Canning Process Sheet Metal

It is a visual phenomenon seen as waviness or distortion in the flat surfaces of metal roofing and siding products.

Canning process sheet metal.

It is used in making aluminium beverage cans. Filling the containers usually under a vacuum. This is a commonly used manufacturing process that helps in manufacturing the parts for tons of known and unknown purposes. Sheet metal may also be ironed to achieve a uniform thickness.

It often can be seen in the walls of deep drawn square or rectangular shells see figure 1a and figure 1b caused by the imbalance of metal flow into the drawing cavity see figure 2. Sheet metal forming process is done on a press and the parts are formed in between two die. Generally oil canning or waviness in flat metal pans usually originates at the steel mill but in some cases may also be induced by improper installation. Ironing is a sheet metal working or sheet metal forming process.

Sheet metal is formed cold. Very simply oil canning is the result of uneven metal flow during a drawing operation. The die at the top is called a punch. It uniformly thins the workpiece in a specific area.

In its raw state the aluminum sheet metal is too thick for beverage cans so it s ironed to achieve a thinner more uniform composition. Cleaning and further preparing the raw food material. Closing and sealing the containers. It is used to produce a uniform wall thickness part with a high height to diameter ratio.

Oil canning has long been observed to be an inherent condition in all sheet steel due to mill camber and leveling tolerances. Pressure canning or boiling water bathing acid foods. Unstrained or loose metal in a stamping can result in an oil canning effect. A rectangular flat sheet of food grade steel is shaped into a cylinder and closed with a vertical side seam.

There are basically only three components to sheet metal stamping the sheet metal die and press machine but any single part can require multiple steps to arrive at its final form. The canning process itself consists of several stages. The following guide explains a few common processes that might occur during metal stamping. Most aluminum cans for instance are made of ironed aluminum.

This is a very useful process. Common sheet metal stamping process. Here are a few key takeaways. Oil canning is an inherent characteristic of light gauge cold formed metal products particularly products with broad flat areas.

Boiling and pressure canning time have the most notable variable to pay attention to. And labeling and warehousing the finished goods. The reference chart below shows style of pack jar size head space process time dial gauge and weighted gauge for pressure canning or boiling acid foods.