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  1. Versatility of Waterjet Technology: From Macro to Macro Machining for Most Materials

    Waterjet technology has matured rapidly and become one of the mainstream precision machine tools since commercialized in the late 1970’s. Waterjets have several inherent features that are superior to most conventional machine tools. Abrasive-waterjets are nowadays highly automated with PC-based CAD/CAM software that controls and operates the hardware (pump, nozzle, abrasive feeding, traverse, and accessories) for precision machining. Most sources of machine errors have been minimized for optimum operations.

  2. Critical Facts About Ultra Ultra High Pressure Abrasive Waterjet Cutting Systems

    There has been a lot of discussion about the benefits of moving to higher and higher water pressure in abrasive waterjet (AWJ) cutting systems. It has gotten to the point that you now hear statements such as “Everybody knows that the secret to faster cutting is higher pressure”. However actual cutting test data and user experience show that such statements are incorrect and misleading.

  3. Limits to the Precision of Abrasive Jet Cutting

    The market size for abrasive jet cutting is dependent on both the speed of the machine and the precision of the resultant part. Early abrasiive jets were crude, slow cutting devices that were used only as the process of last resort where all other fabrication methods failed usually because of the difficult properties of the materlia being cut. Today, abrasive jet machining is approaching the precision of wire EDM.

  4. Advancement of Versatile Waterjet Technology to Rebuild Competitiveness in Manufacturing

    In the current economic crisis, several hundred thousand manufacturing jobs have been and many more are expected to be cut. This white paper attempts to help recover the manufacturing sector by creating new jobs while curbing outsourcing through rebuilding America’s manufacturing leadership and competitiveness. We propose to meet the above societal challenge through advancing and promoting one of the emerging and yet most promising manufacturing processes: ultrahigh-pressure waterjet technology.

  5. Faster Abrasive Waterjet Cutting

    Abrasive Waterjet Cutting has proven to be an effective and economical process for separating virtually any material. Today, applications of abrasive waterjet cutting can be found in many different industries and range from producing very small high precision parts to making rough separation cuts of 6” steel plates. OMAX Corporation has taken the lead in addressing precision cutting through its Intelli-MAX® Software.

  6. Impact of Residual Stresses on Accuracy of AWJ Cutting

    As the accuracy of abrasive waterjet (AWJ) machines is improving, a wider range of process variables are receiving attention regarding their impact on the accuracy of AWJ cut parts. Residual stress is one of these process variables. In this experimental study, AWJ tests cutting steel samples with and without residual stresses were conducted. The results indicated a strong link between residual stresses and part accuracy. An annealing process was used effectively to eliminate the residual stresses.

  7. Determination of Machinability and Abrasive Cutting Properties

    Modern abrasive waterjet machines require precise parameter settings to meet the everincreasing precision demand. Machinability and abrasive index are two important parameters for abrasive waterjet cutting. The latest software uses a cutting model that takes the inputs of machinability, abrasive index, and other process parameters to predict the jet behavior so that compensation can be made to improve the part accuracy. The methodology to determine the values of machinability and abrasive index is becoming more crucial than ever.

  8. Recent Development in Abrasivejet Software

    There are two functions for software in abrasive waterjet machining. First, software is used to transform the design intent into a tool path. This is generally referred to as CAD-CAM software and this field has been improving rapidly with multiple vendors in the market. While important for ease of geometry input, it has little effect on part production cost. The second function for software is to move the cutting jet so as to provide the most accurate part possible in a minimum time. This second function is supplied by the machine builder within the particular control supplied.

  9. The State of the Art of Precision Abrasive Waterjet Cutting

    Abrasive waterjet cutting has become a main stream machining technology in today’s manufacturing world. This paper will serve as an overall review of the state-of-the-art of this technology applied to precision machining. Topics will cover the cutting process, hardware (pumps and XY tables), and software, as well as the latest tilting head technology for taper removal.

  10. Taper Free Abrasive Waterjet Cutting with a Tilting Head

    A tilting head angles an abrasive waterjet’s nozzle as it moves along the cutting path, resulting in a taper-free cut. This paper offers insight into the product development process of this innovative

  11. Advanced Error Correction Methodology Applied to Abrasive Waterjet Cutting

    First introduced in the last decade, the concept of "compute first, move later" for motion control optimized the abrasive waterjet cutting process. Using a cutting model that varied cutting speed around corners and along arcs provided a greater degree of accuracy. Recent innovations in corner-cutting strategy allow the cutting of external corners without sacrificing speed or surface quality. The latest development in machine-control hardware and software advances the error correction methodology in abrasivejet machining to the next generation.

  12. Machining Composites With Abrasive Waterjet

    Cutting composite material is a perfect application for abrasive waterjets. A precision waterjet with a taper compensating head will machine 1/4" thick carbon fiber as fast as 180 inches/minute at 60,000 psi with taper of less than 0.001" per side. And 13/16" thick G10 can be machined as fast as 40 inches/minute at 60,000 psi with the same precision.

  13. A.B.M. Tool & Die Believes in Maximizing New Technology

    A.B.M. Tool & Die Co. Ltd. was started in 1969 by Armando Blagonic as a job shop offering both machining and fabricating services. Today, A.B.M. has expanded into large metal stamping manufacturing, also providing design and tool building expertise for progressive stamping dies.

