Introduction to Drafting Tools
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Fwd-Fuse Sides and Rear Top Skins.Doc
FORWARD FUSELAGE SIDES & REAR TOP SKINS WORK REPORT Step No. Check Parts / Tools Qty Preparations. 1 [ ] 6F5-3 Upper Front Longerons 2 2 [ ] 6F5-5 Heel Support 1 3 [ ] 6F5-2 Front Floor Skin 1 3 [ ] Firewall assembly 1 5 [ ] 6F12-2 Gusset 2 6 [ ] 6F13-6 Baggage Bottom Stiffener 1 6 [ ] 6F6-3 Rear Pick Up Channel 2 Torque tube 7 [ ] 6V12-4 Belt Attachment Doubler Plate 2 7 [ ] 6F16-1 Arm Rest Sides 2 9 [ ] 6V12-2 Rear Bearing 1 9 [ ] 1/8” Plastic Bearing Material 2 12 [ ] 6V13-3 Torque Tube (welded) 1 12 [ ] 6V13-2 Stop Ring 1 13 [ ] 6V13-1 Control Column (welded) 1 14 [ ] 6V13-4 Channel 1 15 [ ] 6V12-7 Bent Strip 1 Connect the Firewall & Rear Fuselage assemblies to the Center Wing Section 23 [ ] 6F13-1 Baggage Floor 1 23 [ ] L Angles 8 24 [ ] 6F6-1 Main Upright 2 25 [ ] 6F5-1 Fuselage Side Skin 2 27 [ ] 6F6-2 Gusset 2 31 [ ] 6F9-1 Gusset 2 32 [ ] 6F9-2 Gusset 1 34 [ ] 6F13-4 Corner Stiffener 1 35 [ ] 6F13-3 Seat Back Side Channel 2 36 [ ] 6F13-2 Center Seat Back Channel 1 Rear top skins 37 [ ] 6F11-3 B4 Bulkhead 1 37 [ ] 6F11-1 B6 Bulkhead 1 37 [ ] 6F11-2 B5 Bulkhead 1 40 [ ] 6F14-1 Rear Top Skin 1 41 [ ] 6F12-1 B3 Tube Frame 1 42 [ ] 6F14-2 Middle Top Skin 1 43 [ ] 6E1-2 B2 Tube Frame 1 44 [ ] 6E1-3 Gusset 2 SIGNATURES: Builder ________________________________ Date . Inspected by __________________________ Date . FORWARD FUSELAGE SIDES & REAR TOP SKINS ZODIAC CH 601 HD / HDS Zenith Aircraft Company: www.zenithair.com Print Date: 10/25/01 1. -
Standard Scales SERIES 182 — Made of Low-Expansion Glass
Standard Scales SERIES 182 — Made of Low-Expansion Glass FEATURES • High-precision glass scales manufactured under Mitutoyo’s leading-edge Linear Scale 182-502-50 production technology. Technical Data • High accuracy is guaranteed to be used as Accuracy (at 20°C): (0.5+L/1000)µm, a standard for calibrating graduated scales. L = Measured length (mm) Glass material: Low expansion glass Thermal expansion coefficient: 8x10-8/K Graduation: 1mm 182-501-50 Graduation thickness: 4µm Mass: 0.75kg (250mm), 1.8kg (500mm) DIMENSIONS SPECIFICATIONS Unit: mm Metric À>`Õ>Ì ,>}i / £ Range Order No. L W T 250mm 182-501-50 280mm 20mm 10mm { 7 250mm 182-501-60* 280mm 20mm 10mm Ó À>`Õ>ÌÊÌ ViÃÃ\Ê{ 500mm 182-502-50 530mm 30mm 20mm x }iÌÊ>ÀÊÌ ViÃÃ\ÊÓä 500mm 182-502-60* 530mm 30mm 20mm *with English JCSS certificate. Working Standard Scales SERIES 182 FEATURES 182-525-10 • High-precision glass scales 182-523-10 manufactured under Mitutoyo’s leading-edge linear scale 182-522-10 Technical Data production technology. Accuracy (at 20°C): (1.5+2L/1000)µm, • Ideal for checking magnification 182-513-10 L = Measured length (mm) accuracy of profile projectors Glass material: Sodium glass Thermal expansion coefficient: 8.5x10-6/K and microscopes, and the table Graduation: 0.1mm (thickness: 20µm) feeding accuracy of measuring 0.5mm (thickness: 50µm) equipment. 1mm (thickness: 100µm) DIMENSIONS £ä Unit: mm À>`Õ>Ì £ ä°£Ê}À>`Õ>Ì ,i}i Ó°Ç ä°£Ê}À>`Õ>Ì SPECIFICATIONS Ó°x Metric ΰx ÓÓ x Range Order No. -
Caliper Abuse for Beginners a Guide to Quick and Accurate Layout Using Digital Calipers
Caliper Abuse for Beginners A Guide to Quick and Accurate Layout Using Digital Calipers charles z guan productions 21 Mar 2010 In your 2.007 kit, you have been provided with a set of 6” (150mm) digital calipers. You should use these not only for measuring and ascertaining dimensions of parts, but for accurate positioning of holes and other features when manually fabricating a part. Marking out feature positions and part dimensions using a standard ruler is often the first choice for students unfamiliar with engineering tools. This method yields marginal results and usually results in parts which need filing, sanding, or other “one-off” fitting. This