Edge and Centre finder


Pinule De centrage /Localizador de bordes y centros /Kantentaster, mecanisch


  • Manufactured from Case hardening steel.
  • Precision ground to close tolerances
  • Duly hardened to 45-50 HRC
  • An extremely useful tool for locating part features like edges, grooves, shoulders and centre points
  • Concentricity within 5 microns
Edge and Centre finder

45-50º

Case Hardening Steel

0.005 mm


What are edge and centre finders?

Edge and Centre finders are used for locating the workpiece and aligning it with the machine's spindle for carrying out various operations. Accurate spindle alignment facilitates correct positioning of part features like shoulders, grooves or bores established relative to the edge of the workpiece. The finder comprises of two major components, the body and the tip held together by a spring. The finder is precision ground to minimize runout and increase the concentricity of the parts.

Edge Finders are used to accurately locate the edge of the workpiece, shoulders or inner edges of grooves. Central axis and centre points of jobs and large bores can also be found using this information.

Centre Finders are used for locating indentations like scribed lines, punch marks and centre of small bores.

Locating the workpiece using an edge finder

  • Mount the edge finder onto the spindle of the machine using a collet or a chuck.

  • You may manually slide the tip of the finder so that it is no longer concentric with it's body. This will cause the finder to create a distinctive wobble when rotated with the spindle.

  • Move the machine spindle over the work table near the edge of the workpiece. As the tip pushes against the edge, it is slid back into concentricity to it's true position. Proceed to push the tip into the edge until it is once again knocked off from it's concentricity reproducing the wobbling effect.

  • The spindle's central axis at this point is offset by a distance of 'r' units from the work's edge, 'r' being the radius of the tip of the finder.

C.NO. Shank Diameter TIP Diameter Description Action

ECF-C-0380I

3/8"

0.2"

Combination edge and centre finder

ECF-C-Q2

1/2"

0.2"

Combination edge & centre finder

ECF-Z-4M

4mm

10mm

Edge finder Z type

ECF-Z-10M

10mm

10mm

Edge finder Z type

ECF-P-10M

10mm

10mm

Plain edge finder single end

ECF-P-12M

1/2”

1/2”

Plain edge finder single end

ECF-SE-Q2

1/2"

0.2"

Edge finder single end

ECF-SE-0380I

3/8"

0.2"

Edge finder single end

ECF-DE-Q2

1/2"

0.2"

Edge finder double end

ECF-SC-Q2

1/2"

-

Centre finder single end

ECF-SC-0380I

3/8"

-

Centre finder single end

ECF-C-S

4 pc set of ECF-C-0380I, ECF-C-Q2, ECF-SC-0380I, ECF-SC-Q2

ECF-SE-S

4 pc set of ECF-P-Q2, ECF-DE-Q2, ECF-SE-0380I, ECF-SE-Q2