Is it better to have more or fewer teeth on a saw blade?
Apr 30, 2025
The pros and cons of the number of teeth on a saw blade depends on the specific application scenario, and needs to be comprehensively selected based on the wood material, thickness and processing requirements.
Analysis of core influencing factors
Wood material:
Softwood (such as pine and fir): It is recommended to use a saw blade with fewer teeth (such as about 40 teeth), which has a fast cutting speed and smooth chip removal.
Hardwood (such as mahogany and sandalwood): Saw blades with 60 teeth or more are recommended. More teeth can improve cutting accuracy and reduce surface burrs.
Wood thickness:
Thin wood (<30mm): Suitable for dense-toothed saw blades with more than 72 teeth, which can reduce cutting vibration and ensure a smooth cut surface.
Thick wood (≥30mm): It is recommended to use a sparse-toothed saw blade with 40 to 60 teeth to avoid overheating and saw jamming due to poor chip removal.
Processing requirements:
Rough processing (such as cutting and cutting): 30~40 tooth saw blades are efficient and low cost, suitable for scenes with low requirements on the cut surface.
Fine processing (such as furniture and handicrafts): Saw blades with more than 60 teeth are required to ensure smooth cut surfaces to reduce subsequent grinding.
Comparison of advantages and disadvantages of multi-tooth and small-tooth saw blades
Advantages of multi-tooth saw blades:
The cut surface is smoother and suitable for high-precision requirements.
Strong stability and good durability.
Disadvantages: It is easy to cause heat due to small chip removal space, and the feed speed needs to be controlled.
Advantages of small-tooth saw blades:
Fast cutting speed, suitable for fast operations.
Better chip removal and heat dissipation, reducing the risk of saw sticking.
Disadvantages: The cut surface is rough and requires subsequent treatment.
Summary and suggestions
Always follow the equipment design requirements and match the saw blade parameters according to the specific scenario. For example, choose a 72-tooth saw blade when cutting hardwood thin boards, while a 40-tooth saw blade is more efficient for thick pine boards. At the same time, pay attention to operating specifications, such as using lubricants to avoid dry cutting and damaging the saw blade.
