PRECISION ENGINEERING TOOLS WE HAVE WHAT IT TAKES to EXCEED & EXCEL the Plant
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Revealing Internal Flow Behaviour in Arc Welding and Additive
ARTICLE https://doi.org/10.1038/s41467-018-07900-9 OPEN Revealing internal flow behaviour in arc welding and additive manufacturing of metals Lee Aucott 1, Hongbiao Dong 2, Wajira Mirihanage3, Robert Atwood 4, Anton Kidess5,10, Shian Gao2, Shuwen Wen6,11, John Marsden6, Shuo Feng2, Mingming Tong7,12, Thomas Connolley 4, Michael Drakopoulos4, Chris R. Kleijn5, Ian M. Richardson8, David J. Browne7, Ragnvald H. Mathiesen9 & Helen.V. Atkinson2,13 1234567890():,; Internal flow behaviour during melt-pool-based metal manufacturing remains unclear and hinders progression to process optimisation. In this contribution, we present direct time- resolved imaging of melt pool flow dynamics from a high-energy synchrotron radiation experiment. We track internal flow streams during arc welding of steel and measure instantaneous flow velocities ranging from 0.1 m s−1 to 0.5 m s−1. When the temperature- dependent surface tension coefficient is negative, bulk turbulence is the main flow mechanism and the critical velocity for surface turbulence is below the limits identified in previous theoretical studies. When the alloy exhibits a positive temperature-dependent surface tension coefficient, surface turbulence occurs and derisory oxides can be entrapped within the subsequent solid as result of higher flow velocities. The widely used arc welding and the emerging arc additive manufacturing routes can be optimised by controlling internal melt flow through adjusting surface active elements. 1 United Kingdom Atomic Energy Authority, Culham Science Centre, Abingdon, Oxfordshire OX14 3DB, UK. 2 Department of Engineering, University of Leicester, Leicester LE1 7RH, UK. 3 School of Materials, University of Manchester, Manchester M13 9PL, UK. -
Tesa Micro-Hite an All-Purpose Metrology Height Gauge
CASE STUDY TESA MICRO-HITE AN ALL-PURPOSE METROLOGY HEIGHT GAUGE TESA’s MICRO-HITE electronic vertical height gauge is wi- dely used for measuring precision parts in workshops or gauge rooms. This battery-powered instrument elimina- tes the need for cables and glides on its own air cushion on a surface plate. It can measure internal, external, height, depth and step dimensions of geometric part fea- tures having either a flat, parallel or cylindrical surface. With the Power Panel plus M, the MICRO-HITE can mea- sure in single or two coordinate measurements as well as determine bore positions, both in polar and rectangular coordinates. The MICRO-HITE comes with many accessories, including a TESA IG13 probe for measuring perpendicularity and straightness errors. The latest generation MicroHite plus M versions, equip- ped with a rotary power control, combine the speed of a manual height gauge with the precision of a motorised one. The MICRO-HITE is, thus, the most versatile and accurate height gauge in its class. TURBO ENERGY LIMITED – PRECISION INSPECTION ON THE SHOPFLOOR Established in 1982, Turbo Energy “Most of our operators have learned to measure their compo- Limited (TEL) manufactures nents in two-coordinate mode, which is adequate for our purpo- around a million turbo chargers ses,” said Mr Balaji. “We have done away with customised gauges for diesel engines in two plants, since the MICRO-HITE’s inspection capabilities can adapt to located in rural areas outside component design changes.” of Chennai. TEL’s component manufacturing plant in Pulivalam Mr Balaji cited the example of a turbo charger component where consists of several workshops for it took 25 minutes to measure 32 dimensions. -
Adv. No. 12/2019, Cat No. 21, Millwright Mechanic (Mechanical) Instructor (Theory), SKIL DEVELOPMENT and INDUSTRIAL TRAINING DEPARTMENT, HARYANA Morning Session
