The rise of power skiving to a preeminent cylindrical gear cutting process has been one of the gear industry’s most compelling success stories in recent decades. What began many years ago as a promising, but specialized, cutting process alternative for cylindrical gears with challenging interference contours is now exceeding performance and application expectations across the board.
Power skiving has evolved from a complex and difficult-to-control cutting method into a viable alternative to traditional shaping or broaching. Liebherr-Verzahntechnik GmbH’s Skiving3 technology package combines machines, tools, and processes to make gear skiving more efficient and flexible. This advancement enables manufacturers to machine a broad range of workpieces, from small to large batch sizes, making it suitable for both series production and contract gear manufacturing.
This report uses an application case to demonstrate the optimization potential of gear skiving in the production of internal splines on a universal machining center. The process established in the example is then analyzed using the software tool OpenSkiving developed by the wbk Institute of Production Science of the Karlsruhe Institute of Technology (KIT) and the results are discussed. Finally, the most important findings are summarized.
Emuge–Franken USA offers gear manufacturers a single source for a full range of Skiving Tool Solutions including wheels for internal and external gears as bell-type or shank tool variants in the module sizes m 0.4 to m 5, as well as tool and workpiece clamping solutions.
The EMAG VSC 400 PS offers the integration of power skiving and turning technologies in one machine, a solution that significantly increases both the flexibility and efficiency of production. By using up to four gear skiving tools and six turning tools, you can produce even complex gears in a single clamping operation, which increases productivity enormously.
The 10th WZL Gear Conference - USA is being hosted by Gleason Corporation in Rochester NY and will provide the opportunity for North American companies to connect with WZL and learn about current research activities. For more than 50 years the annual WZL Gear Conference in Aachen, Germany, has been fostering technical collaboration and communication among the members of the WZL Gear Research Circle. The two-day conference is devoted exclusively to the presentation of the latest research in gear design, manufacturing and testing.
Manufacturers have a relatively new option that offers several key advantages—gear skiving on machining centers. Gear skiving on a mill-turn machining center with fully synchronous spindles is highly efficient, fast, and accurate. In some cases when producing small and medium-sized volumes, gear skiving will gradually replace established gear-cutting processes.
GMTA machines in the S Series are better than broaching and most applications feature a dry machining process. All machine components are designed for especially high static stiffness and optimal dynamic behavior. The following video examines the Profilator S300 with tool changer:
Gear skiving is used for both soft and hard finishing. As a quality critical final step in hard finishing, the process can be used to create modifications to the tooth flank. At present there is no knowledge of the extent to which topological modifications can be applied by gear skiving. In this report, the feasibility of manufacturing topological modifications on an external gear through adapted kinematics for gear skiving has been investigated.
Sandvik has signed an agreement to acquire esco GmbH engineering solutions consulting, a German-based supplier of software for power skiving, an important technology within gear machining. Esco’s software solutions supports design, production and quality inspection in the main area of gear manufacturing. The company will be reported in Sandvik Coromant, a division within Sandvik Manufacturing and Machining Solutions.
Are you looking for a solution to ensure quality and increase productivity in gear manufacturing? There is a clear trend towards saving resources and sustainable manufacturing. Here Liebherr highlights their gear technology, gear-cutting tools, measuring technology, and automation systems.
German Machine Tools of America (GMTA) is now selling Profilator 300-V with linear drives in the North American market.
This modular machine platform used to cut gears, is equipped with one or two workpiece spindles in a compact design. It offers maximum flexibility due to modular design and is individually configurable for various machining processes (i.e. Scudding, hobbing, cycloidal milling, pointing, chamfering and deburring). State-of-the-art linear drives in the x and y axis, as well as a torque drive in the a axis offers high machine dynamics for short cycle times and maximum accuracy/low costs. High machine rigidity is available for Hard Scudding of inner and outer diameters.
Power skiving has been turned into a highly efficient process for the production of internal and external gear teeth by the VSC 400 PS machine. The VSC 400 PS can accommodate up to four different power skiving tools on two spindles, plus up to six turning tools.
