METAL WORKING OIL CIRCULATION MECHANISM AND METAL WORKING OIL CIRCULATION METHOD

PROBLEM TO BE SOLVED: To provide a metal working oil circulation mechanism and a metal working oil circulation method which can reliably circulate sufficient metal working oil by reliably removing stainless steel fine powder from the working oil when manufacturing a stainless steel corrugated pipe b...

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Bibliographische Detailangaben
Hauptverfasser:	NIMURA KAZUYOSHI, OKAMOTO EISHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PUNCHING METAL SEPARATION SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a metal working oil circulation mechanism and a metal working oil circulation method which can reliably circulate sufficient metal working oil by reliably removing stainless steel fine powder from the working oil when manufacturing a stainless steel corrugated pipe by a corrugator, to stabilize product quality by stabilizing the manufacture, and to reduce costs by extending the lifetime of a corrugated ring.SOLUTION: The metal working oil circulation mechanism supplies metal working oil to a corrugated ring 14 when manufacturing a stainless steel corrugated pipe 16 by applying wave-shape corrugation working to a circumferential surface by pressing the corrugated ring 14 to a straight stainless steel pipe 12, and re-supplies the metal working oil recovered from a corrugator 10 after the working to the corrugated ring 14. A magnet filter 44 removing stainless steel metal powder from the metal working oil recovered from the corrugator 10 by magnetic force is provided.