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2014-10-06
Standard
AS5869D
Scope is unavailable.
2014-10-06
Standard
AS5970C
Scope is unavailable.
2014-10-06
Standard
AS3485A
No scope is available.
2014-10-01
WIP Standard
AIR4069C
This SAE Aerospace Information Report (AIR) presents preferred practices for sealing of aircraft integral fuel tanks, including rework of applied fuel tank seals. It addresses engineering designs for integral fuel tanks as they are currently found in practice; and this document discusses the most practical and conservative methods for producing a reliable, sealed system.
2014-09-30
WIP Standard
AS81936/3
This SAE Aerospace Standard will cover airframe plain spherical bearings ustilizing a Copper Nickel Tin ball and a Corrosion Resistant Steel outer race for use between -65F and+350F.
2014-09-30
WIP Standard
AS81936/4
This SAE Aerospace Standard will cover airframe plain spherical bearings ustilizing a Copper Nickel Tin ball and a Corrosion Resistant Steel outer race for use between -65F and+350F.
2014-09-30
Standard
AS6235
This SAE Aerospace Standard (AS) specifies standardized gland design criteria and dimensions for static face seals for internal pressure and external pressure applications for aerospace hydraulic and pneumatic applications using the same size range as AS4716 and AS5857 where applicable. Some small diameter sizes are excluded because they are not practical. The glands have been specifically designed for applications using AS568 size elastomeric O-rings with related Class 2 tolerances at nominal system operating pressures up to 3000 psi (20 680 kPa) utilizing no anti-extrusion (backup) rings. While the gland dimensions herein have been designed for pressures up to 3000 psi (20 680 kPa) these glands may be used for higher pressures, but extra precautions need to be taken and testing should be performed to ensure to ensure integrity of performance. This specification covers the basic design criteria and recommendations for use with standard size elastomeric O-rings, however, these glands are also suitable for use with other elastomeric and polytetrafluoroethylene (PTFE) based seal geometries.
2014-09-30
Technical Paper
2014-01-2351
Meng-Huang Lu, Figen Lacin, Daniel McAninch, Frank Yang
Abstract Diesel exhaust aftertreatment solutions using injection, such as urea-based SCR and lean NOx trap systems, effectively reduce the emission NOx level in various light vehicles, commercial vehicles, and industrial applications. The performance of the injector plays an important role in successfully utilizing this type of technology, and the CFD tool provides not only a time and cost-saving, but also a reliable solution for extensively design iterations for optimizing the injector internal nozzle flow design. Inspired by this fact, a virtual test methodology on injector dosing rate utilizing CFD was proposed for the design process of injector internal nozzle flows. For a low-pressure (less than 6 bar) injector application, the characteristic Reynolds number based on the diameter and mass flow rate of the inlet, return flow outlet, and nozzle exit of the injector might range from 2000 to 20000, therefore, employing a flow-physics based viscous model for building up a virtual test methodology is critical to properly capture the fluid dynamics of injector internal nozzle flow.
2014-09-30
WIP Standard
AS17108B
The intent is to ballot this drawing package and then stabilize it.
2014-09-30
WIP Standard
AS17107B
The intent is to ballot this drawing package and then stabilize it.
2014-09-30
Technical Paper
2014-01-2330
Matt Zwick
Abstract The base design of commercial vehicle wheel end systems has changed very little over the past 50 years. Current bearings for R-drive and trailer wheel end systems were designed between the 1920's and the 1960's and designs have essentially remained the same. Over the same period of time, considerable gains have been made in bearing design, manufacturing capabilities and materials science. These gains allow for the opportunity to significantly increase bearing load capacity and improve efficiency. Government emissions regulations and the need for fuel efficiency improvements in truck fleets are driving the opportunity for redesigned wheel end systems. The EPA and NHTSA standard requires up to 23% reduction in emissions and fuel consumption by 2017 relative to the 2010 baseline for heavy-duty tractor combinations. This paper summarizes the history of current wheel end bearing designs and the opportunity for change to lighter-weight, cooler-running and more fuel-efficient wheel bearing designs to help meet the new industry standards.
2014-09-29
Standard
J1336_201409
Applies to hydraulic cylinders which are components of Off-Road Self-Propelled Work Machines defined in SAE J1116.
2014-09-29
Standard
J1374_201409
Applies to hydraulic seals used to seal the rods of hydraulic cylinders which are components of Off-Road Self-Propelled Work Machines defined in SAE J1116.
2014-09-29
Standard
AS22227B
This standard establishes the requirements for antifriction ball bearings primarily intended for use in aircraft electrical generators and motor-generators.
2014-09-28
Technical Paper
2014-01-2492
Sukumar T, Murugan Subramanian
Abstract This paper presents a systematic procedure for design and evaluation of snap fit for Quadruple System Protection Valve (QSPV) piston assembly. The QSPV piston is assembled with housing by means of snap joint. Snap joints are a very simple, economical and rapid way of joining two different components. All types of snap joints have in common the principle that a protruding part of one component, e.g., a hook, stud or bead is deflected briefly during the joining operation and catches in a depression (undercut) in the mating component. After the joining operation, the snap-fit features should return to a stress-free condition. The joint may be separable or inseparable depending on the shape of the undercut; the force required to separate the components varies greatly according to the design. It is particularly important to bear the following factors in mind when designing snap joints: Mechanical load during the assembly operation and force required for assembly.
2014-09-25
WIP Standard
AS6039E
This specification covers sealed, self-aligning, anti-friction, rod end ball bearings with application in temperature ranges (1) -65°F to 250°F and (2) -65°F to 300°F with 20% reduction of dynamic load carrying capacity when subjected to operation above 250° F.
2014-09-25
WIP Standard
ARP5483/3B
This test method outlines the standard procedure for measuring the radial and axial internal clearance of rolling element bearings used in airframe controls.
2014-09-25
Standard
AMS4257
This specification covers an aluminum alloy in the form of extruded bars, rods, and profiles.
2014-09-24
WIP Standard
AMS4822G
This specification has been declared "CANCELLED " by the Aerospace Materials Division, SAE, as of January 2009. By this action, this document will remain listed in the Numerical Section of the Index of Aerospace Material Specifications indicating that it has been "CANCELLED ".
2014-09-24
WIP Standard
AMS4824E
This specification has been declared "CANCELLED " by the Aerospace Materials Division, SAE, as of January 2009. By this action, this document will remain listed in the Numerical Section of the Index of Aerospace Material Specifications indicating that it has been "CANCELLED ".
2014-09-23
Standard
AS3484C
Scope is unavailable.
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