Adv. No. 12/2019, Cat No. 21, Millwright Mechanic (Mechanical) Instructor (Theory), SKIL DEVELOPMENT AND INDUSTRIAL TRAINING DEPARTMENT, HARYANA Morning Session Q1. A. B. D. C. Q2. A. B. C. D. Q3. A. B. C. D. Q4. A. B. C. D. December 12, 2019 Page 1 of 29 Adv. No. 12/2019, Cat No. 21, Millwright Mechanic (Mechanical) Instructor (Theory), SKIL DEVELOPMENT AND INDUSTRIAL TRAINING DEPARTMENT, HARYANA Morning Session Q5. B. A. C. D. Q6. __________ is the synonym of "PLUNGE". A. Dive B. Catch C. Fit D. Throw Q7. __________ is the antonym of "IMITATION". A. Benefit B. Genuine C. Advantage D. Resemblance Q8. Identify the meaning of the idiom. "Burn the midnight oil" A. Counting your day's earnings in the night. B. Heat up a place to make it comfortable. C. Stay awake and work or study late into the D. Finish all the resources available completely. night. Q9. The sentence given below may contain one or more mistakes. Identify the correct sentence. "When I wore hers jacket, everyone told that it looked good on me." A. When I wore hers jacket, everyone said that it B. When I wore her jacket, everyone said that it looked good on me. looked good on me. C. When I wore her jacket, everyone told that it D. When I wore her jacket, everyone told that it looked good on me. looks good on me. December 12, 2019 Page 2 of 29 Adv. No. 12/2019, Cat No. 21, Millwright Mechanic (Mechanical) Instructor (Theory), SKIL DEVELOPMENT AND INDUSTRIAL TRAINING DEPARTMENT, HARYANA Morning Session Q10. -
Grinding Your Own Lathe Tools
WEAR YOUR SAFETY GLASSES FORESIGHT IS BETTER THAN NO SIGHT READ INSTRUCTIONS BEFORE OPERATING Grinding Your Own Left Hand Right Hand Boring Tool Cutting Tool Cutting Tool Lathe Tools As with any machining operation, grinding requires the Dressing your grinding wheel is a part of maintaining the utmost attention to “Eye Protection.” Be sure to use it when bench grinder. Grinding wheels should be considered cutting attempting the following instructions. tools and have to be sharpened. A wheel dresser sharpens Joe Martin relates a story about learning to grind tools. “My by “breaking off” the outer layer of abrasive grit from the first experience in metal cutting was in high school. The wheel with star shaped rotating cutters which also have to teacher gave us a 1/4" square tool blank and then showed be replaced from time to time. This leaves the cutting edges us how to make a right hand cutting tool bit out of it in of the grit sharp and clean. a couple of minutes. I watched closely, made mine in ten A sharp wheel will cut quickly with a “hissing” sound and minutes or so, and went on to learn enough in one year to with very little heat by comparison to a dull wheel. A dull always make what I needed. I wasn’t the best in the class, wheel produces a “rapping” sound created by a “loaded just a little above average, but it seemed the below average up” area on the cutting surface. In a way, you can compare students were still grinding on a tool bit three months into the what happens to grinding wheels to a piece of sandpaper course. -
Hand Tools Workbook (AUM9004A)
Prepare and Operate Equipment, Tools and Machinery – Hand Tools Workbook (AUM9004A) AUT033 AUM9004A Prepare and Operate Equipment, Tools and Machinery – Hand Tools Workbook Copyright and Terms of Use © Department of Training and Workforce Development 2016 (unless indicated otherwise, for example ‘Excluded Material’). The copyright material published in this product is subject to the Copyright Act 1968 (Cth), and is owned by the Department of Training and Workforce Development or, where indicated, by a party other than the Department of Training and Workforce Development. The Department of Training and Workforce Development supports and encourages use of its material for all legitimate purposes. Copyright material available on this website is licensed under a Creative Commons Attribution 4.0 (CC BY 4.0) license unless indicated otherwise (Excluded Material). Except in relation to Excluded Material this license allows you to: Share — copy and redistribute the material in any medium or format Adapt — remix, transform, and build upon the material for any purpose, even commercially provided you attribute the Department of Training and Workforce Development as the source of the copyright material. The Department of Training and Workforce Development requests