Dewalt Radial Arm Saw Table Dimensions
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Practical Implementation of the Stream Function Method for Design of Arbitrary-Geometry Gradient Coils
Practical Implementation of the Stream Function Method for Design of Arbitrary-Geometry Gradient Coils R. A. Lemdiasov1, R. Ludwig2 1Insight Neuroimaging Systems, Worcester, MA, United States, 2ECE Department, Worcester Polytechnic Institute, Worcester, MA, United States Introduction Over the past several years a variety of theoretical design methods for the construction of gradient coils have been developed. For instance, in [1] D. Green et al. minimize a weighted combination of power, inductance, and the square difference between actual and desired field. Representing the current as a Fourier series they find optimal coefficients that minimize the cost function. Our work is a continuation of last year’s research reported in [2]. In this paper we describe an alternative implementation of a stream function method to design gradient coils. Using this method we are able to determine the current distribution to achieve a prescribed magnetic field distribution in the Region of Interest (ROI) that is largely independent of the shape of the current-carrying surface. We will demonstrate the successful implementation of our approach as well as experimental results. Theory As mentioned above, a cost function Φ can be introduced in the form K Φ = 1 ()() ()− ()+ 2 +α ∑W rk Bz rk Bdes,z rk Boff ,z Wmagn (1) 2 k =1 () () where W r is a weight function, BZ is the z-component of the total field, Bdes,z r as well as Boff,z are the z-components of the desired and offset magnetic field, and α Wmagn is magnetic energy with being a weight coefficient. In (1), the first term denotes the square deviation of the magnetic field from the prescribed field, and the second term is the magnetic energy of the coil. -
Types of Tap
Types of Tap HAND TAPS ISO 529 These are straight flute general purpose tools which can be used for both machine or hand tapping. They are generally the most economical tool for use on production runs, but are best on materials that produce chips, or where the swarf breaks readily. Where deep holes are to be tapped, in materials which produce stringy swarf, serial taps may be needed, especially for coarse threads. ISO 529 hand taps can be supplied in sets of three; bottom, second and taper leads, or individually. BOTTOM TAPS have a chamfer (lead) of 1–2 threads, the angle of the lead being around 18 degrees per side. They are used to produce threads close to the bottom of blind holes. SECOND TAPS have a lead of 3-5 threads at 8 degrees per side. They are the most popular and can be used for through holes, or blind holes where the thread does not need to go right to the bottom. TAPER TAPS have a lead of 7-10 threads at 5 degrees per side. The taper lead distributes the cutting force over a large area, and the taper shape helps the thread to start. They can therefore be used to start a thread prior to use of second or bottom leads, or for through holes. IMPORTANT NOTE ON TERMINOLOGY! In the U.K. bottom taps are often referred to as ‘plugs’. In North America second taps are often referred to as ‘plugs’! This can easily lead to confusion. To avoid problems when ordering it is best to use the terms bottom, second and taper. -
Power Tool Guide 05J50.01
Power Tool Guide 05J50.01 The Veritas® Power Tool Guide is a collapsible straightedge that can be clamped to any material under 1" thick. The 52" tool guide (05J50.03) can be clamped across sheet material up to 52". The 8' Power Tool Guide (05J50.01), or the 48" tool guide extension (05J50.04) added to the 52" tool guide, can be clamped across sheet material up to 100". The advantage this guide has over other 8' guides is that it may be dismantled quickly and easily for cutting smaller sheet material as well as for easier storage or transport. The guide includes a pair of 1" capacity clamps that can be positioned anywhere along its length. For clamping material thicker than plywood sheets, a pair of 2" capacity clamps (05J50.09) is available separately. An optional 12" traveller (05J50.02) used in conjunction with a user-made base plate ensures that your power tool will effortlessly follow the intended line with greater safety. The utility of the traveller is further enhanced with the optional position stop (05J50.10) that clamps onto either guide rail. Figure 1: Veritas® Power Tool Guide. Safety Rules These safety instructions are meant to complement those that came with your power tool. We suggest that you reread those, in addition to these listed here before you begin to use this product. To use this product safely, always follow both sets of safety and general instructions. 1. Read the manual. Learn the tool’s applications and limitations as well as the specific hazards related to the tool. -
Circular Saw Safety
