Dressing arrangement for grinding wheel of a gear form grinding machine

Claim 2

A dressing device for a grinding machine for form grinding of internally or externally helically geared wheels, the grinding machine including a grinding wheel inclined with respect to the workpiece in correspondence with the helix angle of the workpiece gear, and a movably mounted dressing tool, the dressing tool has a contour corresponding to a contact line of the grinding wheel and workpiece gear being copied by the movably mounted dressing tool, characterized in that the dressing tool is provided with truing flank means, said truing flank means is in the form of a section of the workpiece gear and is constituted by a tooth, said dressing tool includes a carrier means for carrying said tooth, means are provided for releasably securing said tooth to said carrier means, at least a portion of the truing flank means are provided with an abrasive material consisting of diamond grains, spaced axle means are provided for respectively mounting said dressing tool, the grinding wheel and the workpiece gear, the spacing between said dressing tool and the grinding wheel and between the grinding wheel and the workpiece gear are equal, and in that said dressing tool is movably mounted for radial adjustment only.

Claim 3

Device according to claim 1, characterized in that said tooth is at least one of displaceable with respect to said carrier means in the direction of a longitudinal axis thereof and tiltable about an axis spaced from the axis of said carrier means.

Claim 4

A dressing device for a gear grinding machine for form grinding of internally or externally helically geared wheels, the grinding machine including a grinding wheel inclined with respect to the workpiece gear in correspondence with the helix angle of the workpiece gear, and a movably mounted dressing tool, the contour corresponding to the contact line of the grinding wheel and workpiece gear being copied by the movably mounted dressing tool, characterized in that the dressing tool is provided with truing flank means, said truing flank means is in the form of a section of the workpiece gear and includes at least one of a tooth and at least a pair of spaced teeth defining a tooth gap, at least a portion of the truing flank means is provided with an abrasive material, spaced axle means are provided for respectively mounting said dressing tool, the grinding wheel and the workpiece gear, the spacing between said dressing tool and the grinding wheel and between the grinding wheel and workpiece are equal, said dressing tool being movably mounted for radial adjustment only, said truing flank means is constituted by a tooth, said dressing tool includes a carrier means for carrying said tooth, means are provided for releasably securing said tooth to said carrier means, and in that said tooth is both displaceable with respect to said carrier means in the direction of a longitudinal axis thereof and is tiltable about an axis spaced from the axis of said carrier means.

Claim 5

A dressing device for a gear grinding machine for form grinding of internally or externally helically geared wheels, the grinding machine including a grinding wheel inclined with respect to the workpiece gear in correspondence with the helix angle of the workpiece gear, and a movably mounted dressing tool, the contour corresponding to the contact line of the grinding wheel and workpiece gear being copied by the movably mounted dressing tool, characterized in that the dressing tool is provided with truing flank means, said truing flank means is in the form of a section of the workpiece gear and includes at least one of a tooth and at least a pair of spaced teeth defining a tooth gap, at least a portion of the truing flank means is provided with an abrasive material, spaced axle means are provided for respectively mounting said dressing tool, the grinding wheel and the workpiece gear, the spacing between said dressing tool and the grinding wheel and between the grinding wheel and workpiece are equal, said dressing tool being movably mounted for radial adjustment only, said truing flank means is constituted by a tooth, said dressing tool includes a carrier means for carrying said tooth, means are provided for releasably securing said tooth to said carrier means, and in that said tooth is both displaceable with respect to said carrier means in the direction of a longitudinal axis thereof and is tiltable about an axis spaced from the axis of said carrier means.

Claim 6

Device according to claim 3, characterized in that said truing flank means are directly coated with said abrasive material.

Claim 7

Device according to claim 3, characterized in that a band means is provided, clamping means are provided for clamping said band means over said truing flank means, said band means being coated with said abrasive material.

Claim 8

Device according to claim 5, characterized in that said band means is coated only in an area thereof resting on said truing flank means.

