What is a sacrificial fence on table saw?

What is a sacrificial fence on table saw?

The table saw sacrificial fence is a special shop-made fence that literally sacrifices itself to serve its purpose. You can use the sacrificial table saw fence to help you line up notches that run along the edge of a board.

What is the purpose of a sacrificial fence?

An auxiliary or sacrificial fence is a fence made of a material not liable to damage the blade – such as wood or plastic – and is usually attached to an existing fence. Such a fence may be used for situations where it is desirable or necessary for the fence to be in contact with, or particularly close to, the blade.

What is a dado and what is it used for?

A dado blade is a circular saw blade that cuts grooves into the wood that are much wider than traditional saw blade cuts. They are used for interlocking applications. Interlocking joints are common in making bookshelves, drawers, door panels and cabinets.

What is the purpose of dado?

The purpose of the dado treatment to a wall is both aesthetic and functional. Historically, the panelling below the dado rail was installed to cover the lower part of the wall which was subject to stains associated with rising damp; additionally it provided protection from furniture and passing traffic.

Where is dado used?

You’ll find dado Joints used often in case good projects like cabinets and bookcases where the shelves fit into the sides of the cabinet or bookcase and don’t need to move, but you’ll also find dado Joints used as drawer dividers, partitions, and a host of other applications.

What do you call a table saw sacrificial fence?

You can use the sacrificial table saw fence to help you line up notches that run along the edge of a board. This type of cut is called a rabbet, and to get a better idea of what a rabbet is, vs a dado or groove, read this article here on woodworking grooves.

How tall does a dado cutter have to be to cut a fence?

The fence is locked down and the dado cutter is raised into the sacrificial fence, cutting an arc about 1/2″ wide (about two thirds the width of the dado head). I made the cut approximently 3/4″ high, probably as high as I’ll ever use, but it can be made as high as there is a need.

What’s the best way to cut a dado?

Position the fence to locate your dadoes and rabbets. Once the dado head is correctly set, you can cut dado after dado and they’ll all be exactly the same width. Position the fence once, and every dado or rabbet you cut with the material riding against the fence will be located uniformly.

What kind of plywood do you need for a sacrificial fence?

This whole fence is made from ¾” plywood after all. To use your sacrificial fence, you’ll first attach your dado set to your saw. You’ll want the stack of blades to be wider than what the rabbet will be, since part of the blade set will be underneath the fence.