A CNC 5-axis rotary table adds rotary and tilting axes for positioning a workpiece. Before choosing a model, confirm whether your application needs 3+2 positioning or simultaneous 5-axis machining; the table alone does not establish your machine’s simultaneous machining capability.
Start with four checks: the intended machining mode, machine and controller integration, the combined workpiece and fixture load, and clearance throughout the required movement. Use the guide below to prepare your requirements before comparing model configurations.
What Is a CNC 5-Axis Rotary Table?
A CNC 5-axis rotary table is a rotary positioning system that combines rotary and tilting movement.
Depending on the configuration, it can be used for:
- 5-axis machining
- Multi-sided machining
- Complex workpieces
- Angled machining
- Precision positioning
- Reduced workpiece setups
The actual movement range and technical capabilities depend on the individual model.
Why Use a 5-Axis Rotary Table?
A conventional rotary table primarily provides rotary positioning.
A CNC tilting rotary table adds another controlled movement, allowing the workpiece to be positioned at different angles.
This can provide several practical benefits.
Access to More Workpiece Surfaces
Tilting the workpiece can provide access to surfaces that are difficult to machine from a fixed position.
Fewer Setups
A suitable 5-axis configuration can reduce the need to manually reposition the workpiece between operations.
More Flexible Machining
Rotary and tilting movements can provide greater flexibility for complex machining operations.
Improved Workpiece Accessibility
Different tool approaches can be achieved by changing the orientation of the workpiece.
1. Check Your CNC Machine
The first step is to confirm your CNC machine configuration.
Provide information such as:
- CNC machine model
- Vertical or horizontal machining center
- Machine table dimensions
- Available installation space
- CNC control system
- Available axis configuration
- Installation orientation
A 5-axis rotary table must physically fit the machine and be compatible with its control system. First specify whether your process needs 3+2 positioning or simultaneous 5-axis machining.
3+2 Positioning or Simultaneous 5-Axis Machining?
3+2 positioning: the rotary and tilting axes orient the workpiece before a 3-axis cutting operation. This can suit drilling, milling and machining several faces at fixed angles.
Simultaneous 5-axis machining: linear and rotary axes move together during cutting. It requires a compatible machine, control, rotary table and CAM/postprocessor configuration.
A table with two rotary axes does not by itself make an existing machining center capable of simultaneous 5-axis cutting. Confirm the intended operating mode with the machine builder or integrator before selecting a model.
2. Consider the Workpiece Dimensions
Workpiece size is one of the most important factors when choosing a 5-axis rotary table.
Consider:
- Length
- Width
- Height
- Weight
- Required machining access
- Workholding requirements
Check the swept envelope of the complete workpiece, chuck and fixture through every required rotary and tilt position. Include clearance to the spindle, toolholder, machine enclosure and nearby fixtures, as well as usable Z-axis travel.
Request the installation drawing and check mounting dimensions, center height and cable or hose routing. Table diameter alone does not establish whether the assembled setup will fit or whether the tool can reach every required surface.
3. Consider Workpiece Weight
The total load may include:
- Workpiece
- Chuck
- Fixture
- Clamping components
- Other accessories
Check the published load rating for the actual table orientation and tilt angle. A horizontal load rating should not be assumed to apply when the table is tilted. Include the mass of the fixture and chuck when checking the permitted load.
The required capacity should be evaluated together with the actual machining forces, load offset and workholding configuration. Use the TRNC model comparison to shortlist models by table diameter, through-hole, tilt range and orientation-specific load capacity, then confirm the complete setup with the supplier.
4. Check Rotary and Tilting Range
One of the main differences between 5-axis rotary tables and conventional rotary tables is the additional tilting movement.
When comparing models, check:
- Rotary range
- Tilting range
- Tilting direction
- Mechanical clearance
- Required machining angles
The required range depends on the workpiece geometry and machining process.
A larger movement range is not automatically necessary for every application.
5. Check Indexing Accuracy and Repeatability
Accuracy is important when the rotary table is used for precision machining.
Review:
- Rotary positioning accuracy
- Tilting positioning accuracy
- Repeatability
- Required machining tolerance
For production applications, repeatability can be particularly important because the rotary and tilting axes may be used repeatedly.
Check accuracy and repeatability separately for the rotary and tilting axes. Compare the manufacturer’s published specifications with your part tolerances; a table positioning specification alone does not guarantee the finished part tolerance. Our CNC rotary table specifications guide explains the main terms to review.
6. Check Maximum Speed
Maximum rotary and tilting speed should match the machining process.
Consider:
- Positioning speed
- Continuous rotary requirements
- Workpiece weight
- Workpiece dimensions
- Machining process
For many applications, positioning accuracy and stability may be more important than maximum speed.
7. Check Clamping and Braking
A 5-axis rotary table must maintain stable positioning during machining.
