Gib

Details Gib Gib

1974-07-15

1976-04-27

Wood, Jr., M. Henson

Cutlery

308DIG8, F16C 1700

Patent

active

039530868

ABSTRACT:
A tapered gib for use in machine tools is composed entirely of a plastic material such as an acetal resin containing uniformly dispersed, finely divided particles of polytetrafluoroethylene so as to provide reduced friction. The surface of the gib in contact with the associated table and positioned between the saddle and the table is formed with raised portions forming the contact surfaces. Various forms of raised surfaces may be used including nibs, ridges and the like. The gib, by virtue of the material of which it is made, fits better, may be operated without lubrication and offers the advantage that it wears relatively slowly and in preference to the metal components with which it is in sliding contact. When worn, the gib may be easily replaced and the new gib easily adjusted since it can be stressed to fit the way in the table with a minimum of deforming creep and short of taking a permanent set by virtue of the compressive forces encountered.

REFERENCES:
patent: 2809418 (1957-10-01), Gallimore et al.
patent: 3711166 (1973-01-01), Wayson

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