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Fuji's VTP-1000 is designed for highly accurate fine finishing of cylindrical components up to one meter in diameter.
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.
Ever since the first cavemen bartered clamshells and spears, business has been about people interacting. In simpler times, commerce was conducted according to the look in someone's eye or the feel of his handshake. Today we have computers, fax machines, modems, e-mail and cell phones - all powerful tools that have increased our productivity. Those devices have shrunk our world, but, in some ways, they've also distanced us from each other by reducing personal interaction. In the name of efficiency, profitability and progress, we've found ways to place orders, sell products and exchange information without ever coming into contact with another human being.
Current Letter To The Editor for January/February 2002.
Recently, I reached a milestone. In October, I turned 65. I've been thinking a lot about it lately...
Following is a report on the R&D findings regarding remediation of high-value, high-demand spiral bevel gears for the UH–60 helicopter tail rotor drivetrain. As spiral bevel gears for the UH–60 helicopter are in generally High-Demand due to the needs of new aircraft production and the overhaul and repair of aircraft returning from service, acquisition of new spiral bevel gears in support of R&D activities is very challenging. To compensate, an assessment was done of a then-emerging superfinishing method—i.e., the micromachining process (MPP)—as a potential repair technique for spiral bevel gears, as well as a way to enhance their performance and durability. The results are described in this paper.
Whether you spent time at Gear Expo in Indianapolis or EMO in Hannover, there was certainly new technology attracting attention. Machine tools are faster, more efficient and can integrate numerous functions in a single setup. Grinding technology is turning science upside down and inside out with high-speed removal rates and increased throughput.
I'm a big believer in the value of IMTS as a marketplace where gear manufacturers can go and look at the latest machine tools and processes; compare hobbing machines, gear grinders and inspection equipment; see turning, milling or grinding machines in action; and ask questions of the various vendors all in one place. This year's IMTS promised to be the biggest ever, and I have no doubt that it will be a valuable experience to those who go there looking for ways to improve the way they manufacture products.
Decades ago, technology shifted from HSS to indexable inserts in turning and milling. This movement wasn't immediately realized in gear hobbing because coated PM-HSS hobs and complex gear profiles remained highly effective and productive methods. Only fairly recently have gear manufacturers started to take a serious look at indexable technology to cut gear teeth.
India is rapidly turning into a global manufacturing hub, thanks to the country’s manufacturing and engineering capabilities, vast pool of skilled expertise and its size. These qualities offer it a strategic advantage for the manufacturing segment. A large number of international companies in varied segments have already set up a manufacturing base in India and others are following suit. It only makes sense to bring this industry segment together under one roof to discuss the current trends and technology prevalent to the marketplace. IPTEX 2012 is scheduled from February 9–11, 2012 at the Bombay Exhibition Center in Mumbai, India.
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.
In robot configurations it is desirable to be able to obtain an arbitrary orientation of the output element or end-effector. This implies a minimum of two independent rotations about two (generally perpendicular) intersecting axes. If, in addition, the out element performs a mechanical task such as in manufacturing or assembly (e.g., drilling, turning, boring, etc.) it may be necessary for the end-effector to rotate about its axis. If such a motion is to be realized with gearing, this necessitates a three-degree-of-freedom, three-dimensional gear train, which provides a mechanical drive of gyroscopic complexity; i.e., a drive with independently controlled inputs about three axes corresponding to azimuth, nutation, and spin.
"A Decade of Performance" is the theme of the American Gear Manufacturers Association Gear Expo 97, to be held October 19-22 at Detroit's Cobo Hall. Products and services related to every aspect of the gear manufacturing process, from turning and grinding the blanks to coating and inspection of the gears,will be represented at the show.
High-speed machining using carbide has been used for some decades for milling and turning operations. The intermittent character of the gear cutting process has delayed the use of carbide tools in gear manufacturing. Carbide was found at first to be too brittle for interrupted cutting actions. In the meantime, however, a number of different carbide grades were developed. The first successful studies in carbide hobbing of cylindrical gears were completed during the mid-80s, but still did not lead to a breakthrough in the use of carbide cutting tools for gear production. Since the carbide was quite expensive and the tool life was too short, a TiN-coated, high-speed steel hob was more economical than an uncoated carbide hob.