CIRCULAR SAW SAFETY Tool Box Talk Hand-held circular saws are powerful tools that can spin their blades at over 5,000 revolutions per minute. It’s important to choose safety and always use saws properly and with care. Hazards to be aware of include noise, flying debris, electrical, and saw kickback. Saws should be inspected before use and only used by qualified personnel. Safe setup prior to cutting: Safety while cutting: • Always wear ANSI Z87.1+ safety glasses, • Avoid cutting into blind areas goggles, or face shield with eye protection • Avoid twisting the saw to change, cut, or check alignment • Hearing protection is recommended; saws are loud • Saw should not need to be forced during cutting and longtime exposure may lead to hearing loss • Check for obstructions or objects like nails and screws • Wear proper respiratory protection when required • Do not carry the saw with a finger on the trigger switch • Avoid wearing loose clothing or jewelry • Stand to the side when cutting to keep out of the line that may be pulled into the saw of cut if kickbacks occur, do not overextend — position • While unplugged, check retracting lower your feet so you’re balanced and in full control blade guard to ensure it works freely • Be alert to the possibility of the blade binding • Tighten blade-locking nut to manufacturer specifications and the potential for and kickback • While unplugged, set and lock blade depth so lowest tooth • Always use both hands on the handles for does not extend more than 0.3 cm (⅛") beneath the wood maximum control, and -
The Original. Versatile and Powerful
iNTEriOr CONSTruCTiON The Original. Versatile and powerful. FEiN MultiMastEr – the universal system for interior construction and renovation NEW! Now available in a cordless version From the inventor of the power tool: FEIN MultiMaster. More than 40 year’s experience is built into this system. Original FEiN accessories – developed for the MultiMastEr. FEIN brought the first oscillating power tool to the market Original FEIN accessories guarantee outstanding results and an over 40 years ago. These decades of experience are built into unrivalled long service life. It handles all common renovation and the FEIN MultiMaster, making this universal system for interior interior construction work for professionals and also provides construction and renovation unique in its diversity of applications unique application solutions. Maximum performance, safety and and performance. In addition, the MultiMaster impresses with high reliability are guaranteed with the FEIN MultiMaster. quality components and is an indispensible companion for trade and industrial professionals. Technology / Quality The Original Page 4 The MultiMaster Page 6 The MultiMaster Cordless Page 7 Accessories know-how Page 10 2 FEiN MultiMastEr Cordless – mobile and powerful. Your benefits with FEiN oscillating power tools: The new battery version makes the FEIN MultiMaster more flexible and convenient than ever. Cordless, but with identical performance, ɰ More than 40 year’s experience with oscillation technology. so work can be done anywhere, even without a power supply. And ɰ The high “Made in Germany” quality you expect. all this in the durable quality that you expect from a real Original. ɰ Unrivalled performance and versatility. ɰ Original FEIN accessories for perfect results and maximum tool life. -
Book-Matching Legs 1 Diagonally Opposed Legs
Tips & Tricks Switch location of Rotate remaining Book-matching legs 1 diagonally opposed legs. 2 legs 180°. When making a project with four square legs, such as the jewelry chest on page Use riftsawn stock 36, a nice visual touch is to configure the (with diagonal annular rings). legs to display book-matched grain when viewed from any side of the piece. Here’s how to do it: Begin with a square piece of riftsawn stock the length of the legs. It Triangle reference should be twice the thickness of a finished mark leg, plus about 1/4". Draw a triangle on one end, and then rip the piece into quarters to make four individual leg blanks. Using Book-matched Book-matched the triangle as a reference, reconstitute the faces faces pieces back into their original order, and number the ends as shown. Then switch the position of two diagonally placed legs, Share a Slick Tip. Win Cash or a Prize! and rotate the remaining two legs 180°. Awards Send your ideas to: Top Tip award: $250 Woodcraft Gift Card Tips & Tricks, Woodcraft Magazine, Maintaining this relationship of the legs Published illustrated tip: $125 P.O. Box 7020, Parkersburg, WV 26102-7020 on the project will create book-matched Published non-illustrated tip $75 or visit woodcraftmagazine.com and click “contact”. leg grain on each face of the piece. Important: Please include your phone number, as an editor may need to call you if your trick —Geoffrey Noden, Trenton, New Jersey is considered for publication. Published tips become the property of Woodcraft Magazine. -
Safe Hand Tool and Portable Power Tool Use and Inspections
