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Chamfering and deburring of cylindrical gears does not get much love from manufacturers. The process is seen as a necessary evil since it is adding cost without adding “value.” However, there are good reasons for not underrating this important auxiliary process. Chamfering and deburring takes care of several issues which may come up during the manufacture of quality gears.
This report presents some interim results from an ongoing project being performed by INFAC, the Instrumented Factory for Gears. The purposes of this initial phase of the project were to demonstrate the feasibility of robotic automated deburring of aerospace gears, and to develop a research agenda for future work in that area.
The chamfering and deburring operations on gear teeth have become more important as the automation of gear manufacturing lines in the automotive industry have steadily increased. Quieter gears require more accurate chamfers. This operation also translates into significant coast savings by avoiding costly rework operations. This article discusses the different types of chamfers on gear teeth and outlines manufacturing methods and guidelines to determine chamfer sizes and angles for the product and process engineer.
In today's industrial marketplace, deburring and chamfering are no longer just a matter of cosmetics. The faster speeds at which transmissions run today demand that gear teeth mesh as smoothly and accurately as possible to prevent premature failure. The demand for quieter gears also requires tighter tolerances. New heat treating practices and other secondary gear operations have placed their own set of demands on manufacturers. Companies that can deburr or chamfer to these newer, more stringent specifications - and still keep costs in line - find themselves with a leg up on their competition.
Why Brushes? In this age of hi-tech, robots, automatic machines, machining cells, etc., is there a niche somewhere for power brushes? Let me answer by asking another question. What tool does the gear manufacturer have in his arsenal that allows him to deburr green gears, hardened gears, hobbed gears, ground gears and shaved gears? What tool allows him to deburr powder metal gears - green and sintered - brass gears, bronze gears, stainless gears made of exotic materials such as inconel, waspaloy, or hastaloy, and fiber and plastic gears? How about spur gears, helical gears, sprockets, both internal and external splines, clutch teeth and pump gears?
Compass Automation unveiled its Robotic Deburring System at Gear Expo 2009.
The objective, according to Dr.- Ing. Hansjörg Geiser, head of development and design for gear machines at Liebherr, was to develop and design a combined turning and hobbing machine in which turning, drilling and hobbing work could be carried out in the same clamping arrangement as the hobbing of the gearings and the subsequent chamfering and deburring processes.
Banyan Technologies introduces a robotic chamfering device suitable for deburring, chamfering and radiusing the edges of slew bearing ring gears.
Imagine the flexibility of having one machine capable of milling, turning, tapping and gear cutting with deburring included for hard and soft material. No, you’re not in gear fantasy land. The technology to manufacture gears on non gear-dedicated, mult-axis machines has existed for a few years in Europe, but has not yet ventured into mainstream manufacturing. Deckel Maho Pfronten, a member of the Gildemeister Group, took the sales plunge this year, making the technology available on most of its 2009 machines.
News Items About deburring
1 Weiler Publishes Brochure Detailing Gear Deburring Capabilities (July 9, 2007)
Weiler Corp.'s six-page technical brochure on gear deburring with power brushes explains the importance of deburring ... Read News
2 New Gear Deburring Brushes from Weiler (February 9, 2005)
The Bore-RX line of internal gear deburring brushes from Weiler can increase productivity of in-machine deburring in CNC machining center... Read News
3 SPV Spintec?s Automatic Deburring Machine Designed Especially for Gear Wheels (April 27, 2006)
The new 68 2006 automatic deburring machine from SPV Spintec is designed for deburring of gear wheels, flanges and other circular symmetr... Read News
4 Users Configure Flexible Deburring Machine (October 21, 2008)
The OLS Model 1100 deburring machine from McNeil Industries features various options for users to tailor the machine to their specific ... Read News
5 New Abrasive Nylon Disc Brushes from Weiler Specialize in In-Machine Deburring (April 19, 2006)
The Burr-Rx line of abrasive nylon disc brushes from Weiler Corp. are specially designed for in-machine deburring applications. The br... Read News
6 Weilers New Brochure Details In-Machine CNC Deburring on Flat Surfaces (April 11, 2006)
Weiler Corp.s newest brochure details its in-machine CNC deburring of flat surfaces and highlights the companys Nylox disc br... Read News
7 Arrow Gear and Motoman Robotics Offers Chamfering/Deburring Solutions (October 6, 2010)
PerfectEdge, a complete, full function robotic solution, meets the challenges of tight tolerance chamfering, deburring or finishing proce... Read News
8 Dapra Offers Grinding and Deburring Tools (October 3, 2011)
Dapra's series of Biax hand-held, air-powered tools include lightweight grinders and variable-speed deburring machines. The SRD 3-55/... Read News
9 Abtex Offers Tri-Ten Deburring System (March 14, 2014)
Abtex Corporation has designed and built the largest and most technologically advanced Tri-Ten deburring system in its 34 year history... Read News
10 Abtex Introduces Machine for Deburring Powdered-Metal Parts (April 27, 2015)
Abtex Corporation recently announced a new machine for deburring powdered-metal parts when they’re still in the “green”... Read News
11 Abtex Releases Deburring Brochure (May 21, 2013)
Abtex Corporation has published a new, four-page, full-color brochure on its line of end deburring systems. The new brochure contains spe... Read News
12 Abtex Introduces Machine Compatible Deburring System (March 19, 2012)
Abtex Corporation has expanded its Tri-Ten series of deburring systems to include a model that is designed to accept precision ground par... Read News
13 New Chamfer/Deburring Machines from Star SU (April 18, 2005)
The S250CD, S250CDA and S250CDX chamfer/deburring machines from Star SU replace the older SCT and SM series in the U.S. market. The new C... Read News
14 Heule Tool COFA-C Series Carbide Coated Blades Designed for Deburring Elliptical and Contoured Surfaces (July 6, 2017)
Heule Tool Corporation introduces new COFA-C Series tooling for deburring elliptical or contoured surfaces in larger diameters. Replacea... Read News
15 Degreasing Deburring and Cleaning Products Presented at German Exhibition (September 12, 2011)
Roughly 240 exhibitors will be represented when the 9th parts2clean opens its doors at the Stuttgart Exhibition Center on the 25th of Oct... Read News
16 TecnoMacchine Deburring and Chamfering Machines Now Offered by Koepfer America (November 7, 2016)
Koepfer America has expanded its line of gear manufacturing solutions by partnering with TecnoMacchine. TecnoMacchine manufactures CNC de... Read News