The required clamping or braking capability depends on:
- Workpiece weight
- Workpiece dimensions
- Cutting forces
- Workholding system
- Machining application
For demanding applications, confirm the relevant technical specifications before purchase.
8. Check CNC Control Compatibility
Control compatibility is especially important for a 5-axis configuration.
Before requesting a quotation, provide:
- CNC machine model
- CNC control system
- Required rotary axis
- Required tilting axis
- Servo requirements
- Installation orientation
Provide the exact controller model and version, available axis options, and servo motor, drive and encoder details. Ask the machine builder or integrator to confirm axis integration and clamp/unclamp signals. Matching the controller brand alone is insufficient.
For simultaneous machining, also confirm the supported machine kinematics, any required control options, tool-center-point functions where applicable, and a suitable CAM postprocessor. Request written confirmation of the intended machining mode for your machine and rotary table combination.
9. Consider the Workholding System
The rotary table and workholding system should be considered together.
Possible workholding options may include:
- CNC chuck
- Pneumatic chuck
- Hydraulic chuck
- Manual chuck
- Custom fixture
- Special workholding system
The selected chuck or fixture must provide sufficient clearance for the rotary and tilting movements.
5-Axis Machining Applications
CNC 5-axis rotary tables can be used in applications where flexible workpiece positioning is required.
Complex Workpieces
Components with multiple angled surfaces can benefit from rotary and tilting positioning.
Multi-Sided Machining
A 5-axis rotary table can help access several surfaces without repeatedly removing the workpiece.
Angled Machining
Tilting allows the workpiece to be positioned at different angles for machining operations.
Precision Components
Controlled rotary and tilting positioning can support applications requiring repeatable positioning.
Reduced Setup Operations
A suitable configuration can reduce manual repositioning between machining operations.
5-Axis Rotary Table Selection Checklist
Before requesting a quotation, prepare:
| Item | Information |
|---|---|
| CNC machine | Machine model |
| CNC control | Exact control model/version, enabled axis options and servo details |
| Machining mode | 3+2 positioning or simultaneous 5-axis cutting |
| Machine type | Vertical or horizontal |
| Workpiece | Dimensions |
| Workpiece weight | Workpiece plus chuck/fixture weight, load offset and required tilt angles |
| Workholding | Chuck or fixture |
| Table size | Required diameter |
| Rotary range | Required rotary movement |
| Tilting range | Required tilting movement |
| Accuracy | Required positioning accuracy |
| Repeatability | Required repeatability |
| Speed | Required rotary/tilting speed |
| Clearance | Assembly swept envelope, tool access, Z travel and installation drawing |
| Quantity | Required quantity |
Providing this information helps identify suitable configurations more efficiently.
CNC 5-Axis Rotary Table vs Conventional Rotary Table
A conventional CNC rotary table primarily provides rotary positioning.
A 5-axis rotary table adds a tilting movement, which can provide additional flexibility for complex machining.
The choice depends on the application.
A conventional rotary table may be suitable when the main requirement is rotary positioning and multi-sided machining.
A 5-axis configuration may be considered when the machining process requires different workpiece orientations or angled access.
The actual product specifications should always be checked before selecting a configuration.
Comparing specific models? Use our TRNC-255A vs TRNC-255B vs TRNC-321 comparison to review load limits, tilt ranges and installation differences before requesting a configuration review.
How ROTIVEX Helps
ROTIVEX provides CNC rotary and workholding solutions for global buyers.
We help buyers identify suitable 5-axis rotary table options based on:
- CNC machine configuration
- Workpiece dimensions
- Workpiece weight
- Rotary requirements
- Tilting requirements
- Accuracy requirements
- Workholding configuration
- CNC control system
We coordinate with our supply partners to provide suitable product options and available technical information for quotation.
Frequently Asked Questions
What is a 5-axis rotary table?
A 5-axis rotary table combines rotary and tilting positioning to provide additional workpiece orientation for machining applications.
What is a tilting rotary table used for?
A tilting rotary table can be used when the workpiece needs to be positioned at different angles for machining.
Is a 5-axis rotary table suitable for multi-sided machining?
Yes. A suitable 5-axis configuration can provide flexible access to multiple workpiece surfaces.
How do I choose the right 5-axis rotary table?
Start with your CNC machine model, workpiece dimensions and weight, required rotary and tilting movement, accuracy, workholding system and CNC control requirements.
Do I need to provide my CNC control system?
Yes. Control compatibility should be confirmed before purchasing a 5-axis rotary table.
Need Help Choosing a 5-Axis Rotary Table?
Tell us your CNC machine model, workpiece requirements and machining application.
ROTIVEX can help identify suitable 5-axis rotary table options and coordinate available technical information and quotation with our supply partners.
Need reference information? Browse the ROTIVEX CNC rotary-table catalogue in Resources, or use the optional technical inquiry worksheet to organise your machine and application details. Start with what you know; you do not need to complete every technical detail before contacting us.