Bronze Medal
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 US Bronze Star medal Ribbon bar with V Valor device $3.99 Time Remaining: 29d 19h 6m Buy It Now for only: $3.99 |
 CROWN PRINCE EMPEROR MARRIAGE OKIMONO EMPIRE RELIC JAPAN MINT COIN BRONZE MEDAL $55.00 (22 Bids) Time Remaining: 21h 7m |
 JAPAN EMPIRE 1901 MEIJI JIMMU GOD EMPEROR 2562th BRONZE HONOR MEDAL COIN $13.49 (6 Bids) Time Remaining: 21h 3m |
 EXCELLENT JAPAN MINT EMPIRE ANTIQUE YOROI SAMURAI WARRIOR BRONZE MEDAL COIN $152.50 (11 Bids) Time Remaining: 21h 37m |
 USS Enterprise CVN 65 2 1 2 Launching Commemorative Medal Bronze $34.99 Time Remaining: 29d 22h 5m Buy It Now for only: $34.99 |
 Vintage MACARTHUR Bronze MEDALLION in Snap Case NEEDS EXPLAINING SeeMy5PICS $7.99 Time Remaining: 2d 22h 3m |
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 1917 French UNKNOWN SOLDIER MEMORIAL Bronze Medal Henri Allouard NR $74.99 Time Remaining: 1d 19h 8m |
 WWI Bronze Art Nouveau Medal Capitaine Georges Guynemer 1917 Legastilois France $195.00 Time Remaining: 6d 21h 3m |
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 WWI World War One Battle of Verdun 1916 Bronze Medal US USA United States $7.00 (7 Bids) Time Remaining: 8h 27m |
 WWI French General Marechal J Joffre Bronze Table Medal by F Rasumny $9.99 (1 Bid) Time Remaining: 2d 21h 5m |
 WWII US Bronze Star medal Ribbon bar in new condition $14.95 Time Remaining: 29d 19h 5m Buy It Now for only: $14.95 |
 WW2 BRONZE STAR MEDAL WITH BOX PIN BAR AP $31.00 (12 Bids) Time Remaining: 1d 13h 31m |
 FANTASTIC Vintage WWI Commemorative BRONZE Medal RIBBON PIN Signed 1914 1918 $9.99 (1 Bid) Time Remaining: 18h 31m |
 MAKE A OFFER WW2 NAMED BRONZE STAR WILLIAM P MARTIN VICTORY MEDAL CIB US PIN $124.99 Time Remaining: 29d 23h 7m Buy It Now for only: $124.99 |
 India General Service medal 1895 in bronze 3rd Sikh Infantry $50.58 (12 Bids) Time Remaining: 2d 14h 49m |
 Original WWI 1916 1918 Austria Hungary Kaiser Karl Bronze Bravery Medal German $25.99 Time Remaining: 1d 22h 12m Buy It Now for only: $29.99 |
 XTRA LEASE SUPPORTING OUR MILITARY FORCES BRONZE MEDAL LK $6.95 Time Remaining: 6d 2h 55m Buy It Now for only: $6.95 |
 WW2 Group of Old Medals Insignia In Sterling Bronze Brass $10.50 (2 Bids) Time Remaining: 22h 10m |
 1976 Jordan Military Sport Commission Bronze Medal JMSC $9.99 (1 Bid) Time Remaining: 1d 8h 58m |
 Sweden 1909 Military Sports Medal 3rd Place Bronze $15.00 Time Remaining: 27d 8h 26m Buy It Now for only: $15.00 |
 Named Vintage US Military Medal Bronze Star Set WWII $29.99 (1 Bid) Time Remaining: 5d 12m |
 WWI NY NATIONAL GUARD TIFFANY CO BRONZE MEDAL FAITHFUL SERVICE d $19.99 Time Remaining: 1d 22h 25m |
 Bronze Star medal set in case with rb lp V Valor Device $35.55 Time Remaining: 29d 19h 26m Buy It Now for only: $35.55 |
 US BRONZE STAR MEDAL RIBBON BARS w ORIGINAL BOX $19.95 (1 Bid) Time Remaining: 1d 21h 41m |
 Seringapatam Medal 1801 BRONZE 48mm Rare Very Nice Condition $156.49 (1 Bid) Time Remaining: 4d 11h 3m |
 Miniature Coronation Police Medal 1902 Metropolitan Police version bronze $31.60 (1 Bid) Time Remaining: 2d 14h 24m |
