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Hydraulic Cylinder Rebuild Iowa Hydraulic hose fittings serve the purpose of connecting hydraulic hoses, tubes, and pipes to various components within the hydraulic system, such as pumps, valves, cylinders, and more. However, the selection of the correct fitting is crucial, as even a small fitting error can lead to reduced hydraulic system efficiency and potentially create safety hazards. If you find yourself overwhelmed by the multitude of options related to fitting shapes, materials, threading, and sealing, our guide can help you save time and make the right fitting choice for your specific job.
Understanding Hydraulic Cylinder Rebuild Iowa Hydraulic Hose Assembly For many individuals, the first encounter with the decision of which type of hydraulic hose fitting to use arises during the hose assembly process. Crimping stands as the most commonly employed method for assembling hydraulic hoses. Before initiating any hose assembly, it’s wise to consider five critical questions related to S.T.A.M.P. (size, temperature, application, materials/media, and pressure). Once these specifications are defined, the hose assembly technician can proceed with the work. The exact process may vary based on the crimping machine model, but generally, the technician marks the insertion depth on the hose, applies lubricant to the fitting stem, inserts it into the hose end, and places it within the crimper die. Finally, the technician permanently secures the fitting onto the hose by activating the crimper’s power unit to apply pressure. If you have any questions or require assistance, the hose assembly technician will be able to guide you in selecting the most suitable fitting.
Materials Used for Hydraulic Cylinder Rebuild Iowa Hose Fittings Hoses and fittings are available in various types and materials, and the material used for a hydraulic hose fitting defines its characteristics. Plastic, steel, stainless steel, and brass are among the most common materials used for fittings.
Plastic fittings are generally more resistant to corrosion but are weaker and less durable, making them less popular for hydraulic applications despite their affordability. Metal fittings, on the other hand, are better suited due to their high-pressure ratings.
Steel fittings are typically a blend of iron and other metals to enhance durability and heat resistance. For example, carbon steel fittings, composed of iron and carbon, can withstand temperatures ranging from -65°F to 500°F.
Hydraulic Cylinder Rebuild Iowa Stainless steel fittings are ideal for highly corrosive environments and offer a temperature range of -425°F to 1200°F. They are often rated up to 10,000 psi, with some specially designed stainless steel fittings reaching up to 20,000 psi. However, their higher cost makes them less economically viable, leading to consideration of alternative options.
Brass fittings, while less robust compared to stainless steel, provide leak-free operation and meet various standards like SAE, ISO, DIN, DOT, and JIS. They operate within a temperature range of -65°F to 400°F and can handle pressures up to 3000 psi, although lower pressure ranges are typically recommended.
Less commonly used materials for hose end fittings include aluminum, which is significantly lighter than steel and corrosion-resistant, making it a common choice in the automotive industry.
Step 1: Gather Necessary Tools and Materials
- Hydraulic hose
- Hydraulic hose fitting
- Hose lubricant
- Paint pen
- Safety goggles
- Crimping machine
- Crimping die and collar
- Fully cleaned nozzle, projectiles, and fully clean seal toppers
Step 2: Wear Safety Gear Before proceeding, ensure you are wearing the necessary safety gear. As per company protocols, safety glasses are mandatory while cutting and crimping.
Step 3: Measure and Cut the Hose Measure the required hose length and cut it to size using a hose saw. For critical hose lengths, account for the cutoff factor when determining the final length. After cutting, ensure a clean edge on the hose. If needed, use a file to refine the ends. Different saws have varying cutting specifications, so be sure to consider these. Remember to clean the hose ends thoroughly to reduce contamination and the risk of hose assembly failure.
Before installing end connections, use very clean projectiles to clean the hose. Fire one projectile through the hose from one end to the other, and then fire a second projectile from the opposite end. This ensures cleaning in the areas where the hose nozzle will be inserted at both ends during the cleaning process.
Step 4: Select the Hydraulic Cylinder Rebuild Iowa Fitting Series When choosing a fitting series, take into account factors like working pressure, style, type, orientation, attachment methods, and material for corrosion resistance. Ensure you do not interchange hose and fitting brands, as this is crucial.
Step 5: Mark the Insertion Depth and Attach Hose Fittings Determine the insertion depth of the fitting by either using a hose insertion depth block or marking the hose from the hose end. Create a noticeable chalk line around the hose to indicate the insertion depth. If necessary, lubricate the hose with P-80, but refrain from lubricating if working with a spiral hose. Push the hose into the fitting until the mark on the hose aligns with the end of the shell.
Step 6: Verify Crimper Capabilities and Adjust Settings Confirm the capabilities of the crimping machine and make adjustments to its settings or change the die as required. Ensure you select the correct crimp diameter for each hose assembly. For specific technical specifications during crimping of a Parker hose assembly, refer to Parker Crimpsource.
Step 7: Choose the Die Select the appropriate crimper die set designed for specific hoses and fittings. Verify the die set using the information on the crimper decal or consult Parker’s Crimpsource for precise technical specifications. When necessary, lubricate the die bowl with high-quality lithium-based grease.
Step 8: Position the Hydraulic Cylinder Rebuild Iowa Hose in the Crimping Machine Insert the end of the hose into the crimping machine, typically in a bottom-loading configuration, and guide it through the die so that the hydraulic hose fitting extends above the die. The top part of the hose, now concealed within the fitting, should not protrude above the die. For most crimpers, set the bottom of the fitting on the step of the die.
Step 9: Place the Die Ring Position the die ring on the adapter bowl’s step. Refer to the decal on the crimper for tool selection guidance.