attribution as: © Department of Training and Workforce Development (year of publication). Excluded Material not available under a Creative Commons license: 1. The Department of Training and Workforce Development logo, other logos and trademark protected material; and 2. Material owned by third parties that has been reproduced with permission. Permission will need to be obtained from third parties to re-use their material. Excluded Material may not be licensed under a CC BY license and can only be used in accordance with the specific terms of use attached to that material or where permitted by the Copyright Act 1968 (Cth). -
Instructions for Using the OMW Sensitive Tapping Kit
Thank you for purchasing the OMW Sensitive Tapping Kit. I hope you enjoy using it as much as I enjoyed making it. With a little care, this tool should give you many years of service. Please read the instructions below to take full advantage of your new Tapping Kit. And let me know if you have comments or questions. I can be reached via email at [email protected], or at OMW Corporation (21 Pamaron Way, Ste. G., Novato, CA 94949). Best Regards, Joe Osborn President, OMW Corporation. Instructions for Using the OMW Sensitive Tapping Kit Background The OMW Sensitive Tapping Kit was inspired by my efforts to tap very small holes in soft material, such as brass and plastic. I found standard tapping wrenches to be far too large and lacking in the sensitive “feel” needed to keep from stripping the hole. Initially, I actually wrapped tape around the tap itself and turned the tap between my fingers. Searching for a better technique led to my design The OMW Sensitive Tapping Wrench of the Sensitive Tapping Kit. I hope that you will enjoy it. Using the Sensitive Tapping Kit Tap Guide Tap Extension Wrench Guide Rod The Sensitive Tapping Kit is composed of four parts. The Wrench, which is used to hold the taps; the Tap Guide, which is used to hold the tap straight to the hole; the Tap Extension, which extends the reach of the Wrench; and the Wrench Guide Rod, which allows the Wrench to be held straight in a lathe, mill or drill press. (OVER) 2 The Wrench and Guide Rod The Wrench will hold standard taps from 0-80 to 6-32, which all have the same shank diameter. -
Educational CNC Machines and Curricula
Educational CNC Machines and Curricula Your Local Techno Dealer: HTO05571102 H803 CNC PLASMA CUTTER FEATURES • Comes fully assembled – NO ASSEMBLY REQUIRED! • Welded steel frame construction for rigidity and accuracy, designed to hold up to 1 inch thick steel • Automatic Torch Height Control for high cut quality and virtually no dross • “SMART CUT” Software sets the cutting parameters without guess work for near perfect cut first time, every time • Optional water table available to reduce up to 80% of smoke and dust • Magnetic Breakaway Torch Mount prevents torch damage • Plasma arc confirmation monitoring and continuous or fixed step JOG • High-speed cutting available for good cut quality even with thinner metal sheets • Compatible with standard GCODE files, simple intuitive user interface • Mastercam and Enroute post processors available • Cuts up to 1 inch thick steel capacity • Ball screw drives on all axes, patented anti-backlash ball nuts provide play free motion and long term reliability • Built in Emergency Stop Control, programmable in inch or metric units • Cutting files can be resized on the machine, built-in on screen file editor • Available with either Hypertherm or Thermal Dynamics Plasma Torches • Preview software built into interface with ZOOM and 3D perspective SPECIFICATIONS: Dimensions in inch Machine Work Envelope Foot Print Repeatability Resolution High Power Model X Y Z W L H Speed in/min 4848 48 81 4896 48 96 1.5 75 123 55 Less than Less than 900 59120 60 120 98 145 .001 .001 Techno, Inc. reserves the right to change -
Precision Tools
