Hermaphrodite Calipers combine a straight divider leg and a curved caliper leg and are used for scribing parallel lines from an edge or for locating the center of cylindrical work.

What is a center finder?

A wiggler, also known as a wobbler, edge-finder, center-finder or laser-centering-device, is a tool used with a machine like a mill, to accurately align the machine head with the work prior to machining.

What is a center gauge used for?

Center gauges and fishtail gauges are gauges used in lathe work for checking the angles when grinding the profiles of single-point screw-cutting tool bits and centers. In the image, the gauge on the left is called a fishtail gauge or center gauge, and the one on the right is another style of center gauge.

How do I use edge and center finder?

How to use a combination edge finder and centre finder

1. Step 1 – Clamp workpiece. Clamp the workpiece in a vise underneath the spindle of the machine.
2. Step 2 – Mount centre finder.
3. Step 3 – Raise knee of machine.
4. Step 4 – Move bed of machine.
5. Step 5 – Check alignment of centre finder.

How does an edge finder tool work?

Electronic edge finders are designed to light up when in contact with the edge. They pass the current from the spindle of the machine all the way through to the part and have an LED light that indicates when the finder touches the part.

What is a thread center gauge?

A center gauge, also sometimes known as a fishtail gauge, is a tool used in machining to check the angle of tool bits used to cut screw threads. The center gauge helps ensure that the tool bit is the correct dimensions to cut these threads.

What does a plug gauge measure?

Plug gauges, in some cases called pin gauges, are metrology tools whose purpose is to gage the inside diameters of holes that have been drilled or machined into a manufactured part, component, or assembly.