HITEMCO serves a variety of industries with effective solutions for a wide array of surface problems.
A manufacturer of precision metering equipment has a multiple lobed cam that is used in an abrasive slurry environment. The cam's sliding surface must maintain dimensional accuracy in order to ensure that precise metering of product occurs. The aggressive environment combined with sliding causes the critical surface to wear rapidly and reduces the life significantly.
The initial solution was to incorporate the use of higher hardness materials, but the wear rates were still unacceptable. An application of hitemco's hiROC SC-1010Acoating (applied by hitemco's ALPHA system) increased the wear resistance rates allowing the manufacturer to guarantee the service life of their product in aggressive environments.
valves, pistons, piston rings and skirts, rotors, tapers, cylinders for air conditioner units, automotive and aerospace engine components.
Small liquid rocket motors for various satellite applications are commonly fabricated of columbium alloys which have high melting points and good high temperature strength. Unfortunately their high temperature oxidation resistance would normally preclude their use in these applications.
Hitemco R512 Fused Silicide coating protects columbium alloys ( and other refractory metals such as tantalum, molybdium & tungsten) from oxidation at temperatures up to 3000 Degrees Fahrenheit and is in wide use for these small rocket engines.
Typical applications: small rocket engines, combustion chambers, nozzles; for communication satellites, military fighter jets, the space shuttle.
A chemical manufacturer was experiencing static buildup during a powder drying operation. This buildup not only created processing difficulties, but a static discharge could have resulted in a dangerous explosion.
Any of several Hitemco Southwest Fluorocarbon coatings; with resistivity ranges from less than 1 ohm to 10,000 ohm. It is possible to match conductivity to specific requirements; in this case a 10 ohm coating was sufficient.
Typical applications: electronics, paper & textile drying operations, explosive environments.
Structural fasteners that were galvanized or cadmium plated were failing due to corrosion when exposed to a salt water environment resulting in joint failure and increased replacement 8 maintenance expenses.
Hitemco Southwest T-10 coating systems provide a corrosion resistant barrier that extends the service life of the stud bolts and requires less maintenance.
Typical applications: Structural fasteners, offshore drilling components, small fasteners for the structural and automotive markets.
Bypass discs in steam turbines were prematurely failing due to particle erosion.
Hitemco SC707 coating system provides a hard, durable coating layer that can withstand the impact of the high velocity particles, thus eliminating shutdowns due to part failure and allowing part evaluation at routine maintenance intervals.
Typical applications: blades, vanes, bypass discs and other components for the power generation industry.
All base metals that fail due to their high temperature limit being lower than the service temperature that is required for maximum efficiency.
Hitemco SC 788 coating system is applied to the surfaces in contact with the heat. The coating acts as a shield dissipating the heat before it reaches the base metal.
Typical applications: jet engine parts, fuel injectors, burner cans, exhaust flaps
Printer rollers over time wear out due to the abrasiveness of the paper media that they move.
Hitemco SC 701 coating system is used to build the rollers' outer diameter back up to its original finish dimension.
Typical applications: shafts, rollers, castings
Cookie and cracker dough sticks to and builds up in the patterns on high speed dough processing equipment causing non uniform product and requiring extensive downtime for cleaning.
Hitemco Southwest T-595 coating provides excellent non stick or release of the dough resulting in perfectly shaped product every time and the easy clean up reduces downtime.
Uncoated Polybag sealing bars can become tacky as molten plastic adheres to the bar; this requires shutting down the machine and replacing the bars. Standard release coatings may solve the sticking problem but they are not durable enough to withstand the pressure and mechanical abrasion associated with the sealing operation.
The non-stick and abrasion resistant properties of hitemco's hiramic 313 reduced downtime and extended the useful life of the bars while allowing the production of high quality polybags.
Typical applications: Cookie, cracker and candy manufacturing, commercial cookware, polymer molding operations.
Diagnostic x-ray tube anodes (targets) in applications such as Cat Scanners can get excessively hot which causes a variety of problems.
Hitemco SC 725 coating system applied to the back side of the targets increases the rate at which heat is radiated from the target resulting in the target stabilizing at a more moderate temperature.
Typical applications: diagnostic equipment
A chemical company was experiencing rapid attack of a carbon steel vessel from hydrochloric acid.
The solution to the problem was to either fabricate the vessel from an exotic alloy or to find a coating that would resist the environment. A 40 mil application of hitemco's hiMAX 5000 provided the chemical resistance while saving the cost of fabrication from an expensive alloy.
Typical applications: Neutralizing and transfer vessels, reactors for the chemical processing industry.
During cauterization procedure the electrical tip at the cauterizing can come in contact with other instruments, i.e. forceps causing an electrical discharge that can damage tissue.
Hitemco Southwest T-55 on the tips of the forceps prevents electrical discharge and allows easy removal of tissue due to excellent non-stick.
Typical applications: medical instruments, bar code scanners
Jet engine parts (afterburner nozzles) were experiencing sliding wear in the area of the Liner leading to premature failure.
Hitemco SC701 coating system is used to create an ultra hard wear surface, greatly extending the service life.
Typical applications: after burner nozzles, fuel rod mandrels, pump housings
Compressors exhibit a loss of efficiency due to air leakage around compressor rotor stages.
Hitemco SC 1630 coating system is applied; allowing the rotor blades to cut their own path in the coating, thus producing an extremely tight seal.
Typical applications: jet engine compressors
