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What are the parts of a wiggler
(centre finder set)?

Shop for Centre and Edge Finding Sets

Labelled diagram showing the components of a centre finder set.

Body

The selected probe is inserted into the body of the wiggler and the knurled nut tightened until the probe is held securely in place. The top of the body is then installed in a collet or drill chuck, and mounted in a milling machine or a drill press. The selected probe is inserted into the body of the wiggler and the knurled nut tightened until the probe is held securely in place.

The top of the body is then installed in a collet or drill chuck, and mounted in a milling machine or a drill press.

Indicator probe

The indicator probe can be used to hold some dial indicators. A dial indicator should is clamped securely to the cylindrical section of the probe, before the probe is connected to the body of the wiggler. The indicator probe can be used to hold some dial indicators.

A dial indicator should is clamped securely to the cylindrical section of the probe, before the probe is connected to the body of the wiggler.

Both tools are then installed in the machine, and can be used to check the alignment of a vice on your mill (See How do you Use a Wiggler to Check the Alignment of the Vice of your Milling Machine?) The indicator probe is also useful for checking the alignment of flat surfaces. Both tools are then installed in the machine, and can be used to check the alignment of a vice on your mill (See How to use a wiggler to check the alignment of a vice)

The indicator probe is also useful for checking the alignment of flat surfaces.

Needle probe

The needle probe can be used to find the centre of a part. The needle probe can be used to find the centre of a part.
In addition, the needle probe can be used to locate scribed lines or a specific point on a workpiece. See How do you use a wiggler to position a spindle over a scribed line or centre punched hole? In addition, the needle probe can be used to locate scribed lines or a specific point on a workpiece.

See How to use a wiggler to position a spindle

Ball probe

The ball probe attachment is used to find the centre of a hole in a part (see How do you Use a Wiggler to Find the Centre of a Hole in a Part?). The ball probe attachment is used to find the centre of a hole in a part.

For more information, see: How to use a wiggler to find the centre of a hole in a part

It is also a useful device for locating the edge of a workpiece. It is also a useful device for locating the edge of a workpiece.

Disc probe

When the disc probe is mounted in the body of the wiggler, it can be used to find confined areas such as slots of holes. When the disc probe is mounted in the body of the wiggler, it can be used to find confined areas such as slots of holes.
Like the ball probe, it can be used to locate the edge of a part. See How do you Use a Wiggler to Locate the Edge of a Part? Like the ball probe, it can be used to locate the edge of a part.

See How to use a wiggler to locate the edges of a part.

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