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It would not be an exaggeration to say that China is often the most-covered country in the news today.
The complete industry news section from the July 2009 issue of Gear Technology.
The AGMA pavilion was a hot spot at October's PTC-Asia show in Shanghai, as evidenced by the intense quoting reported by exhibitors.
We interviewed several gear industry companies with overseas operations or significant partners.
This article examines the dry hobbing capabilities of two cutting tool materialsâ€”powder metallurgical high-speed steel (PM-HSS) and cemented carbide. Cutting trials were carried out to analyze applicable cutting parameters and possible tool lives as well as the process reliability. To consider the influences of the machinability of different workpiece materials, a case hardening steel and a tempered steel were examined.
Carbon steels have primarily been used to manufacture aerospace gears due to the steels' mechanical characteristics. An alloyed low carbon steel is easily case-hardened to obtain a hard wear surface while maintaining the ductile core characteristics. The microstructure achieved will accept the heavy loading, shocks, and elevated temperatures that gears typically experience in applications. The carbon steel machinability allows for general machining practices to be employed when producing aerospace gears versus the more advanced metal removal processes required by stainless and nickel-based alloys.
The complete Events section from November/December 2006, including coverage of Gear China.
Circular arc helical gears have been proposed by Wildhaber and Novikov (Wildhaber-Novikov gears). These types of gears became very popular in the sixties, and many authors in Russia, Germany, Japan and the People's Republic of China made valuable contributions to this area. The history of their researches can be the subject of a special investigation, and the authors understand that their references cover only a very small part of the bibliography on this topic.
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.
November 1-3. SME Gear Processing and Manufacturing Clinic, Sheraton Meridian, Indianapolis, IN. November 5-10. international Conference on Gearing, Zhengzhou, China
Gear Expo '95, held in Indianapolis, November 12-15, 1995, closed to rave reviews from both the attenders and the exhibitors. Traffic for the show was well up from 1993, with a total of about 4,000 visitors during the 3 1/2 day exhibition. One hundred thirty-two companies from all over the U.S. and as far away as India and The People's Republic of China displayed their wares.
Have you ever heard the story about the butterfly that flaps its wings in China and causes a hurricane in another part of the world? I've heard many variations of that story, but each illustrates the idea that even the tiniest change can produce enormous effects in the future.
Measurement institutions of seven different countries â€” China, Germany, Japan, Thailand, Ukraine, United Kingdom and the U.S. â€” participated in the implementation of the first international comparison of involute gear measurement standards. The German metrology institute Physikalisch-Technische Bundesanstalt (PTB) was chosen as the pilot laboratory as well as the organizer. Three typical involute gear measurement standards provided by the PTB were deployed for this comparison: a profile, a helix and a pitch measurement standard. In the final analysis, of the results obtained from all participants, the weighted mean was evaluated as reference value for all 28 measured parameters. However, besides the measurement standards, the measured parameters, and, most importantly, some of the comparison results from all participants are anonymously presented. Furthermore, mishandling of the measurement standards as occurred during the comparison will be illustrated.
under pressure from numerous market forces. The oil sector's decline, weakened global economies (particularly China) and local government policies outnumber and outweigh relieving forces such as the FAST Act, leaving the industry in a general downturn. The outlook has yet to become truly grim, but companies are beginning to scale back.
It's Monday morning, December 15, 2036. An autonomous vehicle drops off two engineers in front of a gear manufacturing facility in Metro Detroit. They punch in for work on their wristwatches and pay Uber for the ride on a smartphone. One of the engineers begins walking the shop floor, monitoring a series of collaborative robots using a tablet the size of a paperback novel. These robots interact right on the floor with the minimal staff scheduled to oversee manufacturing operations. Another engineer wears an interactive headset and begins training a group of new engineers (in real time) from China using some form of augmented reality.
Question: I am a gear engineer for a motor manufacturer in China. I am writing about noise generated from cross-helical gear assembly error. I want to learn the relationship between the misalignment (center distance change and cross-angle shift) and transmission error. It is better under the loading and theory conditions. What is the trend of cross-helical gear development (use ZI worm and involute helical gear, point contact)?
