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Auto industry grapples with multiple forces shaking up business
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DETROIT—It's an exciting time to be in the automotive industry, but that also means there's plenty of uncertainty to go around.With trade relations going under the knife, emerging vehicle...
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DETROIT—It's an exciting time to be in the automotive industry, but that also means there's plenty of uncertainty to go around. DETROIT—It's an exciting time to be in the automotive industry, but that also means there's plenty of uncertainty to go around. $DETROIT—It's an exciting time to be in the automotive industry, but that also means there's plenty of uncertainty to go around.
Bridgestone to expand Tennessee truck tire plant
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MORRISON, Tenn.—Bridgestone Americas Inc. is planning to break ground later this year on an expansion that will increase capacity at its Warren County, Tenn., truck/bus tire plant by about 8 ...
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MORRISON, Tenn.—Bridgestone Americas is planning to break ground later this year on an expansion that will increase capacity at its Warren County, Tenn., truck/bus tire plant by about 8 percent. MORRISON, Tenn.—Bridgestone Americas is planning to break ground later this year on an expansion that will increase capacity at its Warren County, Tenn., truck/bus tire plant by about 8 percent. $MORRISON, Tenn.—Bridgestone Americas is planning to break ground later this year on an expansion that will increase capacity at its Warren County, Tenn., truck/bus tire plant by about 8 percent.
Coker Tire CEO Wade Kawasaki, investor group take ownership of company
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CHATTANOOGA, Tenn.—A group of Coker Group executives, led by President and CEO Wade Kawasaki, has partnered with Irving Place Capital to acquire the supplier of collector car and motorcycle...
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CHATTANOOGA, Tenn.—A group of Coker Group executives, led by President and CEO Wade Kawasaki, has partnered with Irving Place Capital to acquire the supplier of collector car and motorcycle tires and wheels. CHATTANOOGA, Tenn.—A group of Coker Group executives, led by President and CEO Wade Kawasaki, has partnered with Irving Place Capital to acquire the supplier of collector car and motorcycle tires and wheels. $CHATTANOOGA, Tenn.—A group of Coker Group executives, led by President and CEO Wade Kawasaki, has partnered with Irving Place Capital to acquire the supplier of collector car and motorcycle tires and wheels.
New technology may separate ethylene from ethane more efficiently
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SAN ANTONIO—Researchers are finding unusual ways to cut the production cost for ethylene. Cracking naphtha from crude oil is an important ethylene production route. However, this reaction...
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SAN ANTONIO—Researchers are finding unusual ways to cut the production cost for ethylene. SAN ANTONIO—Researchers are finding unusual ways to cut the production cost for ethylene. $SAN ANTONIO—Researchers are finding unusual ways to cut the production cost for ethylene.
Photos: Semperit expands Czech hose plant
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VIENNA—The Semperit Group invested $30.4 million in an expansion at the Semperflex Optimit s.r.o. location in Odry, Czech Republic. The expansion increases production capacity to 109...
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VIENNA—The Semperit Group invested $30.4 million in an expansion at the Semperflex Optimit location in Odry, Czech Republic. VIENNA—The Semperit Group invested $30.4 million in an expansion at the Semperflex Optimit location in Odry, Czech Republic. $VIENNA—The Semperit Group invested $30.4 million in an expansion at the Semperflex Optimit location in Odry, Czech Republic.
Toyoda Gosei expands in China with acquisition of Hubei Rock
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KIYOSU, Japan—Toyoda Gosei Co. Ltd. is purchasing a majority stake in Hubei Rock Rubber and Seal Technology Co. Ltd. to strengthen its automotive parts business in China. The deal is...
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KIYOSU, Japan—Toyoda Gosei is purchasing a majority stake in Hubei Rock Rubber and Seal Technology to strengthen its automotive parts business in China. KIYOSU, Japan—Toyoda Gosei is purchasing a majority stake in Hubei Rock Rubber and Seal Technology to strengthen its automotive parts business in China. $KIYOSU, Japan—Toyoda Gosei is purchasing a majority stake in Hubei Rock Rubber and Seal Technology to strengthen its automotive parts business in China.
Continental completes NVH footprint with Cooper Standard deal
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NOVI, Mich.—Certain opportunities are just too perfect to pass up. Continental A.G.'s Vibration Control business, which produces anti-vibration parts like engine mounts for the automotive...
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NOVI, Mich.—Continental's Vibration Controls business has agreed to acquire Cooper Standard's Anti-Vibration Systems business for $265.5 million, subject to closing conditions and antitrust approval in the relevant countries. NOVI, Mich.—Continental's Vibration Controls business has agreed to acquire Cooper Standard's Anti-Vibration Systems business for $265.5 million, subject to closing conditions and antitrust approval in the relevant countries. $NOVI, Mich.—Continental's Vibration Controls business has agreed to acquire Cooper Standard's Anti-Vibration Systems business for $265.5 million, subject to closing conditions and antitrust approval in the relevant countries.
DuPont to build $80 million plant in China
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ZHANGJIAGANG, China—DuPont Transportation & Advanced Polymers is investing more than $80 million to build a new manufacturing facility in Zhangjiagang that will produce "compounded high-...
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ZHANGJIAGANG, China—DuPont Transportation & Advanced Polymers is investing more than $80 million to build a new manufacturing facility in Zhangjiagang that will produce "compounded high-end engineering plastics and adhesives." ZHANGJIAGANG, China—DuPont Transportation & Advanced Polymers is investing more than $80 million to build a new manufacturing facility in Zhangjiagang that will produce "compounded high-end engineering plastics and adhesives." $ZHANGJIAGANG, China—DuPont Transportation & Advanced Polymers is investing more than $80 million to build a new manufacturing facility in Zhangjiagang that will produce "compounded high-end engineering plastics and adhesives."
Japan's auto makers wonder how to go more 'local' under USMCA
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TOKYO—North America's auto makers face a new reality of sourcing vehicle content under the free-trade deal agreed to by the U.S., Canada and Mexico. But for Japan's auto companies, the...
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TOKYO—North America's auto makers face a new reality of sourcing vehicle content under the free-trade deal agreed to by the U.S., Canada and Mexico. But for Japan's auto companies, the moment is particularly worrisome. TOKYO—North America's auto makers face a new reality of sourcing vehicle content under the free-trade deal agreed to by the U.S., Canada and Mexico. But for Japan's auto companies, the moment is particularly worrisome. $TOKYO—North America's auto makers face a new reality of sourcing vehicle content under the free-trade deal agreed to by the U.S., Canada and Mexico. But for Japan's auto companies, the moment is particularly worrisome.
BKT plans $100 million investment for U.S. tire plant
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MAHARASHTRA, India—Off-highway tire manufacturer Balkrishna Industries Ltd. (BKT) is budgeting $100 million for the plant it is planning to build in the U.S., the company disclosed in a Nov. ...
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MAHARASHTRA, India—Off-highway tire manufacturer Balkrishna Industries is budgeting $100 million for the plant it is planning to build in the U.S. MAHARASHTRA, India—Off-highway tire manufacturer Balkrishna Industries is budgeting $100 million for the plant it is planning to build in the U.S. $MAHARASHTRA, India—Off-highway tire manufacturer Balkrishna Industries is budgeting $100 million for the plant it is planning to build in the U.S.
Digital Edition
Digital Edition
Published on January 1, 2006

