3-D WORLD Volume 6, Number 2 Annual Subscription: $29.95
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News For The CADKEY User Spring 1992 3-D WORLD Volume 6, Number 2 Annual Subscription: $29.95 "We don't make them like we used to; we make them better!" CAD KEY and Craftsmanship Go Hand in Hand! Two-person kayak and paddles, designed with CADKEYand Martin Dreadnought guitar, crafted by hand, with tooling CADKEY SURFACES, in competition. designed using CADKEY. Composite Engineering Builds Sound Makes Martin Guitars Winning Aquatic Racing Gear "the Stradivarius of Guitars" The stroke of a paddle ... the lightness-with C.F. Martin Company of Nazareth, Pennsylvania, rigidity of a canoe or kayak riding in the water ... travels in some very elite circles: historical, musical, these, combined with the skill of the athlete, can and technological. C.F. Martin is one of a handful of make the difference between being a winner or an companies in the United States that still operates also-ran in competition. Composite Engineering of under the active Concord, Massachusetts, fuses CADKEY'R' and management of its CADKEY") SURFACES with hand craftsmanship to original founding IN THIS ISSUE: produce championship-level, aquatic racing family, after more equipment. Composite Engineering is supplying than 150 years. c:> CADKEY 5 Delivers racing shells, canoes, kayaks, and paddles to the Its products, Innovative Capabilities ........... 3 U.S. Rowing Team and the U.S. Canoe and Kayak acoustic guitars, 3-D WORLD and Team participating in the 1992 Summer Olympic are renowned Reference Point.. ........ ........... 3 Games in Barcelona, Spain. around the world c:> Running CADKEY and "If you have ever paddled a canoe or a kayak," for the quality of CADKEY SOLIDS with said James Lawrence, Director of Engineering at their sound and DOS 5.0................................... 5 Composite Engineering, "you know that when you craftsmanship. c:> VPI Students Help Design insert a regular paddle into the water and pull it Their sound has Olympic Bobsleds .................. .. 9 back, it propels the craft forward, but there are lots given Martin CADL Programs Become of little whirlpools around the paddle blade. Some guitars a nick Building Blocks ..................... 10 of these vortices represent energy that has been name as "the c:> CADKEY Training Centers ... ll lost, energy expended that does not move the craft Stradivarius of c:> ABCs of CDE ........................ .13 forward." Composite Engineering's newest design guitars." And, I:) Third-Party New ....... 16, 17, 18, for kayak paddles is a modification of the wing the guitar makers 19,23 shaped paddles developed since 1981 by Swedish of C.F. Martin c:> Variety of Entrants Spark and Norwegian canoeists Stefan Lindeberg, Lief Company combine Drawing Contest.. ................. 20 Hakensson, and Einar Rasmussen. These their age-old tradi- c:> New Brunswick's Unique (Continued on page 6) (Continued on page 2) Training Program.................. 21 3D SPRING Martin Guitars Bob Headman, Mechanical mUSICIan. Many companies (Continued from page 1) Engineer at C.F. Martin. make guitars. The major differ ence in our guitars is the sound. tion of high-quality hand Hand Craftsmanship, CAD We sell sound. Our guitars have craftsmanship with CADKEY to and CAM? become the standard definition of produce even better guitars. "We still make all of our the acoustic guitar." Chris Martin, Chairman of guitars by hand," Bob continued. Bob gave examples of the the Board and CEO ofC.F. "However, we use CADKEY to subtle radii which affect the way Martin Company, is the great, design the tooling to make the a guitar sounds. "For example, a great, great grandson of parts that go into a guitar." To flat-topped guitar is not actually Christian Frederick Martin, design the tooling to make the flat-topped," he said. "There is Senior, who founded the parts requires designing the an arc to the top whose radius is, company in 1833. Born in 1796, guitar first. Some 90 parts, not in reality, 42 feet long. You need Christian Frederick Martin, counting ornamentation, go into to use a spline to design that. Senior, belonged to a family of the making of a guitar. Nearly Another example is the back of cabinet makers in the area of all of these parts are made of our Dreadnought guitar. The Markneukirchen, a town in the wood. "Our major use for perimeter of the body on the Ore Mountains of Germany CADKEY is to quantify what has Dreadnought's back surface is a bordering Czechoslovakia. historically been done through 62-inch 3-D spline. A third However, he and his father, hand craftsmanship, and to example is the guitar's bridge. Johann Georg Martin, also made improve the fit of the parts in the The bridge is a matrix guitars. A dispute between the assembled guitar. We use combination of 3-D splines both Martin family, who