News Items About china
1 CTI Symposia Germany and China Call for Papers (January 16, 2018)
Worldwide, the automotive industry is undergoing a major technological transformation. A rollout of electric cars and commercial veh... Read News
2 China Spends 2.5 Million on CNC Helical Profile Milling System (April 14, 2011)
A major Chinese compressor manufacturer recently ordered a machine from Holroyd Precision of Milnrow, Lancashire to be used for the rough... Read News
3 Kinefac Introduces Forced Thru-Feed Spline Rolling to China (January 10, 2006)
Kinefac Corp. is introducing its cylindrical die spline rolling process to markets in China, India and other countries in the Far East. ... Read News
4 Preco Opens Contract Manufacturing Facility in China (February 14, 2006)
Preco Inc. opened a contract manufacturing facility located in Tianjin, China. ?The establishment of contract manufacturing services i... Read News
5 China Pneumatic Unveils Precision Planetary Gear Reducers (April 14, 2006)
China Pneumatic Corp. is introducing a new line of precision planetary gear reducers for air motors, servo motors and stepping motors for... Read News
6 Applied Process Commissions Heat Treating Facility in China (February 19, 2007)
Applied Process CEO John Keough recently commissioned AP Suzhou as the newest member of the Applied Process family of companies. The... Read News
7 Honda Begins Powertain Components Production in China (March 8, 2007)
Production began on March 8 at the new Honda Auto Parts Manufacturing Co.Ltd. (CHAM) plant in Nanhai Industrial Park District, Foshan Cit... Read News
8 Hainbuch Produces Large Mandrel With Significant Clamping Range for China (July 9, 2007)
Hainbuch GmbH produced a workholder that weights 1.3 tons and features a clamping range of up to 420 mm.According to the company's pr... Read News
9 Moventas Appoints General Manager for China (November 9, 2007)
Yang Xilin has been appointed general manger of Moventas’ Industrial Gears division in China effective November, 1, 2007. In additi... Read News
10 Survey Puts China at the Forefront of Wind Energy Market (November 24, 2008)
An annual wind survey conducted jointly by the Global Wind Energy Council and Greenpeace International expects China to surpass Germany... Read News
11 Mitsubishi to Build Gear Machines in China (August 20, 2010)
Mitsubishi Heavy Industries, Ltd. (MHI) is planning to launch production of gear cutting machines in China at a facility that will simult... Read News
12 Drake Grinders Upgrade China Gage Capabilities (September 23, 2010)
Drake Manufacturing Services Co. recently shipped another in a series of high precision gage grinding machines to one of China's emer... Read News
13 Drake Ships Two Thread Grinders to China (April 2, 2012)
Drake Manufacturing Services Co. has recently shipped two linear motor 4-axis CNC thread grinders to a Chinese petroleum company manufact... Read News
14 Klingelnberg Closed Loop System to be Exhibited Alongside New Products at China International Machine Tool Show (March 29, 2017)
At the China International Machine Tool Show (CIMT) in April, Klingelnberg, the specialist in gear and transmission technology, will unve... Read News
15 LMT Tools Assist China Agricultural Machinery Market (May 7, 2012)
Although the general market environment has become more difficult, the production of agricultural machinery in China is booming more than... Read News
16 Gleason Opens New China Facility (July 18, 2012)
Gleason Corporation today announced the grand opening and dedication of a new world class manufacturing facility in Suzhou Industrial Par... Read News
17 Oerlikon Fairfield Highlights Drive Solutions at Bauma China 2012 (November 26, 2012)
Oerlikon Fairfield is participating in Bauma China 2012 at the Shanghai New International Expo Centre from November 27-30. Bauma China is... Read News
18 AFC-Holcroft Installs CAAB Furnace in China (February 28, 2013)
AFC-Holcroft is pleased to announce the recent installation of CAAB furnace for a division of a prestigious, multi-national corporation. ... Read News
19 Gleason Installs 10 Meter Capacity Gear Hobber in China (April 2, 2013)
Gleason Corporation recently announced the successful installation of a P 8000/10000 Gear Hobber at Changzhou Tianshan Heavy Industry Mac... Read News
20 Ipsen China Begins Work on Several Furnace Builds (December 16, 2013)
As the demand for high volume, mass-produced automotive components rises, so does the demand for high-quality heat treatment systems to e... Read News
21 PTG Receives Greater China Business Award (March 7, 2014)
Rochdale-based Precision Technologies Group (PTG) was the proud recipient of the Greater China Business Award for the North West, at the ... Read News
22 Star SU China Begins Operations (March 2, 2015)
On March 1, 2015 the new joint-venture Star SU International Trading (Shanghai) Co. Ltd. begam operating under the Star SU China brand na... Read News
23 Ionbond Opens China Coating Service Center (December 15, 2015)
Ionbond has opened its new coating service center for automotive components in ChengDu, Sichuan Province, China. This operation - th... Read News
24 Ajax Tocco Ships Induction Heating Dryer System to China (January 18, 2016)
Ajax Tocco Magnethermic recently shipped a 1,900 kW/100,000 hz induction heating dryer system to a steel strip galvanizing producer in Ch... Read News
25 mG miniGears Officially Opens in China (January 17, 2004)
mG miniGears in Suzhou, China is now open and operating at full capacity. According to the companys press release, the Chinese o... Read News