Technical Library: amp and au655 (Page 1 of 2)

On Oreology, the fracture and flow of "milk's favorite cookie® "

Technical Library | 2024-08-29 18:30:46.0

The mechanical experience of consumption (i.e., feel, softness, and texture) of many foods is intrinsic to their enjoyable consumption, one example being the habit of twisting a sandwich cookie to reveal the cream. Scientifically, sandwich cookies present a paradigmatic model of parallel plate rheometry in which a fluid sample, the cream, is held between two parallel plates, the wafers. When the wafers are counterrotated, the cream deforms, flows, and ultimately fractures, leading to separation of the cookie into two pieces. We introduce Oreology (/Oriːˈɒl@dʒi/), from the Nabisco Oreo for "cookie" and the Greek rheo logia for "flow study," as the study of the flow and fracture of sandwich cookies. Using a laboratory rheometer, we measure failure mechanics of the eponymous Oreo's "creme" and probe the influence of rotation rate, amount of creme, and flavor on the stress–strain curve and postmortem creme distribution. The results typically show adhesive failure, in which nearly all (95%) creme remains on one wafer after failure, and we ascribe this to the production process, as we confirm that the creme-heavy side is uniformly oriented within most of the boxes of Oreos. However, cookies in boxes stored under potentially adverse conditions (higher temperature and humidity) show cohesive failure resulting in the creme dividing between wafer halves after failure. Failure mechanics further classify the creme texture as "mushy." Finally, we introduce and validate the design of an open-source, three-dimensionally printed Oreometer powered by rubber bands and coins for encouraging higher precision home studies to contribute new discoveries to this incipient field of study

1st Place Machinery Inc.

Make the Right Design Choices in Load Switching and Simulation in a High Current and Mechatronic Functional Test

Technical Library | 2016-02-04 19:11:47.0

In a typical mechatronic manufacturing functional test setup, actual load simulations are usually done by connecting the DUT outputs to power or ground in order to establish either a high or low side driver. Each output is connected with different load and the test will either be sequential or concurrent. At lower power levels, these can usually be managed with general purpose switches. However, when it comes to higher power levels of currents more than 5 amps, such switching and loading might pose a greater challenge. Furthermore, critically in the manufacturing line, the tradeoff between cost and test time would have a great influence on the test strategy.This paper will present some key points to design a cost effective high power switching and load management solution.

Keysight Technologies

SMT MLCC&SMD resistance parameters and detailed explanation

Technical Library | 2022-04-28 06:42:19.0

I. Chip capacitors(MLCC) The full name of chip capacitors: multilayer (multilayer, laminated) chip ceramic capacitors, also known as chip capacitors, chip capacitance.

Leaderway Industrial Co.,Ltd

Air purification and occupational health & safety in electronics production

Technical Library | 2021-04-16 05:38:38.0

The overall process of manufacturing electronics assemblies is characterized by a number of very different procedures. Along the production chain, technologies for cutting, assembling, soldering, bonding, gluing, marking, potting, etc. are used, all of them have one thing in common: They produce airborne pollutants, some of which can have a significant impact on employees, manufacturing equipment and products - and for this reason need to be removed effectively and efficiently.

ULT Canada Sales Incorporated

Benefits and Costs of Overstress Testing (HALT)

Technical Library | 2023-08-14 20:45:11.0

The partnership of Design and Manufacturing is central to the process of bringing a product to market. The impact of problems in either of these stages can increase exponentially if they go unnoticed until after the product reaches the customer. Overstress Test (tests using stresses beyond the design limit of the product) is successful at uncovering such faults in both product design and the manufacturing process and insures the overall robustness of the product. The benefits of Overstress Test include ...

Cisco Systems, Inc.

00345186 27856240 0020 5283 pick and place parts L&A Ea Mch Fuehrungswagen Kwve

Technical Library | 2022-10-31 09:05:54.0

Warranty: 3 Months Precision: High Precision Certification: CE,ROHS Wight: 1kg Automatic Grade: Automatic Trademark: Ultra High-speed Chip Mounter High Light: 00345186, 00345186 smt pick and place parts, 00345186 SMT Spare Parts

Shenzhen Zhongrun Hi-Tech Technology Co., Ltd.

Stereolithography and Simultaneous Engineering Speed Products to Market

Technical Library | 1999-05-07 08:04:23.0

Stereolithography is a handy tool not only for speeding a design to market but also in giving customers an early edge. By allowing a form-and-fit sample to be quickly made from a computer model, stereolithography coupled with simultaneous engineering allows customers to see product models early in the design cycle. And if a picture is worth a thousand words, what's a tangible sample worth?

TE Connectivity

Comparing Digital and Analogue X-ray Inspection for BGA, Flip Chip and CSP Analysis

Technical Library | 2023-11-20 18:49:11.0

Non-destructive testing during the manufacture of printed wiring boards (PWBs) has become ever more important for checking product quality without compromising productivity. Using x-ray inspection, not only provides a non-destructive test but also allows investigation within optically hidden areas, such as the quality of post solder reflow of area array devices (e.g. BGAs, CSPs and flip chips). As the size of components continues to diminish, today's x-ray inspection systems must provide increased magnification, as well as better quality x-ray images to provide the necessary analytical information. This has led to a number of x-ray manufacturers offering digital x-ray inspection systems, either as standard or as an option, to satisfy these needs. This paper will review the capabilities that these digital x-ray systems offer compared to their analogue counterparts. There is also a discussion of the various types of digital x-ray systems that are available and how the use of different digital detectors influences the operational capabilities that such systems provide.

Nordson DAGE

Recycling Waste Circuit Board Efficiently and Environmentally Friendly through Small-Molecule Assisted Dissolution

Technical Library | 2022-01-05 22:51:59.0

200 °C) and high pressure. In this paper, a small-molecule assisted approach based on dynamic reaction was proposed to dissolve thermosetting polymers containing ester groups and recycle electronic components from PCBs.

Xian Jiaotong University

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