Custom metal components designed for four-axis CNC machining centers, manufactured to customer drawings and supporting multiple machining processes.
Overview- Referenced CNC machine types: four-axis machining centers; also applicable to CNC lathes, CNC drilling machines and CNC milling machines.
- A four-axis machining center integrates milling, drilling, reaming, boring, tapping and thread milling in a single system, enabling multiple processes within one setup.
- Products are customizable and manufactured according to customer-provided drawings.
Benefits of four-axis machining- Reduces number of workpiece setups, minimizing positioning errors from multiple clampings and improving overall machining accuracy.
- Enables completion of multiple features in one setup to ensure required positional accuracy between features.
- Commonly uses semi-closed-loop or fully closed-loop position compensation systems for high positioning accuracy and repeatability, with real-time compensation of dimensional errors during machining.
- Reduces auxiliary load/unload time and tooling needs, potentially lowering overall production costs.
Processing considerations- High rigidity and power allow larger cutting parameters to reduce machining time, but increased temperatures may affect accuracy.
- Choosing appropriate cutting tools and fixtures and ensuring sufficient cooling during cutting are essential to maintain dimensional accuracy.
Process planning and machining sequence- Plan processes by defining reference surfaces, datum holes and machining allowances; consider final accuracy and heat treatment when deciding operations to complete in a single setup.
- Complex parts may still require multiple setups due to thermal deformation, internal stress or clamping distortion.
- Follow rough-to-finish principle: heavy cutting and roughing first, allow intermediate cooling, then finishing operations.
- Recommended sequence: rough and finish milling of large planes → rough boring → finish boring → vertical milling → center drilling → drilling → tapping → hole and surface finishing (reaming, boring, finish milling).
Characteristics / technical specifications- Customization: Manufactured according to customer drawings.
- Applicable machines: Four-axis machining centers (also applicable to CNC lathes, CNC drilling machines, CNC milling machines).
- Supported processes: Milling, drilling, reaming, boring, tapping, thread milling.
- Positioning systems: Semi-closed-loop or fully closed-loop compensation systems commonly used for high positioning accuracy and repeatability.
- Primary advantages: Fewer setups, improved positional accuracy, reduced tooling and auxiliary time, potential cost savings.