TG-12×4 Thrufeed Microsize
The TG-12×4 Microsize is a great alternative for projects that need better accuracy then the standard sizing dial can offer, but don’t require the resolution of the Hi-Accuracy models. The operator simply uses a pulse generator pendant to make size compensations in .00004” (1 micron increments). This machine is also ideal for customers that enjoy the glass scale with digital readouts for ease of operator use.
Thrufeed grinding of many different types of parts has become easier with the Royal Master Thrufeed Microsize system. With the addition of a stepping motor on the ram, as well as a hand-held pulse generator, the operator has finite control over the regulating wheel’s positioning for size.
Many customers that use the Microsize are grinding carbide or ceramic materials with diamond wheels. They find that compensating for size is simple and easy, and they can utilize fine grit diamond wheels without concerns. Sizing in the regulating wheel in 1 micron increments gives the operator precise control over the part’s diameter. However, the Microsize also makes set-ups easier. The Microsize has a set-up mode that allows the operator to run the machine in a safe mode with the wheels off. They can dial the regulating wheel back up to 2” in stroke to allow access for easy grinding wheel changes.
The TG-12×4 has been a current production model for over 70 years, and its evolution since its introduction has been constant. Many types of new automation have been coupled with the machine to increase its productivity. For thrufeed grinding, we have added step, bowl, and magazine feeding systems. Post grinding, gauging with feedback can be added and a full suite of data analytics are available.
The Thrufeed Microsize system is:
12” Diameter Grinding Wheel, 6” Diameter Regulating wheel
Optional Variable Frequency Drive on grinding wheel spindle for super abrasives or maintaining constant surface footage when grinding.
Thrufeed Grind Capability
Thrufeed Grind with fine resolution positioning to 0.000,010” of an inch or 1/4 micron increments
2” of Ram Bed travel allowing for removal of Grinding Wheel
Available SBS Wheel balancing and Acoustic Emissions
Engineer Deep Dive
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