The Big Boys of Crushing
Trio’s TC-84 cone crusher features a 500-horsepower electric motor, an 84-inch head diameter, a push-button hydraulic console that controls clearing and adjustment, and a crushing capacity of up to 1,430 short tons per hour. Its self-contained, skid-mounted oil lubrication system is PLC integrated with automatic shutdown sensors for out-of-tolerance oil temperature, pressure, or flow. Electric in-tank heaters and an electric air-to-oil heat exchanger for cooling provide a climate-controlled lubrication system.
Metso says its C145 jaw crusher, one of the largest models in the company’s C Series, can reach capacities of more than 1,000 tons per hour, depending on the closed-side setting. Like all of the C Series jaw crushers, the C145 has a large eccentric throw coupled with a steep toggle-plate angle that magnifies the effective stroke at discharge. The company says the large stroke, combined with the right speed, flywheel inertia, and high crusher power, results in high crushing performance.
The Telsmith J3858 jaw crusher is capable of processing up to 950 short tons per hour. The crusher’s hydraulic chamber clearing allows stone to be passed through the crusher with the push of a button, increasing uptime and eliminating a potentially unsafe situation for employees. Hydraulic overload protection allows cylinders to release and free tramp metal, then return to the normal operating position, lowering operating costs by not damaging toggles.
The new Terex Cedarapids JS4552 jaw crusher features durable construction and an aggressive crushing motion. The company says it handles large feed sizes and is easy to operate and maintain. The jaw die retention system and hydraulic-assist shim system allow more uptime. The jaw die wedges are accessible from the sides of the crusher and are easily removed. The hydraulic-assist shim system allows jaw setting adjustments to be made easily without tools.
Kleemann’s Mobicat MC 160 track-mounted jaw crusher employs a 77-ton, single-toggle jaw crusher that weighs approximately 15 tons. Powered by a 422-horsepower electric motor, the plant has a crushing capacity of up to 1,000 tons per hour for hard stone and up to 1,500 tons per hour for limestone. Features include a feeder capacity of up to 55 x 43 inches, a 3,178-cubic-foot capacity hopper that can accommodate two 41-ton-capacity dump trucks, and an inclined apron feeder with a double wobbler feeder. Weight is distributed over two hydraulically operated crawler tracks.
Joy Global’s BF23D-22-475 feeder breaker reduces run of mine limestone up to 36 inches in size down to minus 9 inches at a rate of 1,000 tons per hour. The 550-horsepower unit is skid mounted, allowing it to be kept close to the face to minimize haul distance. The company says the 50-inch-diameter machine delivers consistent product size with minimal fines generation.
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