Tooth Description
The SH Tooth Form bandsaw blade features an advanced alternating tooth pattern with a unique double clearance angle geometry. This specialized design excels in demanding cutting applications, particularly when processing hard materials, large solid sections, and hollow or thin-walled profiles. It represents an optimal balance between cutting force, tooth strength, and chip evacuation, delivering superior performance where standard tooth forms may fail.
Key Features & Technical Advantages
Double Clearance Angle Design:
Each tooth is engineered with two distinct clearance angles. This innovative geometry significantly increases the strength and impact resistance of the tooth tip, reducing the risk of chipping and premature wear, especially when cutting high-hardness or abrasive materials.
Alternating High/Low Tooth Pattern (Variable Pitch):
The combination of higher and lower teeth effectively distributes cutting forces and dampens vibration throughout the cut. The high teeth perform the primary material removal for high feed rates, while the low teeth help stabilize the blade and improve surface finish. This results in smoother, quieter, and more accurate cutting.
Enhanced Durability & Wear Resistance:
The reinforced tooth tip provided by the double clearance angle design dramatically extends blade life. The blade maintains its sharpness longer under heavy loads and when cutting tough alloys, providing a lower cost per cut.
Optimized for Challenging Cuts:
This tooth form is specifically advantageous for:
- Hard-to-Cut Materials: Such as tool steels, stainless steel, nickel-based alloys, and other high-tensile materials.
- Large, Solid Sections: Effectively handles the high cutting forces involved with large billets, bars, and castings.
- Structural & Hollow Shapes: The alternating tooth pattern and strong tooth design minimize snagging and tooth stripping when cutting pipes, tubes, beams, and channels, producing clean cuts with minimal burrs.
Specifications & Selection Guide
|
Blade Width (mm) x Thickness (mm) |
Available Tooth Pitch (TPI) |
|---|---|
|
27 x 0.90 |
3/4, 2/3 |
|
34 x 1.10 |
3/4, 2/3 |
|
41 x 1.30 |
2/3, 1.4/2.0, 1.0/1.5 |
|
54 x 1.60 |
2/3, 1.4/2.0, 1.0/1.5, 0.85/1.3 |
|
67 x 1.60 |
2/3, 1.4/2.0, 1.0/1.5, 0.85/1.3, 0.75/1.0 |
|
80 x 1.60 |
1.0/1.5, 0.85/1.3, 0.75/1.0 |
Primary Applications
The SH (Double Clearance Angle) tooth form is a highly versatile and robust choice for medium to coarse pitch bandsaw blades. Its primary applications span industries that require reliable, efficient cutting of demanding workpieces:
Metal Service Centers & Forging:
Primary breakdown of large alloy steel billets, ingots, and tough high-carbon steel stock.
Heavy Equipment & Machinery Manufacturing:
Cutting high-strength components, axles, large shafts, and hardened steel parts.
Structural Steel Fabrication:
Sawing beams (I-beams, H-beams), wide-flange sections, and heavy-walled tubing with minimal deformation.
Shipbuilding & Energy Sector:
Processing thick plates, large pipes, and other high-strength, low-alloy steels.
General Heavy-Duty Machining:
An excellent all-around blade for job shops facing a mix of solid and structural materials, especially those with variable or unknown hardness.
Selection Tip:
For optimal results, select a coarser tooth pitch (e.g., 2/3, 3/4 TPI) for large, solid cross-sections. Choose a finer variable pitch (e.g., 1.0/1.5, 1.4/2.0 TPI) for cutting structural shapes, bundles, or mixed materials to reduce vibration and improve finish.
|
Dimensions |
Tooth Pitch |
|||||
|
mm |
3/4 |
2/3 |
1.4/2.0 |
1.0/1.5 |
0.85/1.3 |
0.75/1.0 |
|
27X0.90 |
√ |
√ |
|
|
|
|
|
34X1.10 |
√ |
√ |
|
|
|
|
|
41X1.30 |
|
√ |
√ |
√ |
|
|
|
54X1.60 |
|
√ |
√ |
√ |
√ |
|
|
67X1.60 |
|
√ |
√ |
√ |
√ |
√ |
|
80X1.60 |
|
|
|
√ |
√ |
√ |
Applications of the SH (Double Clearance Angle) Bandsaw Blade
The SH tooth form is engineered for challenging, high-value cuts where performance and reliability are critical. Its primary applications include:
Heavy-Duty Solid Section Cutting:
Optimized for sawing large-diameter solid rounds, billets, and thick slabs of steel and alloy materials. Ideal for metal service centers and forging operations.
Large Structural and Profile Cutting:
Excellently suited for cutting structural steel like I-beams, H-beams, channels, and heavy-walled rectangular tubing. The tooth design minimizes vibration and distortion in hollow sections.
Hard and Abrasive Materials:
Specifically effective on difficult-to-cut metals such as tool steels, stainless steels, nickel alloys, and other high-tensile strength materials that cause rapid wear on standard blades.
General-Purpose Production in Mixed Environments:
Serves as a superior, all-purpose blade for job shops and manufacturing facilities that process a wide variety of material shapes, sizes, and hardness levels, reducing the need for multiple blade types.
Benefits of the SH (Double Clearance Angle) Bandsaw Blade
Extended Blade Life & Durability:
The double clearance angle design creates an exceptionally strong tooth tip that is highly resistant to chipping, fracturing, and premature wear, especially when cutting hard or abrasive materials. This results in a significantly lower cost per cut.
Superior Performance on Diverse Materials:
The alternating high/low (variable pitch) tooth pattern effectively distributes cutting forces. This allows the same blade to perform well on both hard solids and thin-walled or structural shapes, offering remarkable versatility.
Smoother, More Stable Cutting:
The variable pitch design dampens vibration and harmonic resonance during the cut. This leads to quieter operation, improved surface finish on the cut piece, and reduced stress on the bandsaw machine itself.
Reduced Tooth Stripping & Breakage:
Enhanced tooth strength and optimal cutting force distribution make the SH tooth form highly resistant to the sudden shock loads encountered when cutting irregular surfaces, interrupted cuts, or bundles of material.
Increased Productivity:
By combining the ability to handle tough materials with a smooth, stable cutting action, these blades enable consistent feed rates and reduce unplanned downtime for blade changes, maximizing machine uptime and output.
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