Abstract:
The invention relates to a process and a device for finishing workpieces (1), in particular vehicle drive units, on a production line. The workpiece (1) has side faces (3, 11, 12, 18, 21) essentially parallel to a longitudinal axis (4) and front faces (7, 8) essentially perpendicular to said side faces. During the individual machining steps, it can be swivelled into a number of machining positions in which it can be fixed. To machine the side faces (3, 11, 12, 18, 21) and the regions (2, 5, 6, 20) of the workpiece (1) which are accessible from them, the workpiece (1) is conveyed, with its longitudinal axis (4) vertical, to the individual production stations, where it is swivelled about the longitudinal axis (4) into the required machining position, fixed and clamped. To carry out the process of the invention, the workpiece (1) is equipped with a special adjustment (adjusting holes (9) on the outer periphery of one front face (8) and on the circumference of a circle having its centre on the longitudinal axis (4) of the workpiece). The finishing process is cost effective, extremely flexible and suitable for large-scale mass production.
Abstract:
A device for the automatic machining of differently-shaped parts comprises a lower frame (5) separated into several sections, on the upper side of which different tool frames (13, 15, 36) can be moved as desired over a central section (7) of the lower frame (5) by a travel unit (37, 39, 41, 42). The section (7) comprises a lifter (33) by which a workpiece holder (31) of the tool frame (13, 15) can be moved into an upper working position. In this position, the workpiece is machined by tools (23) secured to the tool frame. After completion of machining a conveyor system (71) located on the tool frame (13, 15) collects the workpiece and moves it out of the tool frame. If the workpiece has to be machined in another manner, or if, using the same device, a differently-shaped workpiece has to be machined, the tool frame (13, 15) is slid on to the lower frame in such a way that the desired tool frame arrives in its working position over the central section (7) of the lower frame (5). The tool frames (13, 15) can easily be removed from the lower frame (5) and can for example be used on another device, so that adaptation to a new workpiece can be performed outside the production line.
Abstract:
Device for the machining of workpieces, in which a lower tool (75), which receives the workpiece, can be moved upwards against an upper tool (69) by means of a lifting frame (9), said device being divided into a tool frame (11) and a lifting frame (9). The tool frame (11), which is fixed in an easily releasable manner onto the lifting frame (9), comprises a base plate (73) which carries the lower tool (75), whereby said base plate can be connected, in a working position, with the lifting table (19) of the lifting frame (9), and which during a change of the tool frame can be attached to the latter. Preferably adjuster devices (13) for the tool frame (11) are connected to both sides of the lifting frame (9), onto which an unrequired tool frame (11) can be slid, or from which another required tool frame (11) can be moved into the working position over the lifting frame (9).
Abstract:
The invention relates to a process for producing a region of greater wall thickness in a longitudinal hollow section (1) which, to this end, is subjected to a radial and axial pressure and plastically deformed thereby. The hollow section (1) is secured in a matrix (2) corresponding to the section dimensions which has an enlarged cross section corresponding to the intended final dimensions of the hollow section (1) in the deformation region. The essential embodiment consists in that the deformation to attain an increased wall thickness (14) takes place in a region between the ends of the section. In addition, the wall thickness (19) can be increased at at least one of the ends of the section.
Abstract:
The invention relates to a securing device for motor vehicle wheels (1) with one of the securing apertures (7) in the rim at a different height (h1), having a column-like securing component (8) passing perpendicularly through said aperture (7). So that motor vehicle wheels (1) (spare wheels) of different dimensions can be securely held, it is proposed that an annular flange (16) acting together with the aperture (7) can be moved along the column (17) of the securing device (8) and fixed via a stop (20), the position of which can also be adjusted.
Abstract:
The invention concerns an automatic electrohydraulically controlled transmission, in particular for motor vehicles, the transmission comprising: an input shaft (12); an output shaft (14); transmission means between the shafts which are actuated hydraulically in order to control variations in ratios; a hydraulic control system (20) with electrical solenoid valves which feed the hydraulic fluid to the hydraulic actuating means; and an electronic control system (22) for controlling the solenoid valves. The electronic control system controls the solenoid valves as a function of input parameters and signals from rotational speed sensors on the shafts. In order to obtain a simple and reliable assembly of the hydraulic and electronic control systems, said systems are mounted immediately adjacent each other on an endface gearbox flange (18).
Abstract:
The invention concerns a device for supplying an internal combustion engine with fuel, in particular in a motor vehicle. The fuel is drawn by a fuel pump (16) from a fuel reservoir (10) and fed via a forward flow line (20) to the fuel apportioning system of the engine. To ensure smooth and continuous operation, means are provided which prevent the reservoir (10) from being emptied below a defined level. The means in question can comprise at least one switch (34) which detects the fuel reservoir level and actuates a control device (36) which cuts the engine or switches off the fuel pump (16) when the reservoir reaches the defined level. The means can also be floating valves (62, 82) which shut off the intake line of the fuel pump (16) when the fuel reservoir is down to the defined level.
Abstract:
An airbag module (1) comprising an airbag (9) and a gas generator (7) disposed in the region of the outside seatback edge to the backseat of a vehicle. The airbag module (1) is covered by a flap (11) whose section (15), pointing in the direction of travel, is adjacent to a side part of the car body or trim (17), forming a gap (19) used to let out the airbag (9).
Abstract:
A sensor wheel (10) is used, for example, to detect variations in the speed of an internal combustion engine with a high degree of accuracy so that an erratic running value can be calculated from these variations. Such a sensor wheel comprises three segments, for example, which ideally are of equal length but in reality are usually of slightly different lengths. In order to avoid measuring errors owing to these differing lengths when detecting variations in the speed, the actual lengths can be determined by a known adaptation process. The device of the invention is constructed such that it has a plurality of adaptation filters (17.B1 to 17.B4) for each segment in order to detect different adaptation values for different speed ranges since it has emerged that different lengths are measured in different speed ranges, which is an error which has to be compensated for, since the length of a segment is actually permanently constant.
Abstract:
An inlet pipe assembly for a multiple cylinder internal combustion engine, in particular with two cylinder rows in a V-shaped configuration, has a tubular inlet distributor (2) from which start first individual inlet pipes (4 to 9) which curve around the inlet distributor and lead to the individual cylinders of both cylinder rows. Second, shorter individual inlet pipes also start in the inlet distributor and open into the corresponding individual inlet pipes. The inlet distributor and the first and second individual inlet pipes are formed by a single cast part (1) having a longitudinal bore (16) which intersects the second individual inlet pipes for the cylinders of a cylinder row. In each longitudinal bore (16) is inserted a supporting body (15) provided with passages (17) aligned with the second individual inlet pipes. In each passage is arranged a swivelling valve (14) on a common shaft (20) mounted in the supporting body (15).