Abstract:
There is disclosed a device (1) for resurfacing an axle- mounted brake disc (2), comprising means (7) for mounting the device (1) to the vehicle, means (9) for moving a part of the device with respect to an auxiliary shaft (8) extending substantially parallel to the axle, means (12) for rotating the axle, and drivable brake disc machining means (11) mounted on the movable part of the device. Advantageously, the resurfacing of a brake disc in mounted condition on the vehicle takes place by driving the machining means (11), and any movement of the brake disc (2) itself may take place slowly, so that every part thereof can be worked.
Abstract:
A power driving assembly (17) serves for rotating a disc brake (2) being resurfaced by means of a disc brake lathe (1) mounted onto the caliper mounting brackets (3) of a vehicle wheel hub assembly (4). The power driving assembly (17) comprises a motor (18) and a shaft (19) for transmitting the power from the motor (18) to the disc brake (2). The shaft is a flexible shaft (19), which is connected to a gear (15) of a gearbox (15'), which again is connected to the disc brake (2). The motor (18) and the disc brake (2) can be correctly connected to each other quickly and easily.
Abstract:
Disclosed is an apparatus for detecting a position of a drawbar unit installed in a spindle unit. The apparatus is a part of an automatic tool exchange device for exchanging tools in the spindle unit of a machine tool. The apparatus transmits a signal to a main controller after detecting the position of the drawbar such that the main controller checks a state of a tool clamped by the drawbar unit. The drawbar unit is installed in the spindle unit forming the automatic tool exchange device and clamps the tool at a front thereof. A core is installed at a rear peripheral portion of the drawbar unit and a coil section having a cylindrical shape is wound around an outer peripheral portion of the core. An LC oscillating circuit is provided such that the LC oscillating circuit includes the coil section as a part thereof. An oscillating frequency of the LC oscillating circuit varies depending on a position of the core made of magnetic material, so the apparatus detects the position of the drawbar unit based on the oscillating frequency of the LC oscillating circuit. A position detecting section transmits present position information of the drawbar unit to a main controller, so the main controller detects the present position of the drawbar unit.
Abstract:
A fixture (10) for holding a brake drum or other similarly shaped workpiece (12) for machining. The fixture includes a body (30) having a body cavity (32) and a clamping assembly disposed therein. The clamping assembly (42) includes a positioning plate (44) having a plurality of positioning posts (60) secured thereto. The positioning posts are received within fastener apertures (24) formed in the brake drum mounting face (26, 28) for locating the drum within the fixture so that the drum axis (16) is coaxially aligned with the fixture axis (34) for proper machining.
Abstract:
An on-car disc brake lathe system (30) for resurfacing a brake disc of a vehicle brake assembly includes a lathe body (34) with a driving motor (32), a cutting head (36) operably attached to the lathe body, and a drive shaft (68). The system also includes an alignment system (50) having an electronic controller (600), input and output adaptors (66, 82) configured to rotate with the drive shaft, one or more adjustment discs (90, 92), and an adjustment mechanism (94, 96).
Abstract:
A device (1), for holding a movable tool holder (5) at right angles to a shaft (3) for turning a brake disc (7) on a vehicle, has a coupling section (11), which is formed by a plate (13) that is fastened against a hub (17) on the shaft (3), and securing devices (19), in the form of a disc (23), for securing the tool holder (5). The device (1) also has devices for holding the tool holder (5) at right angles to the shaft (3). These devices are formed by a hinge construction, which is built up of a sphere (29), which is fastened on an ancillary shaft (33) that is fastened in the plate (13), and two scale-shaped parts (35, 37). The scale-shaped parts (35, 37) can be pressed towards each other by turning a hollow nut (39), so that they can be clamped onto the sphere (29) and block the hinge construction.
Abstract:
A device (1) for processing braking surfaces of a brake disk has a rotation drive device (11) for rotating the brake disk (2), a processing section (12) for processing braking surfaces (4, 5) of the brake disk (2), and pressing rollers (13, 14) for pressing the braking surfaces (4, 5). Since the braking surface processing device (1) has the pressing rollers (13, 14) for pressing the braking surfaces (4, 5), deformation of the braking surfaces (4, 5) can be reliably restrained even if a tool is pressed against the braking surfaces (4, 5), in the direction normal to the surfaces. Processing accuracy of the braking surfaces (4, 5) of the brake disk (2) can be enhanced.