The Shigiya GP-45D is a high-capacity cylindrical grinder engineered for precision grinding of medium to large workpieces. It delivers consistent accuracy through a rigid machine structure, stable thermal performance, and smooth, reliable grinding behavior over long production runs. As a result, the GP-45D supports dependable throughput while maintaining tight tolerances and consistent part quality in demanding production environments.
The GP-45D is a robust yet space-conscious compact CNC cylindrical grinder built for small-part production that demands precision and efficiency. Its compact design fits easily into tight shop layouts while still offering the performance and stability expected in advanced grinding applications. Because of its rigid frame and thermally stable components, this compact CNC cylindrical grinder maintains accuracy throughout long production runs. Whether you’re working with steel, carbide, or specialty alloys, the GP-45D ensures repeatable results.
The GP-45D functions as a reliable high-precision grinding machine, offering tight control over diameter, roundness, and surface finish. Its advanced wheel head, fine-feed control, and servo-driven axes help operators achieve precise outcomes on complex geometries. Since the machine is engineered for precision, it supports industries where dimensional accuracy is critical. As a high-precision grinding machine, the GP-45D is ideal for aerospace, automotive, and medical part production.
Built for modern production, the GP-45D integrates smoothly with automated grinding solutions. Its CNC platform supports robotic loading, conveyors, and pallet systems, making lights-out manufacturing easy to implement. These automated grinding solutions reduce labor requirements, increase uptime, and help maintain consistent part quality. As a result, manufacturers can scale output without compromising process control.
As durable precision machining equipment, the GP-45D provides consistent performance and low-maintenance operation. Its servo systems allow for smooth motion, while the control interface simplifies complex setups. In addition, this precision machining equipment supports fast changeovers and reduces cycle time, helping shops stay agile in fast-paced environments.
The GP-45D also excels as a small parts grinding machine, handling fine-featured components with ease. Its tooling options and grinding envelope make it well-suited for pins, bushings, shafts, and other compact components. Because of its speed and control, this small parts grinding machine helps operators maintain part integrity while meeting short lead times. It’s a reliable asset for high-mix, small-batch production and continuous runs alike.
Metric
| Specifications | Units | |
|---|---|---|
| Swing Over Table | mm | 450 |
| Distance Between Centers | mm | 1000, 1500, 2200, 3000, 4000, 5000, 6000 |
| Weight Capacity | kg | 1000 |
| Machine Weight | kg | 6700 / 7400 / 8400 / 9500 / 11000 / 12500 610 / 760 |
| Wheel Size OD | mm | 610/760 |
| Wheel size width | mm | 130* |
| Wheel spindle | KW | 11 / 15 |
Standard
| Specifications | Units | |
|---|---|---|
| Swing Over Table | inch | 17.72 |
| Distance Between Centers | inch | 39.37 / 59.06 / 86.62 / 118.11 / 157.48 / 196.85 / 236.22 |
| Weight Capacity | lbs | 2204.62 |
| Machine Weight | Ibs | 14770.97 / 16314.21 / 18518.83 / 20943.91 / 24250.85 / 27557.78 |
| Wheel Size OD | inch | 24.02 / 29.92 |
| Wheel size width | inch | 5.12* |
| Wheel spindle | HP | 14.75 / 20.12 |
The Shigiya GP-45D is a large CNC cylindrical grinder for programmable OD grinding on large-diameter and long components. 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 45-class GP-D platform is part of Shigiya’s large table-traverse range. Published GP-65/85/100D data covers 650, 850, and 1,000 mm swing classes, center distances extending to several meters, loads up to 3,000 kg, and a 915 mm grinding wheel. 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 GP-45D include:
CNC wheelhead and table control coordinate multiple diameters, shoulders, and traverse zones across long, heavy parts.
Center load, drive torque, steady-rest placement, and crane access must be developed around the real shaft rather than maximum catalog dimensions alone.
Abrasive type, grade, bond, wheel dimensions, dress form, and dressing interval must be matched to material, stock allowance, finish, and cycle time. The GP-45D 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 GP-45D can hold the required size, roundness, cylindricity, and surface finish through production.
The difference is not limited to nominal swing. Center distance, grinding diameter, supported mass, wheel size, machine footprint, loading method, and available options may change, so both models should be compared against the same representative part family.
It can be configured for precision grinding, but achievable capability depends on part geometry, support, stock, wheel condition, thermal control, setup, and measurement. A process study should define the expected tolerance distribution.
Options may include grinding between centers, chucking, special arbors, center-drive arrangements, steady rests, and dedicated fixtures. Selection follows the part datums, drive torque, accessibility, distortion risk, and finished-surface protection.
In-process gauging is valuable when wheel wear, thermal drift, incoming stock, or long unattended runs could move size outside the required range. Gauge location and compensation logic must be compatible with the feature and cycle.
Provide the full print, material and hardness, starting diameters, stock allowance, grinding lengths, tolerance, finish, wheel specification, dress method, loading time, gauge steps, spark-out, and annual volume.