document is intended to exposit a fairly common but usually unspoken shortcut that balances time spent laying out a part for fabrication with reasonably accurate results. We will be using a 3 x 1” aluminum box extrusion as the example workpiece. Let's say that we wanted to drill a hole that is 0.975” above the bottom edge of this piece and 1.150” from the right edge. Neither dimension is a common fraction, nor a demarcation found on most rulers. How would we drill such a hole on the drill press? Here, I have set the caliper to 0.975”, after making sure it is properly zeroed. Use the knurled knob to physically lock the caliper to a reading. These calipers have a resolution of 0.0005”. However, this last digit is extremely uncertain. Treat your dimensions as if Calipers are magnetic and can they only have 3 digits attract dirt and grit. -
FIELD EXTENSIONS and the CLASSICAL COMPASS and STRAIGHT-EDGE CONSTRUCTIONS 1. Introduction to the Classical Geometric Problems 1
FIELD EXTENSIONS AND THE CLASSICAL COMPASS AND STRAIGHT-EDGE CONSTRUCTIONS WINSTON GAO Abstract. This paper will introduce the reader to field extensions at a rudi- mentary level and then pursue the subject further by looking to its applications in a discussion of some constructibility issues in the classical straight-edge and compass problems. Field extensions, especially their degrees are explored at an introductory level. Properties of minimal polynomials are discussed to this end. The paper ends with geometric problems and the construction of polygons which have their proofs in the roots of field theory. Contents 1. introduction to the classical geometric problems 1 2. fields, field extensions, and preliminaries 2 3. geometric problems 5 4. constructing regular polygons 8 Acknowledgments 9 References 9 1. Introduction to the Classical Geometric Problems One very important and interesting set of problems within classical Euclidean ge- ometry is the set of compass and straight-edge questions. Basically, these questions deal with what is and is not constructible with only an idealized ruler and compass. The ruler has no markings (hence technically a straight-edge) has infinite length, and zero width. The compass can be extended to infinite distance and is assumed to collapse when lifted from the paper (a restriction that we shall see is irrelevant). Given these, we then study the set of constructible elements. However, while it is interesting to note what kinds objects we can create, it is far less straight forward to show that certain objects are impossible to create with these tools. Three famous problems that we will investigate will be the squaring the circle, doubling the cube, and trisecting an angle. -
Drafting Machines and Parts Threof from Japan
DRAFTING MACHINES AND PARTS THEREOF FROM JAPAN Determination of the Commission in Investigation No. 731-T A-432 (Final} Under the Tariff Act of 1930, Together With the Information Obtained in the Investigation USITC PUBLICATION 2247 DECEMBER 1989 United States International Trade Commission Washington, DC 20436 UNITED STATES INTERNATIONAL TRADE COMMISSION COMMISSIONERS Anne E. Brunsdale, Chairman Ronald A. Cass, Vice Chairman Alfred E. Eckes Seeley G. Lodwick David B. Rohr Don E. Newquist Staff assigned: Elizabeth Haines, Investigator Catherine DeFilippo, Economist Marshall Wade, Financial Analyst Ruben Moller, Industry Analyst William Kane, Attorney George Deyman, Supervisory Investigator Address all communications to Kenneth R. Mason, Secretary to the Commission United States International Trade Commission Washington, DC 20436 CONTENTS Determination and Views of the Commission: Determination ..........•........... ~. .... 1 Views of the Conunission •••••••••••••.•••• ............. 3 Views of Chairman Anne E. Brunsdale •••••• . • . .. .. ... .. ... 21 Additional Views of Vice Chairman Ronald A. Cass •••• ....... • _35 Additional Views of Conunissioner Eckes ••••• .. • ......... ............ 67 Information obtained in the investigation: Introduction •••••• .................. ·• ........ A-1 Background ••••••••• ..... •· .. A-2 Nature and extent of sales at LTFV •••• .............. ............ A"."'2 The product: Description and uses .••••••••••• . .. ............. A-3 Track drafting machine •••••••. .. .. ..... ...... A-3 Band-and-pulley -