Precision, Quality, Innovation PRECISION TOOLS Slide Calipers Height Gauges Micrometers Bore Gauges Indicators Indicator Stands Fixed Gauges Precision Tools Metrology Optical Profile Projectors Catalogue 33E PRECISION, QUALITY, iNNOVATiON Welcome to our new edition, Catalogue 33E. We remain as dedicated today to the making of great tools for our customers as we were when L.S. Starrett founded the company in 1880. He created a business and a brand that has become synonymous with precision, quality and innovation, backed by unmatched service and support. We accomplish this by offering application-designed precision tools, saws, and custom solutions that optimise job and process performance. Our confidence hinges on over 130 years of experience focusing on your needs and your success. We take great pride in manufacturing long-lasting, easy-to-use tools that provide consistent and reliable performance. Today, Starrett offers five product categories: Precision Measurement Tools, Metrology Equipment, Granite-based Engineered Solutions, Saw Blades, and Jobsite and Shop Tools. Whether you need to modify a standard tool, require assistance in selecting the best saw blade for your cutting application, or desire a custom solution for your business, we have the breadth of knowledge to assist you. We are committed to providing you with complete solutions created for your exact needs. Problem solving is part of what we do every day. If the right tool for your application does not exist, contact us – we would appreciate the opportunity to build it. President -
Michigan Underground Storage Tank Rules
DEPARTMENT OF LICENSING AND REGULATORY AFFAIRS BUREAU OF FIRE SERVICES STORAGE TANK DIVISION UNDERGROUND STORAGE TANK REGULATIONS Filed with the Secretary of State on November 14, 2018 These rules become effective immediately upon filing with the Secretary of State unless adopted under section 33, 44, 45a(6), or 48 of 1969 PA 306. Rules adopted under these sections become effective 7 days after filing with the Secretary of State. (By authority conferred on the director of the department of licensing and regulatory affairs by section 21106 of 1994 PA 451, MCL 324.21106, and Executive Reorganization Order Numbers 1995-16, 1998-2, 2009-31, 2011-1, and 2012-7, MCL 324.99903, 29.461, 324.99919, 324. 99921, and 29.462.) R 29.2101, R 29.2103, R 29.2105, R 29.2107, R 29.2109, R 29.2111, R 29.2113, R 29.2115, R 29.2117, R 29.2119, R 29.2121, R 29.2122, R 29.2123, R 29.2125, R 29.2126, R 29.2127, R 29.2129, R 29.2131, R 29.2133, R 29.2135, R 29.2137, R 29.2139, R 29.2151, R 29.2153, R 29.2155, R 29.2157, R 29.2159, R 29.2161, R 29.2163, R 29.2163a, R 29.2163b, R 29.2163c, R 29.2163d, R 29.2163e, R 29.2164, R 29.2166, R 29.2166a, R 29.2167, R 29.2168, R 29.2168a, R 29.2168b, R 29.2168c, R 29.2168d, R 29.2169, R 29.2170, R 29.2171, R 29.2172, and R 29.2174 are amended, R 29.2108, R 29.2141, R 29.2143, R 29.2145, R 29.2147, R 29.2149, R 29.2165, and R 29.2173 are rescinded, and R 29.2114, R 29.2116, R 29.2120, R 29.2120a, R 29.2130, R 29.2162, R 29.2163f, R 29.2163g, R 29.2165a, R 29.2165b, R 29.2175, R 29.2176, R 29.2177, R 29.2178, R 29.2178a, R 29.2179, R 29.2180, R 29.2190, R 29.2191, and R 29.2192 are added to the Code, to read as follows: R 29.2101 Adoption of standards by reference. -
Gauge Blocks and Accessories
for more than 70 Made in Germany years Gauge Blocks and Accessories Wear resistant Special Steel Ceramic Carbide DAkkS-Calibration Laboratory scope of accreditation according to the current annexe: KOLB & BAUMANN GMBH & CO. KG www.dakks.de PRECISION MEASURING TOOLS MAKERS DE-63741 ASCHAFFENBURG · DAIMLERSTR. 24 GERMANY PHONE +49 (6021) 3463-0 · FAX +49 (6021) 3463-40 www.koba.de · [email protected] Catalogue No. 1000/E/01/2012 Dear Customer, Today you have the documents of KOLB & BAUMANN in your hands. We are glad that you are interested in our products. The foundations of KOBA were laid more than 70 years ago and at the beginning the manufacture of gauge blocks was the major line. At that time gauge blocks were made out of steel. Later carbide and ceramic were added. Furthermore we manufacture accessories in order to extend the application of our gauge blocks. In order to complete the product range we started the manufacture of gauges. It was in 1979 when KOLB & BAUMANN got accredited by the PTB as the 8th DKD-calibration laboratory in Germany. This accreditation comprises the measured value "length” up to 1000 mm. Besides, KOBA is accredited laboratory for gauges and other measuring instruments. KOBA supplies world-wide into more than 70 countries and is also supplier for gauge blocks and calibration masters to various National Physical Laboratories. Our world-wide customers trust in KOBA-gauge blocks and gauges as a high- grade German quality product. Being a German family-based company we will do all efforts to keep the confidence in our products. -