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 BRONZE ADMIRAL TOGO MEDAL COIN JAPANESE RUSSO JAPAN WAR NAVY BATTLESHIP MIKASA $19.00 (4 Bids) Time Remaining: 2d 21h 49m |
 2 WW1 BRONZE MEMORIAL PLAQUES TO BROTHERS THOMAS EDWARD MACKIN NO MEDALS $158.07 Time Remaining: 5d 14h 17m |
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 World War 2 WW2 Named Bronze Star Medal With Original Case $81.01 (10 Bids) Time Remaining: 2d 23h 1m |
 WWI World War One France French bronze Croix de Guerre medal 1914 1918 + star $13.44 (13 Bids) Time Remaining: 5d 15h 7m |
 B82 Republic of Austria Bronze Medal $10.00 Time Remaining: 28d 11h 14m Buy It Now for only: $10.00 |
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 Navajo Code Talkers Bronze WWII US Mint Medal w Case $22.95 (1 Bid) Time Remaining: 23h 48m |
 Original GI Issue WWII BRONZE STAR MEDAL NOS $24.95 Time Remaining: 29d 23h 48m Buy It Now for only: $24.95 |
 1918 Italy Military bronze Medal war WWI $15.50 (2 Bids) Time Remaining: 4d 15h 5m |
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 US Bronze Star medal complete cased set with ribbon bar and lapel pin case box $25.00 (4 Bids) Time Remaining: 2d 22h 8m |
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 lc402 East German Defence Industry Long Service Medal in Bronze in box GDR DDR $1.56 Time Remaining: 1d 16h 43m |
 World War 2 WWII Bronze Star medal in box 1944 $29.99 Time Remaining: 1d 20h 38m |
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 GERMAN WW1 Period Friedrich August Medal in Bronze $1.56 Time Remaining: 5d 14h 24m |
 CARPATHIA MEDAL BRONZE PLATED COPY TITANIC MEDAL $12.65 (1 Bid) Time Remaining: 11h 59m |
 Finland Bronze Blue Cross $45.00 Time Remaining: 13d 10h 12m Buy It Now for only: $45.00 |
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 Medal And Ribbon Attachment Device Bronze V $2.49 Time Remaining: 24d 15h 3m Buy It Now for only: $2.49 |
 Ottoman Medal Silver+Bronze 2 Piece Avusturya Mulakati Hungary Austria $12,000.00 Time Remaining: 6d 4h 29m |
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 CZ211 Czech Logistics Medal from OKD in bronze $12.00 Time Remaining: 28d 11h 53m Buy It Now for only: $12.00 |
 WWII United States Bronze Star Medal Ribbon w V pin $0.99 (1 Bid) Time Remaining: 5d 21h 42m |
 WWII Bronze Star Military medal in box dated 1945 $29.99 Time Remaining: 1d 21h 44m |
 Air Crew Europe Star Medal BRONZE Die Struck Old Replacement Copy RARE $34.78 Time Remaining: 4d 16h 14m Buy It Now for only: $34.78 |
 WWII Bronze Star medal in case box w ribbon l pin WW2 $99.99 Time Remaining: 1d 21h 44m |
 Authentic US Spanish American War Veterans 1898 1902 Medal Bronze w Ribbon T11 $41.00 (5 Bids) Time Remaining: 6d 1m |
 BRONZE PALM MEDAL SIZE $3.75 Time Remaining: 1d 13h 46m Buy It Now for only: $3.75 |
 1958 Iraq Police Distinguished Service Bronze Medal $19.99 Time Remaining: 1d 9h 1m |
 WW I US ARMY WORLD WAR ONE AEF VICTORY MEDAL BRONZE GREAT WAR FOR CIVILIZATION $19.99 (1 Bid) Time Remaining: 1d 12h 58m |
 1950S BRONZE STAR MEDAL RIBBON CRIMPED BACK $1.50 Time Remaining: 12d 12h 33m Buy It Now for only: $1.50 |
