Next level control for PTG Holroyd’s helical rotor and thread grinding machines

PTG Holroyd has announced that, going forward, all models in its TG Series of ultra-precise helical rotor and thread grinding machines will be equipped with the Siemens digitally native SINUMERIK ONE CNC as standard. PTG Holroyd was the first UK machine tool manufacturer to embrace the benefits of the SINUMERIK ONE CNC, incorporating the control […]

Full OEM rebuild to bring advanced performance and Siemens’ control to 1990’s Holroyd rotor miller

For one of Germany’s most respected compression equipment specialists, the opportunity to purchase a previously owned PTG Holroyd 2E-volution CNC rotor milling machine from its Rochdale-based manufacturer was simply too good to miss. That’s because before being shipped to Germany, the machine will undergo a full refurbishment and upgrade programme, during which it will be […]

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PTG Holroyd wins Siemens’ global award for digital transformation at EMO Hannover

EMO Hannover 2023 didn’t simply provide PTG Holroyd with a platform to showcase its industry leading helical rotor and gear milling and grinding machines to a global audience. During the event, the UK-based machine tool manufacturer was presented with Siemens’ Digital Transformer award.

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German screw compressor makers order four British-built PTG Holroyd rotor milling machines

July 2023 – In just one week, Rochdale-based PTG Holroyd has secured orders for four of its EX Series CNC helical rotor milling machines from two German-based screw compressor manufacturers. The machines will be shipped during 2024. Their combined value is in the region of £5 million.

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Discover the future of precision screw pump grinding

A brand-new PTG Holroyd CNC machine for the precision grinding of screw pumps is in the final stages of development at our Rochdale-based machine tool technology centre.

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New PTG Holroyd machine is first of kind to precision grind both worms and gears

Manufacturing high-accuracy worm gears and screws alongside precision spur and helical gears has traditionally required the use of two quite different CNC grinding machines. Thanks to PTG Holroyd’s newly launched HG350-WG worm and gear grinding centre, however, just one machine can now complete both tasks.

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PTG Holroyd’s advanced ‘dual rotor milling technology’ is set to redefine Roots-type blower production for leading German manufacturer

A recently developed dual-purpose CNC rotor milling machine from PTG Holroyd is all set to revolutionise the manufacturing capabilities of a leading German maker of compressed air, gas and vacuum technologies. Currently in build at PTG Holroyd’s Rochdale-based machine tool technology centre, the machine, a PTG-Holroyd 4EX-R-BL (BL = blower) model, will be used to precision-mill both helical rotors and Roots-type blower air ends.

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Holroyd tool management centre brings greater flexibility to global compressor manufacturer

One of the world’s leading manufacturers of refrigeration and air compressors has ordered a new PTG Holroyd CS700 tool management centre. The machine tool, which is currently in build at PTG Holroyd’s UK-based technology centre, will be shipped to one of the compressor manufacturer’s facilities in China’s Jiangsu province early next year.

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North American compressor manufacturer chooses second British-built PTG Holroyd rotor grinding machine

One of North America’s premier rotary screw compressor manufacturers has ordered a new, ultra-precise TG 350E CNC rotor grinding machine from UK-based PTG Holroyd.

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Creating a stir: PTG to present Powerstir dual weld-head friction stir welding at Aluminium 2022

Stand 5L07 27 – 29 September 2022 Exhibition Centre, Düsseldorf UK-based Precision Technologies Group (PTG) will be showcasing its range of Powerstir dual weld-head friction stir welding (FSW) machines at Aluminium 2022.

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