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#POWER SKIVING DMG PRODUCTS SOFTWARE#
Thanks to the recent technological evolution of machine tools, software and tooling itself, today skiving is a fast, efficient and flexible option to manufacture gears. Unlike gear hobbing, the skiving process however creates an irregular distribution of the chips with a negative rake angle at the exit of the tool tip for this reason, a multi-pass approach is required in skiving. The skiving cutter can be associated to a process with a multi thread gear hob by extremizing the number of threads of the gear hob, so that each principle corresponds to a cutting tooth, you will obtain a skiving tool. To get a rough idea of the operating principle, you can imagine combining the gear hobbing with gear shaping. For almost a century, however, it did not spread due to technological limitations both in terms of software and hardware, which didn’t ensure reliability, precision and speed to make it convenient and productive.
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It cannot be regarded as a new manufacturing method, given that the first patent on skiving was filed in Germany in 1910. Skiving - especially as regards the solution with an interchangeable solid carbide head - allows the finishing of the tooth profile, and today it can be performed not only with the latest generation CNC gear cutting machines but also with multi-tasking machines or modern machining centres. It is a gear manufacturing process, which with a dedicated solution is applicable both on internal and external gearing. Seco Tools offers advanced indexable solutions for skiving. Harish Maniyoor, Sandvik Coromant global product manager for automotive, says the customer reported increased process stability and considerably improved component quality.SKIVING This article explains the gear machining process of skiving, how it works, why it should be used and which advantages skiving offers. In that case, the customer reduced the time-consuming shaping process it was using to make gear components from low-alloy 16MnCr5 by opting for Sandvik Coromant’s CoroMill 178 for power skiving. One Sandvik Coromant customer in the automotive segment achieved a 90% reduction in machining time through the use of power skiving tools. Manufacturers can also benefit from increased design precision and flexibility.
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A single set-up greatly improves machine utilization and total profit - based on Sandvik Coromant’s own findings, a 20% increase in machine utilization can provide a 10% higher gross profit margin. As the process combines hobbing and shaping, power skiving enables machining of a whole component in a single, multi-tasking machine rather than several machines. The intersecting angle between the tool and gear axis affects the revolution speed and greatly benefits productivity. Power skiving is a continuous rotary cutting technique where the tool meshes with the gear under production. In the face of all these challenges, Sandvik Coromant recommends looking to power skiving, which has particularly benefited gear manufacturing in the automotive industry, and recommends its PrimeTurning concept. Scenarios like the ongoing COVID-19 pandemic also introduce challenges to the shop floor, such as unpredictable demand and the need to maintain productivity with fewer workers at any one time. Manufacturers must cost-effectively meet these requirements while maximizing machine uptime and reducing cycle times.
#POWER SKIVING DMG PRODUCTS HOW TO#
You will also learn how to maximize productivity during this inside look into Hwacheon’s automatic workpiece changer, the perfect solution for mass production. In this digital demo, Jeong Hoon highlights many of the benefits the D2-5AX provides when machining complex shapes and parts. AUTOMATION SOLUTIONS FEATURING HWACHEON'S D2-5AX AND AUTOMATIC WORKPIECE CHANGER This places pressure on manufacturers to machine smaller and more precisely engineered components with increased design flexibility. Today’s industrial robots must not only fit into increasingly small spaces, dedicating as much “manufacturing real estate” as possible to production, but also be lighter with reduced inertia and the ability to perform more exact movements with optimal speed and efficiency. Robots now factor into a range of industries, from automotive and aerospace to the food industry and pharmaceuticals - yet all of these sectors have common requirements. This was a 12% increase from 2018 and a historic high.
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The overall number of industrial robots operating in factories worldwide grew to 2.7 million in 2019, according to the 2020 World Robotics Report by the International Federation of Robotics (IFR). Power Skiving Enables Smaller, Precise Robotics Machining | BY EVAN DORAN, MODERN MACHINE SHOP
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