The Materials and Resources industry is the foundation of civilization. This is where raw earth, rock, and wood are crushed, ground, pressed, and processed 24/7/365. It’s an environment of brutal shock loads, extreme vibration, and—above all—relentless, grinding abrasion.
This is a world that destroys lesser equipment. Carehyd engineers the “indestructible” hydraulic systems that power through it. We provide the “brute force” torque and rugged engineering that allows a rock crusher to eat, a cement kiln to turn, and a pulp press to squeeze, non-stop, for years.
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Carehyd is your one-stop shop for hydraulic equipment procurement.
The Unrelenting War Against Wear
In mining, cement, steel, and pulp, the environment isn’t just “tough”—it’s actively trying to destroy your machines. Carehyd systems are built to win this war.
Extreme Abrasive Contamination: Fine, sharp-edged dust (like silica or cement) is airborne and all-pervasive. It’s the #1 killer of bearings and moving parts.
Massive Shock Loads: The impact of a 5-ton boulder hitting a primary crusher, or a log hitting a chipper, sends catastrophic shockwaves through the entire system.
Brute-Force Torque Demands: A mill full of ore or a jammed kiln requires “unstallable” torque to get moving—a force that can snap the shaft of an electric motor.
24/7/365 Continuous Process: A primary mill or cement kiln runs for months without stopping. There is no downtime, only “catastrophic failure.” Reliability is the only metric.
Carehyd: The Force Behind Primary Industry
1. Mining & Aggregates (Crushers, Mills & Drills) We provide the raw power to break rock. Carehyd High-Torque, Low-Speed (HTLS) motors are used for apron feeders and mill drives. Our robust hydraulic systems provide the “tramp relief” for crushers—the ability to safely open and clear uncrushable material, then return to position in seconds.
2. Cement, Coal & Steel This is the world of high-torque, low-speed rotation. Our hydraulic drive systems are the prime movers for massive rotary kilns, vertical roller mills, and sinter plant drives, providing smooth, controllable power and the “breakaway torque” needed to start a 1000-ton load from a standstill.
3. Pulp & Paper (Woodyard & Wet End) We provide power for the two most extreme ends of the plant. In the woodyard, our shock-proof systems power log chippers and debarkers. In the “wet end,” our corrosion-resistant stainless steel actuators are used in the pulp presses, withstanding a hot, high-moisture, and chemically-harsh environment.
4. Heavy-Duty Drilling (Surface & Exploration) Carehyd systems provide the perfect combination of rotary torque and feed pressure (pull-down) for large-scale production drills and exploration rigs, all in a compact, rugged, and field-serviceable package.
FAQs on hydraulic equipment in Materials and Resources
Why use a hydraulic motor for a rock crusher or mill, not a giant electric motor and gearbox?
Torque and Shock. An electric motor can't handle the "stall" condition when a mill is full of rock. A Carehyd HTLS hydraulic motor is "stall-proof"—it can provide 100% torque at 0 RPM, indefinitely, to get the load moving. It also absorbs shock, whereas a shock load can shatter the teeth in a gearbox.
How do your systems really survive the fine dust in our cement or aggregate plant?
We build a "fortress." First, we use rod boots (bellows) and metal rod scrapers on the cylinders to physically block dust. Second, the entire reservoir is sealed and pressurized with its own "clean" air system (desiccant breathers). This prevents the system from "breathing in" the abrasive dust.
What is a "Tramp Relief" system on a cone crusher?
"Tramp" is uncrushable material, like a steel drill bit. If it gets in the crusher, it would destroy it. A Carehyd tramp relief system is a set of hydraulic cylinders that hold the crusher's grinding bowl down. When the tramp metal hits, the hydraulic pressure is instantly released to an accumulator, the bowl lifts, the metal passes, and the system automatically reseats the bowl.
Our pulp mill is extremely wet and corrosive. How do your cylinders not rust and fail?
By using the right materials. For the "wet end" (like a pulp press), we don't use standard steel. We build our "Wet-End" Cylinders from 316L Stainless Steel and use seals (like Viton®) that are chemically resistant to the "white liquor" or other chemicals used in the process.
My equipment vibrates so much it shakes fittings loose. How do you stop leaks?
By eliminating the fittings. In high-vibration areas (like a screening plant), we don't use traditional pipe thread. We use two things: 1) O-ring face seal (ORFS) fittings, which are designed for vibration, and 2) Integrated Manifold Blocks—a solid block of steel that contains all the valves and flow paths, eliminating dozens of potential leak points.