Abstract: A drill head includes a first attachment surface attached to a holder, a head tip surface opposite to the first attachment surface in an axial direction along the central axis, and a head outer peripheral surface continuous with the first attachment surface and the head tip surface. The head outer peripheral surface is provided with a first flute and a second flute extending helically about the central axis from the head tip surface to reach the first attachment surface. The first flute and the second flute are symmetric with respect to the central axis. Each of the first flute and the second flute has a first end and a second end that face each other with a space between them in a circumferential direction along a circumference centered on the central axis.

Abstract: A processing device with a constant force spindle capable of quickly switching a force control axial direction and a processing method thereof, having a quick-detach unit fixed at a constant force control unit by a first quick-connecting piece, and respectively connecting and moving synchronously with the spindle by a second quick-connecting piece and a third quick-connecting piece, the first quick-connecting piece moves along with a working end of a multi-axial transfer unit, and when combined, a first axial direction that is coaxial with the force control axial direction is defined; alternatively, the first quick-connecting piece moves along with the working end of the multi-axial transfer unit, and when combined, a second axial direction that is coaxial with the force control axial direction is defined, the first axial direction is not parallel to the second axial direction and has an included angle.

Abstract: Back drilling vias of a PCB, including: identifying a particular diameter of a particular via of multiple vias of the PCB; back drilling of the particular via with a first drill bit having a first diameter, the first diameter a first percentage greater than the particular diameter of the particular via; determining whether the first diameter of the first drill bit is a threshold percentage greater than the particular diameter of the particular via; determining that the first diameter of the first drill bit is less than the threshold percentage greater than the particular diameter of the particular via, and in response: back drilling of the particular via with a second drill bit having a second diameter, the second diameter a second percentage greater than the particular diameter of the particular via, the second diameter greater than the first diameter.

Abstract: The invention relates to a peeling wheel for manufacturing a toothing on a gear wheel by skiving. The peeling wheel includes a toothing, which is formed by a plurality of equally shaped cutting teeth arranged and distributed around the rotational axis of the peeling wheel at a first pitch and at least one deviating cutting tooth, whose shape is different from the shape of the equally shaped cutting teeth. The cutting teeth include cutting edges with which they come into chip removing engagement with the material of the gear wheel during the skiving processing. In order to be able to produce toothings with such a peeling wheel with increased freedom in the design, the invention proposes that the deviating cutting tooth is arranged outside of the first pitch (p). The invention also relates to a method for producing a toothing on a gear wheel by skiving using a peeling wheel.

Abstract: A cutting tool may include a base body, a tip, a sensor, and a connector. The base body may have a shank section and a securing section located at a front end of the shank section. The tip may be secured to the securing section and may have a cutting edge. The sensor may be accommodate inside the shank section. The connector may be located inside the shank section and may be oriented outward of the shank section. The connector may include a recess recessed relative to an outer surface of the shank section, and may also include a terminal exposed within the recess and electrically connected to the sensor.

Abstract: A vibration-damping hydraulic tool holder based on a multi-cavity structure is provided. The vibration-damping hydraulic tool holder based on the multi-cavity structure includes a gripper, one end of the gripper is provided with an installation groove, the installation groove is filled with a sealing sleeve, the center of the sealing sleeve is provided with a clamping hole for clamping the tool, and several independent hydraulic units are set on the gripper to apply clamping force to the tool; the hydraulic unit consists of two hydraulic components, the two hydraulic components on the same hydraulic unit are set relatively and connected with each other, an oil injection hole is set on the gripper to add hydraulic oil to the hydraulic unit; The hydraulic tool holder based on multi-cavity structure vibration reduction can solve the problem of low surface quality caused by excessive vibration of the existing hydraulic tool holder.

Abstract: A clamping device for releasably holding a tool holder shank includes a housing, a drawbar axially moveable in a bore in the housing, engagement members moveable under the effect of the drawbar into locking engagement with the tool holder shank, and an actuating member rotatably arranged in the bore. Upon rotation of the actuating member, a contact surface on a motion transferring element fixedly connected to the actuating member achieves an axial movement of the drawbar by pressing against a contact surface on another motion transferring element fixedly connected to the drawbar. At least one of the contact surfaces includes two sections with mutually different pitch, such that the same angular displacement of the actuating member, when rotated in a first rotary direction, results in a longer axial movement of the drawbar in a first phase of the rotary movement than in a final phase thereof.

Abstract: A device (10) for the automatic connection of a high speed spindle (40) to a numerically controlled machine is described, comprising a first connecting element (11) and a second connecting element (31), the first connecting element connection (11) comprising a first electrical contact element (14) and a first duct (12) for the passage of pressurized air; the second connecting element (31) comprising a second electrical contact element (34) configured to establish an electrical contact with said first electrical contact element (14) and electrically power the spindle at high speed (40), and a second conduit (32) for the passage of the pressurized air coming from the first duct (12); a method is also described for automatically sealing the first and second connecting elements (11, 31) of the device (10).

Abstract: The invention relates to a device for machining frames welded from profile pieces such as window or door frames made of plastic, said device comprising at least one machining head and machining tools which are mounted thereon and can be delivered to the relevant machining position on the frames. The machining head can be pivoted around an axis and has a positioning shaft which is mounted at an angle with respect to the pivot axis and on which the machining tools are mounted. The positioning shaft extends on both sides of the machining head with machining tools at both end regions of the positioning shaft.