were CADKEY's 2-D and 3-D splines a in the X and Y planes." members of the Cabinet Makers lot. We use CADKEY to define On an acoustic guitar, the Guild, and the Violin Makers the surface area that we need to interplay of the vibration of each Guild, convinced Christian and cut. Then we use CADKEY to string when plucked by the his wife, Ottilie, to emigrate with design the tooling, the fixtures, musician, the transmission of their children to the young and the cutters that we need to this vibration through the bridge United States in 1833, where do the cutting." C.F. Martin has into the wood of the guitar's top, they hoped to find better its own computer-numerical the vibration of the top of the opportunities. Upon arriving in control machine shop to make guitar's body, the reverberation New York City, Christian and the tooling and fixtures. Their of this vibration inside the Ottilie immediately opened a CADKEY files serve as input to guitar's body, the tonal qualities small retail music store which the CNC system. of the wood used in the guitar's included a shop for making body, the shape and depth of the guitars. However, they were not Curves, and More Curves body, the size and location of the comfortable living in New York. "There are relatively few bridge and sound hole, even the They missed German-speaking straight lines on a guitar," Bob varnish, all affect the clarity, neighbors and the hilly terrain of added. "Everywhere a guitar range, resonance, and volume of the Ore Mountains. In 1839, has curves which often have very the guitar's tone. A deep body Christian and Ottilie moved subtle radii, so subtle that the tends to emphasize the bass their family and guitar-making human eye frequently does not sounds and to increase volume. business to Nazareth, Penn perceive them. But, these radii A shallow body tends to empha sylvania, a small town with a affect the aesthetic appearance of size the treble sounds and to German heritage, in the rolling the guitar, its tonality through diminish volume. Producing the hills of the Blue Mountains. the stiffness of the wood, and the correct tonal balance in a Nazareth remains to this day the way it plays in the hands of the guitar's performance depends home of C.F. Martin Company. upon the type of music to be Chris Martin, the current CEO, IGESTOOLS played, as well as on the tastes of actively participates in the day CALS Conformance Checking • (Continued on page 9) to-day management of the IGES Translation and Verification • company. "He looks out for his CAD/CAM Graphic Viewing Software • 3·0 WORLD is published quarterly by company and his people," said IGES/CALS Quality Control Tools • Cadkey, Inc., 4 Griffin Road North, Windsor, Custom IGES Software • CT 06095-1511 . Editor: Frank Simpson Technical Support Hours .I..-DS! Free pc;'''- Contributing Editors; Maribeth Schneider Monday-Thursday 5 a.m.-8 p.m. Mary Beth Staron Friday 5 a.m.-5 p.m. For additional copies, changes in mailing \1I1.- D- 2X()()() IGES CAI.S ,uh,ch I- IV address, information about 3·0 WORLD, Special Telephone for calls TELEPHONE: (203) 298-8888 from 5 a.m. to 8 a.m.: 708-449-3430 FAX: (203) 298-6401 (203) 298-6470. IGES De'" Anelyllle © Copyright 1992 by Cadkey, Inc. All rights tI' 5670 McDermott Dr. • Berkeley IL 60163 reserved. 2 CADKEV 5 Delivers Innovative Drafting and Customization Capabilities On April 15, 1992, Cadkey concurrent engineering. In drivers offer anti-aliasing and Inc. shipped CADKEY<') 5 to our addition to the ability to user-selectable fonts, and they e value-added resellers and dealers. customize CADKEY with support all popular graphic Shipments of CADKEY 5 to keystroke macros and CADL, the cards, including 8514A, S3, TIGA maintenance customers took place new CADKEY(') Dynamic 1.0/2.0, and VGAlSuper VGA on April 20, and shipments to new Extensions'" (CDE) make it graphic boards. customers began on April 22. possible to add complete, fully With new drafting and customi- functional, complex applications, Note from the Editor zation capabilities specifically such as parametric modeling, 3-D WORLD and incorporated to help engineers be progressive die programming, Reference Point Serve more productive, CADKEY 5 aims and detailed-dimensioning squarely at fulfilling the growing extensions to accommodate Different End Users need for CAD tools that work well virtually any manufacturing Readers of 3-D WORLD and with application-specific programs need or local standard. Based on Reference Point will notice in a concur-rent-engineering the C programming language, some changes with the Spring environment. CDE integrates external 1992 issues of these publications. CADKEY 5 users create true programs seamlessly into Effective with the Spring 1992 three-dimensional wire-frame, CADKEY's existing functions issue, 3-D WORLD has become surface and solid models with and menu structure.