Browse Topic: Production
ABSTRACT This paper focuses on the application of a novel Additive Molding™ process in the design optimization of a combat vehicle driver’s seat structure. Additive Molding™ is a novel manufacturing process that combines three-dimensional design flexibility of additive manufacturing with a high-volume production rate compression molding process. By combining the lightweighting benefits of topology optimization with the high strength and stiffness of tailored continuous carbon fiber reinforcements, the result is an optimized structure that is lighter than both topology-optimized metal additive manufacturing and traditional composites manufacturing. In this work, a combat vehicle driver’s seatback structure was optimized to evaluate the weight savings when converting the design from a baseline aluminum seat structure to a carbon fiber / polycarbonate structure. The design was optimized to account for mobility loads and a 95-percentile male soldier, and the result was a reduction in
ABSTRACT The key to vehicle survivability in a combat or otherwise hostile environment is the capability to quickly resupply critical parts. Rapid production of hard to obtain components within the theater of operations can significantly increase the availability of combat vehicles or other equipment. Additive manufacturing enables significant reduction in lead time for these components and thus offers an enhancement of combat capability. However, AM operations have specific environmental and support requirements in order to function. In partnership with CESI and CAPSA, AddUp has developed a unique concept of a “modular plant” called the Anywhere Additive Factory. The unit can be adjusted to meet the manufacturing requirements and volumes needed, while also being easily dismantled and moved to another location. Citation: S. Pexton, “The FlexCare Deployable Additive Manufacturing Printing Facility”, In Proceedings of the Ground Vehicle Systems Engineering and Technology Symposium
ABSTRACT The Digital Engineering Environment is new and rapidly changing. It is a complex system with many tools, databases and views. Organizations struggle with how to access their maturity in a new environment. This paper discusses the different aspects of determination of the maturity of architecture model within a Digital Engineering Environment. The intended audience is all levels of system engineers. It will address the characteristics of maturity from content, size and usefulness of architecture models. The goal of this paper is to provide system architecture with tools, process and insight into gaining more productivity and value from architecture models
ABSTRACT The United States Army is leveraging Advanced Manufacturing (AdvM) methods to solve both operational and tactical readiness gaps. AdvM includes not only Additive Manufacturing (AM), but also traditional manufacturing capabilities in the field and at Army production facilities. The Tank-Armaments and automotive Command (TACOM) and the Ground Vehicles Systems Center (GVSC) Materials-AdvM Branch have developed a strategy of five critical path key words oriented on three Lines of Effort (LOE) that enables a disciplined process to deliver final use qualified parts manufactured by the Organic Industrial Base (OIB) as an alternate source of supply that will improve readiness of TACOM’s combat and tactical wheeled fleets. Additionally, an alternate critical path has been developed to provide limited use parts for Battle Damage and Repair (BDAR). Citation: P. Burton, N. Kott, A. Kruz, A. Batjer, “Path to 450 Parts Qualified for Advanced Manufacturing”, In Proceedings of the Ground
Abstract Converting vehicles from conventional manned operations to unmanned supervised operations has been slow to adoption in many industries due to cost, complexity (requiring more highly skilled personnel) and perceived lower productivity. Indeed, hazardous operations (military, nuclear cleanup, etc.) have seen the most significant implementations of robotics based solely on personnel safety. Starting in 2005, the U.S. Army Corps of Engineers (USACE) has assumed a leading role in promoting the use of robotics in unexploded ordnance (UXO) range remediation. Although personnel safety is the primary component of the USACE mission, increasing productivity while reducing overall cost is an extremely important driver behind their program. To achieve this goal demands that robotic range clearance equipment be affordable, easy to install on rental equipment, durable and reliable (to minimize down-time), low or no maintenance, and easy to learn / operate by the same individuals who would
Summary This paper discusses the latest techniques in vehicle modeling and simulation to support ground vehicle performance and fuel economy studies, enable system design optimization, and facilitate detailed control system design. The Autonomie software package, developed at Argonne National Laboratory, is described with emphasis on its capabilities to support Model-in-the-Loop, Software-in-the-Loop (SIL), Component-in-the-Loop (CIL), and Hardware-in-the-Loop simulations. Autonomie supports Model-Based Systems Engineering, which is growing in use as ground vehicles become more sophisticated and complex, with many more subsystems interacting within the vehicle and the environmental conditions in which the vehicles operate becoming more challenging and varied. With the advent of hybrid powertrains, the additional dimension of vehicle architecture has become one of the design variables that must be considered. This complexity results in the need for a simulation tool that is capable of