Schut for Precision
Schut for Precision Protractors / Clinometers / Spirit levels Accuracy of clinometers/spirit levels according DIN 877 Graduation Flatness (µm) µm/m " (L = length in mm) ≤ 50 ≤ 10 4 + L / 250 > 50 - 200 > 10 - 40 8 + L / 125 L > 200 > 40 16 + / 60 C08.001.EN-dealer.20110825 © 2011, Schut Geometrische Meettechniek bv 181 Measuring instruments and systems 2011/2012-D Schut.com Schut for Precision PROTRACTORS Universal digital bevel protractor This digital bevel protractor displays both decimal degrees and degrees-minutes-seconds at the same time. Measuring range: ± 360 mm. Reversible measuring direction. Resolution: 0.008° and 30". Fine adjustment. Accuracy: ± 0.08° or ± 5'. Delivery in a case with three blades (150, 200 Mode: 0 - 90°, 0 - 180° or 0 - 360°. and 300 mm), a square and an acute angle On/off switch. attachment. Reset/preset. Power supply: 1 battery type CR2032. Item No. Description Price 907.885 Bevel protractor Option: 495.157 Spare battery Single blades Item No. Blade length/mm Price 909.380 150 909.381 200 909.382 300 909.383 500 909.384 600 909.385 800 C08.302.EN-dealer.20110825 © 2011, Schut Geometrische Meettechniek bv 182 Measuring instruments and systems 2011/2012-D Schut.com Schut for Precision PROTRACTORS Universal digital bevel protractor This stainless steel, digital bevel protractor is Item No. Description Price available with blades from 150 to 1000 mm. The blades and all the measuring faces are hardened. 855.820 Bevel protractor Measuring range: ± 360°. Options: Resolution: 1', or decimal 0.01°. 495.157 Spare battery Accuracy: ± 2'. 905.409 Data cable 2 m Repeatability: 1'. -
6. Determination of Height and Distance: Theodolite
Geography (H), UG, 2nd Sem CC-04-TH: Thematic Cartography 6. Determination of Height and Distance: Theodolite What is Theodolite? A Theodolite is a measuring instrument used to measure the horizontal and vertical angles are determined with great precision. Theodolite is more precise than magnetic compass. Magnetic compass measures the angle up to as accuracy of 30’. Anyhow a vernier theodolite measures the angles up to and accuracy of 10’’, 20”. It is of either transit or non- transit type. In Transit theodolites the telescope can rotate in a complete circle in the vertical plane while Non-transit theodolites are those in which the telescope can rotate only in a semicircle in the vertical plane. Types of Theodolite A Transit Theodolite Non transit Theodolite B Vernier Theodolite Micrometer Theodolite A I. Transit Theodolite: a theodolite is called transit theodolite when its telescope can be transited i.e. revolved through a complete revolution about its horizontal axis in the vertical plane. II. Non transit Theodolite: the telescope cannot be transited. They are inferior in utility and have now become obsolete. Kaberi Murmu B I. Vernier Theodolite: For reading the graduated circle if verniers are used, the theodolite is called a vernier theodolit. II. Whereas, if a micrometer is provided to read the graduated circle the same is called as a Micrometer Theodolite. Vernier type theodolites are commonly used. Uses of Theodolite Theodolite uses for many purposes, but mainly it is used for measuring angles, scaling points of constructional works. For example, to determine highway points, huge buildings’ escalating edges theodolites are used. -
Pottery Throwing Tools
