http://www.sheetmetalworkbook.com DVC Planners Precision Sheet Metal Layout Manual #1, The FREE Online Version. A basic workbook to teach all about developing sheet metal flat patterns. en-us Tue, 07 Sep 2010 00:52:17 CDT Tue, 07 Sep 2010 00:52:17 CDT http://www.sheetmetalworkbook.comhttp://www.sheetmetalworkbook.com/My_Account/cgi-bin/tools/logos/sheetmetalworkbook.com.png http://www.sheetmetalworkbook.com/ DVC Planners Precision Sheet Metal Layout Manual #1, The FREE Online Version. A basic workbook to teach all about developing sheet metal flat patterns. Tue, 07 Sep 2010 00:52:17 CDT http://www.sheetmetalworkbook.com/articles/59857/Page-15-Problem-Solving... Problem Solving 1. What is the diameter of the circle?___________________________ 2. What is the circumference of the circle?______________________ 3. How many degrees is the angle A?____________________________ 4. How many degrees is the angle B?____________________________ 5. What is the length of the line ... 2010-04-08 http://www.sheetmetalworkbook.com/articles/35875/Page-3-English-Decimal... ENGLISH DECIMALS Just a little note about English decimals. In the precision sheet metal trade we work with dimensions either in English or Metric units. When working in English units our dimensions are based on a piece of measurement called an inch. There are still a lot of places using fractions of an inch on their blueprin... 2009-09-29 http://www.sheetmetalworkbook.com/articles/34851/Page-2-Order-in-the-Math... ORDER IN THE MATH When doing mathematical equations there is a rule that we must follow. A fancy term for this is mathematical hierarchy. This is a very important rule, if you don't follow it you can make some big time mistakes. One good thing about math rules (unlike English) there are no exceptions. Most good calculators will f... 2009-09-22 http://www.sheetmetalworkbook.com/articles/34446/Page-14-Solving-Triangles... SOLVING TRIANGLES 1. C =_________2. D =_________3. E =_________ The Following problem will probably be one of the most frequent trig problems that you will encounter while developing flat patterns with acute bend angles (See Acute Bends Page:40... 2009-09-20 http://www.sheetmetalworkbook.com/articles/34291/Page-13-Intersecting-Lines-and-Angle-Relations... INTERSECTING LINES AND ANGLE RELATIONS The two horizontal line segments are parallel to each other and perpendicular to the vertical line segment. For this illustration the # angle should not be less than 90 degrees and the * angle should not be greater than 90 degrees although most of the relations will ... 2009-09-19 http://www.sheetmetalworkbook.com/articles/26255/Page-12:-Pythagorean-Theorem... PYTHAGOREAN THEOREM A2+ B2= C2 NOTE DIAGRAM BELOW:A2+ B2= C216 + 9 = 25 Alterations ofPythagorean Theorem C2- B2= A2 25 - 9 = 16 C2- A2= B2&n... 2009-08-24 http://www.sheetmetalworkbook.com/articles/18636/Page-10:-Right-Angle-Triangles... &n RIGHT ANGLE TRIANGLES The right angle triangle is a very important and useful tool in sheet metal flat pattern development. Triangle rules state that the sum of all three angles in a triangle = 180°. If one angle = 90° then it is called a right angle triangle. If there is at least two known ... 2009-07-05 http://www.sheetmetalworkbook.com/articles/18645/Page-11:-Where-Two-Sides-are-Known... WHERE TWO SIDES ARE KNOWN Now you try it! THREE MORE IMPORTANT KEYS: sin-1cos-1tan-1 IF TWO SIDES ARE KNOWN SOLVE&nb... 2009-07-05 http://www.sheetmetalworkbook.com/articles/16134/Page-8--Looking-at-Trig... LOOKING AT TRIGONOMETRY A COMMON SENSE APPROACH Let's take a common sense approach looking at right angle triangles and how trigonometry is used. Every book you learned from probably dealt with terms like side adjacent, side opposite, etc. etc... Well I am going to use easy terms like... 2009-06-12 http://www.sheetmetalworkbook.com/articles/16151/Page-9:-Common-Sense-Formulas... SOME COMMON SENSE FORMULAS: IF YOU KNOW TWO SIDES And you want to know an angle. Use Sketch Below(from page 8) * If you know the legs only use the inverse tangent. Examples: &nbsp... 2009-06-12 http://www.sheetmetalworkbook.com/articles/14088/Page-7:Triangles... TRIANGLES Facts: 1. Has 3 angles and 3 sides. 2. Sum of all angles = 180 degrees 3. Isosceles triangle has two sides that are equal 4. Equilateral triangle has three equal sides And three equal angles, which are always 60 degrees each, (180 ÷ 3) remember rul... 2009-05-30 http://www.sheetmetalworkbook.com/articles/13979/Page-6:-Circles... CIRCLES Circle: Every point on a circle is equidistance from some fixed point, which is the center. A circle is divided into 360 degrees. Only one circle can pass through three points not in a straight line. Chord: A length of ... 