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Matec to purchase Semperflex hose factory in Italy
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VIENNA—Semperit A.G. Holding is selling the Semperflex hose production site in Rovigo, Italy, to the Matec Group. The sale is a step toward groupwide complexity reduction in its...
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VIENNA—Semperit Holding is selling the Semperflex hose production site in Rovigo, Italy, to the Matec Group. VIENNA—Semperit Holding is selling the Semperflex hose production site in Rovigo, Italy, to the Matec Group. $VIENNA—Semperit Holding is selling the Semperflex hose production site in Rovigo, Italy, to the Matec Group.
Tim Graham reflects on long rubber industry career
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LOUISVILLE, Ky.—Tim Graham has seen plenty of changes during his nearly four-decade career at Rep Corp., but nothing as much as the way supplier firms now are looked on to provide technical...
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LOUISVILLE, Ky.—Tim Graham has seen plenty of changes during his nearly four-decade career at Rep Corp., but nothing as much as the way supplier firms now are looked on to provide technical support and guidance. LOUISVILLE, Ky.—Tim Graham has seen plenty of changes during his nearly four-decade career at Rep Corp., but nothing as much as the way supplier firms now are looked on to provide technical support and guidance. $LOUISVILLE, Ky.—Tim Graham has seen plenty of changes during his nearly four-decade career at Rep Corp., but nothing as much as the way supplier firms now are looked on to provide technical support and guidance.
Semperit adds hose production in Europe
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VIENNA, Austria—Semperit A.G. has completed the latest expansion at its manufacturing plant in Odry, Czech Republic, which significantly will boost the firm's capability to produce...
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VIENNA, Austria—Semperit has completed the latest expansion at its manufacturing plant in Odry, Czech Republic, which significantly will boost the firm's capability to produce industrial and hydraulic hose at the factory. VIENNA, Austria—Semperit has completed the latest expansion at its manufacturing plant in Odry, Czech Republic, which significantly will boost the firm's capability to produce industrial and hydraulic hose at the factory. $VIENNA, Austria—Semperit has completed the latest expansion at its manufacturing plant in Odry, Czech Republic, which significantly will boost the firm's capability to produce industrial and hydraulic hose at the factory.
ITC unanimously finds material injury in China rubber band case
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WASHINGTON—By a 5-0 vote, the U.S. International Trade Commission has made a final determination of material injury to U.S. rubber band makers because of imports from China.The ITC's Dec....
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WASHINGTON—By a 5-0 vote, the U.S. International Trade Commission has made a final determination of material injury to U.S. rubber band makers because of imports from China. WASHINGTON—By a 5-0 vote, the U.S. International Trade Commission has made a final determination of material injury to U.S. rubber band makers because of imports from China. $WASHINGTON—By a 5-0 vote, the U.S. International Trade Commission has made a final determination of material injury to U.S. rubber band makers because of imports from China.
Year in Review: Non-tire firms restructure, expand operations
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Parker Hannifin wasn't the only one restructuring on the non-tire rubber products side. The firm combined its industrial and hydraulic hose businesses into one division, effective July...
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Two of the industry's biggest, non-tire rubber product makers restructured in 2018, while plenty of others embarked on expansions and new deals. We look back at some of the year's key moments. Two of the industry's biggest, non-tire rubber product makers restructured in 2018, while plenty of others embarked on expansions and new deals. We look back at some of the year's key moments. $Two of the industry's biggest, non-tire rubber product makers restructured in 2018, while plenty of others embarked on expansions and new deals. We look back at some of the year's key moments.
As California's autonomous vehicle population doubles, so do crashes
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In the beginning, self-driving vehicles could be spotted only on the streets near Silicon Valley tech companies whose work made them possible. Now they're much more widespread.Autonomous vehicle...