When developing the AF160, maximum versatility was the key goal of the Engineering Department of the Swiss family enterprise Affolter Group, a world technology leader in high-precision gear hobbing solutions. Vincent Affolter, Managing Director of the Affolter Group, explains: “The AF160 is designed for high precision manufacturers that need flexibility and efficiency. With its eight axes, sophisticated automation solutions, and an innovative quick-change system, the machine provides exactly that.”
Gear hobbing and power skiving processes can be used on the Gleason 100PS, including additional processes like brushing and/or turning operations. Due to the unique flexibility of the 100PS, all gears of a typical e-bike transmission can be produced on a single machine.
State of the Gear Industry Perspectives takes an in-depth look at the challenges and opportunities in gear manufacturing today and in the future. Our fifth installment online is an interview with Adam Gimpert, president, Helios Gear Products.
State of the Gear Industry Perspectives takes an in-depth look at the challenges and opportunities in gear manufacturing today and in the future. Our fourth installment online is an interview with Scott Knoy, vice president of sales at Nidec Machine Tool America.
State of the Gear Industry Perspectives takes an in-depth look at the challenges and opportunities in gear manufacturing today and in the future. Our first installment online is an interview with Udo Stolz, vice president of sales and marketing at Gleason Corporation.
With expert presentations, live demonstrations and the latest digitalization solutions, the 2023 Liebherr Skiving Day is once again the focal point when it comes to all things gear skiving.
As of Dec. 1, U.S. Central Regional Sales Manager Nick Falgiatano will be the new marketing manager, Sales Area Americas, for Sandvik Coromant. In his new role, Falgiatano will be accountable for establishing and reaching the strategic objectives of Sales Area Americas.
Manufacturers must produce lighter and more compact EV transmissions from tough materials such as low-alloy steels—and those that rely on traditional manufacturing processes risk falling behind. Mats Wennmo, Global Automotive Transmission Manager at the metal cutting specialist Sandvik Coromant, explains why gear skiving is crucial for competitive manufacturing.
Integrated manufacturing solutions for machining processes from the blank to the finished workpiece are the focus of the DVS TECHNOLOGY GROUP's trade fair appearance at the world's leading trade fair for metalworking IMTS 2022 in Chicago.
Seco and its technical partners will host the company’s first hybrid (physical and virtual) Inspiration Through Innovation (ITI) event on Wednesday, September 28, 2022. The event will be focused on the aerospace manufacturing segment, with machining demonstrations, an inspiring seminar program, and networking opportunities.
Gear skiving offers great opportunities for production with step-changing productivity, particularly for internal gears, whilst offering high-quality finishing capabilities and being applicable on a 5-axis machine tool with its inherent flexibility and multifunctionality.
When Sandvik Coromant opened its new Center Mebane facility last year in Mebane, NC, near Raleigh the vision was to use it as a hub for training, R&D testing, customer projects and, most of all, an opportunity for comprehensive customer and partner engagement.
Helios Gear Products will debut two state-of-the-art gear manufacturing solutions at the International Manufacturing Technology Show in Chicago, September 12–17, 2022.
The research presented in this paper extends the work done on CAD-based simulation approaches with an investigation of the surface topography of gears produced through gear skiving and the investigation of the cutting tool characteristics on the geometry of the produced gear. The study is complemented with the investigation of the cutting forces required in the machining process.
With its brand-new 300GMS nano Gear Metrology System, Gleason presents a world- first at Control Show 2022, May 03-06, Stuttgart, Germany. The capability of measuring gears at sub-micron level, executing advanced waviness analysis and evaluating gear noise using the most advanced analytical tools, make the 300GMS nano ideally suited to support automotive e-drive production with minimum noise requirements.
The company esco, a technology partner for process digitization in the gear and cutting tool industry, is adding a technology module to its software for the Power Skiving process chain.
The Digital Manufacturing Revolution Evolves in 2020 IMTS will offer two comprehensive digital programs, IMTS Network and IMTS Sp...
Our company manufactures a range of hardened and ground gears. We are looking into using skiving as part of our finishing process on gears in the 4-12 module range made form 17 CrNiMO6 material and hardened to between 58 and 62 Rc. Can you tell us more about this process?
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