ABSTRACT The Bradley Combat Vehicle Motor Chatter case study focuses on one aspect of a combat vehicle program, specifically, responding to a vehicle production situation where combat vehicles produced with in-spec components and subsystems exhibit out-of-spec and failing system behavior. This typically results in an extended production line-down or line-degraded situation lasting for several quarters until the problem can be diagnosed, fixed, validated and verified. Subsequently, adequate quantities of the modified or replaced sub-systems must be put back into the production flow. The direct and indirect costs of an occurrence like this in peace-time are measured in the 10’s to 100’s of Millions of dollars. The schedule, program and perception impact to the vehicle platform can be potentially devastating. In war-time all of these impacts are magnified greatly by the added risk to soldiers’ lives. This paper describes the Bradley Combat Vehicle Motor Chatter case study and the
Abstract On the Mobile Detection Assessment Response System (MDARS) production program, General Dynamics Robotics Systems (GDRS) and International Logistics Systems (ILS), are working with the US Army’s Product Manager – Force Protection Systems (PM-FPS) to reduce system costs throughout the production lifecycle. Under this process, GDRS works through an Engineering Change Proposal (ECP) process to improve the reliability and maintainability of subsystem designs with the goal of making the entire system more producible at a lower cost. In addition, GDRS recommends substitutions of Government requirements that are cost drivers with those that reduce cost impact but do not result in reduced capability for the end user. This paper describes the production lifecycle process for the MDARS system and recommends future considerations for fielding of complex autonomous robotic systems
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
Contrary to what you may have heard, Americans are buying more EVs than ever. But they tend to like 'em big. After production delays due to software development issues - a problem that continues to plague automakers from Volkswagen to General Motors - Volvo's EX90 will look to lure families who live for three-row luxury SUVs. Based on a recent media drive in Newport Beach, California, Volvo may still have some work to do. The twin-motor EX90 did impress us with its 510 hp (380 kW), confident handling, leading-edge safety and sparkling high-resolution displays. But a software glitch dinged our test car when a section of its 14.5-inch (37 cm) center screen blanked out. Other journalists reported issues with a phone-based digital key that briefly left one driver stranded when it wouldn't connect with the Volvo. This is another reason I never rely on an automaker's digital key and always ask for a hard backup
Mi Rancho has been delighting customers with authentic and fresh tortillas, chips, and salsas since its establishment in 1939. Originally founded as a grocery store in Oakland, CA, the business has evolved and grown into a food provider for large nation-wide retail partners. To enable their continued growth, Mi Rancho recently partnered with Formic to introduce robotic automation to their food processing and packaging production operations
High productivity, low manufacturing costs, and high workpiece quality: these are the key factors that deliver sustainability, profitability, and competitive edge for industrial manufacturers. Reliable machine monitoring yields valuable real-time insights into ongoing processes; it is the basis for dependable, productive, and reproducible manufacturing and it helps machine operators to reach well-founded decisions on both short- and long-term improvements. This technology can even capture anomalies in highly dynamic machining processes, so users can respond instantly to ensure high productivity, decrease scrap rates, and prolong tool lifetimes. Thanks to all these advantages, continuous machine and process monitoring based on suitable sensor technology is a critical success factor in today’s manufacturing industry
This standard establishes requirements for Process Control Methods to sustain product conformity. This includes training, selection of control methods, analysis and improvement of their effectiveness, and subsequent monitoring and control. It applies to all controls documented in the Control Plan. This will include but is not limited to Key Characteristics (KCs) and Critical Items (CIs). This standard aligns and collaborates with the requirements of AS9100, AS9103, AS9145, AS13000, AS13002, AS13003, and AS13004. Commercial-Off-The-Shelf (COTS) items and Standard Catalogue Items (that neither the customer nor supplier hold design authority for) are not included
The Software Production Factory (SPF) is a cyber physical construct of computers, hardware and software integrated together to serve as an ideation and rapid prototyping environment. SPF is a virtual dynamic environment to analyze requirements, architecture, and design, assess trade-offs, test Ground Vehicle development artifacts such as structural and behavioral features, and deploy system artifacts and operational qualifications. SPF is utilized during the product development as well as during system operations and support. The white paper describes the components of the SPF to build relevant Ground Vehicle Rapid Prototyping (GVRP) models in accordance with the model-centric digital engineering process guidelines. The factory and the processes together ensure that the artifacts are produced as specified. The processes are centered around building, maintaining, and tracing single source of information from source all the way to final atomic element of the built system
This document provides guidance for oxygen cylinder installation on commerical aircraft based on airworthiness requirements, and methods practiced within aerospace industry. It covers considerations for oxygen systems from beginning of project phase up to production, maintenance, and servicing. The document is related to requirements of DOT-approved oxygen cylinders, as well to those designed and manufactured to standards of ISO 11119. However, its basic rules may also be applicable to new development pertaining to use of such equipment in an oxygen environment. For information regarding oxygen cylinders itself, also refer to AIR825/12
