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Case Studies

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The Dresser Traprock Challenge

On October 17, 2018   /   Case Studies, Crushers for Ore and Aggregate  
Columbia crusher wear parts at Dresser Trap Rock

Dresser Traprock isn’t easy to mine, but the market makes it worth the effort. — By Rodney E. Garrett Some quarries have hard rock that tests at 35,000 to 45,000 psi. Rock pushing 45,000 psi or more certainly is hard.

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Fix it fast with new dragline repairlink

On April 6, 2017   /   Case Studies, Mining Draglines and Shovels, Press and Media  
Our field-proven EZ RigLok repair links mean safer, faster fixes

Dragline repairlink is a safer and faster fix, thanks to patented pin locking design   PORTLAND, OREGON – APRIL 2017 – For some crews, it might be the holy grail of dragline chain maintenance: a tough, reliable repairlink that is

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New cone mantle at CONEXPO

On February 21, 2017   /   Case Studies, Crushers for Ore and Aggregate, Press and Media  
Columbia's patented high-output cone mantle design

Cone mantle field trials look promising for high-output design featured at CONEXPO. PORTLAND, OR – FEBRUARY 2017 – A new, patented cone mantle design offers improved crusher output based on initial field trials, reports Columbia Steel Casting Co., Inc. By

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The right jaw profiles mean profitability

On June 12, 2015   /   Case Studies, Crushers for Ore and Aggregate  

Secrets to a longer life A manufactured sand producer in Tennessee finds that using the right jaw-crusher wear parts saves time and money in the long run. — By Rodney E. Garrett Highland Sand Co. in Crab Orchard, Tenn., produces

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