Precision CNC Machining for Heavy Parts & Complex Geometries
Overview
Precision CNC Machining for Heavy Parts & Complex Geometries, listed by UNION LLC. Published figures include tolerance ±0.02mm precision on large-format parts, spindle speed Up to 24,000 RPM for high-speed machining and positioning accuracy ±0.005mm with thermal compensation.
Technical specifications
| Tolerance | ±0.02mm precision on large-format parts |
|---|---|
| Capacity | 50,000㎡ facility with dedicated climate-controlled machining workshop |
| Surface Finish | Ra 0.8–3.2μm; anodizing, plating, painting, powder coating available |
| Spindle Speed | Up to 24,000 RPM for high-speed machining |
| Tool Capacity | 40-60 tool magazines with automatic tool changers |
| Positioning Accuracy | ±0.005mm with thermal compensation |
| Engineering Plastics | PEEK, Delrin, PTFE, nylon |
| Linear Dimensions | ±0.01mm (±0.0004") standard geometric tolerance |
| Positional Tolerance | 0.02mm true position per GD&T (ASME Y14.5) |
| Surface Roughness Ra | Ra 0.4-3.2μm depending on application |
| Thread Accuracy | 6H/6g class fits per ISO 965 |
| Measurement Range | 1000mm x 1200mm x 800mm |
| Surface Roughness Tester | Mitutoyo SJ-410 for surface roughness Ra measurement |
| Hardness Testing | Rockwell, Brinell, Vickers methods |
| Thread Gauges | Go/No-Go gauges for thread verification |