What Are The Different Types Of Cutters Used In A 4-Sided Moulder?

by:V-hold Machinery      2023-06-13

What Are The Different Types Of Cutters Used In A 4-Sided Moulder?

A 4-sided moulder is a powerful and efficient machine used by woodworkers for cutting wood according to their design specifications. The machine allows a user to create smooth and accurate cuts in all directions of the wood with minimum effort. The secret to the machine's cutting prowess lies in the cutters used in the moulder.

In this article, we'll take an in-depth look at the different types of cutters used in a 4-sided moulder.

1. Straight knife cutter

Straight knife cutters are the most commonly used cutters in a 4-sided moulder. These knives have a straight edge that slices the wood and creates a smooth surface. The knives are visible and easy to replace, which makes them an excellent choice for beginners. Straight knife cutters come in different sizes that allow woodworkers to create various shapes and designs on the wood.

To align straight knife cutters perfectly in a 4-sided moulder, a lot of skill is required. If the knives are not aligned correctly, they may bind or tear the wood, leading to a high number of defects in the final product. Therefore, it's essential to ensure that the machine is set up correctly before using it.

2. Spiral cutter

Spiral cutters are another popular type of cutter used in a 4-sided moulder. These cutters feature a spiral design that reduces noise, vibration, and cutter marks on the wood surface. The spiraled design creates an excellent finish on the wood and reduces the amount of sanding required to produce a smooth surface.

Spiral cutters are highly durable and can last longer than straight knives because they have small cutting edges that do not need frequent sharpening. However, they are expensive compared to straight knife cutters.

3. Carbide cutters

Carbide cutters offer excellent performance and durability compared to other cutters. They feature carbide-tipped blades that provide clean and precise cuts in all directions. The cutters can produce a high-quality finish on the wood and require minimal maintenance.

Carbide cutters come in different shapes and sizes that allow woodworkers to create different designs and shapes on the wood. They are also easy to install and require less calibration, which saves time and effort when working on a project.

4. Helical cutter

Helical cutters are similar to spiral cutters and have a cutting edge that wraps around the cutter head. Unlike spiral cutters, helical cutters have a small gap between the blades, which helps reduce tear-out when cutting hardwood. The cutter head is also more massive than a spiral cutter, which means it can remove more material in a single pass, resulting in faster production times.

The blades of a helical cutter are also interchangeable, which means that they can be replaced quickly if damaged or dulled. This makes helical cutters an excellent choice for high-volume production shops that require efficient machines that can run for extended periods.

5. Insert cutter

Insert cutters are a type of cutter used in 4-sided moulders that are gaining popularity in the woodworking industry. These cutters feature small inserts that are screwed onto the cutter head. The inserts are replaceable and require less sharpening compared to straight knives.

Insert cutters provide a smooth cut and leave a high-quality finish on the wood. They also require less machine calibration, which saves time and effort when setting up the machine. Moreover, the inserts come in different materials such as carbide, high-speed steel (HSS), and diamond, which makes them versatile and practical.


In a 4-sided moulder, the cutters used determine the quality of the final product. There are different types of cutters that woodworkers can use, including straight knife cutters, spiral cutters, carbide cutters, helical cutters, and insert cutters. Each of these cutters has its unique advantages and disadvantages, and woodworkers should choose one that best suits their needs and preferences.

When selecting a cutter for a 4-sided moulder, it's crucial to consider factors such as cost, durability, ease of installation and replacement, and the type of wood being cut. With the right cutter, woodworkers can increase their productivity and create high-quality products that clients will enjoy for years to come.

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