The S31, the company’s latest addition to its Studer line of high-performance universal cylindrical grinders, is available.
Features include a modular design for quick setup and change-over; a Fanuc 16i digital control and axis drive (a Fanuc 2li is optional); a digital direct-drive and three-phase servomotors, with 40-mm diameter prestressed ballscrews powering the X and Z axes; and step-by-step programming, all of which make the machine suitable for flexibility in internal and external cylindrical grinding applications. The center height is 175 mm, with a between-centers grinding length of 650 mm or 1,000 mm. Other specifications include a wheel size of 500 mm × 63 mm × 203 mm and a 130-kg chuck capacity between centers.
A dual wheelhead arrangement presents two external grinding wheels for rough and finishing grinding in the same setup. The two wheels are diagonally positioned and have independent, programmable spindle drive systems to fully optimize the process, the company says. Another wheelhead configuration is left/right, with internal grinding for universal applications, which allows OD, face and ID grinding in one setup.
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This shop uses a simple toolholding device on a machine meant for unattended tool production to regrind tools that already have their precision geometry.