摘要:
A method and apparatus is provided for automatic shifting of a multi-path, toothed-wheel gear change box with at least two gearbox subunits in parallel to one another in the power transmission path between an input shaft and an output shaft and having loose wheels which can be coupled to their shaft in each case by a gearwheel clutch. A starting shift condition is selected if the vehicle is at a standstill, in which condition both the gearwheel clutch connected to the loose wheel of the gearwheel stage of the reverse gear and the gearwheel clutch of that gearwheel stage which forms the lowest of the gears, which are independent of the power-shift clutch of the gearbox subunit with the gearwheel stage of the reverse gear, are engaged.
摘要:
A change-speed gearbox having two countershaft transmission each connected by a frictional driving clutch to an input shaft and having a single common countershaft. Two gear wheel stages of the countershaft transmissions can be optionally connected into the driving connection between the input and output shafts by a change-speed clutch. One of the two gear wheel stages of one countershaft transmission is allocated to the reverse gear, and one of the two gear wheel stages of the other countershaft transmission is used both in reverse gear and in second gear.
摘要:
A fiber filling box divided into compartments by slotted divider walls, preferably comb-like divider fences with vertical tines extending downwardly from a top frame, is lowered onto an air-permeable conveyor over at least one vacuum box in a fiber filling station. A multi-axis controlled nozzle blows fiber material to different depths and/or densities in the individual compartments. The divider fences allow continuous intertwining of fibers between adjacent compartments, but sufficiently contain the fibers to maintain well-defined boundaries between different fiber depths and/or densities in the individual compartments. Hold-down plates are lowered onto the fiber material, the fiber filling box is lifted away, and then the hold-down plates are lifted to release a shaped fiber mass, which is then heated and compacted in a heating station to form a fiber preform. The hot fiber preform is then molded, compressed and cooled in a molding station to produce a molded fiber component.
摘要:
The invention relates to a roller pump consisting of a stator with a pump bed formed therein and a rotor for acting on a hose inserted into the pump bed in arcuate form. In accordance with the invention, the ends of the tube guided out of the pump bed cross.
摘要:
An apparatus for producing a molded product from a sheet-form raw material blank has first and second mold tools that each respectively include a respective inner core mold and a respective outer edge mold laterally adjacent thereto. Drive elements drive the outer edge molds relative to a machine frame, and drive the inner core molds relative to the outer edge molds. A molding process involves closing the outer edge molds to hold an edge rim of the material blank while allowing slippage thereof, and then closing the inner core molds to three-dimensionally deform and mold a central portion of the material blank while pulling required additional material by slippage through the outer edge molds. A separate slip frame is not used. The edge rim held by the outer edge molds remains as a permanent mounting rim or flange of the finished molded product. Edge waste is minimized.
摘要:
A trim component (1) includes a substrate (2) and two different cover materials (3, 4), which are not spliced together but are independently adhesively bonded onto the substrate (2) by a hot-melt contact adhesion. The junction (7) is received in a valley (6) of the substrate that is pinched closed using a molding apparatus that includes a horizontally movable pinching stamp (13) which forms a pinching gap (16) relative to a protruding edge (11A) of a fixed mold tool (11). A tucking blade (22) cooperates with a counter-clamping blade (26) to clampingly hold and then press the substrate and junction of the cover sheets into the pinching gap. The tucking blade is then retracted while the pinching stamp pinches closed the pinching gap, to form a tightly closed valley in the substrate with the junction cleanly pinched therein.
摘要:
A roller pump includes a stator with a pump bed formed therein, and a rotor for acting on a hose inserted into the pump bed in arcuate form. The ends of the hose are guided out of the pump bed in a crossed configuration.
摘要:
The invention relates to a roller pump consisting of a stator with a pump bed formed therein and a rotor for acting on a hose inserted into the pump bed in arcuate form. In accordance with the invention, the ends of the tube guided out of the pump bed cross.
摘要:
An apparatus for producing a molded product from a sheet-form raw material blank has first and second mold tools that each respectively include a respective inner core mold and a respective outer edge mold laterally adjacent thereto. Drive elements drive the outer edge molds relative to a machine frame, and drive the inner core molds relative to the outer edge molds. A molding process involves closing the outer edge molds to hold an edge rim of the material blank while allowing slippage thereof, and then closing the inner core molds to three-dimensionally deform and mold a central portion of the material blank while pulling required additional material by slippage through the outer edge molds. A separate slip frame is not used. The edge rim held by the outer edge molds remains as a permanent mounting rim or flange of the finished molded product. Edge waste is minimized.
摘要:
A combined tool for edge-folding and trimming a rim of a panel includes a cutting blade rigidly secured to a tool holder frame, an edge-folding tool slidably received in the tool holder frame, and a biasing spring arranged in the tool holder frame to bias the edge-folding tool outwardly away from the holder frame. The tool is moved in a linear stamping direction, whereby the edge-folding tool folds back and then holds and compresses a margin of a panel workpiece. The tool holder frame and cutting blade are pushed farther in the linear stamping direction, while the edge-folding tool is pushed back into the tool holder frame and compresses the biasing spring, whereby the cutting blade cuts through and compresses the panel workpiece. This forms a back-folded, compressed, and trimmed rim of the finished panel in a single work step using an integrated edge-folding and cutting tool.