Building and Testing Theory on the Role of IT in the Relationship Between Power and Performance: Implementing Enterprise Performance Management in the Organization
Virginia Commonwealth University VCU Scholars Compass Theses and Dissertations Graduate School 2009 Building and Testing Theory on the Role of IT in the Relationship between Power and Performance: Implementing Enterprise Performance Management in the Organization Mitchell Wenger Virginia Commonwealth University Follow this and additional works at: https://scholarscompass.vcu.edu/etd Part of the Management Information Systems Commons © The Author Downloaded from https://scholarscompass.vcu.edu/etd/1784 This Dissertation is brought to you for free and open access by the Graduate School at VCU Scholars Compass. It has been accepted for inclusion in Theses and Dissertations by an authorized administrator of VCU Scholars Compass. For more information, please contact [email protected]. © Mitchell R. Wenger, 2009 All Rights Reserved © Mitchell R. Wenger, 2009 Page i Building and Testing Theory on the Role of IT in the Relationship between Power and Performance: Implementing Enterprise Performance Management in the Organization A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy at Virginia Commonwealth University. By Mitchell R. Wenger Virginia Commonwealth University [email protected] Masters in Business Administration University of Texas at Arlington, Arlington, TX, 1984 Bachelor of Science in Accountancy University of Illinois, Urbana-Champaign, IL, 1982 Chair: Dr. Allen S. Lee Professor and Associate Dean for Research & Graduate Studies Department of Information Systems Co-Chair: Gurpreet Dhillon Professor, Department of Information Systems Virginia Commonwealth University Richmond, Virginia, USA April, 2009 © Mitchell R. Wenger, 2009 Page ii Acknowledgements This dissertation, along with the degree work leading up to it, would not have been possible without the support of my wife Deb. -
The Gage Block Handbook
AlllQM bSflim PUBUCATIONS NIST Monograph 180 The Gage Block Handbook Ted Doiron and John S. Beers United States Department of Commerce Technology Administration NET National Institute of Standards and Technology The National Institute of Standards and Technology was established in 1988 by Congress to "assist industry in the development of technology . needed to improve product quality, to modernize manufacturing processes, to ensure product reliability . and to facilitate rapid commercialization ... of products based on new scientific discoveries." NIST, originally founded as the National Bureau of Standards in 1901, works to strengthen U.S. industry's competitiveness; advance science and engineering; and improve public health, safety, and the environment. One of the agency's basic functions is to develop, maintain, and retain custody of the national standards of measurement, and provide the means and methods for comparing standards used in science, engineering, manufacturing, commerce, industry, and education with the standards adopted or recognized by the Federal Government. As an agency of the U.S. Commerce Department's Technology Administration, NIST conducts basic and applied research in the physical sciences and engineering, and develops measurement techniques, test methods, standards, and related services. The Institute does generic and precompetitive work on new and advanced technologies. NIST's research facilities are located at Gaithersburg, MD 20899, and at Boulder, CO 80303. Major technical operating units and their principal