Pit & Quarry, April 2013
Samuel Calvin McLanahan with his son Ward in the background ergy needed to smelt iron ore Michael says All the hardwood trees in this area were stripped Samuel Calvin later recognized another industry need one for a simple primary crusher that could handle wet sticky feeds that contained pieces too large for the Log Washer The single roll crusher which came to market in 1894 was McLanahans answer Originally used in limestone crushing the single roll crusher was an ideal alternative at the time to jaw crushers which would pack with clay The Log Washer and the single roll crusher were the two machines that were PIT QUARRY HALL OF FAME INDUCTEES instrumental in changing the face of our company from a foundry to a machinery manufacturer says Michael whose grandfather Ward told glowing stories of Samuel Calvin Samuel Calvin whom Michael says was capable of drawing up a complete machine over a mere weekend continued to update and improve the companys equipment designs during his tenure Some of the other things he modernized or modified were screens conveyors crushers and dryers We have a great deal of pride in honoring our ancestors Michael says Samuel Calvin McLanahans early 20th century genius was the one behind the log washer thats fundamental to aggregates processing today Motors Automation Energy Transmission Distribution Coatings WEG Motors Soft Starters Tough enough for the most demanding applications TPH2 Starter W22 Crusher Duty Motor Crusher Duty from WEG means extra high torque and inverterrated motor designs through 500 HP with oversized roller bearings and large diameter 4140 steel shafts Plus WEGs Crusher Duty soft starters through 800 HP include the TPH Series that surpasses the highest starting torque requirements rated 500 for 60 seconds To learn more or for a U S distributor near you call 1 800 ASK 4WEG Transforming energy into solutions www weg net us @ 2012 WEG Electric Corp www pitandquarry com April 2013 PIT QUARRY 39
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