Abstract: The drill of the invention has: two cutting edges, each having a main cutting edge and a thinned cutting edge, wherein two relief surfaces formed symmetrically around rotation axis, first and second margin portions are formed, the first margin portions have a forward-end small-diameter portion with diameter smaller than the drill diameter, that is formed from the side of the drill forward-end toward the drill rearward-end, the second margin portions have a second forward-end small-diameter portion with diameter smaller than the first forward-end small-diameter portion, that is formed from the side of the drill forward-end toward the side of the drill rearward-end, the first forward-end small-diameter portion and the second forward-end small-diameter portion have inclination portions, the diameters of which gradually increase from the side of the drill forward-end toward the side of the drill rearward-end, and the inclination portions of the first forward-end small-diameter portion have relief surfaces.

Abstract: A drilling machine tool with a cooling liquid purifying and recycling mechanism. The drilling machine tool comprises a platform in which a blanking hole is formed, wherein air cylinders are fixedly mounted at the top of a transverse plate located above the platform, a lifting plate is mounted after the output shaft ends of the air cylinders penetrate through the transverse plate, an isolation cylinder is arranged below the lifting plate, an opening is formed in the bottom of the isolation cylinder, the bottom end of the vertical shaft slidably penetrates through the isolation cylinder and is fixedly provided with a drill bit, the isolation cylinder is connected with the lifting plate through pressing mechanisms, and a cooling liquid conveying mechanism communicating with the interior of the isolation cylinder is arranged on the platform; and a cooling liquid purifying and recycling mechanism is arranged at the bottom of the platform.

Abstract: Apparatus for machining hubs for vehicles, comprising a first machining group (11) having a first number (n1) of first stations, an inbound transfer station (11a), an outbound transfer station (11b), a loading station (117) and an unloading station (118); a second machining group (12) having a second number (n2) of second stations, an inbound transfer station (12a) and an outbound transfer station (12b); a first rotating table (13) having a number of first workpiece-holder sectors (131) equal to the first number (n1); where the first sectors (131) face the first stations; a second rotating table (14) having a number of second sectors (141) equal to said second number (n2); the second sectors (141) face the second stations; a first transfer group (15) for transferring workpieces between the first machining group (11) and the second machining group (12).

Abstract: An angle adjustment mechanism includes an angle adjustment block including first opposing side faces inclined relative to the direction along the rotation axis of the turret; first and second adjustment blocks having inclined faces that are brought into surface contact with respective first opposing side faces, and movable in a direction along the rotation axis; a depression formed in a tool holder, and accommodates the angle adjustment block with the first and second adjustment blocks; first and second adjusters that move the first and second adjustment blocks in a direction along the rotation axis of the turret; and a first positioning member conducting positioning between the turret and the tool holder, and a second positioning member conducting positioning between the turret and the angle adjustment block. This configuration provides a mechanism for attaching a tool holder to a turret which can easily conduct highly precise angle adjustment.

Abstract: A computer numerical control (CNC) machining apparatus and method are disclosed which comprise: a first base; a second base vertically perpendicular to the first base; a tool head support assembly having a tool head, connected to and move a tool head in an omni-directional; and a plurality of rotatable clamps configured to independently hold, release, and move a workpiece along the first base and independently rotate a workpiece 360° around itself.

Abstract: A rotary cutting tool has a tool holder and a cutting portion releasably attached to the tool holder. The tool holder includes a mounting portion designed to be attached to a spindle. The rotary cutting tool also has a fluid channel and an energy harvesting arrangement which includes a turbine located in the fluid channel. The fluid channel opens out to a channel inlet opening, for the supply of fluid, located at the mounting portion and a channel outlet opening in fluid communication with the channel inlet opening.

Abstract: A conditioning disk replacement apparatus includes; a detacher configured to separate a conditioning disk from to a holder, a transfer part configured to transfer the conditioning disk, and a container configured to store the conditioning disk. The detacher includes a detachment body and a rotary part coupled to the detachment body, the rotary part includes a key protruding outward from the rotary part in a first horizontal direction, and the rotary part is configured to rotate about a central axis extending in the first horizontal direction.

Abstract: A machine tool comprises a frame, which carries a fixed gantry for supporting at least one tool spindle. The gantry comprises a gantry recess, through which a working space is accessible. The one or more tool spindles on the gantry can each be moved vertically in a first direction and in a second direction orthogonal to the first direction. The machine tool further comprises a workpiece table with at least one location for supporting workpieces. The workpiece table is movable in translation in a third direction Y orthogonal to the first direction and the second direction. At least one tool magazine is associated with the at least one tool spindle tool spindle. Tools for tool changing can be fed through at least one magazine opening in the gantry. Tool changing between the one or more tool spindles and the at least one tool magazine takes place in a pick-up process.

Abstract: A pocket-cutting device routs staggered pockets in elongated joinery member. The pocket-cutting device includes a base having a worktop, a clamp assembly for clamping the joinery member to the worktop, a router assembly for routing the pockets in the joinery member, a drill assembly for drilling bores in the joinery member, and a guide mounted in the worktop dimensioned and configured to position the joinery member in first and second positions relative to the router assembly for routing first and second pockets and first and second bores in the joinery member at staggered positions. A method of using the staggered pockets is also disclosed.

Abstract: A universal adapter to facilitate the easy and efficient of exchange of needle scaler and chisel accessories associated with an air tool receiver/coupler, the adapter including a sleeve with a spring and a spacer, an adapter carrying an O-ring, and an anvil member in contact with the base of a plurality of needles is disclosed herein.

Abstract: An alignment device has a support base attached to a conveying device, and a mounting plate to which a gripping member is attached, and the mounting plate is transferably abutted on a fastening holder that is fixed to the support base. A movable ring fixed to the mounting plate has a sliding part that is transferably engaged with the fastening holder. A first holding mechanism arranged between the fastening holder and the mounting plate locks the mounting plate to the fastening holder. A second holding mechanism provided between the fastening holder and the movable ring cancels a first-direction force of the mounting plate.