Male pipe threads, including male dryseal pipe threads, when made into assemblies or installed into ports, will generally leak if not covered with a sealant. This SAE Recommended Practice is intended as a guide to assist designers and/or users in the selection and application of various types of thread sealants. The designers and users must make a systematic review of each type and application and then select the sealant to fulfill the requirements of the application. The following are general guidelines and are not necessarily a complete list.

Air Brake Tubing and Tube Ftg Committee

Robotic Assembly of Photovoltaic Arrays

TBMG-3797811/01/2020

NASA researchers have developed a novel process for assembling thin-film solar cells into larger solar arrays. Current methods for solar array manufacturing depend on time-consuming, multi-step, manual assembly of solar cells into multi-cell arrays. This manual assembly will not be possible in a space environment.

Taking Benchtop Fluid Dispensing to a New Level of Process Control

TBMG-3807611/01/2020

Pneumatic benchtop fluid dispensers encompass a range of models that can accommodate specific fluid application processes with a wide scope of functionality. The latest benchtop dispensers provide a high degree of process control, capable of dispensing adhesives, solder pastes, and all other assembly fluids with high consistency. Handling fluid dispensing of dots, beads, and fills under a broad range of conditions, these units are equipped with multiple capabilities to refine the dispensing process. Features such as 0–100 psi air pressure regulation, timed-shots, vacuum control to keep thin fluids from dripping, digital time/pressure displays, and electric foot pedals help operators maintain process control.

Diagnosing COVID-19: Anatomy of an LFI Test Device

TBMG-3784710/01/2020

Every minute matters when an individual needs to know whether he or she has contracted COVID-19. Beyond social distancing and masks, COVID-19 testing solutions have an important role in preventing virus spread. By offering some certainty about the presence or absence of infection, diagnostic testing helps public health efforts to control the virus.

Four RF Technology Trends You Need to Know for Satellite Communication Device Design

20AERP10_0510/01/2020

Over the past four decades, the sheer amount and complexity of information transmitted through satellite communication (satcom) has substantially increased. At the same time, more mission-critical applications - such as aeronautical, maritime, and military navigation - have become increasingly reliant on these communications. As a result, the RF circuit building blocks that make up satcom technology have been through many changes to accommodate the latest advancements in the industry including miniaturization, increased reliability, and the ability to rapidly transmit even more complex data. This article examines four RF technology trends today that are helping satcom design engineers meet the data demands of their military and aerospace clients while also making RF components that are lighter by size, weight, and power and more cost-effective to produce (SWaP-C).

Torque Limiters 101: Benefits, Types, and Comparisons

TBMG-3783710/01/2020

Modern machines can be simple — a single element translating a rotary-to-linear motion. They can also be complex — a collection of interacting mechanisms operating in a multi-dimensional plane. The commonality of these mechanisms is the element of motion that is predictable with a known torque or force and velocity.

System Eases Networking Lag in Massive IoT Devices

TBMG-3782510/01/2020

The Internet of Things (IoT) spans from WiFi-connected home appliances, to manufacturing machines that use connected sensors to time tasks on an assembly line, to warehouses that rely on automation to manage inventory, to surgeons who can perform precise surgeries with robots. But for these applications, timing is everything — a lagging connection could have disastrous consequences.

Four RF Technology Trends You Need to Know for Satellite Communication Device Design

TBMG-3788610/01/2020

Laser Wire Additive Manufacturing System

TBMG-3789110/01/2020

ADDere Additive Manufacturing Waukesha, WI 414-327-0000

Unsettled Technology Domains in Industrial Smart Assembly Tools Supporting Industry 4.0

EPR202001809/29/2020

“Smart” refers to tools that are “specific, measurable, achievable, reasonable/realistic, and time bound.” Smart assembly tools are used in many industries, including automotive, aerospace, and space for measuring, inspecting, gauging, drilling, and installing all existing fastening systems. Inside the Industry 4.0 environment, these tools have a huge influence on Information and Communication Technology (ICT), assembly cost reduction, process control, and even the product and process quality.These four domains—and their undefined nature—are the focus of this SAE EDGE™ Research Report. The technical issues identified here need to be discussed, the goals clarifying the scope of the industry-wide need to be aligned, and the issues requiring standardization need prioritized.NOTE: SAE EDGE Research Reports are intended to identify and illuminate key issues in emerging, but still unsettled, technologies of interest to the mobility industry. The goal of SAE EDGE Research Reports is to

