Honing apparatus having electrically operated actuator for relative reciprocating movement between honing head and workpiece

A honing apparatus for honing a cylindrical surface of a workpiece, comprising:

• a honing head supporting honing stones such that said honing stones are opposed to said cylindrical surface of the workpiece;
• a first drive device for effecting a relative reciprocating movement between said honing head and said workpiece in an axial direction of said cylindrical surface;
• a second drive device for effecting a relative rotating movement between said honing head and said workpiece;
• a changing mechanism associated with said honing head, for changing one of a radial position of said honing stones in a radial direction of said cylindrical surface of the workpiece, and a contact pressure between said honing stones and said cylindrical surface, said changing mechanism including an electrically operated bidirectional actuator;
• a resistance measuring device for measuring a resistance to said relative rotating movement between said honing stones and said cylindrical surafce of the workpiece;
• and
• a honing control device connected to said resistance measuring device and said electrically operated bidirectional actuator of said changing mechanism, governed by the honing resistance measured by said resistance measuring device, for determining said one of the radial position of said honing stones in said radial direction and said contact pressure between said honing stones and said cylindrical surface of the workpiece, said honing control device controlling said electrically operated bidirectional actuator of said changing mechanism based on the determined one of the radial position and the contact pressure.

A honing apparatus for honing a cylindrical surface of a workpiece, comprising:

• a honing head supporting honing stones such that said honing stones are opposed to said cylindrical surface of the workpiece, said honing head including gu ides provided thereon so as to extend in an axial direction of said cylindrical surface for guiding the honing head;
• at least one of said guides having an air nozzle formed therethrough;
• a first drive device for effecting a relative reciprocating movement between said honing head and said workpiece in said axial direction of said cylindrical surface;
• a second drive device for effecting a relative rotating movement between said honing head and said workpiece;
• and
• a diameter measuring device for measuring a diameter of said cylindrical surface of the workpiece, said diameter measuring device comprising an air micrometer which includes said air nozzle formed in each of said at least one of said guides of said honing head.

A honing apparatus for honing a cylindrical surface of a workpiece, comprising:

• a honing head supporting honing stones such that said honing stones are opposed to said cylindrical surafce of the workpiece said honing head including a plurality of guides thereon extending in an axial direction for guiding the honing head;
• a first drive device including an electrically operated bidirectional actuator for effecting a relative reciprocating movement between said honing head and said workpiece in an axial direction of said cylindrical surface;
• a second drive device for effecting a relative rotating movement between said honing head and said workpiece;
• a diameter measuring device including at least one nozzle formed through one of said plurality of guides, said at least one nozzle being open toward said cylindrical surface of the workpiece for measuring a diameter of said cylindrical surface of the workpiece;
• and
• a reciprocation control device connected to said diameter measuring device and said electrically operated actuator governed by a measured diameter for determining either first values corresponding to a range of said relative reciprocating movement, second values corresponding to a speed distribution of said relative reciprocating movement over a range of the relative reciprocating movement, or both said first and second values said reciprocation control device controlling said electrically operated bidirectional actuator based on the determined values.

A honing apparatus for honing a cylindrical surface of a workpiece, comprising:

• a honing head supporting honing stones such that said honing stones are opposed to said cylindrical surface of the workpiece;
• a first drive device including a first electrically operated bidirectional actuator for effecting a relative reciprocating movement between said honing head and said workpiece in an axial direction of said cylindrical surface;
• a second drive device for effecting a relative rotating movement between said honing head and said workpiece;
• a diameter measuring device for measuring a diameter of said cylindrical surface of the workpiece;
• and
• a reciprocation control device connected to said diameter measuring device and said first electrically operated actuator, governed by a measure diameter for determining either first values corresponding to a range of said relative reciprocating movement, second values corresponding to a speed distribution of said relative rotating movement over a range of the relative reciprocating movement, or both said first and second values, said reciprocation control device controlling said first electrically operated bidirectional actuator based on the determined values;
• a changing mechanism, associated with said honing head, for changing one of a radial position of said honing stones in a radial direction of said cylindrical surface of the workpiece, and contact pressure between said honing stones and said cylindrical surface, said changing mechanism including a second electrically operated bidirectional actuator;
• a resistance measuring device for measuring a honing resistance between said honing stones and said cylindrical surface of the workpiece;
• and
• a honing control device connected to said resistance measuring device and said second electrically operated bidirectional actuator governed by the measured honing resistance for determining a value corresponding to one of the radial position of said honing stones in said radial direction, and said contact pressure between said honing stones and said cylindrical surface of the workpiece, said honing control device controlling said second electrically operated bidirectional actuator based on the determined one of the corresponding values.