  14. Mad Systems. Interfacing Mechanical Interactive, Electronics, and Story Telling Since 1998

    Mad Systems in Orange, California is a company that creates unique and creative integrated displays for theme parks, museums, exhibitions, and restaurants.  They specialize in audio/video delivery and controls, interactive displays, lighting, special effects, motion control, and a whole range of crazy stuff.  Mad System's customer base is extremely broad, ranging from National Geographic TV shows to world class exhibits at the Griffith Observatory and the Chicago Museum of Science and Industry.  Each project comes with its own unique set of parameters.  It makes no d

  15. Canadian Diamond F.C. Fills Waterjet Cutting Niche

    By Jerry Cook When Igor Koybash and Konstantyn Lysogor, co-owners of Concord, ON-based Diamond F.C. Inc., realized that there was a growing demand in the market for waterjet cutting, they didn’t waste any time filling that niche. That’s why Koybash and Lysogor launched Diamond F.C., which is a job shop that specializes in waterjet cutting and fabricating, earlier this year. “Waterjet cutting is in demand in the market now. More and more customers are asking for precision waterjet cutting,” says Koybash.

  16. Prototyping With Waterjet: Draw the Part, Cut the Part

    “You name it, we can make it.” That is what Sam Charnegie, Operations Manager of LMS Stamping (Bethlehem, PA), is fond of saying. From harness guide bars for people who race Corvettes, to flanges for railings for buses and rail cars, to catsup and mustard dispensers for stadiums, LMS customers have a need and the shop can deliver it efficiently and quickly.

  17. Toolcraft: A Small Company with Big Company Capabilites and Certifications

    Toolcraft was founded in 1963 by Robert Sanders. Days meant calling on prospective customers and evenings were spent machining the parts for his new customers. The company started out primarily doing work for AiResearch, but soon expanded to have many customers, both large and small. One of these customers was Wynn's Precision, based in Tempe, Arizona. From their work with Wynn's they quickly developed a specialty for making mold retainers for gaskets and seals, and for making the molds needed to mold the seals onto the retainers.

  18. All in a Day: At Hoffman Design Works, It's All Work and All Play

    "I love my job." Anyone who can make that statement and truly mean it is a lucky individual. Drew Hoffman is one of those people. He's the founder of Hoffman Design Works, Bloomington, Ind., and it's common for him to profess the profound joy he gets from 9 to 5. It's especially convincing when he describes some of the projects he's accomplished since opening the custom design firm in 1999.

  19. Combined Processes: Speed Production

    Over the last forty years, the waterjet has evolved from an experimental wood cutter to a reliable, high-speed machine that cuts materials with speed, power, and precision. Long regarded as a low-tolerance, specialty process for machining large sheet materials, abrasive waterjet now performs in areas previously dominated by traditional cutting technologies. From rapid hole drilling in slow-cutting materials like titanium and steel to slicing minute details in stone, composite, ceramics, and glass, this former niche technology has found many applications.

  20. OMAX Helps Howell Industries in the Aftermath of Katrina and Rita

    When Howell Industries invested in an OMAX 80160 two summers ago, they expected improvement in productivity and added capabilities, but they couldn’t have foreseen that owning an OMAX would help them weather two Category 5 hurricanes. Howell has been in business since 1965, specializing in machining and fabrication for rotating equipment such as pumps and gearboxes. They serve primarily the petroleum industry-there are two large petroleum refineries and four petrochemical plants near its shop in Sulphur, LA.

  21. Metal Tech Shop Maximizes Value

    By Staff Sgt. Francesca Popp 3rd Wing Public Affairs Airmen in the 3rd Equipment Maintenance Squadron’s metals technology shop are maximizing value while minimizing waste by making what customers need from scratch. On a daily basis, they can produce two-dimensional “parts” for just about any aircraft here.

  22. AdChem Keeps on the Cutting Edge With Waterjets

    AdChem Manufacturing Technologies, Inc. (ACMT) of Manchester, CT prides itself on investing in the latest technology. “In our industry, that’s what helps us grow,” said Michael Polo, president and owner. So when a customer came to them unhappy with the heat-affected zone from laser cutting, ACMT invested in an abrasive waterjet.

  23. Jetmachining a Path to More Business

    Earl Maudlin, President of Kemah, Texas-based Maudlin& Son Mfg. Co., Inc.would not use the company’s sixty years of business success as an excuse for complacency. It was his ongoing desire to improve shop performance that led Maudlin & Son to purchase its third waterjet machine, the OMAX 2652A JetMachining Center.

  24. Liquid Potential

    ERA Industries Inc of Franklin, Illinois, is a privately held precision machine job shop that has recently discovered the versatility of abrasive waterjet technology.  ERA  traditionally focuses on components for military vehicles and commercial aerospace.  In August 2007, the company purchased its first OMAX machine, a Model  55100 JetMachining Center with 55 inches by 100 inches of cutting capability, a Tilt-A-Jet cutting head for taper compensation and a programmable rotary axis, for 2-D applications to process titanium and exotic alloys specified by the government fo

  25. The Renaissance Shop

    B.C. shop achieves product diversity with its waterjet machines Out on the west coast in Delta, B.C., FlexyShop Inc. is cutting, bending, welding, finishing and engraving up a storm. The company specializes in laser and water jet services. Burak Ataman founded the firm in 2004. He remains the current owner and president. FlexyShop currently has a total of six employees, and operates as both a job shop and contract manufacturer.

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