News Items About turning
1 Iscar Launches HPC Turning Tools (June 20, 2011)
For the first time, a complete line of standard tools for High Pressure Coolant (HPC) turning puts more efficient turning of titanium, In... Read News
2 Sandvik Introduces New Turning Inserts (January 5, 2012)
March 1st 2012 sees the introduction of a new range of turning inserts from Sandvik Coromant. Spectrum turning is a minimum program that ... Read News
3 Hwacheon Introduces Turning Center (February 1, 2013)
The Hwacheon Hi-TECH 450 turning center with its small footprint provides space efficiency, while offering the largest turning diameter i... Read News
4 New Turning Tool from LMT-Fette (December 1, 2003)
[photo] The Pentatec from LMT Fette can perform drilling, boring, facing, turning and counter boring with a single tool. The tool... Read News
5 Index to Demonstrate Modular Eight-spindle Automatic CNC Turning Machine at PMTS 2015 (March 6, 2015)
Index will demonstrate its MS22C-8, a modular eight-spindle automatic CNC turning machine, producing brass connector parts at PMTS 2015, ... Read News
6 Mazak Adds Turning Capabilities to VariAxis Series (September 24, 2014)
Mazak introduced turning capabilities into its VariAxis Series of multiple-surface, simultaneous five-axis machining centers with the Var... Read News
7 New Performance Grade for Turning Stainless (September 22, 2010)
Ingersoll's new CVD coated Series T-TINOX grades bring new levels of productivity to stainless steel turning. The copper-colored T-TI... Read News
8 Vertical Turning Centers Aim for Wind and Nuclear Parts (June 22, 2010)
MAG's new vertical turning centers with five to eight meter tables are engineered to make short work of large-part manufact... Read News
9 New Superabrasive Turning Machine from Holroyd (February 9, 2005)
The Edgetek SATurn Superabrasive turning system from Holroyd employs CBN wheels to achieve productivity rates far in advance of those obt... Read News
10 BHS Rotor Turning Gears Showcased at PowerGen Europe (June 13, 2007)
BHS Getriebe GmbH will be showcasing its rotor turning gear capabilities in its booth at Power Gen Europe.Units are used to prevent ... Read News
11 EMAG Offers Hard Turning and Grinding Advantages (March 12, 2013)
The advantages of the process combination hard turning + grinding lie in process stream consolidation, improved component quality and gre... Read News
12 ATI Stellram Introduces NL Turning Grades (May 2, 2013)
These five new Stellram NL turning grades are specifically engineered to provide optimum performance in a given application and workpiece... Read News
13 Walter Introduces Ceramic Grades for Turning Operations (February 14, 2013)
Walter USA, LLC has introduced WIS10 and WWS20, two new ceramic grades that deliver superior results particularly when turning high-temp ... Read News
14 Hardinge Debuts Turning Center at Westec (January 24, 2007)
Hardinge introduces its SR-Series multi-tasking turning center, utilizing a three-jaw chuck. According to the companys press re... Read News
15 Emags Newest Vertical Turning Centers Offer Quicker Automatic Workpiece Changeover (April 3, 2007)
The VL series vertical standard turning machines from Emag are universal production tools with a small footprint and automatic workholdin... Read News
16 Toyoda Machinerys Inverted Vertical Turning Center Introduced at CMTS (August 8, 2007)
Toyoda Machinery will introduce its newest machine line at CMTS from October 15-18 in Booth 3600 with its new Canadian distributor Elliot... Read News
17 Gerlach Turns Powdered Metal Into Profit With Turning Cells (April 5, 2010)
By using the new Eurotech-Famar Pronto 5 Turning Cells, as well as CNC lathes and various machining centers, Charles Gerlach, President o... Read News
18 Michigan Automatic Turning Purchases AA Gear (December 11, 2009)
AA Gear LLC and Michigan Automatic Turning Inc. completed the purchase of the assets of Ann Arbor Machine Gear Division. Michigan Automat... Read News
19 Index Releases Turning Milling Center (May 14, 2012)
Index Corporation, IMTS Booth S-8450, will introduce a new concept machine tool featuring two independent 5-axis subsystems, each with on... Read News
20 ATI Releases Turning Products Catalog (June 3, 2013)
ATI Stellram’s new and expanded Turning Products Catalog includes the latest inch and metric product offerings. This new catalog fe... Read News
21 EMAG Offers Vertical Pick-Up Turning Machine (May 20, 2014)
According to latest EU guidelines on the manufacture of electric motors, the energy-efficiency of many electric transmission systems is to be increased by 30 percent As manufacturers explore this market opportunity... Read News
22 Hardinge Offers Super-Precision Turning Center (February 13, 2013)
Medical part manufacturing continues to be a rapidly growing market due to the large population of aging baby boomers who are looking for... Read News
23 EMAG Offers Vertical Turning Machine (January 29, 2013)
The strength of the VTC 100-4 is its four-axis machining which allows the machine to produce a large quantity of shafts up to 400 mm in l... Read News
24 Methods Machine Tools Introduces FEELER FT Turning Centers (October 18, 2012)
Methods Machine Tools, Inc., a supplier of innovative precision machine tools, automation and accessories, has introduced FEELER FT-Serie... Read News
25 Hardinge Demonstrates Super-Precision Turning with Automation (December 17, 2012)
Hardinge Inc. an international provider of advanced metal-cutting solutions, demonstrates automated production of hydraulic spool valve h... Read News
26 LMC Face Drivers Improve Turning Productivity (October 11, 2011)
Gear hobbing is easier and more productive with Neidlein's FDNC face driver from LMC Workholding. With Neidlein's FDNC Face Drive... Read News