The Hard Truth Of hydraulic Cylinder Rod

 

The Hard Truth Of hydraulic Cylinder Rod

Anyone who has worked with hydraulic cylinders is familiar with the general structure and function of this linear actuator, and most understand the importance of protecting the rod from damage which often requires hydraulic cylinder repair. Scoring, pitting, or nicks in the chrome surface will ruin seals and result in fluid leaking from the cylinder gland – a problem that will only worsen with each stroke of the cylinder. What many don’t realize, is that not all cylinder rods are created equal, and the difference lies just below the polished surface.

The polished surface is chrome plating. Chrome plating not only offers durable long-term protection against corrosion, but also provides a smooth finish that can be ground and polished to a precise diameter. This is critical to optimizing seal performance and providing enough clearance to allow lubrication between the rod and seal, but not outright leakage.

The chrome plating used for hydraulic cylinder rods is called “Hard Chrome”. It is dull silver / grey in color, and as the name suggests, has a hard surface. This is quite different from “Cosmetic Chrome” which is the bright and shiny finish found on cars and motorcycles. Cosmetic chrome is softer and more easily scratched and damaged.
Although Hard Chrome is more resistant to damage than Cosmetic Chrome, it cannot withstand impact on its own. If the base material is relatively soft, it will suffer damage with mild to moderate impact, and so will the chrome plating. However, if the base material is hardened steel, it will tolerate moderate impact and provide enough support to prevent damage to the chrome plating.

hydraulic cylinder rod


The two most common types of chrome shafting used to make hydraulic cylinder rods are CPO and IHCP. CPO stands for Chrome Plated Only, and IHCP stands for Induction Hardened & Chrome Plated.

Comments

Post a Comment

Popular posts from this blog

Application of 4140 chrome bar

Image
4140 is a 1% Chromium - Molybdenum high tensile steel supplied in the hardened and tempered, cold drawn or turned, precision ground, polished, chrome plated and final polished condition, with a typical base metal tensile strength of 850 - 1000 Mpa, plus a typical hard chrome plated surface hardness of HV 1000 - 1150.Characterised by an extremely smooth surface finish with excellent wear and corrosion resistance, coupled with a base material giving high strength and good impact properties, plus good machinability. 4140 hard chrome plated bar is used extensively by the hydraulic and pneumatic industries, and is employed by other industry sectors for a wide range of applications requiring higher strength. Typical applications are: Agricultural Equipment, Hydraulic Cylinders , Hoists, Jacks and other Lifting equipment, Machine Tools, Mining and Earth Moving Equipment, Pumps, Valves, Waste Disposal Transport and Equipment etc. Anbao Hydraulic is a professional manufacturer in
Read more

The Production Process Of Chrome Plated OD Tubing

  Chrome plated od tubing is also known as chrome plated hollow bar ,chrome plated tubing a very important part for producing hydraulic piston rods and roller shafts in various machines. The biggest advantage of chrome plated od tubing than normal chrome plated rod is that the unit weight is light, people can greatly reduce the weight of the hydraulic piston rod, when design the hydraulic cylinders . The Production Process Of Chrome Plated OD Tubing Step 1. Get the steel tubes heat treated as per customers’ request. Step 2. Cutting the raw material hollow rod into lengths Step 3. Straightening the hollow rods Step 4. Peeling on the steel hollow rods Step 5. Straightenning Step 6. Grinding the steel hollow rods Step 7. Straightening the ground hollow bars. Step 8. The second grinding process Step 9. Polishing on outer diameter surface Step 10. Chrome plating Step 11. Final polishing Step 12. Final inspection Anbao Hydrualic is a professional  chrome plated ID tubing and hollow bar m
Read more