Pit & Quarry, December 2018
ROTARY BLASTHOLE DRILL OFFERS FLEXIBILITY PORTABILITY CATERPILLARS MD6200 rotary blasthole drill is designed as a production drill with the flexibility to do pre split drilling According to Cat the MD6200 is set up in a package that makes it the companys most transportable rotary drill yet The MD6200 is designed to perform rotary or down the hole drilling in single pass or multi pass modes and can drill holes of 5 to 787 in in diameter The MD6200 also offers the ability to drill at a negative angle up to 15 degrees which enables matching the slope of the highwall for pre split drilling The result is cleaner highwalls with less waste material going downstream Cat says www cat com MULTI FREQUENCY TECHNOLOGY APPLIED TO NEW PLANTS ASTEC MOBILE SCREENS multi frequency technology combines a conventional two bearing vibrator traditionally used on an incline screen with a high frequency vibrator on a bottom deck According to the company the combination of the two systems creates a screen that operates with a higher G force The increased screening energy in turn enables the multi frequency screen to process material with higher moisture content The multi frequency technology was first launched for the companys GT205 plant Since then Astec designed and manufactured the same technology on its portable PTSC205 plant and GT145 track screen The company will now offer multi frequency technology for all of its 5 ft wide two deck screens www kpijci com 54 PIT QUARRY December 2018 pitandquarry com CAT LEFT KPI JCI ASTEC MOBILE SCREENS CUTTING EDGE
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