ceramic artsdaily.org pottery throwing tools a guide to making and using pottery tools for wheel throwing This special report is brought to you with the support of MKM Pottery Tools www.ceramicartsdaily.org | Copyright © 2010, Ceramic Publications Company | Pottery Throwing Tools | i Pottery Throwing Tools A Guide to Making and Using Pottery Tools for Wheel Throwing For many years potters had to make their own tools because commercial tools were just not available. That’s all changed today as many manufacturers make a wide selection of tools to fill most of the pottery throwing needs for ceramic artists. However, for the potter with special needs or who wants a special tool, making your own tools is both creative and fun— plus you get tools that may not be available anywhere else. How to Make and Use Bamboo Tools by Mel Malinowski There’s a nostalgia for making handmade tools and bamboo is one of the best materials for making long-lasting durable pottery throwing tools. The material is easy to shape and readily available. How to Make Ergonomic Pottery Throwing Sticks by David Ogle Pottery throwing sticks are a potters best friend when it comes to throwing tall, narrow or closed forms. Held in the hand, these versatile tools can reach places no hand could touch. And if you can’t find ones to buy that work for you, David Ogle shows you the step-by-step process for making your own. How to Use a Throwing Stick by Ivor Lewis Pottery throwing sticks are hand-held tools that are a potter’s best friend when it comes to throwing tall, narrow or closed forms. -
Surprising Constructions with Straightedge and Compass
Surprising Constructions with Straightedge and Compass Moti Ben-Ari http://www.weizmann.ac.il/sci-tea/benari/ Version 1.0.0 February 11, 2019 c 2019 by Moti Ben-Ari. This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA. Contents Introduction 5 1 Help, My Compass Collapsed! 7 2 How to Trisect an Angle (If You Are Willing to Cheat) 13 3 How to (Almost) Square a Circle 17 4 A Compass is Sufficient 25 5 A Straightedge (with Something Extra) is Sufficient 37 6 Are Triangles with the Equal Area and Perimeter Congruent? 47 3 4 Introduction I don’t remember when I first saw the article by Godfried Toussaint [7] on the “collapsing compass,” but it make a deep impression on me. It never occurred to me that the modern compass is not the one that Euclid wrote about. In this document, I present the collapsing compass and other surprising geometric constructions. The mathematics used is no more advanced than secondary-school mathematics, but some of the proofs are rather intricate and demand a willingness to deal with complex constructions and long proofs. The chapters are ordered in ascending levels of difficult (according to my evaluation). The collapsing compass Euclid showed that every construction that can be done using a compass with fixed legs can be done using a collapsing compass, which is a compass that cannot maintain the distance between its legs. -
Ruler and Compass Constructions and Abstract Algebra
Ruler and Compass Constructions and Abstract Algebra Introduction Around 300 BC, Euclid wrote a series of 13 books on geometry and number theory. These books are collectively called the Elements and are some of the most famous books ever written about any subject. In the Elements, Euclid described several “ruler and compass” constructions. By ruler, we mean a straightedge with no marks at all (so it does not look like the rulers with centimeters or inches that you get at the store). The ruler allows you to draw the (unique) line between two (distinct) given points. The compass allows you to draw a circle with a given point as its center and with radius equal to the distance between two given points. But there are three famous constructions that the Greeks could not perform using ruler and compass: • Doubling the cube: constructing a cube having twice the volume of