Chinese refrigeration compressor manufacturer chooses British-built PTG Holroyd rotor grinding machine

A leading Chinese manufacturer of industrial refrigeration compressors has chosen a British-built PTG Holroyd TG Series CNC rotor grinding machine to bring even higher levels of accuracy and speed to its manufacturing strategies.

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Improving Screw Compressor Rotors: A Collaboration between Design and Manufacturing

The 12th biennial International Conference on Compressors and Their Systems, which took place at City, University of London in September 2021, included a fascinating joint industry presentation by Professor Christopher Holmes of PTG Holroyd and Jack Sauls (retired), formerly of Trane.

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‘Tight weld-flatness tolerance’ secures multiple sales of PTG dual weld-head FSW machines to electric vehicle OEMs

Just two years after the launch of its range of Powerstir ‘dual weld-head’ friction stir welding machines, UK-based Precision Technologies Group (PTG) reports achieving double-digit sales of these specially developed FSW technologies for electric vehicle OEMs.

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USA-based Delroyd selects PTG-Holroyd’s newly launched precision worm gear grinding centre

Delroyd Worm Gear, the North American manufacturer of precision worm gear drives and a part of Nuttall Gear, a business unit of Altra Industrial Motion, has placed an order for one of PTG-Holroyd’s newly launched HG350-WG worm gear and gear grinding centres. Scheduled for installation in summer 2022, this will be the first of UK-based PTG Holroyd’s new HG350-WG machines to be purchased by an overseas customer.

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Advanced Machinery and Productivity Institute (AMPI) receives funding boost for its innovation initiative

Huddersfield 22nd July 2021 – A consortium, led by the National Physical Laboratory (NPL), has secured £22.6m funding for a 5-year innovation initiative, the first for the Advanced Machinery & Productivity Institute (AMPI), which will be based in Rochdale, Greater Manchester. This funding has been provided through UK Research and Innovation’s flagship Strength in Places Fund (SIPF).

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Neues Schleifzentrum mit Sinumerik-One-Steuerung

Doppelt zukunftssicher Die neue Zahnradschleifmaschine HG350-G ist die erste Formschleifmaschine von PTG Holroyd mit der Siemens-Steuerung Sinumerik One. Das Paket bietet smarte Features wie Sicherheitsfunktionen, den digitalen Zwilling und ein umfassendes Echtzeit-Monitoring. PTG Holroyd hat mehr als 1,6 Millionen Pfund in die Entwicklung seiner neuen Zahnradschleifmaschine investiert, eine Maschine, die dem Unternehmen einen Vorsprung beim […]

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Holroyd HG350-G gear grinding centre is first to use Siemens’ Sinumerik ONE CNC

A new precision gear grinding centre from PTG Holroyd hasn’t simply been designed to bring greater levels of efficiency and accuracy to the production of specialised gears and tooth forms. The new machine, called the HG350-G, is also the first from PTG Holroyd – and believed to be the first in the UK – to use Siemens’ new Sinumerik ONE future-proof CNC, the successor to the automation specialist’s 840D CNC.

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Major European Train Builders Invest in Powerstir Friction Stir Welding

Specially developed Powerstir friction stir welding (FSW) machines from UK-based Precision Technologies Group (PTG), that incorporate a 30-metre x 4-metre moving gantry, could soon redefine the way in which Europe’s leading manufacturers of railway rolling stock produce aluminium carriage bodies.

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New Holroyd Gear Grinding Centre Offers Greater Levels Of Efficiency In Precision Gear, Worm And Screw Production

A brand-new gear grinding centre from Holroyd Precision promises to bring even higher levels of intelligence and efficiency to the production of specialised gears and tooth forms. Called the GT350, this latest machine from the Precision Technologies Group (PTG) company has been developed for one-off and batch grinding of precision spur and helical gears, worms and screws of up to 350 mm in diameter. It can also be used to precision grind compressor rotors.

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PTG Introduces Powerstir Dual Weld-Head Friction Stir Welding For Electric Vehicle OEMs

UK-based Precision Technologies Group (PTG), the manufacturer of the globally acclaimed Powerstir range of friction stir welding machines, has introduced a number of dual weld-head FSW models specifically for use in the volume production of automotive battery tray floor assemblies from extruded aluminium panels.

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