 7666 Wow Bronze Medal ADA Zilker Robinson 1962 Shooting Matches Badge $14.99 Time Remaining: 19h 45m |
 WWII WW2 World War Two British Armed Forces Bronze 1939 1945 Star Medal VGC $5.85 (8 Bids) Time Remaining: 5d 16h 49m |
 Medal And Ribbon Attachment Device Small Bronze Service Star 3 16 Inch $1.49 Time Remaining: 24d 17h 21m Buy It Now for only: $1.49 |
 USN Navy NUC PUC Pistol Marksmanship medal ribbon lot w bronze star attachment $4.99 Time Remaining: 1d 13h 58m |
 Albania Medal Master of Sport Bronze RARE $19.99 (1 Bid) Time Remaining: 2d 18h 2m |
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 American Car Foundry WW1 Medal Gorham Bronze 1917 1918 $89.99 Time Remaining: 6d 10h 53m |
 1970 Saddam Hussein Era Iraq Military Cooporations Bronze Olympic Medal $14.99 Time Remaining: 1d 8h 58m |
 US Bronze Star medal complete cased set with ribbon bar and lapel pin n case box $29.95 Time Remaining: 23d 18h 19m Buy It Now for only: $29.95 |
 Lot of 10 WW1 WW2 Victory Medals ETO Ribbon Bar Bronze Star Ruptured Duck $9.99 Time Remaining: 6d 13h 41m |
 Women Airforce Service Pilots Bronze US Mint Medal Case $22.95 Time Remaining: 22h 48m |
 1897 German Kaiser Wilhelm I Bronze Centenary Medal $1.56 (1 Bid) Time Remaining: 5d 12h 26m |
 MEDAL RIBBON DEVICE 3 16 BRONZE STAR ON 3 $4.75 Time Remaining: 4d 11h 46m Buy It Now for only: $4.75 |
 POLISH WWII WARSAW REVOLT BRONZE MEMORIAL MEDAL $22.49 Time Remaining: 1d 21h 27m Buy It Now for only: $24.99 |
 Estonia Estonia Liberation War Bronze Medal 1918 1920 $45.00 Time Remaining: 1d 16h 47m Buy It Now for only: $50.00 |
 US BRONZE STAR MEDAL 4 piece set $18.99 Time Remaining: 24d 11h 42m Buy It Now for only: $18.99 |
 7680 Medal Wow Bronze Medal ADA Zilker Robinson 1962 Shooting Matches Badge $14.99 Time Remaining: 1d 9h 39m |
 7592 Rare California State Rifle Pistol Championship Bronze Medal Badge $9.99 Time Remaining: 2d 14h 44m |
 WWII framed Army acheivement Medals Patches Sterling Eagles Bars Bronze Star $198.00 Time Remaining: 2d 22h 48m Buy It Now for only: $198.00 |
 oregon national guard the adjutant general oregon unit insignia bronze medal $4.00 Time Remaining: 6d 12h 19m |
 7681 Medal National Rifle Association Building Fund Washington Bronze Medal NRA $9.99 Time Remaining: 1d 10h 53m |
 VINTAGE AIR NATIONAL GUARD ENGRAVABLE BRONZE MEDAL LK $7.95 Time Remaining: 3d 11h 54m Buy It Now for only: $7.95 |
 1918 Italy Military war bronze MEDAL WWI INTERALLEATA ALLIED $15.50 (2 Bids) Time Remaining: 4d 15h 2m |
 Signum Laudis Authentic Austro Hungarian Bronze Military Merit Medal $39.99 Time Remaining: 1d 18h 6m |
 WWII LARGE SIZE BRONZE OAKLEAF CLUSTER USED ON MEDAL RIBBON BAR $5.00 Time Remaining: 2d 14h 49m Buy It Now for only: $5.00 |
 A vintage 1956 bronze boxing medal possible military $1.56 (1 Bid) Time Remaining: 15h 21m |
 Ottoman Medal Bronze Sultan Mehmed II 1823 Stamped CAQUE F Rare RRR $3,000.00 Time Remaining: 6d 5h 41m |
 Finland Bronze Order of The White Rose 2nd Class With Box $45.00 Time Remaining: 26d 9h 33m Buy It Now for only: $45.00 |
 MEDALS WW2 VIETNAM OCCUPATIONMINI BRONZE STARCOMMENDATIONGOOD CONDUCT EXCEL $50.00 Time Remaining: 1d 9h 8m Buy It Now for only: $59.00 |