Today, advancements in industrial laser cleaning automation show great promise in boosting productivity and safety when rust and contaminant removal or surface preparation is required for higher volumes of components and equipment
In the medical device production environment, device packaging and sterilization is vital. The same level of rigorous quality controls and regulations that affect the devices themselves are also extended to their packaging. The mechanical and container closure integrity [CCI] evaluations of medical device packaging requires significant testing performed at multiple points throughout the commercialization and production processes
This SAE Aerospace Standard (AS) establishes requirements applicable to metal stock that is ordered and produced in accordance with an SAE Aerospace Material Specification (AMS). Topics include producer requirements, distributor requirements, size and grain orientation nomenclature, and purchaser ordering information to distributors. Requirements of this document have been developed to address titanium and titanium alloys, aluminum and aluminum alloys, carbon and alloy steels, and corrosion- and heat-resistant alloys
This document establishes the requirements for the sequencing of processes relating to parts fabricated from 300M or 4340 modified steel heat treated to, or to be heat treated to, 270,000 psi (1860 MPa) minimum ultimate tensile strength (UTS) and higher
The integration of collaborative robots, or cobots, into manufacturing has revolutionized traditional processes, offering an unprecedented blend of precision, productivity, and safety. Known for their effectiveness in activities from palletizing to welding, cobots are emerging as invaluable assets for activities involving material removal like sanding, grinding and polishing, relieving human workers from arduous and risky tasks
Aitiip is a leading Spanish research and development institute and serves companies in the aeronautics, automation, industrial, and packaging sectors. The institute possesses strong platforms for the characterization of materials and processes and is known as a powerful integrator of technologies, which is constantly on the lookout for the next transformative technology. A year ago, Aitiip implemented an NXE 400 industrial resin 3D printer platform from Nexa3D to explore integrations of additive manufacturing and injection molding. Nexa3D is the Ventura, California-based provider of high-speed industrial printing technologies whose portfolio continues to grow, reflected in its acquisition of Essentium, one of the world's most well-known providers of extrusion 3D printing, earlier this year. Liebherr is one of the world's largest providers of a variety of industrial goods, services and products. Aerospace and transportation systems is one of 13 different product segments supplied by the
To improve battery performance and production, Penn State researchers and collaborators have developed a new fabrication approach that could make for more efficient batteries that maintain energy and power levels
Light is used in many ways in sensor technology for high precision applications. For example, white light technology can be used for confocal chromatic sensors and interferometers that can make extremely precise and accurate measurements of distance and thickness down to the sub-nanometer range. This makes them suitable for production monitoring in different industries, including semiconductor fabrication. However, even though both sensor types work with white light technology, the two measurement methods differ significantly, although they complement each other
Ultrahigh-strength steels are traditionally defined as those steels with a minimum yield strength of approximately 1380 MPa. Notable examples of steels in this category include AISI 4130, AISI 4140, and AISI 4340. In many cases, maximizing the performance of these alloys requires a rather complex approach that involves a series of tempering, annealing, or stress-relieving treatments. As a result, they are produced using a variety of traditional processing methods such as casting, rolling, extrusion, or forging. These traditional methods — combined with the ultrahigh strength of the steels — often meant that the production of complex, near-net shape parts of high quality was quite difficult. In addition, these production methods often entailed repetitive treatments or long production cycles, both of which resulted in elevated production costs
Medical component manufacturing must meet stringent regulations for quality and product consistency, making process control a critical issue with materials, machining, assembly and packaging. This is vitally important with fluid dispensing applications used in the assembly of medical devices, point-of-care testing and near-patient testing products, medical wearables and other life sciences applications, which require accurate and consistent deposition of fluid amounts of UV-cure adhesives, silicones and other fluids in their manufacture
In the 1990s and early 2000s, the field of parallel kinematics was viewed as being potentially transformational in manufacturing, having multiple potential advantages over conventional serial machine tools and robots. Many prototypes were developed, and some reached commercial production and implementation in areas such as hard material machining and particularly in aerospace manufacturing and assembly. There is some activity limited to niche and specialist applications; however, the technology never quite achieved the market penetration and success envisaged. Yet, many of the inherent advantages still exist in terms of stiffness, force capability, and flexibility when compared to more conventional machine structures. This chapter will attempt to identify why parallel kinematic machines (PKMs) have not lived up to the original excitement and market interest and what needs to be done to rekindle that interest. In support of this, a number of key questions and issues have been identified
Items per page:
50
1 – 50 of 8202