MANUFACTURE OF STEEL PIPE FOR DIESEL ENGINE FUEL INJECTION PIPE

PROBLEM TO BE SOLVED: To obtain a manufacturing technique for steel pipe excellent in internal properties for diesel engine fuel injection pipe at high efficiency and low cost. SOLUTION: One side 0.10-0.50mm grinding polishing is carried out by shot blasting on internal surface seamless steel pipe s...

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Hauptverfasser:	KAMEMURA YOSHIKI, OYAMA MOTOAKI
Format:	Patent
Sprache:	eng
Schlagworte:	ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL BLASTING COMBUSTION ENGINES DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIGHTING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MEASURING MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PHYSICS POLISHING PUNCHING METAL ROLLING OF METAL SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TESTING TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a manufacturing technique for steel pipe excellent in internal properties for diesel engine fuel injection pipe at high efficiency and low cost. SOLUTION: One side 0.10-0.50mm grinding polishing is carried out by shot blasting on internal surface seamless steel pipe stock subjected to Mannesman mill piercing or mandrel will rolling and flaws are removed and further cold drawing is applied and the steel pipe for the diesel engine fuel injection pipe without any internal flaw having depth >=0.10mm is manufactured. Thereby, the steel pipe having an excellent property equal with conventional mechanical cutting method is manufactured in high efficiency and low cost.