Claim 9

Device according to claim 6, characterized in that said band means includes two end portions, said clamping means includes means for attaching one of said end portions at a base of said truing flank means with the coated zone extending thereover, said clamping means further including means for pretensioning the other of said end portions of said band means.

Claim 10

Device according to claim 7, characterized in that said band means is a steel band.

Claim 11

A dressing device for a gear grinding machine for form grinding of internally or externally helically geared wheels, the grinding machine including a grinding wheel inclined with respect to the workpiece gear in correspondence with the helix angle of the workpiece gear, and a movably mounted dressing tool, the dressing tool has a contour corresponding to a contact line of the grinding wheel and workpiece gear being copied by the movably mounted dressing tool, characterized in that the dressing tool is provided with truing flank means, said truing flank means is in the form of a section of the workpiece gear and is constituted by at least one pair of spaced teeth defining a tooth gap, said dressing tool includes a carrier means for carrying said spaced teeth, means are provided for releasably securing said spaced teeth to said carrier means, at least a portion of the truing flank means is provided with an abrasive material consisting of diamond grains, spaced axle means are provided for respectively mounting said dressing tool, the grinding wheel and the workpiece gear, the spacing between said dressing tool and the grinding wheel and between the grinding wheel and the workpiece gear are equal, and in that said dressing tool is movably mounted for radial adjustment only.

Claim 12

A dressing device for a gear grinding machine for form grinding of internally or externally helically geared wheels, the grinding machine including a grinding wheel inclined with respect to the workpiece gear in correspondence with the helix angle of the workpiece gear, and a movably mounted dressing tool, the dressing tool has a contour corresponding to a contact line of the grinding wheel and workpiece gear being copied by the movably mounted dressing tool, characterized in that the dressing tool is provided with truing flank means, said truing flank means is in the form of a section of the workpiece gear and is constituted by at least one pair of spaced teeth defining a tooth gap, said dressing tool includes a carrier means for carrying said spaced teeth, means are provided for releasably securing said spaced teeth to said carrier means, at least a portion of the truing flank means is provided with an abrasive material consisting of diamond grains, spaced axle means are provided for respectively mounting said dressing tool, the grinding wheel and the workpiece gear, the spacing between said dressing tool and the grinding wheel and between the grinding wheel and the workpiece gear are equal, and in that said dressing tool is movably mounted for radial adjustment only.

Claim 13

Device according to claim 9, characterized in that said spaced teeth are at least one of displaceable with respect to said carrier means in the direction of a longitudinal axis thereof and tiltable about an axis spaced from the axis of said carrier means.

Claim 14

Device according to claim 9, characterized in that said spaced teeth are both displaceable with respect to said carrier means in the direction of a longitudinal axis thereof and are tiltable about an axis spaced from the axis of said carrier means.

Claim 15

Device according to claim 11, characterized in that said truing flank means are directly coated with said abrasive material.

Claim 16

Device according to claim 11, characterized in that a band means is provided, clamping means are provided for clamping said band means over said truing flank means, and in that said band means is coated with said abrasive material.

Claim 17

Device according to claim 13, characterized in that said band means is coated only in an area thereof resting on said truing flank means.

Claim 18

Device according to claim 14, characterized in that said band means includes a pair of end portions, said clamping means includes means for attaching one of said end portions at a base of said truing flank means with the coated zone thereof extending thereover, and in that said clamping means further includes means for pretensioning the other of said end portions of said band means.

Claim 19

Device according to claim 15, characterized in that said band means is a steel band.

Claim 20

A dressing device for a gear grinding machine for form grinding of internally or externally helically geared wheels, the grinding machine including a grinding wheel inclined with respect to a workpiece gear in correspondence with a helix angle of the workpiece gear, and a movably mounted dressing tool, the dressing tool has a contour corresponding to a contact line of the grinding wheel and workpiece gear being copied by the movably mounted dressing tool, characterized in that said dressing tool is mounted for helical movement and is provided with truing flank means, said truing flank means are in the form of a section of the workpiece gear and include at least one of a tooth or at least a pair of spaced teeth defining a tooth gap, at least a portion of the truing flank means is provided with an abrasive material consisting of diamond grains, spaced axle means are provided for respectively mounting said dressing tool, the grinding wheel and the workpiece gear, and in that the spacing between said dressing tool and the grinding wheel and between the grinding wheel and the workpiece gear are equal.

