Press "Enter" to skip to content

Is rust an example of a chemical reaction?

Rust is clearly a substance that is different from iron. Rusting is an example of a chemical change. A chemical property describes the ability of a substance to undergo a specific chemical change. A chemical property of iron is that it is capable of combining with oxygen to form iron oxide, the chemical name of rust.

What causes tools to rust?

Rusting is a chemical process that occurs when iron is exposed to a combination of moisture and air and undergoes a chemical change to become iron oxide — also known as rust. Rust actually eats at the metal surface of tools. Because iron is consumed in the reaction, the process is irreversible.

How do you clean a saw blade?

A Quick Cleaning

  1. Mix one part of Simple Green with two to three parts water in a shallow container.
  2. Remove the saw blade from your circular saw, being careful of the sharp teeth.
  3. Place the blade into the cleaning solution and let it soak for a few minutes.

How do I know if my saw blade is dull?

Look for worn-down, chipped, broken and missing teeth or chipped carbide tips that indicate it’s time to replace a circular saw blade. Check the wear line of carbide edges using a bright light and magnifying glass to determine if it’s beginning to dull.

Why does my circular saw burn the wood?

A dull blade will make it hard to cut quickly, and the slower the feed rate of the saw, the more friction against the wood and the greater the likelihood of scorch marks. Pushing the stock through the saw too slowly is a common cause of saw blade burn. Sometimes a blade that feels dull might only be dirty.

What is pitch on a saw blade?

PITCH Pitch is the number of teeth per inch or 25mm. Cutting thinner sections requires a finer pitch (more teeth per inch/25mm). Thick sections require coarser pitches (fewer teeth per inch/25mm).

What is blade width?

Width – The nominal dimension of a saw blade as measured from the tip of the tooth to the back of the band. Set – The bending of teeth to right or left to allow clearance of the back of the blade through the cut. Kerf – Amount of material removed by the cut of the blade.

What is a kerf?

Kerf is defined as the width of material that is removed by a cutting process. When talking about CNC shape cutting with typical cutting processes, kerf is the width of material that the process removes as it cuts through the plate.

What is kerf allowance?

Description: Kerf is the allowance required to compensate for the tool width. With thermal cutting tools the kerf value is normally material and gauge dependent. Kerf = Tool Width. Kerf can be applied by the software or by the machine controller.

What is kerf weatherstripping?

Kerf style means that the door jamb has a thin saw cut “kerf” that accepts the weatherstripping fin. This fin wedges into the kerf and holds the weather strip seal in place by friction.