 Ottoman Medal Bronze Hagia Sofia Ayasofya Tamiri Bronz Madalya AH 1266 $2,500.00 Time Remaining: 6d 4h 37m |
 Finland Bronze Order of The White Rose 2nd Class $45.00 Time Remaining: 13d 10h 27m Buy It Now for only: $45.00 |
 Italy bronze medal 1936 for the War in Abyssinia 33mm $12.65 (1 Bid) Time Remaining: 5d 4h 7m |
 Ottoman Medal Bronze Ittifak i Dveli Selase Krm 1854 Uclu Ittifak $400.00 Time Remaining: 6d 6h 18m |
Bronze Medal
From Fine Metal Stamping to Olympic Medal Winning
With the Vancouver 2010 Winter Olympics metal stamping well underway, newsrooms around the globe follow a rising medals count. The elite athletes participating in the games and their eager nations watching from afar hope for the fulfillment of the ultimate Olympic dream, standing atop the podium as a gold, silver or bronze medal is draped around their neck.
For many of the more than 5,500 Olympians representing more than 80 nations, receiving a medal will remain a dream, an ambition for future feats of athleticism perhaps. For a select 615 individuals, however, that dream will become a realization. 615 is the exact number of medallions created at The Royal Canadian Mint for the XXI Olympic Winter Games. Each of these was produced through unique metal stamping processes creating one of a kind medals for each athlete's one of a kind moment.
Photo courtesy of Micro Forms, Inc.
The International Olympic Committee imposes strict regulations on the creation of Olympic medals. The size, weight, composition and inscription of each gold, silver or bronze piece must meet the highest of standards. The 30-step process resulting in medals of such caliber begins with sheet metal stamping, the same process used to mint coins. Using pre-formed sheets, which may be inspected in advance, ensures that each piece adheres to predetermined parameters.
Sheets of pure silver are used to create both the silver and gold medals, the latter of which is later plated with at least 6grams of gold. The Bronze medals are stamped from sheets of alloyed copper. The 6mm thick metal of either composition is fed through a machine which stamps out blanks, or medallions lacking inscription. The blanks for each medal must be 100mm in diameter. Precision metal stamping is then used to impress the lettering and imagery onto each medal.
Photo courtesy of American Industrial Company.
The specific design and inscription of an Olympic medal varies each year. Several committees must agree upon a design and production scheme for the medals before shortrun stamping begins. Shortrun stamping allows for the creation of a limited number of medals in a narrow period of time. For most Olympics, this is the final step in creating the finished and inscribed medals. The Vancouver design committee, however, has added a hand stamping process. Each piece is struck by hand a total of nine times to create an undulating wave in the medallion. This is meant to symbolize the ocean waves, snow drifts and mountains of the host country. In striking the metals by hand, designers and artists create personalized the medals.
