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Category Archives: Machine Tools

Friction Stir Welding of Aluminium Alloys

Friction Stir Welding Of Aluminium Alloys Friction Stir Welding (FSW) is a ­welding process that was invented, developed and patented in Cambridge, by The Welding Institute (TWI) in 1991. FSW is a solid-state joining process … Continue reading

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Friction Stir Welding Steel and Titanium Alloys for Aerospace and Avionics

Friction Stir Welding Exotic Alloys with Powerstir Ever since the launch of its Crawford Swift Powerstir Friction Stir Welders, PTG Heavy Industries has been recognised as a global leader in this innovative way of jointing … Continue reading

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ComVac Hannover 2015

Holroyd to bring ‘absolute precision’ to ComVac Hannover 2015 PTG companies, Holroyd Precision and Holroyd Precision Components, will both be exhibiting at ComVac Hannover 2015 – the leading trade fair for compressed air and vacuum … Continue reading

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Lathe Refurbishment – Before & After

PTG Heavy Industries isn’t simply the name behind Crawford Swift and Binns & Berry heavy-duty lathes, deep hole boring systems and roll grinding machines. Our unrivalled knowledge and expertise in the design and build of … Continue reading

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PTG brings seamless expertise to Tenth International FSW Symposium

Venue: China National Convention Center, Beijing 100105 Dates: 20 – 22 May 2014 PTG Heavy Industries, manufacturers of the world-leading range of Powerstir Friction Stir Welders, will be on hand to share their considerable knowledge … Continue reading

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GrindTec 2014 Augsburg

What is GrindTec? GrindTec is the leading global exhibition for grinding technologies. Located in Augsburg, Germany, the event has been running biannually since 1998, growing in size and attendance year-on-year. With over 37,000 square metres … Continue reading

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Worm Gears – Applications & Uses

A worm gear (or worm drive) is a specific gear composition in which a screw (worm) meshes with a gear/wheel similar to a spur gear. The set-up allows the user to determine rotational speed and … Continue reading

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Machine Tool Videos From PTG

Precision Technologies Group supplies machine tools to a diverse set of industries where the precision, accuracy and reliability of the machinery is essential. This machine tool video post gives you the opportunity to step onto … Continue reading

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Friction Stir Welding Applications & Uses

Since the invention of Friction Stir Welding (FSW) by The Welding Institute in 1991, this technology has been widely adopted in many branches of manufacturing and engineering.  FSW offers manufacturers many benefits over conventional welding … Continue reading

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CIMT 2013 – China International Machine Tool Show

The 22nd of April marked the start of the 13th annual China International Machine Tool Show (CIMT) in Beijing. The CIMT launched in 1989 and is now recognised as one of the largest exhibitions of machine … Continue reading

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