A lifting apparatus of the present invention includes: a ball screw; a frame configured to support bearings for the ball screw; an electric motor supported by the frame and having an output shaft being rotatable; and a rotational force transferring mechanism configured to transfer a rotational force of the output shaft as a rotational force of a threaded shaft of the ball screw. A first moving body providing a first sliding surface inclined at a predetermined angle with respect to a plane including a direction of an axis is fixed to a nut of the ball screw. A second moving body is arranged to be movable linearly in a direction perpendicular to the direction of the axis with respect to the frame, has a second sliding surface configured to be slidably movable with respect to the first sliding surface, and is caused to move linearly in the direction perpendicular to the direction of the axis by a slidably movement between the first sliding surface and the second sliding surface when the nut and the first moving body moves linearly in the direction of the axis. The threaded shaft extends through the first moving body in the direction of the axis, and the pair of bearings is arranged on both sides of the first moving body.

A grinding roll including a roll body having a cylindrical outer surface extending axially between a first end and a second end and a flange attached to at least one of the first and second ends. The flange includes an outer edge that extends radially past the cylindrical outer surface of the roll body. A first surface of the flange forms a perpendicular continuing surface with the cylindrical outer surface of the roll body. A second surface of the flange forms a continuation of one of the first and second ends of the roll body. The flange includes wear protection liner elements on the first surface. The first surface of the flange includes at least one lower part adjacent the cylindrical outer surface of the roll body and at least one upper part adjacent the outer edge of the flange. The lower part includes a first type of wear protection liner elements and the upper part includes a second type of wear protection liner elements. The average covering area of the second type of wear protection liner elements is larger than that of the first type of wear protection liner elements.

This application discloses a lithiation device for applying a lithium film on an electrode plate. The lithiation device includes: a rolling mechanism including a first roller and a second roller, the two rollers configured to roll the electrode plate and the lithium film to apply the lithium film on the electrode plate; an adjustment mechanism connected to the rolling mechanism and configured to adjust a gap and/or a rolling force between the first roller and the second roller; a first monitoring mechanism configured to monitor a length of the electrode plate after the electrode plate passes through the rolling mechanism; and a controller configured to control the adjustment mechanism based on a comparison result of the length monitored by the first monitoring mechanism and a target length so that the length of the electrode plate after the electrode plate passes through the rolling mechanism approximates to the target length.

An electrode rolling apparatus for rolling an electrode substrate having a coated portion and an uncoated portion includes: a coil section having an effective region where a uniform magnetic field is generated; and an electrode rolling portion for rolling the electrode substrate, wherein the coil section comprises a coil unit disposed on at least one side of opposing sides of the electrode substrate in reference to a traveling direction of the electrode substrate, wherein the coil unit comprises a first coil unit and a second coil unit that are disposed on first and second opposing part of the electrode substrate, respectively and wherein the coil unit is configured to inductively heats an entire region of the uncoated portion and a partial region of the coated portion that are located on the opposing sides centering on a boundary line between the coated portion and the uncoated portion.

The invention relates to a method for monitoring a high-pressure roller press in the course of comminuting, compacting, or briquetting material. The roller press has two rotationally driven press rollers, between which a rolling gap is formed with a gap width that can be modified during operation. During operation, operational data of the roller press is ascertained by one or more measurement value sensors and is stored on a computer. The method is characterized in that the operational data is stored as raw data on an edge computer, as an analysis computer, which is stationed locally in the region of the roller press and is connected to the measurement value sensors, and the raw data is evaluated on the analysis computer using an analysis algorithm so that characteristic data of the roller press is generated and stored on the analysis computer, wherein the characteristic data is transmitted from the analysis computer to at least one terminal via a wireless network and is displayed on the terminal.

The invention relates to a method for monitoring a high-pressure roller press in the course of comminuting, compacting, or briquetting material. The roller press has two rotationally driven press rollers, between which a rolling gap is formed with a gap width that can be modified during operation. During operation, operational data of the roller press is ascertained by one or more measurement value sensors and is stored on a computer. The method is characterized in that the operational data is stored as raw data on an edge computer, as an analysis computer, which is stationed locally in the region of the roller press and is connected to the measurement value sensors, and the raw data is evaluated on the analysis computer using an analysis algorithm so that characteristic data of the roller press is generated and stored on the analysis computer, wherein the characteristic data is transmitted from the analysis computer to at least one terminal via a wireless network and is displayed on the terminal.

A method is disclosed for producing flakes of a first material, the method comprising: a) supporting two supply cylinders of the first material and a fatiguing rod assembly, that includes at least one textured fatiguing rod, so that each fatiguing rod is sandwiched between the two cylinders, each fatiguing rod having a diameter smaller than an initial diameter of the two supply cylinders and being made of a second harder material; b) urging the surfaces of the two supply cylinders into contact with each fatiguing rod; and c) causing the supply cylinders and the fatiguing rod(s) to rotate while making rolling line contact with one another; wherein the supply cylinders and each fatiguing rod are urged against one another with sufficiently high contact pressure to modify the surface of the supply cylinders by fatigue and result in separation of flakes from the surfaces of the cylinders.

A roll press machine that presses-forming of a work is disclosed in which a plurality of electrode layers having been baked on a metal foil. The material is supplied as a work W into a gap between a lower roll and an upper roll for consolidating. As the work travels through the gap, a controlling device is configured to maintain the gap larger than a consolidating gap until the front edge of the work passes through the gap by a first predetermined distance, then maintain the gap equal to the consolidation gap until the rear edge of the work arrives downstream of the gap by a second predetermined distance, and maintain the gap larger than the consolidation gap until the rea edge leaves the gap.

The invention relates to a shiftable transmission (1) having at least two shifting levels, preferably for use in rolling mill technology, said shiftable transmission comprising: a rotatably mounted input shaft (20), to which an input torque an be applied; a rotatably mounted first output shaft (30) and a rotatably mounted second output shaft (40), which are arranged parallel and are connected to each other by means of an output transmission stage in such a way that aid output shafts rotate oppositely, preferably at the same rotational speed, when an input torque is applied to the input shaft (20) at any shifting level of the shiftable transmission (1); a first coupling (50), which is designed to selectively connect an disconnect the input shaft (20) and the first output shaft (30), a first shifting level of the shiftable transmission (1) being realized in the coupled state, in which first shifting level the input shaft (20) and the first output shaft (30) are connected to each other in such a way that the input torque is transferred from the input shaft (20) to the first output shaft (30) without step-up or step-down, preferably without redirection and without a spur gear stage.

A method for impregnating a fibrous material with a curable resin to form a prepreg is disclosed. The method includes conveying a web material through at least one moving pressure nip formed between a moving pressure roller and a moving supporting surface, wherein the moving pressure roller and the moving supporting surface travel at different velocities relative to each other resulting in a relative velocity between the web material and the pressure nip. The at least one moving pressure nip travels in the same direction as the web material while applying sufficient pressure to compress the web material and to affect impregnation of the fibrous material with the curable resin. Also disclosed is a system for implementing the disclosed impregnation method.