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In this Gear Profile article, we interview Antonio Maccaferri, president of SAMP S.p.A.
The latest machines, tooling and technology for gear grinding were featured at IMTS 2012.
News from around the Gear Industry
EMO is arguably the most important trade show when it comes to the introduction of machine tool technology, and this year's show - taking place from September 18-23 in Hannover, Germany - promises not to disappoint. We've talked to a number of gear manufacturing technology providers to give you a sneak peak of what you can expect to see if you attend this year.
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.
Manufacturers focus on tool design, materials, coating, machine tool options and cutting parameters.
New divisions, open houses and the continued rise of the Industrial Internet of Things - There's been a lot going on in gear grinding in the past year.
Looking for some simple yet useful advice heading into IMTS 2016? Never second guess your machine tool investment. Flexibility is a mandatory requirement in gear manufacturing today. Accuracy, reliability and efficiency must improve with each new machine tool purchase. Innovation is always the end game. So it comes as no surprise that IMTS 2016 attendees will have plenty of gear grinding technologies to consider this fall.
Latest news about the Latest Products
News from the Gear Industry
An in-depth look at the major booths with the latest technology used in gear manufacturing.
A different method to produce a sample that has a very consistent amount of thermal damage.
After a period of operation, high-speed turbo gears may exhibit a change in longitudinal tooth contact pattern, reducing full face width contact and thereby increasing risk of tooth distress due to the decreased loaded area of the teeth. But this can be trickyâ€”the phenomenon may or may not occur. Or, in some units the shift is more severe than others, with documented cases in which shifting occurred after as little as 16,000 hours of operation. In other cases, there is no evidence of any change for units in operation for more than 170,000 hours. This condition exists primarily in helical gears. All recorded observations here have been with case-carburized and ground gear sets. This presentation describes phenomena observed in a limited sampling of the countless high-speed gear units in field operation. While the authors found no existing literature describing this behavior, further investigation suggests a possible cause. Left unchecked and without corrective action, this occurrence may result in tooth breakage.
The curved tooth cylindrical gear is one of ancient design. Samples which date from the period of the Warring State (475-221 BC) have been excavated from archeological sites in China. One such sample is now on display in the Xi'an Clay figures of Warriors and Horses Exhibition Hall. This example is about 3/4" in diameter and made of bronze. It was used in the famous model, "Ancient Chinese Vehicle With a Wooden Figure Always Pointing to the South." Although this early gear is handmade and somewhat crude, it is a viable model.
In recent years, gear inspection requirements have changed considerably, but inspection methods have barely kept pace. The gap is especially noticeable in bevel gears, whose geometry has always made testing them a complicated, expensive and time-consuming process. Present roll test methods for determining flank form and quality of gear sets are hardly applicable to bevel gears at all, and the time, expense and sophistication required for coordinate measurement has limited its use to gear development, with only sampling occurring during production.
A sampling of newsletter articles and videos related to gear manufacturing from March/April 2013.
Three samples of quenched and tempered 4140 steel, with varying levels of oxygen and sulfur, were submitted to a series of bending fatigue tests.
Last issue's farewell editorial by our founder and original publisher, Michael Goldstein, sparked a lot of feedback and comments from our readers. Here's a sampling of what your fellow subscribers had to say.
News Items About samp
1 EMO Hannover 2019: Samputensili (August 1, 2019)
Samputensili will present exciting world premieres, numerous innovations, and state-of-the-art products both for machine tools and cuttin... Read News
2 Star SU Announces Hobbing and Shaping Machine Lines from Samputensili (May 3, 2019)
Star SU LLC is pleased to announce it has expanded its comprehensive gear manufacturing product offering to include a line of horizonta... Read News
3 Samputensili Appoints Gear Technology Manager (January 3, 2017)
Samputensili recently announced the recent appointment of Dr. Ing. Deniz Sari to the newly created position of gear technology manager fo... Read News
4 Samputensili SG 160 Sky Grind Introduces Dry Grinding of Gears to Star SU Line (December 24, 2015)
Samputensili has recently launched a world premiere at EMO Milan 2015. The new machine, the SG 160 Sky Grind, is designed to eliminate th... Read News
5 Samputensili Acquires Gear Shaving Machine Technology Company Sicmat (June 26, 2015)
Samputensili recently announced the acquisition of Sicmat S.p.A., a company specializing in gear shaving machine technology.Due to the sy... Read News
6 Arrow Gear Becomes Distributor for SAMP Gears (December 9, 2014)
Arrow Gear has signed an exclusive agreement with SAMP of Bologna, Italy to market and sell their gear products in North America. Arrow G... Read News
7 MAG Acquiring Samputensili Gear Hobbing Line (October 11, 2010)
MAG, a manufacturing technology company, has acquired the gear hobbing and chamfering/deburring product line of Samputensili GmbH in Chem... Read News
8 Global restructuring of SAMP manufacturing locations (February 1, 2010)
Star SU partner SAMP S.p.a announced that it will consolidate, restructure and relocate its Chemnitz, Germany and Ortona, Italy manufactu... Read News
9 Samputensili Invests 4.7 Million Euros in Ennvironmentaly Friendly Manufacturing Facility (March 9, 2007)
Samputensili S.p.A. announced an investment of 4.7 million euros for the building of a new manufacturing facility of Ortona (Chieti, Ital... Read News
10 Samputensili Master Gears Personalized to Customer or DIN Specifications (April 12, 2006)
Samputensili has introduced a range of master gears to determine work gear accuracy and setting masters to adjust checking equipment. ... Read News
11 Samputensil Introduces High Capacity Grinding Machine (January 6, 2006)
The new 250G generating grinding machine from Samputensili, introduced at EMO 2005 was developed to achieve a shorter cycle time. Acco... Read News
12 Samputensili and Shanghai Tool Works Join Forces (April 16, 2005)
Antonio Maccaferri, president of Samputensili S.p.A. and Yang Jinchang, president of Shanghai Tool Works Co. Ltd. announced a joint ven... Read News