a given cube. • Trisecting the angle: constructing an angle 1/3 the measure of a given angle. • Squaring the circle: constructing a square with area equal to that of a given circle. The Greeks were able to construct several regular polygons, but another famous problem was also beyond their reach: • Determine which regular polygons are constructible with ruler and compass. These famous problems were open (unsolved) for 2000 years! Thanks to the modern tools of abstract algebra, we now know the solutions: • It is impossible to double the cube, trisect the angle, or square the circle using only ruler (straightedge) and compass. • We also know precisely which regular polygons can be constructed and which ones cannot. -
Carpentry T-Chart
Carpentry (46.0201) T-Chart Apply geometric concepts to model and solve real world Cut trim for different shapes using degree and angles = problems Program Task: Assemble different shapes by using a PA Core Standard: CC.2.3.HS.A.14 compound miter saw; measure and compare the angles in degrees. Description: Apply geometric concepts to model and solve real world problems. Program Associated Vocabulary: Math Associated Vocabulary ANGLE, BEVEL, DEGREE, MITER, PERPENDICULAR ANGLE, DEGREES, INTERIOR ANGLES, EXTERIOR ANGLES, VERTICAL ANGLES, CORRESPONDING ANGLES, PARALLEL, TRANSVERSAL Program Formulas and Procedures: Formulas and Procedures: Carpenters often use a compound miter saw to install trim. Read angle measurement The most common angle is the 45 ° angle. Trim is installed here. Make sure you read the around doors and windows. The vertical and horizontal Reading a protractor: number that started from zero casing makes a square 90 °. The vertical and horizontal casing that is installed must be cut on a 45 ° angle. where the angle begins. (n - 2)×180 Each Corner of a Polygon = n Where n is the number of sides. Start here, where the angle begins. A square has 4 sides. (4 2) 180 Each corner = 90 4 Each angle cut = 45 ° Line up angle vertex here. Two parallel lines cut by a transversal: 1 2 m A hexagon has six sides. 3 4 (6 2) 180 Each corner = 120 6 5 n Each angle cut = 60 ° 6 7 8 l Angles 1&4, 2&3, 5&8, 6&7 are vertical angles. Angles 1&5, 2&6, 3&7, 4&8 are corresponding angles. -
PRECISION ENGINEERING TOOLS WE HAVE WHAT IT TAKES to EXCEED & EXCEL the Plant
PRECISION ENGINEERING TOOLS WE HAVE WHAT IT TAKES TO EXCEED & EXCEL The plant. The people. The passion 500,000 sq ft manufacturing | integrated research & development | advanced cnc machining | quality assurance Groz has always exceeded the expectations of tool manufacturers and users the world over. Groz carefully makes each tool under stringent quality control processes that are achieved in a hi-tech manufacturing environment in a 500,000 square foot plant. If you demand quality, trust Groz. ADDITIONS 07 08 Straight Straight & Edge Knife Edges Squares Dear Valued Customer, It is my pleasure to present to you the new catalogue that covers our 13 17 range of Precision Engineering Multi-Use Magnetic Tools. Rule and Compass Gauge We have covered fair ground over the last few years and with our state-of-the art production facility, we can now do much more 22 31 than before. You will see many Electronic Adjustable technologically superior products Edge Finders Vee Block Set as well as modifications to some of the earlier designs, in the following pages. Further, I assure you of the same top performance to which you are accustomed to from Groz. 31 35 Ball Bearing Pot We appreciate your business and Vee Block & Magnets value your loyalty & trust. Clamp Sets Warm Regards, 37 38 Sine Bars Sine Plates ANIL BAMMI Managing Director 46 49 Tweezersezers Tap Wrenchesnches - Prefessionalnal 68 7777 Rotaryry RRapidap Headd AActionct Millingng DDrillri Pressressess VicesVices Machinehine VicesVi CA02 PRECISION ENGINEERING TOOLS 1 Measuring and Marking