The Shigiya GPS-30B.50 is a CNC cylindrical OD grinder with a reputation for the kind of high-rigidity, high-resolution work that has made Shigiya the standard for tight-tolerance round-part grinding in tool-and-die, hydraulic, automotive, and aerospace contract shops. This 2014 unit (S/N 2140088) carries an 11.8-inch swing over the table, a 19.68 inch center distance, and a grinding wheel envelope of 20 inch diameter by 3.93 inch wide on a 5 inch bore, with a maximum wheel speed of 33 m/s. The workhead spins from 15 to 600 RPM through a 4 Morse taper, the tailstock matches with a 4 MT taper and a 1.2 inch stroke, and the table swivels 11 degrees CCW for taper grinding. Operator control runs through a Fanuc CNC, and the unit is loaded with the production-grade option stack: an SBS SB-100 automatic wheel balancer, an SBS AE-1000 acoustic monitor for gap-elimination on rapid infeed, a shoulder lateral-locating gauge, an in-process sizing gauge, light safety curtains, a coolant system, and an integrated mist collector. Compared to the older Shigiya GP-30 and GPS-30 (non-B.50) builds from the early 2000s, the GPS-30B.50 brings updated Fanuc CNC integration, native SBS acoustic and balance-monitoring interfaces, and a stiffer base casting that holds tighter cylindricity under aggressive infeed than the earlier GP-series cycle could deliver. The SB-100 wheel balancer and AE-1000 gap-elimination acoustic monitor on this unit are factory-grade automation that earlier Shigiya cylindricals required as add-on integrations, and the in-process sizing gauge plus shoulder gauge combination turn this 30B.50 into a true closed-loop production grinder rather than a manually-staged tool-room machine. For shops running high-volume hardened-steel round parts to bearing-class tolerances, this Shigiya delivers the rigidity and feedback stack that competes directly with Studer and Okuma cylindricals at this size class. MakeShigiya ModelGPS-30B.50 Year2014 Product #17013 Price Please login to see price. Make an Offer Get a Quote Share Ask a Question About This Machine Stop sending bearing-class round parts to a sub-contractor because the toolroom grinder cannot hold cylindricity - this 2014 Shigiya GPS-30B.50 arrives with Fanuc CNC, SBS auto-balance and acoustic gap-detect, and in-process sizing the day it powers up. Shigiya is the brand high-tolerance shops trust for tight cylindrical work, and this GPS-30B.50 lands as a fully-equipped production grinder cell with safety curtains, mist collector, and coolant system already integrated - ready to drop into a hardened-steel round-part workflow without a six-month tooling spend. **All descriptions and specifications are preliminary and must be confirmed by buyer prior to purchase.** Live Tooling / Milling Specifications Spindle Second Spindle Tool Changer Turret Control Control Make/Model: Fanuc 0i-TD CNC Control Tailstock / Steadyrest Options Machine Options: Mist Collector Product Description: Swing: 11.8" Center Distance: 19.68" Grinding Wheel Capacity: 20 inch Diameter x 3.93 inch Wide x 5 inch Bore Max Wheel Speed: 33 m/s Workhead Speed: 15 to 600 RPM Workhead Taper: 4 Morse Taper Tailstock Taper: 4 Morse Taper Tailstock Stroke: 1.2" Table Swivel: 11 deg CCW / 0 deg CW SBS SB-100 Automatic Wheel Balancer SBS AE-1000 Acoustic Monitor (Gap Elimination) Shoulder (Lateral Locating) Gauge In-Process Sizing Gauge Light Safety Curtains Coolant Types: Flood Coolant