摘要:
An exemplary height-adjusting device (10) includes a base (12), a sliding block (14) and at least one fixing member (18). The base has a sliding slot (122) defined therein and a first sidewall (123), a second sidewall (124), a third sidewall (125), and a fourth sidewall (126) surrounding the sliding slot. At least one fixing hole (1232) defined in the first sidewall. The at least one fixing hole communicates with the sliding slot. The sliding block is slidably received in the sliding slot and partly protruding outwardly from the sliding slot. At least one fixing member cooperates with the at least one fixing hole to selectively fix the sliding block in the base.
摘要:
A clamping device for a machine tool that is securable to a work table of the machine tool. The machine tool typically has a work table and a saddle. The worktable is slidably mounted to the saddle. An elongated table screw is carried by the work table and extends through threaded block carried by the other saddle. A pair of jaws of the clamping device each have an acurate surface for engaging the elongated table screw. A mechanism moves the jaws relative to each other and into a closed position engaging and retaining the elongated table screw.
摘要:
A workpiece inversion system for orienting a workpiece in a conventional milling machine or the like. The workpiece is securely attached to a pallet. The pallet is of uniform design to provide a standard interface for presenting the workpiece to the milling machine. The pallets are transported to the milling machine where a combination of parts senses the pallet orientation. Upon arrival to the input station the pallet mates with an inverting receptor adjacent the input station. An actuator rotates the pallet 180 degrees thereby inverting the pallet and the attached workpiece. The inverted pallet is moved onto an inverted linear actuator disposed within the volume above the milling head. The inverting receptor returns to it original position to receive another workpiece. The inverted workpiece is moved through the machining area. As machining occurs, debris dislodged by the force of forced oil lubrication and gravity will fall away from the workpiece. The pallet then passes thorough the machining area and is mated with a reverting receptor. The reverting receptor then rotates the pallet containing the workpiece 180 degrees. The pallet and workpiece are placed back in the same relative position they had when first entering the input station on the other side of the machine.
摘要:
A method and machine for repairing overhead cam engine cylinder heads and the like. The method includes the steps of removing the caps from the bases of the bearing towers or housings, removing material from the legs of the caps to reduce their height, replacing the caps on the bases, and boring the resulting bearings to produce bearings of the proper diameter. The machine includes a device for machining a bearing cap and a device for boring the bearings. The device for boring the bearings has a boring bar that is supported only at opposite ends of the cylinder head. The bar does not sag or chatter because it is made of an extremely hard and dense material such as a dense tungsten alloy or a ceramic-coated metal.
摘要:
An adjustable support fixture and method for using same with a cutting assembly for milling or grinding a flat surface on a workpiece, the fixture including a suspended platen on which the workpiece is mounted, removable apparatus for establishing the cutting plane, devices for positioning the flat surface of the workpiece against the plane-establishing apparatus, and a mechanism for retaining the workpiece in this position as the plane-establishing apparatus is removed and the cutting operation is performed.
摘要:
An indexing and locating component to be used with a fixture for precision machining of parts. The component includes a housing that is positioned on the upper surface of the fixture and which contains a bevel gear arrangement which moves a locating pin arrangement in a predetermined vertical direction to provide a precise locating support point for a workpiece. The gear arrangement may be operated at a position remote from the component.
摘要:
A control assembly for the knee of a metal cutting apparatus which is substantially self-contained and which can be moved readily from one apparatus to another to provide a potential Z axis capability to a plurality of apparatuses with a single control assembly. The control assembly includes a lead screw removably secured at its upper end to the knee of the apparatus and extending downwardly for threaded engagement with a ball nut fixedly secured to the upper end of a sleeve journalled on a fixed hollow post. Drive means are secured to the sleeve to rotate the sleeve and nut and thereby displace the lead screw and knee vertically along the Z axis.