Safe Tool Use • Wear appropriate Personal Protective Equipment. – All volunteers should have hard hats and safety glasses on at all times while on site. – In addition: • Provide dust masks (sanding, sweeping, insulating, etc.) • Provide ear plugs (power tools, work in enclosed spaces) • Provide knee pads, gloves, and any other safety equipment to increase comfort of crew members. Safe Tool Use • Do not allow the operation of tools without approval and supervision. – Make sure all members of your crews are trained to use the tools they need. – Remember: Everyone must get an orientation to all power saws before they use them, regardless of their personal experience. • Allow volunteers time to learn and encourage them to practice. – Make sure they are comfortable using tools after instruction. Safe Tool Use • Do not over-exert yourself or the tool. – This can lead to slips and strains. Encourage volunteers to take breaks rather than overexerting or straining themselves. • Place yourself in a good body position. – Most hand tool accidents result from being struck by the tool or flying chips. • Use only sharp knives, blades and bits. – Replace as necessary. Make sure volunteers are comfortable replacing bits and blades or coming to you when they need one replaced. Inspecting Hand Tools • Regularly inspect tools for broken or missing pieces. – Inspect screws, nuts, bolts and moveable parts to make sure they are tightened. – Check handles for cracks and splinters. – Never use tape to fix a handle; it is a direct OSHA violation. X • Do not use damaged tools. – Take the tool out of use , clearly label it and send it to the warehouse for repairs. -
The Circular Saw Blades Used in the Current Work Were Manufactured from Solid M2 HSS
INVESTIGATION OF THE WEAR AND FAILURE MODES OF SURFACE ENGINEERED MULTIPOINT CUTTING TOOLS. A thesis submitted for the fulfilment of the requirements for the degree of Master of Engineering at Dublin City University. Martin G. Fleming B Sc. Department of Mechanical and Manufacturing Engineering. August 1992 Supervisor: Prof. M S J. Hashmi " It is a good thing to have two ways of looking at a subject, and to admit that there are two ways of looking at it. " JAMES CLERK MAXWELL (1831-1879) TO MY FAMILY DECLARATION I hereby declare that all the work prepared in this thesis was carried out by me at EOLAS (The Irish Science & Technology Agency) during the period February 1990 to August 1992 To the best of my knowledge, the results presented in this thesis orginated from the present study except where references have been made No part of this thesis has been submitted for a degree at any other institution Signature of Candidate ¿ fa * ' Martin G Fleming ACKNOWLEDGEMENTS This current work, was only made possible through the kind assistance of a number of my colleagues in the Materials Technology and Ceramics Research Departments in EOLAS whose assistance and goodwill I have much appreciated. Firstly thanks are due to Dr. Tony Carroll, Head of the Materials Technology Department, EOLAS for allowing me to pursue this research through the Departments EC-BRITE Cutting Tool Research Project. I am indebted to Mr. Bill Hogan for his technical assistance and the many constructive discussions throughout my work in EOLAS. Further thanks are due to my colleagues namely Tony Horan, Richard Murphy, Colin Pope, Dr. -
Circular Saw Cutting Guides Fea- Tured in the Article in Woodsmith No
Online Extra Circular Saw Guide Cutting Guides Fence 60 The two circular saw cutting guides fea- tured in the article in Woodsmith No. 185 offer a big return for a small investment in time and material. The design is pretty Baseplate basic and once the guides are completed, 2!/2 #6 x %/8" Fh your cuts will be smoother, more accu- woodscrews rate, and require less effort. BASEPLATE. The long guide and the shorter crosscut guide share similar construction. 1 The basis of each is a ⁄4" hardboard base- Guide 12!/2 . Fence plate and a plywood fence. First, you’ll rgh. need to cut the baseplate to length and 32 approximate width. It should be wide enough to accommodate the shoe of your saw, the guide fence, and ample clamp- Cleat ing space on the far side of the fence. Baseplate 1 GUIDE FENCE. A ⁄2" plywood fence attached NOTE: Baseplate is made to the baseplate guides the saw. The edge from !/4"hardboard. Guide fences and cleat 1!/2 of the saw’s shoe rides along the fence are !/2" plywood. 12!/2 . rgh. during the cut. To ensure straight cuts, you want to make sure the guide edge of Attach cleat square #6 x %/8" Fh to reference edge woodscrews the fence is cut true and smooth. ASSEMBLE. Once the fence is attached, you’ll use your saw to trim the baseplate, creating an accurate reference edge. So installed from the underside of the base- important addition — a perpendicular before locating the fence on the base- plate to attach the fence. -
TABLE (CIRCULAR) SAW SAFETY INSTRUCTIONS 1. the Saw Blade