Effect of Thermal Loading and Heater Failure on Thermal Performance

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Date Published January 1, 2006
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This Report has been authored by:Eugene Ryzer at Acrolab Ltd.

The objective of this research was to compare the thermal response of standard platen and Isoplaten when they are subjected to different thermal loads and heater failures. These types of electrically heated platens are typically used in the rubber molding industry to maintain a uniform temperature distribution within the molds. The part quality in the molding process is significantly improved when the platen is operated at a uniform temperature. Previous studies have found that Isoplatens can significantly improve mold performance by eliminating hot spots and reduce cycle times. In this study, the thermal response of Isoplaten and standard heated Platen is compared in terms of their temperature distributions and thermal transient response times under different thermal loading conditions. The platen tested included heaters only. The Isoplaten tested contained same heaters and Isobars. The platens tested in this study were 457 mm x 457mm and 63 mm thick, with six 12mm diameter by 457 mm long 1000 W cartridge heaters embedded evenly along the bottom half of the platen. The platens were operated at 150°C, and the thermal loads were applied using a pre-determined amount of water to simulate the loading in a typical rubber molding application. Tests were performed with different thermal load contact areas at several locations on the platen surface. The transient temperature response of the platen and Isoplaten under the thermal load was characterized using a FLIR SC 3000 high-speed thermal imaging system. This system measured the temperature distribution of the whole platen surface to an accuracy of 0.1°C at a frame rate up to 900 frames per second. The transient and steady-state thermal performance of the platens was also characterized with different heaters turned off to characterize the performance of the platen under different failure modes. To obtain direct visualization of the temperature distribution of the heated surface at the point of loading, a hollow cylindrical cup was used to apply the water. In this concept, a hollow cylinder was placed directly on the platen and the platen surface acted as the bottom of the load ‘container’ through an o-ring seal. The infrared camera measured the surface temperature distribution within the load area once the water evaporated. This method of testing provided temperature data over the entire load area. 
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