In 1979, Charles Rassieur, owner and President of Central Mine Equipment Company, set out to replace the cathead and rope method for performing standard penetration tests. His primary goal was to develop something safer. Beyond that, Charles was looking for consistent, repeatable energy in a device that was reliable and simple to operate. The result was the CME 140-lb Automatic SPT Hammer System for which he was awarded a patent in 1981.
The CME 140-lb automatic SPT hammer provides extremely consistent and accurate Standard Penetration Test results, meeting all ASTM-D-1586 requirements. There are no ropes or cables to impede the free-fall of the weight, and a viewing slot allows you to verify the 30 inch fall height. And for safety, all moving parts are enclosed, including the impact area between weight and anvil.
The hammer easily swings on a hydraulic cylinder from its stored position to on-hole position. The same cylinder is also used to raise and lower the hammer. And since raising and lowering is done hydraulically, set-up is quick and almost effortless.
In addition to the standard 140 pound system, CME hammers are available with 340-lb, 300-lb, 170-lb and 110-lb weights. A low clearance model is also available on CME-55LC rigs for use in limited overhead situations.
Call 1-800-325-8827 for more information!
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