The Shigiya GPC-40B is a high-capacity production cylindrical grinder built for precision grinding of larger workpieces. It delivers stable, repeatable accuracy through a rigid machine structure, consistent thermal performance, and smooth grinding motion over extended production runs. As a result, the GPC-40B supports dependable throughput while maintaining tight tolerances and consistent part quality in demanding production environments.
The GPC-40B is a rigid and reliable high-precision grinding machine engineered for manufacturers focused on accuracy, part consistency, and production speed. Its robust construction and thermally stable components allow for stable grinding across long runs, even under continuous operation. Because the machine maintains precise control over wheel positioning and part geometry, this high-precision grinding machine supports micron-level tolerances. Whether working in aerospace, automotive, or medical sectors, shops rely on its consistent output for demanding small-part grinding.
Designed for integration, the GPC-40B supports a wide range of automated grinding solutions. Its open CNC architecture makes it easy to connect with robotic arms, loaders, and conveyors. As a result, it seamlessly fits into high-efficiency, lights-out manufacturing environments. Additionally, with the rise of automation in precision machining, this model allows manufacturers to reduce labor costs and improve throughput. The GPC-40B’s compatibility with automated grinding solutions helps teams scale output while maintaining high-quality standards.
The GPC-40B also operates as dependable precision machining equipment for grinding operations that require repeatable results and minimal deviation. It handles a wide variety of materials with ease, maintaining finish quality even at high speeds. Moreover, as precision machining equipment, it simplifies production for operators by delivering stable performance without complex setup. This machine is engineered to support uptime and reduce rework in critical production lines.
As a specialized small parts grinding machine, the GPC-40B handles intricate components and small geometries with consistent control. Its footprint is compact, yet the machine offers large-scale capability, allowing it to fit into space-conscious environments without limiting performance.
When shops need to produce medical pins, shafts, gears, or sleeves, this small parts grinding machine provides the balance of speed and accuracy needed to stay competitive. It’s an ideal solution for small-batch precision work and continuous production alike.
Metric
| Specifications | Units | |
|---|---|---|
| Swing Over Table | mm | 410 |
| Distance Between Centers | mm | 350 |
| Weight Capacity | kg | 150 |
| Machine Weight | kg | 5600 |
| Wheel Size OD | mm | 510 / 610 |
| Wheel size width | mm | 125* |
| Wheel spindle | KW | 5.5/7.5/ 11 / 15 |
Standard
| Specifications | Units | |
|---|---|---|
| Swing Over Table | inch | 16.14 |
| Distance Between Centers | inch | 13.78 |
| Weight Capacity | lbs | 330.69 |
| Machine Weight | Ibs | 12345.89 |
| Wheel Size OD | inch | 20.08 / 24.02 |
| Wheel size width | inch | 4.92* |
| Wheel spindle | HP | 7.38 / 10.06 / 14.75 / 20.12 |
The Shigiya GPC-40B is a compact CNC cylindrical grinder for production shaft and chucking work within a space-conscious grinding platform. 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 40-class GPC platform combines programmable cylindrical grinding with a compact machine layout. Swing, center distance, wheel package, work load, and automation readiness vary by model and should be matched to the complete fixture and part. 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 GPC-40B include:
The machine concentrates programmable OD grinding in a smaller footprint for facilities and cells where floor space is limited.
Compact work zones can reduce robot reach and transfer distance, provided doors, chucking, gauging, and finished-part handling are coordinated.
Abrasive type, grade, bond, wheel dimensions, dress form, and dressing interval must be matched to material, stock allowance, finish, and cycle time. The GPC-40B 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 GPC-40B can hold the required size, roundness, cylindricity, and surface finish through production.
GPC-40B is most valuable when its compact cnc cylindrical grinder configuration directly addresses the part’s size, feature access, work support, or production sequence. Selection should be based on a documented process advantage rather than model familiarity.
Confirm which surfaces require straight, angular, internal, face, or specialty access; then check wheel diameter, width, swivel or approach, guard clearance, dressing location, and interference with workholding.
Yes, but hardened steel, stainless, carbide, coatings, and other materials can require different abrasives, bonds, speeds, coolant, filtration, dress tools, and stock allowances. Cross-contamination and changeover should also be considered.
Common contributors include thermal change, wheel wear, dress variation, part deflection, center condition, coolant temperature, gauge repeatability, stock variation, and inconsistent spark-out. Process data should identify the dominant source before compensation is changed.
Foundation, leveling, vibration from nearby equipment, ambient temperature, power, air, coolant system, mist collection, material handling, and maintenance access all affect long-term performance and should be reviewed before delivery.