FORMING METHOD FOR ALUMINUM OR ALUMINUM ALLOY SHEET
PROBLEM TO BE SOLVED: To provide a forming method for an aluminum or aluminum alloy sheet capable of preventing generation of star marks and indentation flaw due to peeling of solid lubricant and having formability same as a steel sheet. SOLUTION: After a solid lubricant is coated on an aluminum or...
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| creator | SUGITA TOMOYUKI |
| description | PROBLEM TO BE SOLVED: To provide a forming method for an aluminum or aluminum alloy sheet capable of preventing generation of star marks and indentation flaw due to peeling of solid lubricant and having formability same as a steel sheet. SOLUTION: After a solid lubricant is coated on an aluminum or aluminum alloy sheet 11, the sheet is placed on a projecting part 6 for a bead of a lower die 2. A small hole 14 is arranged on an upper face 10 of the lower die 2, while a lubricant continuously wells up from this small hole 14, an aluminum or aluminum alloy sheet 11 is pressured/formed with the upper die 1 and lower die 2. In this case, a content of mixing substances consisting of a water soluble resin, water soluble wax, metallic salt of fatty acid and their mixture to the solid lubricant is >=90wt.% in total. A coating quantity of the solid lubricant to the plate 11 is 0.2 to 5g/m , a viscosity of the lubricant is 10mm/sec . A welling quantity of the lubricant per min, as assuming a number of sheets to be worked is N, is 2N to 30N (g/m min) per an unit area of the formed part of a small hole 14. |
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SOLUTION: After a solid lubricant is coated on an aluminum or aluminum alloy sheet 11, the sheet is placed on a projecting part 6 for a bead of a lower die 2. A small hole 14 is arranged on an upper face 10 of the lower die 2, while a lubricant continuously wells up from this small hole 14, an aluminum or aluminum alloy sheet 11 is pressured/formed with the upper die 1 and lower die 2. In this case, a content of mixing substances consisting of a water soluble resin, water soluble wax, metallic salt of fatty acid and their mixture to the solid lubricant is >=90wt.% in total. A coating quantity of the solid lubricant to the plate 11 is 0.2 to 5g/m , a viscosity of the lubricant is 10mm/sec . A welling quantity of the lubricant per min, as assuming a number of sheets to be worked is N, is 2N to 30N (g/m min) per an unit area of the formed part of a small hole 14.</description><edition>6</edition><language>eng</language><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORMING OPERATIONS ; PUNCHING METAL ; TRANSPORTING ; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><creationdate>1997</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19970603&DB=EPODOC&CC=JP&NR=H09141342A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19970603&DB=EPODOC&CC=JP&NR=H09141342A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SUGITA TOMOYUKI</creatorcontrib><title>FORMING METHOD FOR ALUMINUM OR ALUMINUM ALLOY SHEET</title><description>PROBLEM TO BE SOLVED: To provide a forming method for an aluminum or aluminum alloy sheet capable of preventing generation of star marks and indentation flaw due to peeling of solid lubricant and having formability same as a steel sheet. SOLUTION: After a solid lubricant is coated on an aluminum or aluminum alloy sheet 11, the sheet is placed on a projecting part 6 for a bead of a lower die 2. A small hole 14 is arranged on an upper face 10 of the lower die 2, while a lubricant continuously wells up from this small hole 14, an aluminum or aluminum alloy sheet 11 is pressured/formed with the upper die 1 and lower die 2. In this case, a content of mixing substances consisting of a water soluble resin, water soluble wax, metallic salt of fatty acid and their mixture to the solid lubricant is >=90wt.% in total. A coating quantity of the solid lubricant to the plate 11 is 0.2 to 5g/m , a viscosity of the lubricant is 10mm/sec . 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SOLUTION: After a solid lubricant is coated on an aluminum or aluminum alloy sheet 11, the sheet is placed on a projecting part 6 for a bead of a lower die 2. A small hole 14 is arranged on an upper face 10 of the lower die 2, while a lubricant continuously wells up from this small hole 14, an aluminum or aluminum alloy sheet 11 is pressured/formed with the upper die 1 and lower die 2. In this case, a content of mixing substances consisting of a water soluble resin, water soluble wax, metallic salt of fatty acid and their mixture to the solid lubricant is >=90wt.% in total. A coating quantity of the solid lubricant to the plate 11 is 0.2 to 5g/m , a viscosity of the lubricant is 10mm/sec . A welling quantity of the lubricant per min, as assuming a number of sheets to be worked is N, is 2N to 30N (g/m min) per an unit area of the formed part of a small hole 14.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL |
| title | FORMING METHOD FOR ALUMINUM OR ALUMINUM ALLOY SHEET |
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