Gold medal from the Vancouver 2010 Winter Olympics.
The final product of the metal stamping process is a unique memento and sign of achievement for the receiving athlete. While the recipient of an Olympic medal might know little of the manufacturing technique behind its creation, each is no doubt keenly aware of the importance of that process. The Olympic medal is more than just a slab of stamped metal. It embodies the aspirations of all competitive athletes. It is a specially designed, carefully crafted and beautifully orchestrated work of art.
Magnesium is the lightest structural material offering very good damping characteristics, weldability and excellent shielding against electro-magnetic interferance, and is unlimited in supply. It has been an excellent material for making portable electronic and telecommunication devices, and automotive and aerospace equipment such as MD player casings, chassis for cell phones, video cameras and notebook computers, automotive gear housings, car wheels and engine blocks.
The most common methods to produce magnesium parts are die casting and thixomolding processes. However, these runner and gating processes provide a low material yield of only 30% for thin-wall casting and can only produce thin walls of between 0.7mm to 1.2mm.
If we can form magnesium parts from sheet metal just like metal stamping of steel and aluminum parts, we can achieve better material yield of about 80% and possibly safer operation due to the lower processing temperature. However, magnesium is known to be non-formable as it is very resistant to deformation due to its hexagonal close-packed structure. The only way is warm forming of magnesium as deformation of magnesium above 225 degrees Celsius will cause additional slip planes to become operative.
Extensive process research in this area have resulted in a few warm forming hydraulic presses available in the market for draw forming. Recently, research in warm draw forming of magnesium to make cell phone chassis has successfully shown that 0.4mm thin walls can be achieved consistently. Metallographic tests of the chassis have also demonstrated that there is zero porosity and increased rigidity.
While the current warm forming press systems are complicated to operate as they require the preliminary building of stroke and force profiles for the specific products using data acquisition modules and forming simulation softwares, the increased replacement of aluminum and plastics with magnesium for handheld electronic devices may well accelerate this process. Progressive early adopters of this technology would have a first mover advantage in the competitive global manufacturing industry.
Author Ken Yap is a director of Suwa Precision Engineering Pte Ltd in Singapore and represents metal stamping, precision machining, miniature precision balls and PCB manufacturers from Suwa, also called "The Oriental Switzerland" in Japan due to its Swiss resemblance for rich watch-making industry, its mountainous terrain and its precision component making industry. He is also a director of Attisse Pte Ltd, a business consultancy and research consultancy firm for Japanese investors, and SV Tech Pte Ltd which is engaged in sourcing of PCB, IC chips and semiconductor related products from China.
About the Author
xlnb.cn is a Manufacturer and suppliers of shower drain, sheet metal stamping, metal stamping, Equipment parts by OEM/ODM service with diversified schemes.
Do you think Alicia Sacramone was ripped off of the bronze medal in the women's vault event final?
I have nothing against the Cheng Fei or the Chinese. It's just that Cheng Fei did a major major mistake (landing almost on her knees) and was I think not severely penalized for it. Her vault difficulty is higher than Sacramone's though. But still. The only error on Sacramone's part are 2 small hops in the landing. SHE SHOULD HAVE BEEN AWARDED THE BRONZE!!!!
I do feel bad for Alicia. But the scoring was fair. As you'll see below, Cheng was deducted quite on her 2nd vault (she lost nearly a point and a half). But her difficulty was enough to keep her ahead of Alicia.
Cheng Fei's two vaults:
First Vault:
Difficulty - 6.50
Execution - 9.575
Total - 16.075
Second Vault:
Difficulty - 6.50
Execution - 8.550
Total - 15.050
Average of Cheng Fei's two vaults: 15.562
Alicia's two vaults:
First Vault:
Difficulty - 6.30
Execution - 9.450
Total - 15.750
Second Vault
Difficulty - 5.80
Execution - 9.525
Total - 15.325
Average of Alicia's two vaults: 15.537
The Bronze Medal - Rabbit Hole