Holroyd Precision Limited
Harbour Lane N
Rochdale, OL16 3LQ GB
Precision Technologies Group
A Message from Holroyd Precision Limited
As Seen In Modern Machine Shop
Rotor Milling Machines Efficiently Produce Helical Screw Profiles, Worm Shafts
Holroyd EX-series CNC rotor milling machines are designed for high speed, precision and reliability.
Holroyd Precision Appoints U.S. Sales Representative
The Cincinnati-based distributor will offer machine tools for manufacturing helical components.
Profile Management Software Aids Production of Helical Components
Designed for use with its grinding machines, Holroyd Precison's Holroyd Profile Management System (HPMS) is an optional desktop suite of software for helical component design and management.
PTG Signs Agreement with University
A memorandum of understanding has created two new positions within the University of Huddersfield and has implications for future research and development.
Helical Profile Milling Machine Enables Dry Machining
Holroyd Precision’s EX series 8EX helical profile milling machine is capable of producing complex components with helical screw profiles and gear parts such as worm shafts ranging to 850 mm (33") in diameter.
Holroyd Precision Apprentices Recognized
Four apprentices from Rochdale Training in the UK received awards.
February 2014 Product Spotlight: Grinding
Click through this slideshow to see the grinding products featured in February's Modern Equipment Review Spotlight section.
Grinding Stations Designed for Worm Gear Manufacture
Holroyd Precision’s WG grinding stations are designed to provide high levels of accuracy and finish in worm gear shaft production.
Friction Stir Welders Capable of Jointing Difficult Alloys
Precision Technologies Group (PTG) Heavy Industries will display its Powerstir friction stir welder.
Grinding Machine Accommodates Range of Abrasives
Holroyd’s Zenith 400 helical profile grinding machine has the capability to use three different grinding abrasives: vitrified aluminum or silicon oxide; “diamond hard,” plated CBN; and vitrified, dressable CBN.
Rotor Grinder Handles Helical Screw Components
The TG 350E rotor grinding machine from Precision Technologies Group’s Holroyd Machine Tools and Components division is designed to grind a variety of helical screw components.
Grinder Combines Three Technologies
The Zenith grinding machine uses three grinding technologies—aluminum oxide, "diamond-hard" plated cubic boron nitride (CBN) and vitrified CBN—to grind rotors as large as 420 mm.
Precisely Grind Helical/Spur Gears
The Holroyd gear and thread grinder, GTG2, is designed for precision grinding of helical/spur gears in diameters ranging to 350 mm. According to the company, the machine can grind small batches of these gears to high levels of DIN and AGMA quality standards.