Coiled Tubing Titanium Alloy, Hydraulic Applications, Aerospace
Coiled Tubing Titanium Alloy, Hydraulic Applications, Aerospace

Author: A-6C5 Components Committee

Publisher:

Published: 2011

Total Pages: 0

ISBN-13:

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This SAE Aerospace Recommended Practice (ARP) addresses the design, installation, and testing of coiled tube assemblies using Ti-3Al-2.5V cold worked, stress relieved (CWSR) tubing per AMS4945. It specifically details five different configurations of coiled tubing.The configurations detailed herein should be compatible with pressure levels up to 8000 psi (55.2 MPa) upon completion of analysis for the actual stress and life requirement of the intended application.Formal qualification tests are recommended to verify satisfactory installation, clamping, and the life of each unique design.NOTE: For information on design of coiled tube assemblies using CRES steel tubing, see ARP584. ARP4146A has been updated to Revision B for the following reasons: aTechnical changes have been made including the removal of text that referred to documents that are difficult to obtain and to computer programs that are unavailable bThe references called up in the document have been updated cEditorial changes have been made to improve the readability of the document.

COILED TUBING - TITANIUM ALLOY, HYDRAULIC APPLICATIONS
COILED TUBING - TITANIUM ALLOY, HYDRAULIC APPLICATIONS

Author: A-6C5 Components Committee

Publisher:

Published: 1994

Total Pages: 0

ISBN-13:

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This Aerospace Recommended Practice (ARP) specifically discusses five configurations of flexible tubing. The design data given will aid in design of coiled tube assemblies using Ti-3Al-2.5V cold worked, stress relieved (CWSR) tubing per specification AMS4944. It should be noted that a particular system operating pressure level is not specified. The configurations discussed should be compatible with pressure levels up to 8000 psi upon completion of analysis for the actual stress and life requirement of the intended application. Formal qualification tests are recommended to verify satisfactory installation, clamping, and life of each unique design.

Coiled Tubing - Corrosion Resistant Steel, Hydraulic Applications, Aerospace
Coiled Tubing - Corrosion Resistant Steel, Hydraulic Applications, Aerospace

Author: A-6C5 Components Committee

Publisher:

Published: 2012

Total Pages: 0

ISBN-13:

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This SAE Aerospace Recommended Practice (ARP) addresses the design, installation, and testing of coiled tube assemblies ranging from 1/4 inch (6.3 mm) to 1.0 inch (25 mm) diameter using CRES tubing per AMS-T-6845, unless otherwise approved by the Procuring Activity.This ARP specifically details three different configurations of coiled tubing. These configurations should be compatible with pressure levels up to 3000 psi (20.7 MPa) upon the completion of the analysis for the actual stress and life requirement of the intended application. However, formal qualification tests are recommended to verify the satisfactory installation, clamping, and the life of each unique design.NOTE: Refer to ARP4146 for information on design of coiled tube assemblies using Titanium tubing. ARP584B has been updated to Revision C for the following reasons: aTechnical changes have been made including the removal of text that referred to documents that are difficult to obtain and to computer programs that are unavailable bThe references called up in the document have been updated cEditorial changes have been made to improve the readability of the document.

Development of Small Diameter Hydraulic Coiled Tubing Technology
Development of Small Diameter Hydraulic Coiled Tubing Technology

Author: K. E. Whitfill

Publisher:

Published: 1981

Total Pages: 134

ISBN-13:

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The objective of this program was to develop design equations for coiled tubing as a helical extension or compression spring which has the capability of acting as a flexible fluid connector in aircraft hydraulic systems. The purpose of the coiled tube is to replace hose, swivels, or extension units on moving hydraulic actuator barrels which have linear or limited angle rotary motion. The use of 3A1-2.5V titanium cold worked stress relieved tubing is recommended for coiled tubing applications. Also recommendations are made for wall thickness for three titanium tube alloys for operating pressures of 1500, 3000, and 8000 psig. Design nomographs are provided to allow use in establishing coil tube design parameters such as number of coils and force at maximum deflection. Four coiled tube assemblies in tow configurations were subjected to a 100,000 cycle endurance test at 100% deflection of the coils. There were no failures. A vibration survey was made to determine natural frequencies and transmissibility with a random input vibration spectrum.