Browse Topic: Washers
This specification covers metric aircraft quality spacers for use as positioners for tubes, flat washers for use as load spreaders, galling protection of adjacent surfaces and or material compatibility, and key or tab washers for use as locks for bolts, nuts, and screws.
Metal cutting/machining is a widely used manufacturing process for producing high-precision parts at a low cost and with high throughput. In the automotive industry, engine components such as cylinder heads or engine blocks are all manufactured using such processes. Despite its cost benefits, manufacturers often face the problem of machining chips and cutting oil residue remaining on the finished surface or falling into the internal cavities after machining operations, and these wastes can be very difficult to clean. While part cleaning/washing equipment suppliers often claim that their washers have superior performance, determining the washing efficiency is challenging without means to visualize the water flow. In this paper, a virtual engineering methodology using particle-based CFD is developed to address the issue of metal chip cleanliness resulting from engine component machining operations. This methodology comprises two simulation methods. The first is the virtual chip test
To establish design recommendations that will provide a basis for safe and reliable connections to threaded screw-type or stud-type electrical equipment terminations. These recommendations are directed primarily, but not solely, to the aerospace and ground support equipment industries. Since individual design criteria may alter the details as outlined, it is therefore important that this SAE Aerospace Information Report (AIR) not be considered mandatory but be used only as a design guidance.
This SAE Recommended Practice includes wheel mounting elements subject to standardization in a series of industrial and agricultural disc wheels. The disc may be reversible or nonreversible and concave or convex. (See Figure 1 and Table 1.)
This specification covers three series of environment resisting, circular, miniature electrical connectors (plugs and receptacles) with removable crimp and/or nonremovable solder contacts, and accessories. The connectors are only recommended for replacement and are not specified for aircraft applications (refer to AS50881).
This SAE Standard covers 32 types of clamps most commonly and suitably being used on OEM coolant, fuel, oil, vacuum, and emission systems.
This SAE Information Report is provided as an advisory guide. Individual application discretion is recommended. The content has been presented as accurately as possible, but responsibility for its application lies with the user. The document covers a number of the variables in the torque-tension relationship: friction, materials, temperature, humidity, fastener and mating part finishes, surfaces, and the kind of tightening tools or equipment used. Also described in this document is the torque management required to achieve satisfactory fastened joint tightening. This guide is limited in application to clearance fit threads, such as the common 6g/6H class of fit. Other thread types including interference fit, mechanical locking, prevailing torque, or forms other than ISO-metric may apply to some aspects of this standard but are not specifically covered. The procedures described in this document are based on general factors for the determination of the torque-tension relationship for the
This procedure is used to test and evaluate the resistance of fastener surface finishes to laboratory salt spray testing.
This SAE Recommended Practice applies to fasteners/fixing nuts as specified in SAE J694 and SAE J1835 used for disc wheels and demountable rim attachment respectively. Only the test methods necessary to ensure proper wheel or rim assembly are specified. Fasteners for less common and special applications are not included.
To establish design recommendations that will provide a basis for safe and reliable connections to threaded screw-type or stud-type electrical equipment terminations. These recommendations are directed primarily, but not solely, to the aerospace and ground support equipment industries. Since individual design criteria may alter the details as outlined, it is therefore important that this SAE Aerospace Information Report (AIR) not be considered mandatory, but be used only as a design guidance.
This SAE Standard provides a comprehensive list of guidelines for the selection, identification, and control of metric- and inch-sized fasteners for use in shipboard applications for both shipbuilder installed joints and for use in shipboard components. This guidance includes the following: a Fastener material selection. b Fastener thread form and fit selection. c Selection of fastener finish, when needed. d Selection of locking devices and elements, when needed. e Selection of screw thread fastener inserts, when needed. f Use of fastener part or identifying numbers. g Identification marking requirements.
This SAE Standard covers material, dimensional, performance, and test requirements for metric thread rolling screws suitable for use in general engineering applications.
This SAE Aerospace Standard (AS) covers devices whose primary function is the retention of fasteners, except for such devices that are integral with the item being retained.
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