SLIDING PART OF SEWING MACHINE

PROBLEM TO BE SOLVED: To give high wear resistance and good lubrication to the sliding surfaces of sliding parts of a sawing machine, to avoid abrasion, sticking or the like of the sliding surfaces without feeding a lubricating oil to the sliding areas of the parts and to enable a high-speed sawing...

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Bibliographische Detailangaben
1. Verfasser:	O SEIHO
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELEMENTS OR CRANKSHAFT MECHANISMS EMBROIDERING ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MECHANICAL ENGINEERING METALLURGY ROTARY BODIES OTHER THAN GEARING ELEMENTS SEWING SHAFTS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TEXTILES THERMAL INSULATION IN GENERAL TUFTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To give high wear resistance and good lubrication to the sliding surfaces of sliding parts of a sawing machine, to avoid abrasion, sticking or the like of the sliding surfaces without feeding a lubricating oil to the sliding areas of the parts and to enable a high-speed sawing machine to which it is unnecessary to feed oil. SOLUTION: A composite film consisting of a CrN ceramic layer and, on top of it, a WC/C layer is formed on the surface of a feeding-needle driving link-pin 60, which is one part of sliding parts consisting of the needle driving link-pin 60 and a needle driving link 61, to give high wear resistance and lubrication to a sliding surface of a sliding part.