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In the beginning, self-driving vehicles could be spotted only on the streets near Silicon Valley tech companies whose work made them possible. Now they're much more widespread. In the beginning, self-driving vehicles could be spotted only on the streets near Silicon Valley tech companies whose work made them possible. Now they're much more widespread. $In the beginning, self-driving vehicles could be spotted only on the streets near Silicon Valley tech companies whose work made them possible. Now they're much more widespread.
Editorial: Priorities guide William Stockwell's path for family business
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William Stockwell is one who has always had his priorities in order. During his four decades at his family's firm, he often has opted to make the tough choices. It's for that type of leadership...
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William Stockwell is one who has always had his priorities in order. During his four decades at his family's firm, he often has opted to make the tough choices. William Stockwell is one who has always had his priorities in order. During his four decades at his family's firm, he often has opted to make the tough choices. $ William Stockwell is one who has always had his priorities in order. During his four decades at his family's firm, he often has opted to make the tough choices.
Cooper Tire, Sailun to form joint venture, build truck, bus tire plant
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FINDLAY, Ohio—Cooper Tire & Rubber Co. and Sailun Vietnam Co. Ltd. have agreed to set up a joint venture to oversee the construction of a radial truck/bus tire plant in Vietnam rated at ...
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FINDLAY, Ohio—Cooper Tire and Sailun Vietnam have agreed to set up a joint venture to oversee the construction of a radial truck and bus tire plant in Vietnam rated at more than 2 million units annually. FINDLAY, Ohio—Cooper Tire and Sailun Vietnam have agreed to set up a joint venture to oversee the construction of a radial truck and bus tire plant in Vietnam rated at more than 2 million units annually. $FINDLAY, Ohio—Cooper Tire and Sailun Vietnam have agreed to set up a joint venture to oversee the construction of a radial truck and bus tire plant in Vietnam rated at more than 2 million units annually.
Executive of the Year: Knowledge of business, industry sets William Stockwell apart
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PHILADELPHIA—When Jerry Krummel attended a trade show meeting with Stockwell Elastomerics Inc., he expected to discuss silicone supply in the upcoming year. What the sales director for...
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PHILADELPHIA—William Stockwell's sense and hands-on attitude are a few of the reasons why he was chosen as the Rubber & Plastics News 2018 Rubber Industry Executive of the Year. PHILADELPHIA—William Stockwell's sense and hands-on attitude are a few of the reasons why he was chosen as the Rubber & Plastics News 2018 Rubber Industry Executive of the Year. $PHILADELPHIA—William Stockwell's sense and hands-on attitude are a few of the reasons why he was chosen as the Rubber & Plastics News 2018 Rubber Industry Executive of the Year.
Nokian opens North American headquarters in Nashville
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NASHVILLE, Tenn.—Nokian Tyres P.L.C. has opened its North American headquarters office in Nashville, housing the company's sales, customer service, IT, logistics and marketing teams. As...
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NASHVILLE, Tenn.—Nokian has opened its North American headquarters office in Nashville, housing the company's sales, customer service, IT, logistics and marketing teams. NASHVILLE, Tenn.—Nokian has opened its North American headquarters office in Nashville, housing the company's sales, customer service, IT, logistics and marketing teams. $NASHVILLE, Tenn.—Nokian has opened its North American headquarters office in Nashville, housing the company's sales, customer service, IT, logistics and marketing teams.
Digital Edition
Digital Edition
Published on April 5, 2005

Design of Experiments Applied in Injection Molding

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Date Published April 5, 2005
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This Report has been authored by:R.J. Del Vecchio at Technical Consulting Services

Powerful interactions affect the performance of many rubber and plastics processes. Unfortunately, these critical effects cannot be revealed by the traditional scientific method, which dictates changing one factor at a time (OFAT). This case study provides inspiration to overcome the limitations of OFAT via a very simple design of experiment (DOE) called a two-level factorial.1 By employing a multifactor approach, the technical staff at a custom rubber molder uncovered a combination of material selection and manufacturing protocol that created unacceptable results. Armed with this process knowledge, they achieved a breakthrough in quality improvements. 
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