TABLE (CIRCULAR) SAW SAFETY INSTRUCTIONS 1. The saw blade should be raised no more than 1/8 inch above the stock. 2. The material edge that is held against the rip fence or miter gauge should be straight. 3. Be sure the blade does not contact the throat plate, the fence, or the guard before the power is turned on. 4. Clamp stop blocks to the table to prevent kickbacks before lowering material into the blade. 5. Do not use a dull blade. A dull blade tries to lift the work and throw it out of the machine. With a dull blade, you must push the work much harder and your hands are more likely to slip off of your work. 6. Resawing is not permitted on the table saw. 7. It is unsafe to cut round stock on the table (circular) saw. 8. Do not use both the rip fence and the miter gauge at the same time while cutting stock. 9. You must use a clearance block clamped to the fence for a stop block when using the miter gauge to make multiple cuts of the same length. 10. Use a push stick when ripping material less than 4 inches wide. 11. Ripping of any material less than 2 inches wide must be done by the instructor. 12. Do not stand in line with the blade while starting and operating the table (circular) saw. 13. Do not crowd or bind the saw blade. The work may break or be thrown from the machine and your hands may slip into the blade. -
Fire Before Matches
Fire before matches by David Mead 2020 Sulang Language Data and Working Papers: Topics in Lexicography, no. 34 Sulawesi Language Alliance http://sulang.org/ SulangLexTopics034-v2 LANGUAGES Language of materials : English ABSTRACT In this paper I describe seven methods for making fire employed in Indonesia prior to the introduction of friction matches and lighters. Additional sections address materials used for tinder, the hearth and its construction, some types of torches and lamps that predate the introduction of electricity, and myths about fire making. TABLE OF CONTENTS 1 Introduction; 2 Traditional fire-making methods; 2.1 Flint and steel strike- a-light; 2.2 Bamboo strike-a-light; 2.3 Fire drill; 2.4 Fire saw; 2.5 Fire thong; 2.6 Fire plow; 2.7 Fire piston; 2.8 Transporting fire; 3 Tinder; 4 The hearth; 5 Torches and lamps; 5.1 Palm frond torch; 5.2 Resin torch; 5.3 Candlenut torch; 5.4 Bamboo torch; 5.5 Open-saucer oil lamp; 5.6 Footed bronze oil lamp; 5.7 Multi-spout bronze oil lamp; 5.8 Hurricane lantern; 5.9 Pressurized kerosene lamp; 5.10 Simple kerosene lamp; 5.11 Candle; 5.12 Miscellaneous devices; 6 Legends about fire making; 7 Additional areas for investigation; Appendix: Fire making in Central Sulawesi; References. VERSION HISTORY Version 2 [13 June 2020] Minor edits; ‘candle’ elevated to separate subsection. Version 1 [12 May 2019] © 2019–2020 by David Mead All Rights Reserved Fire before matches by David Mead Down to the time of our grandfathers, and in some country homes of our fathers, lights were started with these crude elements—flint, steel, tinder—and transferred by the sulphur splint; for fifty years ago matches were neither cheap nor common. -
STYLE GUIDE – SANDER and SAW
STYLE GUIDE – SANDER and SAW This document is intended as a guidance to create effective, accurate product listings to improve your business potential. Amazon product detail page shows information about the product - including title, bullet points, product description and images. This information is crucial to ensure customers find and purchase your products. Providing a consistent format for your listings will better inform customers and enhance product discovery. In addition to using this document, we encourage you take advantage of the information available in our ‘Help pages’. 1. Title Guidelines: Product title is the first thing customers see when searching for a product. It is vital to have crisp and informative title for customers to find your products when they visit Amazon.in or search online. Recommended title format to use while listing Tent and related products: For the Parent and Standalone or Child of Variation Products for SANDER and SAW [Brand Name] + [Power Source Type] + [Name of the Product] + With + [Included Components] Examples for SANDER: 1. Bosch Corded Random Orbit Sander with Dust Collector and Carry Bag 2. Makita Corded Belt Sander with Abrasive Belt, 80G Belt and Dust Bag 3. RYOBI Cordless Sheet Sander with Batteries, Charger, Dust Collector and Bag Examples for SAW: 1. RYOBI Cordless Circular Saw with Lithium Ion Battery 2. DEWALT Cord Reciprocating Saw (Tool-Only) 3. DEWALT Cordless Band Saw Kit with (2) Batteries 5Ah, Charger and Case Sample values for [Name of the Product] under SANDERS and SAW: Belt Sanders; Combination disc & Belt Sanders; Detail Sanders; Disc Sanders; Sheet SANDER Sanders; Random Orbit Sanders; Drum Sanders etc, Saws; Band Saws; Circular Saws; Jig Saws; Metal cutting saws; Miter saws; Plunge Saws; SAW Reciprocating saws; Table Saws; Tile & Masonry saws etc, What to Do What Not to Do Capitalize the first letter of each word.