Circular saw

USMC-02963

Miter saw

Scie circulaire stationnaire

Kelly & Lewis, 1949–1953 mit Säge (2008-06-14 B. 2 Sp)

Sawmill Circular Saw Blade

Allis-Chalmers Model B with a buzz saw

Circular saw

A circular saw is a power-saw using a toothed or abrasive disc or blade to cut different materials using a rotary motion spinning around an arbor. A hole saw and ring saw also use a rotary motion but are different from a circular saw. Circular saws may also be loosely used for the blade itself.

History

The circular saw was invented in the late 18th century and was originally used in sawmills. The invention is often attributed to Samuel Miller, who patented a design in 1777. However, there are claims that the circular saw was invented earlier by a Dutchman named Cornelis Corneliszoon in the late 16th century.

Design and Components

A circular saw consists of several key components:

• Blade: The cutting component, which can be made from various materials such as steel, carbide, or diamond.
• Arbor: The shaft that holds the blade and allows it to spin.
• Motor: Provides the power to spin the blade.
• Base Plate: Supports the saw and allows it to glide over the material being cut.
• Handle: Used to guide and control the saw.

Types of Circular Saws

There are several types of circular saws, each designed for specific tasks:

• Handheld Circular Saw: Commonly used in construction and woodworking.
• Table Saw: A circular saw mounted on a table, used for precise cuts.
• Miter Saw: Allows for angled cuts, often used in framing and molding.
• Panel Saw: Used for cutting large panels of wood or other materials.

Applications

Circular saws are used in a variety of applications, including:

• Woodworking
• Metalworking
• Construction
• Masonry

Safety

Using a circular saw can be dangerous if proper safety precautions are not followed. Key safety tips include:

• Wearing PPE such as safety glasses and ear protection.
• Ensuring the blade guard is in place.
• Keeping hands away from the blade.
• Using the saw on a stable surface.

Maintenance

Regular maintenance of a circular saw can extend its lifespan and improve performance. Maintenance tasks include:

• Cleaning the blade and housing.
• Checking and replacing the blade as needed.
• Lubricating moving parts.
• Inspecting the power cord for damage.

Related Pages

• Saw
• Table saw
• Miter saw
• Woodworking
• Metalworking
• Construction