2. Why is the "blade type" of a chip saw important?
The shape of the blade tip (i.e., the blade type) of a chip saw creates a significant difference in cutting performance and finish.
In cutting aluminum materials, selecting the appropriate blade type based on the target material (extruded shapes, sheets, thick plates, etc.) is directly linked to ensuring quality and safety. Here, we introduce representative blade types for aluminum saws. ▶️ For aluminum extrusions: Alternating (Inclined) Blade (Staggered Tooth) Features ✅ A blade type with flat cutting edges arranged alternately (inclined) to the left and right. ✅ Mainly intended for extruded materials such as aluminum sashes and frames. Benefits ✅ Sharp cutting performance, ideal for thin-walled materials. ✅ Reduces burr formation during cutting, resulting in a good finish on the cross-section. ▶️ For aluminum sheets: High-Low Alternating Blade (Triple Chip) Features ✅ A special blade type with high "trapezoidal teeth" and low "flat teeth" arranged alternately. ✅ Commonly referred to as "Triple Chip," widely used for cutting medium to thick plates. Benefits ✅ Cutting load is distributed, reducing the load on each tooth. ✅ Long lifespan and stable cutting performance. ✅ Excellent flat finish on the cross-section. ✅ Cuts chips into three parts, facilitating chip removal. Usage Examples ✅ Ideal for applications requiring high cross-section quality and precision, such as cutting heat sink bases or aluminum plates.
basic information
▶️ 3-Piece Blade Set (3DX) ✅ Features: A rhythm cutting type with three shapes - left, right, and center - in one set. ✅ Applications: Continuous cutting of thin sheets and medium-thick plates. ✅ Advantages: Low cutting resistance, smooth operation, and high quietness. ✅ Disadvantages: Supply may be limited due to special configuration. ✅ Recommended Conditions: Use in combination with thin blades to minimize burrs. ▶️ Suitable for cutting machines designed for lines with low penetration and low feed load. It excels in minimizing burrs and maintaining quiet operation. ✅ For appropriate blade type selection The blade type is not "one size fits all"; it is crucial to choose the optimal blade type according to the material, thickness, and processing purpose. Okumura Machinery Manufacturing supports blade selection tailored to work conditions.
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▶️Blade Type Comparison Table | Blade Type Name | Cross-Section Cleanliness | Durability | Bite Suppression | Thin Material Suitability | Thick Material Suitability | |--------------------------|---------------------------|------------|------------------|--------------------------|---------------------------| | Alternating Blade (Staggered) | ◎ | △ | ◎ | ◎ | △ | | High-Low Blade (Triple) | ◎ | ◎ | ○ | ○ | ◎ | | 3-Piece Blade (3DX) | ○ | ○ | ◎ | ◎ | ○ | ▶️Points for Selecting Blade Types ✅ Prioritize the thickness and hardness of the material ✅ Choose a blade type that matches the structure of the cutting machine (shear/cutting type) ✅ Consider the feeding method (manual/automatic) and whether lubricants are used ▶️Achievements and Proposals from Okumura Machinery Manufacturing At Okumura Machinery Manufacturing, we are implementing "OKUMURA SELECT," which supports the selection of optimal blade types based on application, materials, and machine types. Based on actual machine test data, we propose blade designs that solve issues such as burrs, welding, and lifespan. For more details, please feel free to consult our official website.
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Line up（4）
| Model number | overview |
|---|---|
| D1 | Blade type name: Flat edge |
| D2 | Blade Type: Interleaved Inclined Blade (Chidori Blade) |
| D4 | Blade type name: High-Low Blade (Triple Blade) |
| 3DX | Blade type: 3-piece blade |
