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Carbon Steel Fixture Base
This carbon steel tooling base is a high-precision fixture component designed for CNC machining centers, automated production lines and assembly workstations. Made of high-strength carbon steel and processed via precision CNC milling, it features a multi-hole positioning structure and high flatness surface. It provides stable, repeatable mounting and positioning for workpieces and fixtures, ensuring high-precision machining and assembly accuracy in mass production environments.
- Machining Process: Precision CNC milling, drilling, tapping, heat treatment optional
- Material: Carbon Steel (1045, customizable)
- Accuracy: ±0.01 mm
- Surface Finish: Black oxide / Phosphating optional
- Feature: High rigidity, high positioning accuracy, durable
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Stable Tooling Platform Under Cutting and Clamping Loads
The carbon steel fixture base provides a rigid reference platform for workholding, part location and repeated fixture setup. Made from high-strength carbon steel, the plate withstands cutting forces, clamping pressure and repeated loading without the flex commonly associated with lighter materials. Its mass also helps absorb vibration during milling, drilling and tapping operations.
Precision CNC milling establishes the top datum, side references and mounting surfaces before the hole pattern is completed. Processing these features within a controlled coordinate system keeps locating holes, threaded ports and positioning-pin bores tied to the same dimensional reference. Key tolerances can reach ±0.01 mm when the plate size, feature layout and inspection method support the requirement.
Multi-Hole Layout for Adaptable Workholding
The tooling surface can include threaded holes, dowel-pin locations, counterbores, slots and recessed pockets. These features allow clamps, stops, support blocks and interchangeable nests to be arranged for different workpieces. A well-planned hole pattern also makes fixture changes faster because locating components return to defined positions rather than relying on manual measurement.
Plate thickness, rib placement and material allowance can reflect the expected cutting load. Stress-relief treatment may be added before finish machining when the base has a broad surface or substantial material removal. Optional heat treatment raises hardness around high-contact areas, while black oxide or protective coatings reduce corrosion during storage and workshop operation.
Core Advantages & Applications
Common Applications
- CNC Machining Centers: Fixture bases for batch machining of workpieces
- Automated Production Lines: Positioning bases for robotic handling and assembly
- Assembly Workstations: Mounting bases for jigs and assembly fixtures
- Mold & Die Making: Base plates for mold components and auxiliary fixtures
Flatness, hole position, perpendicularity, thread quality and datum relationships can be verified before release. The finished carbon steel fixture base supports interchangeable tooling, repeated workpiece location and stable batch machining while reducing setup correction between production cycles.
Specification Table
| Parameter | Details |
| Material | 1045 Carbon Steel (other grades available upon request) |
| Machining Process | Precision CNC milling, drilling, tapping, optional heat treatment |
| Dimensional Tolerance | ±0.01 mm (custom precision available) |
| Surface Finish | Black oxide, phosphating (Optional) |
| Flatness Tolerance | ≤0.02 mm (customizable) |
| Size Range | Custom per customer drawings |
| Quality Control | CMM dimensional inspection, flatness test, thread gauge test, hardness test (if heat treated) |
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