REXRTOH CDH1/CGH1/CSH1 series milling machine type hydraulic cylinder

4. Adaptability to working medium and environment

Hydraulic oil: suitable for HL, HLP mineral oil, HFA, HFC water-based lotion, and HFDR, HFDU synthetic ester.

Temperature range: medium temperature -20 ° C to+80 ° C (depending on the sealing material), ambient temperature -25 ° C to+80 ° C.

Cleanliness: The system oil is required to have a cleanliness level of at least ISO 4406 20/18/15 to ensure the sealing and valve life.

Anti corrosion coating: Provides five levels of corrosion protection from CP3 to CP7, with coating thicknesses ranging from 40 µ m to 320 µ m. It has been certified through salt spray and condensate water tests of different durations, meeting the protection needs from indoor dry environments to coastal high salt spray environments.

Selection, ordering, and configuration

Bosch Rexroth adopts a modular ordering code system, where users need to select a series, installation method, piston diameter, piston rod diameter, stroke, component series, oil port connection form, oil port position, and other parameters in order. In addition, there are abundant additional option fields covering:

Sensor configuration (proximity switch, position measurement system)

Buffer type (none, self-adjusting, adjustable)

End form of piston rod (threaded, assembled joint bearing or fork)

Sealing kit type

Surface treatment and coating grade

Test certificate requirements

This highly flexible system ensures that each hydraulic cylinder can accurately match the specific application needs of users. The company also provides interactive product selection software (ICS), which can quickly generate 3D models, technical drawings, and ordering codes.

Typical application areas

Metallurgical equipment: continuous casting machine, rolling mill pressing device, plate straightening machine, requiring high pressure and high rigidity.

Mining machinery: hydraulic supports, tunneling machine propulsion cylinders, requiring high reliability and environmental adaptability.

Ships and marine engineering: servos, hatch opening and closing, wave compensation systems require corrosion-resistant design and reliable sealing.

Pressure molding: The main cylinder of injection molding machines and presses relies on high-precision position control and smooth buffering.

Energy field: turbine guide vane control, wind power variable pitch system, emphasizing long life and low maintenance.

Automated production line: Material handling and mold replacement require integrated position feedback and bus communication.

Installation, Maintenance, and Safety Guidelines

Installation alignment: It is necessary to ensure that the cylinder body is aligned with the axis of the load movement to avoid lateral forces, otherwise it will cause abnormal wear of the seal and guide components.

Buffer adjustment: For adjustable buffers, fine adjustments should be made during the debugging phase based on actual load and speed to achieve the best buffering effect.

Maintenance: Regularly check the surface of the piston rod for scratches and corrosion, and promptly clean the dirt accumulated on the dust ring. When replacing the seal, the original sealing kit must be used and assembled strictly according to the specified tightening torque.

Safety warning: The hydraulic system has high pressure, and any maintenance work must be carried out by trained personnel after the system is depressurized. Do not adjust the settings of proximity switches or position sensors arbitrarily.