A fixture assembly may include a housing, a clamp assembly, and a drive mechanism. The clamp assembly may be movably mounted to the housing and may include a first clamp member and a second clamp member. The first and second clamp members may be linearly movable relative to the housing toward and aw
A fixture assembly may include a housing, a clamp assembly, and a drive mechanism. The clamp assembly may be movably mounted to the housing and may include a first clamp member and a second clamp member. The first and second clamp members may be linearly movable relative to the housing toward and away from each other. The drive mechanism may be coupled to the clamp assembly and the housing and may drive the clamp assembly relative to the housing such that the first clamp member moves linearly toward the second clamp member at a first speed in a first direction and the second clamp member moves linearly toward the first clamp member at a second speed in a second direction that is opposite the first direction. The first speed may be different than the second speed.
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1. A fixture assembly comprising: a housing;a clamp assembly movably mounted to the housing and including a first clamp member and a second clamp member, the first and second clamp members are linearly movable relative to the housing toward and away from each other; anda drive mechanism coupled to t
1. A fixture assembly comprising: a housing;a clamp assembly movably mounted to the housing and including a first clamp member and a second clamp member, the first and second clamp members are linearly movable relative to the housing toward and away from each other; anda drive mechanism coupled to the clamp assembly and the housing and driving the clamp assembly relative to the housing such that the first clamp member moves linearly toward the second clamp member at a first speed in a first direction and the second clamp member moves linearly toward the first clamp member at a second speed in a second direction that is opposite the first direction, and wherein the first speed is different than the second speed. 2. The fixture assembly of claim 1, wherein the drive mechanism includes a central plate that engages the first and second clamp members, the central plate is received in the housing and is slidable within the housing in a third direction that is perpendicular to the first and second directions. 3. The fixture assembly of claim 2, wherein the central plate includes a first side having a first clamp slot formed therein and a second side having a second clamp slot formed therein, the first and second sides are opposite each other, and wherein the first clamp member is slidably received in the first clamp slot and the second clamp member is slidably received in the second clamp slot. 4. The fixture assembly of claim 3, wherein the first and second clamp slots are disposed at acute angles relative to the third direction. 5. The fixture assembly of claim 4, wherein the first clamp slot is disposed at a first acute angle relative to the third direction, and the second clamp slot is disposed at a second acute angle relative to the third direction, wherein the first acute angle is different than the second acute angle. 6. The fixture assembly of claim 5, wherein the housing includes a first guide slot and a second guide slot, the first guide slot slidably receives a first slider block attached to the first clamp member, the second guide slot slidably receives a second slider block attached to the second clamp member, wherein the first slider block moves within the second guide slot in the first direction as the central plate moves in the third direction, and wherein the second slider block moves within the second guide slot in the second direction as the central plate moves in the third direction. 7. The fixture assembly of claim 6, wherein the first clamp member includes a first flat gripping surface and a second flat gripping surface that is angled relative to the first flat gripping surface, wherein the first and second flat gripping surfaces both engage a workpiece and cooperate with the second clamp member to fix the workpiece relative to the housing. 8. The fixture assembly of claim 7, wherein an angle between the first flat gripping surface and the second direction is equal to the first angle, wherein an angle between the second flat gripping surface and the second direction is equal to the first angle, and wherein the second angle is less than the first angle. 9. The fixture assembly of claim 8, wherein the second clamp member includes cylindrical rod having a longitudinal axis that is perpendicular to the third direction. 10. The fixture assembly of claim 9, wherein the first clamp member includes a first clamp arm and a first clamp block, the first clamp arm is slidably received in the first clamp slot in the central plate, the first clamp block is mounted to an end of the first clamp arm and is pivotable relative to the first clamp arm about a first rotational axis that is parallel to the third direction, and wherein the first and second flat gripping surfaces are mounted on the first clamp block. 11. The fixture assembly of claim 10, wherein the second clamp member includes a second clamp arm and a second clamp block, the second clamp arm is slidably received in the second clamp slot in the central plate, the second clamp block is mounted to an end of the second clamp arm and is pivotable relative to the second clamp arm about a second rotational axis that is parallel to the third direction, and wherein the cylindrical rod is mounted on the second clamp block. 12. The fixture assembly of claim 11, wherein the first and second flat gripping surfaces are defined by first and second wear pads, respectively, that are mounted to the first clamp block, wherein edges of the first wear pad are clamped to fix the first wear pad to the first clamp block, and wherein edges of the second wear pad are clamped to fix the second wear pad to the first clamp block. 13. A method of clamping a first tool and a second tool in a fixture assembly including a housing, a first clamp member and a second clamp member, the first and second tools having different outer diameters, the method comprising: driving the first and second clamp members relative to the housing and toward each other to clamp the first tool therebetween such that a centerline of the first tool is disposed at a given location relative to the housing;unclamping the first tool; anddriving the first and second clamp members relative to the housing and toward each other to clamp the second tool therebetween such that a centerline of the second tool is disposed at the given location relative to the housing,wherein the first clamp member is disposed a first distance from the given location while the first tool is clamped between the first and second clamp members, and the second clamp member is disposed a second distance from the given location while the first tool is clamped between the first and second clamp members,wherein the first clamp member is disposed a third distance from the given location while the second tool is clamped between the first and second clamp members, and the second clamp member is disposed a fourth distance from the given location while the second tool is clamped between the first and second clamp members, andwherein a difference between the third and first distances is different than a difference between the fourth and second distances. 14. The method of claim 13, wherein driving the first and second clamp members toward each other includes driving the first clamp member at a first speed while simultaneously driving the second clamp member at a second speed that is different from the first speed. 15. The method of claim 14, wherein driving the first and second clamp members toward each other includes driving the first and second clamp members in opposite linear directions. 16. The method of claim 15, wherein driving the first and second clamp members toward each other includes moving a plate within the housing in a direction perpendicular to the directions in which the first and second clamp members move toward each other, wherein the plate includes a first clamp slot that slidably receives the first clamp and a second clamp slot that slidably receives the second clamp, and wherein the first clamp slot is disposed at a first acute angle relative to the direction in which the plate moves within the housing, and the second clamp slot is disposed at a second acute angle relative to the direction in which the plate moves within the housing, wherein the first acute angle is different than the second acute angle. 17. The method of claim 13, wherein the first clamp member includes first and second flat gripping surfaces that are disposed at an angle relative to each other, wherein clamping the first tool includes contacting the first tool with the first and second flat gripping surfaces, and wherein clamping the second tool includes contacting the second tool with the first and second flat gripping surfaces. 18. The method of claim 17, wherein the second clamp member includes a cylindrical rod, and wherein clamping the first tool includes contacting the first tool with the cylindrical rod, and wherein clamping the second tool includes contacting the second tool with the cylindrical rod. 19. The method of claim 13, further comprising adjusting an angle between a longitudinal axis of the cylindrical rod and an intersection of planes defining the first and second flat gripping surfaces. 20. The method of claim 13, wherein the first and second tools are drill bits.
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