Machines

HG350-G Gear Grinding Centre

PTG Holroyd HG Series gear grinding centres set the standard for the production of helical gears.

Building on the successes of the PTG Holroyd GTG2 helical gear grinding centre, we are delighted to introduce the HG350-G, our latest technology for the production of gears and threads of up to 350 mm in diameter.

The first machine tool from PTG Holroyd to use Siemens’ new Sinumerik ONE future-proof CNC, the HG350-G offers greater levels of flexibility for manufacturers of precision spur gears, helical gears, worms, screws and rotors.

To better meet the needs of today’s busy production environments, the HG350-G features an extended machine bed to accommodate screws and worm shafts of up to one metre in length. A self-contained production cell, the HG350-G combines the high power required for deep grinding operations, with uncompromising levels of precision finish.

Grinding cycles are included for: spur gears, helical gears, crowned helical and spur gears with root or tip relief, worm gears of the form ZK, ZI, ZN and ZA, dual lead (duplex) worm gears, and splines.

Key Features

HG350-G

  • Developed for prototyping, batch and volume production
  • Machining process compensates for helical twist
  • Advanced 24” multitouch-screen interface
  • Siemens’ Sinumerik ONE CNC + Holroyd’s intuitive HMI
  • Extended machine bed for greater manufacturing capability
  • Integrated profile management system
  • Fully automatic programmable cycles
  • Automatic grinding wheel balancing system
  • ‘On machine’ component inspection
  • Advanced in-process wheel dressing system

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