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.
Removing backing material during gyratory crusher maintenance A Columbia Steel customer asks: We are using zinc backing and we want to remount a worn mantle. Can we heat up the mantle in an oven to melt the zinc backing
We’re back from CONEXPO 2017 It’s that time again — time to say how great it was to attend another CONEXPO show in Vegas, visit with our customers and colleagues, and meet new people. If you didn’t have a chance
Estimating optimal wear for cone crusher liners What is an optimal wear percentage by weight for a set of cone liners? — From Nilson O. Answered by Steve Dolezal, Columbia Steel Product Engineering Manager: “Depending on the machine
Do you CRUSH LIKE A MONSTER? If you’re attending CONEXPO 2017, ask for your free poster while supplies last at our booth. Our popular Monster of Crushing returns in this 18″ x 24″ full color poster, and he’ll look great