The Shigiya GPS-30B is a production-ready cylindrical grinder built for high-precision grinding of medium-sized components. It delivers stable, repeatable accuracy through a rigid machine structure, consistent thermal performance, and smooth grinding motion over extended operating cycles. As a result, the GPS-30B supports reliable throughput while maintaining tight tolerances and consistent part quality in production grinding environments.
The GPS-30B is a purpose-built piece of industrial grinding machinery designed to support high-precision shaft production. Its robust construction, precise slide system, and stable thermal characteristics allow consistent performance in demanding production environments. Because this industrial grinding machinery delivers reliable accuracy, it meets the requirements of manufacturers in the automotive, aerospace, and toolmaking sectors. It supports both small-batch and continuous production lines without sacrificing part quality.
At the core of the GPS-30B is its advanced CNC grinding technology. The machine’s servo-driven axes, intelligent control interface, and programmable wheelhead movement enable precise, repeatable grinding for complex profiles and tight tolerances. This advanced CNC grinding technology also supports real-time process monitoring and simplified job changes, which helps reduce downtime and improves operational control.
Engineered as a compact grinding machine, the GPS-30B provides full grinding capability in a space-efficient format. Its small footprint allows integration into lean manufacturing cells while still delivering the performance of larger machines. This compact grinding machine fits easily into facilities where floor space is limited but precision requirements remain high. It serves applications that involve shaft grinding, small parts, and toolroom components.
The GPS-30B functions effectively as a CNC machine for shafts, supporting roundness, surface finish, and dimensional control on each cycle. Its wheel spindle, programmable tailstock, and automatic dressing system contribute to consistent output across different shaft geometries. Because this CNC machine for shafts handles various diameters and lengths, it allows manufacturers to consolidate operations and maintain accuracy from part to part.
The GPS-30B serves as a practical hard turning alternative, offering greater control over surface finish and geometry. In applications where hard turning introduces variation, this machine provides consistent grinding performance without thermal deformation. Manufacturers often choose this hard turning alternative when tolerance requirements are strict and repeatability is essential.
Metric
| Specifications | Units | |
|---|---|---|
| Swing Over Table | mm | 300 |
| Distance Between Centers | mm | 500, 750, 1000, 1500, 2000 |
| Weight Capacity | kg | 150 |
| Machine Weight | kg | 2800 / 3100 / 3800 / 4600 |
| Wheel Size OD | mm | 405 / 455 / 510 |
| Wheel size width | mm | 100 |
| Wheel spindle | KW | 3.7/5.5 |
Standard
| Specifications | Units | |
|---|---|---|
| Swing Over Table | inch | 11.81 |
| Distance Between Centers | inch | 19.69 / 29.53 / 39.37 / 59.06 / 78.74 |
| Weight Capacity | lbs | 330.69 |
| Machine Weight | Ibs | 6172.94 / 6834.33 / 8377.57 / 10141.26 |
| Wheel Size OD | inch | 15.94 / 17.91 / 20.08 |
| Wheel size width | inch | 3.94 |
| Wheel spindle | HP | 4.96 / 7.38 |
The Shigiya GPS-30B is a high-production CNC cylindrical grinder for repeatable straight and stepped OD grinding across recurring part families. A.W. Miller Technical Sales supplies and supports Shigiya grinding equipment throughout New York, Pennsylvania, Maryland, Delaware, Southern New Jersey, and Quebec, with application engineering, installation, training, and factory-certified service.
The 30-class GPS platform is configured around programmable infeed, table movement, automatic dressing, and production gauging options. Swing, center distance, supported load, and wheel dimensions must be confirmed for the selected size and bed length. Final machine selection should be based on the complete workpiece, stock allowance, tolerance, surface finish, wheel and dressing package, workholding, gauging, coolant system, automation target, and production rate.
Applications commonly evaluated for the Shigiya GPS-30B include:
CNC infeed and table control support recurring diameter, shoulder, and traverse sequences with controlled compensation.
Automatic dressing and optional gauging can manage wheel condition and size drift across longer production runs.
Abrasive type, grade, bond, wheel dimensions, dress form, and dressing interval must be matched to material, stock allowance, finish, and cycle time. The GPS-30B process should be validated with the complete wheel and coolant package.
Centers or chucking, drive method, support, coolant filtration, temperature control, and gauge strategy determine whether the GPS-30B can hold the required size, roundness, cylindricity, and surface finish through production.
The 30-class GPS platform is configured around programmable infeed, table movement, automatic dressing, and production gauging options. Swing, center distance, supported load, and wheel dimensions must be confirmed for the selected size and bed length. The correct size is the smallest configuration that clears the complete part and workholding while meeting load, wheel, and process requirements.
Yes, when the wheel access, program, work support, and gauge plan allow it. Each diameter and shoulder must be checked for collision, stock condition, wheel form, dwell, traverse direction, and dressing demand.
Automation may include loading, chuck or center confirmation, in-process gauging, wheel dressing, part washing, and discharge. A stable manual process should be proven before unattended recovery logic is finalized.
Wheel specification and condition, dress parameters, work speed, traverse or plunge rate, spark-out, coolant delivery, vibration, and incoming stock all affect finish. A slower feed alone does not correct an unstable grinding system.
Flow, pressure, temperature stability, nozzle placement, filtration level, tank capacity, and material contamination must support both the wheel and tolerance. The coolant system should be treated as part of the machine process.