2009-05-28 http://www.sheetmetalworkbook.com/articles/11859/Page-5:-Planes,-Plane-and-Solid-Geometry... PLANES, PLANE AND SOLID GEOMETRY The kind of geometry that we will be using in this manual is called plane geometry. Plane geometry deals with points, lines, polygons (A shape with more than two sides, i.e. square, triangle, hexagon, etc.) and circles on a flat surface (plane). Sheet metal flat patterns are done in plane geom... 2009-05-16 http://www.sheetmetalworkbook.com/articles/7191/DVC-Planners-Layout-Manual-TOC... Please Donate if you find this workbook useful and to help me keep improving the online version. We are Thankful for any and all amounts! Even the smallest amount is appreciated and beneficial. So far as of 09/29/09 no one has donated anything and this site gets about 30 hits per day. So if you are thinking :man I bet he gets h... 2009-04-19 http://www.sheetmetalworkbook.com/headlines/news/Laser Fabrication Laser Fabrication News Headline :DVC Planners Precision Sheet Metal Layout Manual #1, The FREE Online Version. A basic workbook to teach all about developing sheet metal flat patterns. Tue, 07 Sep 2010 00:52:17 CDT http://www.sheetmetalworkbook.com/resources/partners Other Resources :DVC Planners Precision Sheet Metal Layout Manual #1, The FREE Online Version. A basic workbook to teach all about developing sheet metal flat patterns. Tue, 07 Sep 2010 00:52:17 CDT http://www.sheetmetalworkbook.com/exm/Precision_Measuring_Tools/     2009-05-01 http://www.sheetmetalworkbook.com/exm/Buy_Printed_Manual/ 2009-05-28 http://www.sheetmetalworkbook.com/exm/Other_Books/   ... 2009-06-06 http://www.sheetmetalworkbook.com/exm/Software_and_Calculators/   ... 2009-06-12 http://www.sheetmetalworkbook.com/exm/Forum/ Sheet Metal Forum,   All about Sheet Metal Layout related with Cad/Cam. Your input is very helpful.Sheet Metal Cad/Cam ... 2010-01-22 http://www.sheetmetalworkbook.com/news/993869/-Technologys-Biggest-Myths... Expensive cables are better! Defragging speeds up your PC! Refilling ink cartridges ruins your printer! We put these and nine other claims to the test to find the truth behind techs tallest tales. Printer - Ink cartridge - Hardware - Peripherals - Supplies... Sun, 22 Aug 2010 20:55:17 -0700 http://www.sheetmetalworkbook.com/news/993870/-First-of-a-Kind-Laser-Tube-Cutting-System-Installed-in-Ohio... Ohio Laser LLC is adding a new 3600 Watt Trumpf TruLaser 7000 laser tube cutting system to its high-tech metal fabrication business. Industry experts consider this laser tube cutting system to be one of the most advanced in the world. Â It is the first system of its kind in Ohio and the Midwest. Â... Tue, 17 Aug 2010 15:55:00 -0700 http://www.sheetmetalworkbook.com/news/993871/-Axis-Introduces-Compact-A20-Wake-Boat-for-2011... Axis Wake Research wakeboard boat design meets performance and budget in a compact 20-foot package.... Fri, 20 Aug 2010 00:01:00 -0700 http://www.sheetmetalworkbook.com/news/993872/-Zygo-Returns-to-Profitability-in-Fourth-Quarter-and-Reports-Fiscal-2010-Results... Q4 Bookings Increase 121% Year Over Year... Thu, 19 Aug 2010 13:09:49 -0700 http://www.sheetmetalworkbook.com/news/993873/-Myrtle-Beach-Gets-New-Beachfront-Seating-from-National-Metal-Fabricators-(NMF)-and-Doty-...... Sheet metal fabrication company National Metal Fabricators (NMF), teams up with Doty & Sons Concrete, a decorative concrete structures company, to create new corrosion resistant seating along Myrtle Beach walkway. ELK GROVE VILLAGE, Ill., Aug. 12 -- National Metal Fabricators today announced recently that they have completed a multi-faceted and un... Tue, 17 Aug 2010 05:50:58 -0700 http://www.sheetmetalworkbook.com/news/993874/-Multi-nation-investments-push-LEDs-center-stage... Two recent corporate collaborations paint a brighter future for LEDs. Epistar Corp. has injected some funds into Oree Inc. for the development of its flat solid state light source, dubbed the light cell, Oreeslight source is thin and flat, about the size of a credit card.... Tue, 17 Aug 2010 09:10:19 -0700 http://www.sheetmetalworkbook.com/news/993875/-EB-Industries-Advances-Laser-Hermetic-Sealing-Process... Farmingdale, NY, -- EB Industries, a leading provider of welding, laser welding, and hermetic sealing services, has recently developed a process for hermetically sealing parts that provides precise control of internal pressure anywhere from 10-3 ATM vacuum and up to 3 ATM pressure. This process also allows for the backfill of any gas provided it i... Wed, 11 Aug 2010 06:01:50 -0700 http://www.sheetmetalworkbook.com/news/993876/-Dragged-there-to-learn,-kids-have-a-blast-at-camp... ELYRIA - Budding entrepreneurs got a chance to use their hands - and their brains - all week at a summer camp thanks to a foundation founded by actor John Ratzenberger. Dont recognize the name? Well, how about Cliff, the know-it-all mailman on Cheers? Yeah, thats John Ratzenberger. The 22 boys and four girls attending Techknowledge! Summer [...]... Fri, 13 Aug 2010 23:39:43 -0700 http://www.sheetmetalworkbook.com/news/993877/-The-Bottomless-Cargo-Container... August 14, 2010: U.S. SOCOM (Special Operations Command) has adopted an old U.S. Army concept to create mobile workshops (MTCs or Mobile Technology Complex) that can fix exotic gear (which SOCOM has a lot of), modify their special gear, or even create something new.... Sat, 14 Aug 2010 02:38:56 -0700 http://www.sheetmetalworkbook.com/news/993878/-Myrtle-Beach-Gets-New-Beachfront-Seating-From-National-Metal-Fabricators-(NMF)-and-Doty-&-Sons... National Metal Fabricators today announced recently that they have completed a multi-faceted and unique construction project with Doty & Sons Concrete, a provider of decorative concrete products.... Thu, 12 Aug 2010 06:32:00 -0700