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104 articles in total.

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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First of PTG Holroyd’s advanced new gear grinding centres ready to ship

The first of PTG Holroyd’s newly developed HG350 advanced gear and worm gear grinding centres are currently undergoing factory acceptance testing at the company’s Rochdale-based technology centre, in preparation for shipping to customers.

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Seventeenth PTG Holroyd EX Series rotor milling machine for premier air compressor manufacturer

One of the world’s leading air compressor machinery specialists has ordered what will be its seventeenth EX Series rotor milling machine from UK-based PTG Holroyd. Scheduled for build at PTG-Holroyd’s Rochdale-based technology centre later this year, the machine, a 3EX-R model, will be installed at one of the air compressor company’s North American manufacturing facilities. Able to rough mill rotor blanks of up to 350 mm in diameter, it will be used to produce rotors for portable and stationary air compressors.

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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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