Slidable boring tool with fine adjustment
First Claim
1. A system for boring a hole, comprising:
- a computer numerically controlled machining apparatus having a rotating drive member rotatable about an axis;
a member with a first surface, the member being proximate said machining apparatus;
a boring tool including a coupling member for coupling said boring tool to said drive member, a cutting tool holder slidably coupled to said boring tool, and a slidable adjustment member slidably coupled to said boring tool, said adjustment member having a second surface; and
an electronic controller operably coupled to said machine, said controller performing an algorithm which adjusts the sliding position of said cutting tool holder by placing the first surface in contact with the second surface and applying a force thereacross.
2 Assignments
0 Petitions
Accused Products
Abstract
Methods and apparatus for fine adjustment of the position of the cutting tool. In one embodiment, a boring tool includes a coupling member driven by a CNC boring machine, a cutting tool which is slidably coupled to the coupling member, and a slidable adjustment member. A frictional force resists sliding movement of the cutting tool. The frictional force is sufficient to retain the position of the cutting tool during machining operations. However, the frictional force is insufficient to resist an adjusting force applied by the adjustment member. Sliding motion of the adjustment, either by pulling or pushing it, results in movement of the cutting tool. In one embodiment, the cutting tool and the adjustment member are slidable in different directions. In another embodiment, the boring tool is adapted and configured to convert a first, greater amount of movement by the adjustment member to a second, lesser amount of movement by the cutting tool.
202 Citations
42 Claims
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1. A system for boring a hole, comprising:
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a computer numerically controlled machining apparatus having a rotating drive member rotatable about an axis; a member with a first surface, the member being proximate said machining apparatus; a boring tool including a coupling member for coupling said boring tool to said drive member, a cutting tool holder slidably coupled to said boring tool, and a slidable adjustment member slidably coupled to said boring tool, said adjustment member having a second surface; and an electronic controller operably coupled to said machine, said controller performing an algorithm which adjusts the sliding position of said cutting tool holder by placing the first surface in contact with the second surface and applying a force thereacross. - View Dependent Claims (2, 3, 4, 5, 32, 33, 34, 35, 36)
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6. A method for reducing tool chatter, comprising:
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providing a boring tool assembly including a body adapted and configured to be driven by a baring machine, a cutting tool holder adapted and configured to be retained by the body, and a cutting tool adapted and configured to be held by the cutting tool holder, and a separable member and a spring; biasing the separable member against one of to body or the cutting tool holder by the, spring; and placing the other end of the spring in contact wit the other of the body for the cutting tool holder. - View Dependent Claims (7, 8, 9, 10, 11, 12, 14, 21, 42)
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13. A method for adjusting the position of a cutting tool holder for boring holes, comprising:
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providing a boring tool having a rotational axis and including a cutting tool holder slidable in a first direction and an adjustment member, to adjustment member being slidable in a second direction at least partly orthogonal to the rotational axis, wherein the second direction is different than the first direction; sliding the adjustment member in the second direction; coupling the movement of the adjustment member to the movement of the cutting tool holder; and sliding the cutting tool holder in the first direction by said sliding the adjustment member. - View Dependent Claims (15, 16, 17, 18)
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19. An apparatus for machining a feature with a boring machine, comprising:
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an adjustable position tool holder for holding a cutting tool; a slidable adjustment member for adjusting the position of said tool holder and slidably coupled to said tool holder; a coupling element for coupling the tool holder to the boring machine;
said tool holder and said adjusting member being slidably coupled to said coupling element; andmeans for biasing said coupling element relative to said tool holder for providing a frictional force which resists motion of said tool holder relative to said coupling element; wherein said coupling element is adapted and configured to rotate about an axis, said tool holder is slidable relative to said coupling element in a fist direction at least partly orthogonal to the axis, said adjustment member is slidable relative to said coupling element in a second direction different than the first direction, and said tool holder is adapted and configured to slide in the first direction in response to sliding of said adjustment member in the second direction. - View Dependent Claims (20, 22, 23, 37, 38, 39, 40, 41)
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24. An apparatus for machining a feature with a boring machine, comprising:
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an adjustable position tool holder for holding a cutting tool; a coupling element for coupling the tool holder to the boring machine, said tool holder being slidable relative to said coupling element in a first direction; a slidable adjustment member slidably coupled to said coupling element and slidable in a second direction, said adjustment member having an external surface adapted and configured to be externally actuated; wherein said tool holder, said coupling element and said adjustment member are adapted and configured such that said tool holder slides in the first direction in response to sliding of said adjustment member in the second direction, and said tool holder slides by a first amount in response to sliding of said adjustment member by a second amount, the first amount being less than the second amount. - View Dependent Claims (25, 26, 27, 28)
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29. A method for adjusting the position of a cutting tool holder for boring holes, comprising:
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providing a boring tool having a rotational axis and including a cutting tool holder slidable in a first direction and an adjustment member, the adjustment member being slidable in a second direction at least partly orthogonal to the rotational axis; sliding the adjustment member in the second direction; coupling the movement of the adjustment member to the movement of the cutting tool holder, a surface of the adjustment member being in contact with a surface of the cutting tool holder; and sliding the cutting tool holder in the first direction by said sliding the adjustment member. - View Dependent Claims (30, 31)
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Specification