Claim 21

A dressing device for a gear grinding machine for form grinding of internally or externally helically geared wheels, the grinding machine including a grinding wheel inclined with respect to a workpiece gear in correspondence with a helix angle of the workpiece gear, and a movably mounted dressing tool, the dressing tool has a contour corresponding to a contact line of the grinding wheel and workpiece gear being copied by the movably mounted dressing tool, characterized in that said dressing tool is mounted for helical movement and is provided with truing flank means, said truing flank means are in the form of a section of the workpiece gear and include at least one of a tooth or at least a pair of spaced teeth defining a tooth gap, at least a portion of the truing flank means is provided with an abrasive material consisting of diamond grains, spaced axle means are provided for respectively mounting said dressing tool, the grinding wheel and the workpiece gear, and in that the spacing between said dressing tool and the grinding wheel and between the grinding wheel and the workpiece gear are equal.

Claim 22

Device according to claim 17, characterized in that said dressing tool is movably mounted for radial adjustment only.

Claim 23

Device according to claim 18, characterized in that said dressing tool has a three-dimensional configuration corresponding to the configuration of the workpiece gear.

Claim 24

Device according to claim 17, characterized in that said dressing tool has a three-dimensional configuration corresponding to the configuration of the workpiece gear.

Claim 25

Device according to claim 17, characterized in that said truing flank means are directly coated with said abrasive material.

Claim 26

Device according to claim 17, characterized in that a band means is provided, clamping means are provided for clamping said band means over said truing flank means, and said band means is coated with said abrasive material.

Claim 27

Device according to claim 22, characterized in that said band means is coated only in an area thereof resting on said truing flank means.

Claim 28

A dressing device for a gear grinding machine for form grinding of internally or externally helically geared wheels, the grinding machine including a grinding wheel inclined with respect to the workpiece gear in correspondence with the helix angle of the workpiece gear, and a movably mounted dressing tool, the contour corresponding to the contact line of the grinding wheel and workpiece gear being copied by the movably mounted dressing tool, characterized in that the dressing tool is provided with truing flank means, said truing flank means is in the form of a section of the workpiece gear and includes at least one of a tooth and at least a pair of spaced teeth defining a tooth gap, at least a portion of the truing flank means is provided with an abrasive material, in that a band means is provided, clamping means are provided for clamping said band means over said truing flank means, said band means is coated with an abrasive material only in an area thereof resting on said truing flank means, and in that the band means includes a pair of end portions, said clamping means includes means for attaching one of said end portions at a base of said truing flank means with the coated area thereof extending over said truing flank means, and in that said clamping means further includes means for pretensioning the other end of said end portions of said band means.

Claim 29

A dressing device for a gear grinding machine for form grinding of internally or externally helically geared wheels, the grinding machine including a grinding wheel inclined with respect to the workpiece gear in correspondence with the helix angle of the workpiece gear, and a movably mounted dressing tool, the contour corresponding to the contact line of the grinding wheel and workpiece gear being copied by the movably mounted dressing tool, characterized in that the dressing tool is provided with truing flank means, said truing flank means is in the form of a section of the workpiece gear and includes at least one of a tooth and at least a pair of spaced teeth defining a tooth gap, at least a portion of the truing flank means is provided with an abrasive material, in that a band means is provided, clamping means are provided for clamping said band means over said truing flank means, said band means is coated with an abrasive material only in an area thereof resting on said truing flank means, and in that the band means includes a pair of end portions, said clamping means includes means for attaching one of said end portions at a base of said truing flank means with the coated area thereof extending over said truing flank means, and in that said clamping means further includes means for pretensioning the other end of said end portions of said band means.

Claim 30

Device according to claim 24, characterized in that said band means is a steel band.