Table saw fence types are essential components that significantly impact the accuracy and efficiency of woodworking projects. The main types include T-Square fences, Rack and Pinion fences, Sliding fences, and Automated fences. Each type offers unique features, from simple manual adjustments to advanced automated systems, catering to various woodworking needs and skill levels.
What Are the Main Types of Table Saw Fences?
- T-Square Fences
- Rack and Pinion Fences
- Sliding Fences
- Automated Fences
How Do T-Square Fences Work?
T-Square fences are popular for their simplicity and accuracy. Key features include:
- Materials: Typically made from aluminum or steel
- Standard length: Often around 42 inches
- Rip capacities: Vary from 26\” to 50\” on the right side of the blade
- Locking system: Three-point locking for maintaining squareness
- Attachments: Easy addition of jigs and fixtures
- Surfaces: Replaceable on both sides
These fences offer a balance of precision and ease of use, making them suitable for both beginners and experienced woodworkers.
What Makes Rack and Pinion Fences Unique?
Rack and Pinion fences stand out for their smooth and precise adjustments:
- Materials: Durable construction similar to T-Square fences
- Adjustment mechanism: Smooth sliding for precise positioning
- Safety feature: Allows miter gauge cuts on the right side without kickback risk
- Ideal use: Perfect for repetitive cuts requiring high accuracy
The precision of Rack and Pinion fences makes them a favorite among professionals who demand consistent results.
How Do Sliding Fences Enhance Versatility?
Sliding fences, often found on sliding table saws, offer increased flexibility:
- Design: Can lay flat for a lower profile
- Support: Provides enhanced support for larger materials
- Versatility: Ideal for bevel cuts and working with oversized pieces
- Movement: Slides back and forth to enable safe cuts on the right side of the blade
These fences are particularly useful for woodworkers who frequently work with large or irregularly shaped materials.
What Are the Advantages of Automated Fences?
Automated fences, like the TigerFence, represent the cutting edge of table saw technology:
- Accuracy: Precise up to 0.003 inches
- Convenience: Allows dimension changes without walking around the saw
- Programming: Can store up to 2,000 cut dimensions
- Productivity: Significantly reduces setup time for complex projects
While more expensive, automated fences offer unparalleled precision and efficiency for high-volume or complex woodworking tasks.
How Do These Fence Types Compare in Accuracy?
| Fence Type | Accuracy Rating | Key Feature |
|---|---|---|
| T-Square | High | Three-point locking system |
| Rack and Pinion | Very High | Smooth, precise adjustments |
| Sliding | Good | Versatile for various cut types |
| Automated | Excellent | Accuracy up to 0.003 inches |
What Are the Installation Challenges for Each Fence Type?
T-Square Fences
- Tools needed: Mounting brackets, jacking plates
- Time estimate: A few hours
- Challenge: Ensuring perfect squareness
Rack and Pinion Fences
- Tools needed: Alignment tools, calipers
- Time estimate: Several hours
- Challenge: Precise calibration to saw blade
Sliding Fences
- Tools needed: Roller bearings, chassis attachment tools
- Time estimate: Several hours
- Challenge: Leveling sliding table and aligning fence
Automated Fences
- Tools needed: Programming tools, calibration instruments
- Time estimate: Up to a full day
- Challenge: Accurate calibration and programming
How Do These Fences Impact Cutting Accuracy?
- Repeatability:
- T-Square: High due to locking system
- Rack and Pinion: Excellent with smooth adjustments
- Sliding: Good, especially with outrigger tables
-
Automated: Extremely high, programmable precision
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Alignment Tolerances:
- T-Square: Tight, ensured by locking system
- Rack and Pinion: Very tight due to precision mechanism
- Sliding: Good when properly set up
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Automated: Extremely tight, computer-controlled
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Adjustments Needed:
- T-Square: Manual adjustments for squareness
- Rack and Pinion: Smooth adjustments, crucial calibration
- Sliding: Setup adjustments for table and fence alignment
- Automated: Minimal manual adjustments required
What Are the Cost Considerations for Different Fence Types?
- T-Square Fences: Mid-range, good value for quality
- Rack and Pinion Fences: Higher cost, justified by precision
- Sliding Fences: Often included with sliding table saws
- Automated Fences: Most expensive, but offer significant productivity gains
When choosing a table saw fence, consider your budget, project requirements, and the level of precision needed. Each type offers unique benefits, and the right choice depends on your specific woodworking needs and skill level.
References:
1. Fix It Shack – Typical Table Saw Dimensions
2. TigerStop – Selecting the Best Table Saw Fence
3. Vega Woodworking – Table Saw Fence