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A wire-cut EDM machine using the CNC drawing plotter and optical line follower techniques was produced in 1974. Dulebohn later used the same plotter CNC program to directly control the EDM machine, and the first CNC EDM machine was produced in 1976. [10] Commercial wire EDM capability and use has advanced substantially during recent decades. [11]
Electrical discharge machining (or EDM) is one of the most accurate manufacturing processes available for creating complex or simple shapes and geometries within parts and assemblies. A machining method typically used for hard metals, EDM makes it possible to work with metals for which traditional machining techniques are ineffective.
The Clarks of Cooperstown: Their Singer Sewing Machine Fortune, Their Great and Influential Art Collections, Their Forty-year Feud (Alfred A. Knopf, 2007). Wickramasinghe, Nira. "Following the Singer Sewing Machine: Fashioning a Market in a British Crown Colony," in Metallic Modern: Everyday Machines in Colonial Sri Lanka. (Berghahn Books, 2014 ...
The company is listed on the Colombo Stock Exchange since 1981 and in 2017, the Sri Lankan conglomerate, Hayleys acquired the majority of the shares. Singer (Sri Lanka) is ranked 17th in the LMD 100, an annual list of listed companies in Sri Lanka by revenue, in 2020/21 edition. [4]
The EDM4S or EDM4S SkyWiper (Electronic Drone Mitigation 4 - System), is a portable electronic warfare anti-drone device produced and developed by the Lithuanian company NT Service [1] It is designed to disrupt small and medium sized UAVs by jamming their communication and satellite navigation systems with an electromagnetic pulse.
DJ Magazine (also known as DJ Mag) is a British monthly magazine dedicated to electronic dance music and DJs. [2] Founded in 1991, the magazine is adapted for distribution in the United Kingdom, the United States, Spain, France, Italy, Latin America, China, South Korea, Brunei, Indonesia, India, Sri Lanka, Oman, Saudi Arabia, United Arab Emirates, Germany, Canada, Russia, Belarus, and the ...
Ritzbury originally started in 1991 as number four in Sri Lanka's chocolate market. By 2006 it had beaten Kandos (Ceylon Chocolates) to the number two spot, with a 21% market share [8] (although still behind, market leader, Edna Group's 42% share). In 2010 it had become Sri Lanka's number one chocolate producer, [14] with a 47.2% market share. [15]
This was the first time the An-225 had landed in Sri Lanka. [ 43 ] During the COVID-19 pandemic, The airport has been handling ship crew changes and repatriation flights, In June and July 2020, Mattala Rajapaksa International Airport handled more than 50 flights involving 2,188 passengers. [ 44 ]