2-Flute 3-Step PCD Step Reamer – Modular Replaceable Head Design
Overview
Aoshiji® Custom Tool – 2-flute 3-step PCD step reamer with a modular, replaceable head for multi-diameter bore finishing in non-ferrous materials. The step reamer design allows three bore diameters to be machined in a single pass, supporting cycle time reduction and consistent bore quality in CNC production.
Supplied as a modular, replaceable head without an integrated shank, the tool is intended for use with ISO-standard or custom modular toolholding systems. This modular interface supports efficient replacement in production and helps reduce overall tooling cost.
Applications
- Multi-diameter bore finishing in automotive engine components
- Precision step reaming in aerospace aluminum and other non-ferrous structural components
- Port finishing for hydraulic and pneumatic control systems
- High-accuracy machining of non-ferrous materials, including aluminum alloys, copper, and composite materials
Key Features
- 2-flute geometry – Supports efficient chip evacuation and reduced cutting forces
- 3-step configuration – Enables three bore diameters to be machined in a single operation, supporting cycle time reduction
- PCD cutting edges – Provide high wear resistance and extended tool life in high-volume machining of non-ferrous materials
- Head-only modular design – Replaceable cutting head compatible with modular toolholding systems
- Dimensional accuracy – Bore tolerance up to IT6 under optimized machining conditions, with surface finish Ra ≤ 0.2–0.4 µm depending on workpiece material and process stability
Benefits
- Consolidates three reaming operations into a single process, supporting reduced machining time and improved process efficiency
- Modular tool concept with replaceable head helps reduce tooling inventory and simplifies tool management
- Improves bore surface quality and dimensional consistency, supporting reliable downstream assembly processes
- Compatible with both standard and customized modular toolholding systems, enabling flexible integration into existing production setups
- Supports extended tool life and stable cutting performance in non-ferrous machining applications using PCD cutting edges
Technical Specifications
| Parameter | Specification |
|---|---|
| Tool type | PCD Step Reamer (modular, replaceable head) |
| Cutting edges | 2 |
| Number of steps | 3 |
| Cutting material | PCD (Polycrystalline Diamond) |
| Diameter range | Customized per step (typical Ø4–Ø20 mm depending on application) |
| Shank type | Not included (for use with modular toolholding systems) |
| Application focus | Multi-diameter precision reaming |
Process Notes
For optimal reaming performance and dimensional consistency, a rigid CNC machine setup is recommended. An appropriate entry chamfer should be prepared to ensure stable tool engagement at the initial step. Coolant supply is optional depending on the workpiece material and chip evacuation requirements, while effective chip removal is critical when machining multi-step bores to maintain surface quality and tool life.
Options & Customization
Step counts available: 2-step, 3-step, 4-step, or multi-step configurations
Custom step geometry, including equal or unequal step lengths
Available with through-coolant or without through-coolant (optional)
Compatible with ISO-standard modular holders and custom toolholding systems
Offered in both modular head-only and shank-integrated versions
Related Tools
For related modular reaming and precision hole-finishing solutions, you may also review the following tools:
Related Products
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Contact
For detailed step dimensions, bore tolerances, or modular holder compatibility, please contact:
[email protected]
[email protected]
Aoshiji® Custom Tool – Precision PCD and Custom CNC Tooling Solutions.
