An accessory for use with a rotary power tool having a rotatable spindle and a first mating member. The accessory includes a housing having a body and a plurality of arms extending therefrom, a hub selectively engagable with the spindle to lock the accessory to the power tool, and a sleeve slidable along the arms between a first position and a second position, where the sleeve includes a plurality of apertures through which the corresponding plurality of arms extend. When the sleeve is in the first position the sleeve locks the hub to the spindle to secure the accessory to the power tool, and wherein when the sleeve is in the second position the sleeve disengages the hub from the spindle to release the accessory from the power tool.

A stair form member attached jaw is installed with the stair form member provided at the bottom face of the soft jaw. The stair form member is held between a pair of grips in the jaw installing groove of the master jaw from both sides of the radial direction, thereby pulling the stair form member to the bottom direction of the jaw installing groove. The position of the radial direction of the soft jaw is determined by the engagement between the bottom face of the soft jaw and the upper serration faces of the master jaw; and the position of the soft jaw in the tangent line is determined by the close contact of the stair form member to the side face of the jaw installing groove.

A process for creating custom fixtures for parts that are to be CNC lathe machined is fully automatic and requires no human interaction. The customer's CAD file is computer analyzed to determine whether the part's dimensions fit within an available CNC lathe turning center for forming out of a cylindrical stock bar. The longitudinal axis is identified, and a set of tool paths is developed for cutting the part from two respective directions. A corresponding tool path is developed for CNC lathe cutting a bushing, preferably from the same bar stock, which generally represents the negative space around circular cross-sections of the part, in monotonically increasing diameters from the first end of the part. The bushing is then used to hold the part in the chuck during machining the second end of the part from the opposite direction.

A system includes a component to be machined, the component having a plastic base body having an outer diameter and a longitudinal axis and at least one clamping auxiliary structure, and a clamping element configured to clamp the component using the clamping auxiliary structure. The clamping element includes at least one clamping jaw having at least one counter-clamping auxiliary structure that is configured to engage the clamping auxiliary structure and to fix the component in an interference-fit manner in the axial direction with respect to the clamping element. Also a machining method using the system.

A rotary power tool assembly including a rotary power tool and an accessory. The rotary power tool includes a rotatable spindle and a first mating member. The accessory includes a housing, a hub configured to be coupled to the spindle, a ball detent disposed selectively engageable with the spindle to axially lock the accessory to the power tool, and a sleeve axially slidable between a first position in which the sleeve biases the ball detent radially inward and into engagement with the spindle, and a second position in which the ball detent is disengageable from the spindle to release the accessory from the rotary power tool. The accessory further includes a second mating member received within the sleeve and axially fixed to the arms of the housing. The first and second mating members rotationally fix the accessory to the rotary power tool.

A drilling apparatus has a housing, a motor in the housing, a drive spindle rotatable about an axis on the housing, a chuck body, and a plurality of jaws shiftable in the chuck body. First and second elements interconnected by a screw thread and engaged between the body and the jaws for shifting the jaws on the housing. A drive sleeve rotationally fixed to the first element is drivable by the motor.

A collet adaptor (10) including a body (11, 12) having forward and rear ends and an axial bore (17) extending through the forward and rear ends. A drawbar (13) disposed at least partly within the bore (17) for connection to a collet (14). The drawbar (13) is secured within the bore (17) and a biasing arrangement (42) acts on the drawbar (13) in a direction tending to shift the drawbar (13) rearwardly within the bore (17). The drawbar (13) is displaceable within the bore (17) against the biasing influence of the biasing arrangement (42) to shift forwardly within the bore (17).

The invention relates to a holding system (1) for temporarily holding a workpiece, comprising a holding apparatus (10) that has at least one or more existing holding units (11-14) for holding a workpiece with a retaining force of the particular holding unit (11-14), a detection means (20) that is designed to quantify a change in the retaining force of the existing holding units (11-14), and an adjustment means (30) that is designed to adapt the retaining force of a further holding unit (15) based on the quantified change.

A clamping adapter for clamping a component provides that during the clamping or releasing of the component on a clamping adapter by actuation of a clamping mechanism which has a first clamping device for clamping or releasing the component on the clamping adapter and a second clamping device for clamping or releasing the clamping adapter on the machine element, the clamping adapter itself can also be clamped or released on the machine element by the actuation of the clamping mechanism. A machine element for clamping a clamping adapter that can clamp a component, clamping systems for clamping a component on a machine element of a processing and/or measuring machine, and a processing and/or measuring machine for processing and/or measuring a component, as well as methods for clamping or releasing a component on a machine element of a processing and/or measuring machine, are also provided.

A milling machine can include a chuck and at least one tool. The chuck is rotatable about a first rotational axis and has clamping jaws. The at least one tool is movable relative to the first rotational axis. An assembly for the milling machine includes a workpiece and a collet. The collet includes fingers affixing the collet to the workpiece. The collet also includes a chuck mount receivable within the chuck. The chuck is rotatable about a first rotational axis and has clamping jaws. The at least one tool is movable relative to the first rotational axis. An assembly for the milling machine includes a workpiece and a collet. The collet includes fingers affixing the collet to the workpiece. The collet also includes a chuck mount receivable within the chuck.