guide projection on the surface of the cap facing towards the bearing. An axial guide bearing system includes a shaft supporting a blade disc of a disc chipper, with the shaft and blade disc being movable relative to a counter blade in an axial direction. The system also includes a bearing housing frame and a bearing fixed to the shaft and movable with respect to the bearing housing frame. A pair of end caps is detachably secured to opposite ends of the bearing housing frame and a pair of guide projections extend between one of the end caps and the bearing. The outer surface of the bearing housing frame is shorter in the axial direction than the structure formed by the bearing and the guide projections.

REFERENCES:
patent: 4390132 (1983-06-01), Hutson et al.
patent: 4480667 (1984-11-01), Vaittinen et al.

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