Roye, Thorsten

Evaluation of Steering Gearbox Station to Improve Industrial Safety and Productivity through Ergonomics

2020-28-033009/25/2020

The economic growth of the company depends on the quality and delivery time of the components. The pursuit of new techniques is mandatory to maintain quick delivery time without compromising quality. Ergonomics is one such technique that helps to improve workstation productivity by reorganizing the workspace, changing the sequence in operations, up-gradation of machine tools, reducing operator fatigue, etc. The ergonomic study was performed in a tractor steering gearbox manufacturing unit. In the present work, an ergonomic assessment of the workstation is done. Ergonomics assessment includes RULA assessment and Work-place assessment helped to find out the factors influencing the work station to be in the alert zone. During the observation of base milling operation, the operator needs to clamp and de-clamp the steering box manually by using mechanical tools. Due to which operator feel more fatigue in the wrist and lower-arm position which reduces productivity. These made the operation

Uday, K.N, S, Krishna prasd, Govindasamy, Rajamurugan, Krishnasamy, Prabu, Raju, Sasikumar

Rear Fuselage Packer

TBMG-3759909/01/2020

Kaman UK Darwen, UK +44 1254 706000

The Effect of Change in Assembly Sequence on Permanent Strain of Cab Suspension Console

02-13-02-0011

08/20/2020

Heavy commercial vehicles play an important role in creating the trade and economic balance of countries. Also, the durability and safety of heavy commercial vehicles come to the fore. Heavy commercial vehicles consist of two parts. These are the chassis area with the equipment that allows the vehicle to move and the cabin section where the driver is located. The cabin area is the most important area that ensures the highest level of driver safety. Considering that the production of trucks is increasing day by day, it is inevitable for companies to increase their R&D activities in the field of cabin and cabin suspension systems for much safer, durable, and comfortable trucks. This study aims to determine the safe torque value of the fasteners and their assembly sequence of the Cab Suspension Console, which is one of the most important connection parts in a truck and which can cause a fatal accident by breaking. In this study, the safe torque value of the fasteners of the cabin

Yildirim, Bariscan, Öztürk, Dogan

Man vs Machine: Who Reigns Supreme for Quality Inspection?

TBMG-3738508/01/2020

The human eye is a particularly complex instrument. Working in combination with the brain, it allows us to perceive our surroundings. We are able to recognize objects in a split second, even when their exact shape varies. We use perspective to analyze our environment and have a wide field of vision capable of focusing very sharply on particular areas. These abilities have gradually evolved over millennia as humans continually adapted to many different stimuli and environments in order to survive.

5 Important ESD Protection Considerations for Augmented Reality Wearables

TBMG-3722407/01/2020

Those of us who wear vision correction glasses are used to seeing the world through lenses. New technologies will allow a virtual world to be layered on top of the real world that we normally see. The lenses will become displays that allow us to see the “real” world that is augmented with overlaid information and images, creating an Augmented Reality (AR). An example would be the integration of navigation into the AR glasses to allow a user to walk through town with turn-by-turn instructions (visual or verbal) to help them easily get to their destination. Other examples include facial recognition, fitness tracking, first-person photos and videos, as well as health-sensing and travel applications (Figure 1).

Surfaces That Grip Like Gecko Feet Could Be Easily Mass-Produced

TBMG-3700706/01/2020

Researchers have developed a method of making gecko-inspired adhesive materials that is more cost-effective than current methods. It could enable mass production and the spread of the versatile gripping strips to manufacturing and homes.

Metal Injection Molding Offers OEMs Edge and Safety with Disposables

TBMG-3711706/01/2020

Medical instruments used in surgery today often require more elaborate features and added functionality than they did in the past, largely due to the growth in minimally invasive surgery. For this reason, greater attention to detail is critical in product design and development. To meet the demand for small, complex, lightweight surgical products, medical device original equipment manufacturers (OEMs) are increasingly opting for disposable surgical tools and product offerings, which provide flexible, off-the-shelf single-use sterile solutions to surgeons and hospitals.

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