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STUD - STRAIGHT, NECKED, .3750-16UNS X .3750-24UNF-3A

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS126881B
  • Current
Published 2019-11-21 by SAE International in United States

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STUD - STRAIGHT, DRILLED, .2500-20UNS X .2500-28UNF-3A

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS128363B
  • Current
Published 2019-11-12 by SAE International in United States

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RIVET - TUBULAR, COUNTERSUNK, AS7228

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS3228B
  • Current
Published 2019-11-05 by SAE International in United States
No Abstract Available.
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SAE J2450 Supplemental Training Document

Vehicle E E System Diagnostic Standards Committee
  • Ground Vehicle Standard
  • J2450/1_201910
  • Current
Published 2019-10-31 by SAE International in United States
This supplement, which is a living document, is meant to provide both clients and translation suppliers with some suggestions for integrating SAE J2450 into their business practices. It is intended for the use of clients, trainers who wish to develop new evaluators, and those who wish to self-train.
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Outboard Mounted Brake Drum/Disc Wheel Hub Interface Dimensions - Truck and Bus

Truck and Bus Wheel Committee
  • Ground Vehicle Standard
  • J1671_201910
  • Current
Published 2019-10-17 by SAE International in United States
This recommended practice contains dimensions and tolerances for outboard mounted brake drums and disc wheel hubs in the interface areas. This recommended practice is intended for outboard mounted brake drums and disc wheel hubs commonly used on class 7 and 8 commercial vehicles. Included are SAE J694 mounting systems II, III, IV, XIV, and X. Special and less common applications are not covered.
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Protective Coatings for Fasteners

Fasteners Committee
  • Ground Vehicle Standard
  • J1648_201910
  • Current
Published 2019-10-07 by SAE International in United States
This SAE Information Report is provided as an advisory guide. Careful discretion as to application is recommended. The content has been presented as accurately as possible, but responsibility for its application lies with the user. It covers finishes applied to fasteners and related topics, corrosion resistance, lubricity, electrical grounding, ultraviolet light, and embrittlement. Table 1 lists these coatings and their properties so that finish selection can be reasonably made in accordance with known and anticipated fastener assembly applications. Application of protective coatings will affect fastener dimensions. This is especially critical for the thread fit of mating parts because the pitch diameter increases by four times the coating thickness. Explanation is covered in Section 5.
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Setting Preload in Heavy-Duty Wheel Bearings

Truck and Bus Wheel Committee
  • Ground Vehicle Standard
  • J2535_201910
  • Current
Published 2019-10-07 by SAE International in United States
This SAE Recommended Practice applies to the four primary, large volume applications in the class 7-8 heavy-duty market place, as specified in SAE J1842: a “N” trailer axle b “R” powered rear axle c “FF / FG” nonpowered front axle d “P” trailer axle This document applies to on-highway applications. It is not applicable to those applications that exceed the GAWR ratings or the load line restrictions listed in columns “A,” “B,” and “C” of Table 1. Load lines are measured from the inboard bearing cup backface as shown in 3.4. This document establishes preload force values only. The methodology to obtain these force values must be determined by the fastener supplier and/or axle assembler. This document reviews the bearing system. It is NOT intended to prescribe (new or existing) axle and/or hub manufacturers’ ratings and/or specifications.
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CLAMP, STRAP, HIGH TEMPERATURE, RETAINING AMS5599

G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
  • Aerospace Standard
  • AS6495C
  • Current
Published 2019-09-19 by SAE International in United States
No Abstract Available.
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Optimization of Automated Airframe Assembly Process on Example of A350 S19 Splice Joint

Airbus-Elodie Bonhomme, Pedro Montero-Sanjuan
Peter the Great St. Petersburg Polytechnic University-Sergey Lupuleac, Julia Shinder, Maria Churilova, Nadezhda Zaitseva, Valeriia Khashba
Published 2019-09-16 by SAE International in United States
The paper presents the numerical approach to simulation and optimization of A350 S19 splice assembly process. The main goal is to reduce the number of installed temporary fasteners while preventing the gap between parts from opening during drilling stage. The numerical approach includes computation of residual gaps between parts, optimization of fastener pattern and validation of obtained solution on input data generated on the base of available measurements. The problem is solved with ASRP (Assembly Simulation of Riveting Process) software. The described methodology is applied to the optimization of the robotized assembly process for A350 S19 section.
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New Technologies for Airframe Structural Assemblies

LISI Aerospace-Mehdi Dahane
Published 2019-09-16 by SAE International in United States
With air traffic demand constantly increasing and several years of aircraft production in their backlog, major aircraft manufacturers are now shifting their focus toward improving assembly process efficiency. One of the most promising solutions, known as “One Side Assembly”, aims to perform the whole assembly sequence from one side of the structure (drilling, temporary fastener installation and removal, blind fastener installation, assembly control) and with a high level of integrated automation. Investments in robotic equipment, automation engineering and innovation are very active and automation capabilities have already increased a lot in the aerospace industry. As an example, drilling operations for large dimensions airframe are clearly moving from manual to automated. However, despite more and more clever and sophisticated robotics, the use of historical fasteners with two side installation method remains a strong limitation to innovative automated assembly sequences. A blind fastener which can provide the same mechanical characteristics than current structural fasteners, while providing automation friendly features and meeting cost objectives is a real “must have” for assembly process efficiency improvements. It is also full…
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