Axial Machinable Features

This section provides reference information that is intended to help you:

For more information, refer to Feature Attributes for Tool Queries, Checks and Formula.

A number of hole types are supported. They are identified according to the evaluation of the Hole type attribute as follows.

Hole type

Name
0 Simple hole
1 Tapered hole
2 Counterbored hole
3 Counterdrilled hole
4 Countersunk hole
5 Unknown

Simple Hole

Simple hole is characterized by:
  • origin point and direction
  • hole depth and diameter
  • extension type identified according to the evaluation of the Hole Extension attribute:
    1 = blind
    2 = through
  • for blind holes, bottom type identified according to the evaluation of the Hole bottom type attribute:
    Flat Bottom
    V Bottom.
  • for V-bottom holes, bottom angle identified according to the value of the Hole bottom angle attribute.
  • the hole can be threaded.

Tapered Hole

Tapered hole is characterized by:
  • origin point and direction
  • hole depth, diameter and angle
  • extension type identified according to the evaluation of the Hole Extension attribute:
    1 = blind
    2 = through.
  • for blind holes, bottom type identified according to the evaluation of the Hole bottom type attribute:
    Flat Bottom
    V Bottom.
  • for V-bottom holes, bottom angle identified according to the value of the Hole bottom angle attribute.

Counterbored Hole

Counterbored hole is characterized by:
  • origin point and direction
  • hole depth and diameter
  • counterbored depth and diameter
  • extension type identified according to the evaluation of the Hole Extension attribute:
    1 = blind
    2 = through.
  • for blind holes, bottom type identified according to the evaluation of the Hole bottom type attribute:
    Flat Bottom
    V Bottom.
  • for V-bottom holes, bottom angle identified according to the value of the Hole bottom angle attribute.
  • the hole can be threaded.

Counterdrilled Hole

Counterdrilled hole is characterized by:
  • origin point and direction
  • hole depth and diameter
  • countersunk angle
  • counterbored depth and diameter
  • extension type identified according to the evaluation of the Hole Extension attribute:
    1 = blind
    2 = through.
  • for blind holes, bottom type identified according to the evaluation of the Hole bottom type attribute:
    Flat Bottom
    V Bottom.
  • for V-bottom holes, bottom angle identified according to the value of the Hole bottom angle attribute.
  • the hole can be threaded.

Countersunk Hole

Countersunk hole is characterized by:
  • origin point and direction
  • hole depth and diameter
  • countersunk angle and diameter
  • countersunk depth
  • extension type identified according to the evaluation of the Hole Extension attribute:
    1 = blind
    2 = through.
  • for blind holes, bottom type identified according to the evaluation of the Hole bottom type attribute:
    Flat Bottom
    V Bottom.
  • for V-bottom holes, bottom angle identified according to the value of the Hole bottom angle attribute.
  • the hole can be threaded.

Please note that the Countersunk depth can be obtained by means of the following formula:

Countersunk depth=(Countersunk diameter-Hole diameter)/(2*tan(Countersunk angle/2))

Threaded Holes

The following attributes on the axial machinable feature allow you to access threaded hole information (in the Search function, machining process definition, machining operations that require thread information, and so on).

The attribute values are read from the design threaded hole (that is, as specification).