摘要:
The aim of the invention is to monitor the operating condition of a press, especially a packing press (1) while preventing the machine parts that are involved in the relative movements from fretting. Said aim is achieved by a) detecting amplitudes of vibrations during the time and/or a distance of a relative movement occurring between at least one compressor (3.1, 3.2, 3.3) and/or a door (5.1) and the press case (2.2) within a cycle that lasts from the beginning to the end of the compression process and the ejection of the pressed article, and predefining an admissible oscillation amplitude of the entire press within the control mechanism (16.2) as a “normal condition” for increments of the duration and/or the distance of the relative movements; b) generating an “alert value” lying above the maximum value established for the normal condition and a shut-off value lying above the alert value; c) inputting both threshold values of the alert value and the shut-off value in the control mechanism (16.2) of the press (1) for each relevant relative movement or each increment of the duration and/or the distance of the relative movement; and d) controlling operation of the press during the cycle lasting from the beginning to the end of the compression process or during the relevant relative movement by means of the control mechanism (16.2), a signal being displayed when the alert value and/or the shut-off value has/have been reached.
摘要:
The invention relates to a grinding machine for all kinds of material, the machine comprising: a receiving element for the material (5); at least one shaft (2) positioned in the housing (1) and provided with grinding tools (3); rigid cutting tools (4) which are arranged in the housing (1) and against which the grinding tools (3) operate, grinding the material (5) with specifically low forces. To this end, the grinding tools (3) comprise cutting regions (3.1, 3.2) within which an inner cutting region (3.1) can take a large amount of material (5) to be ground and grind the same, thus comprising a small lever arm, and an outer cutting region (3.2) can take a smaller amount of material (5) to be ground and grind the same, thus comprising a large lever arm. According to the invention, the rigid cutting tools (4) are provided with teeth (4.2) having profiles (4.3) which cooperate with one of the cutting regions (3.1, 3.2), a first transversal edge (3.4) of the grinding tools (3) being oriented towards a second transversal edge (4.4) of a tooth (4.2) of the rigid cutting tools (4) in such a way that it cuts past the same.
摘要:
The invention relates to a machine for processing residual material, comprising at least one actuator which acts mechanically upon the residual material and at least a portion of the surface of which is movable relative to a corresponding surface of an adjacent component of the machine.
摘要:
The invention relates to a machine for processing residual material, comprising at least one actuator which acts mechanically upon the residual material and at least a portion of the surface of which is movable relative to a corresponding surface of an adjacent component of the machine.
摘要:
A method and an installation for operating a system for comminuting scrap material is provided. The installation includes a supply device (1) for the scrap material to be comminuted, and a comminuting machine (2) with at least one motor-driven (2.3) rotor (2.2) which has comminuting tools (2.2.1) and is horizontally positioned in a housing (2.1) and has an ejection door (2.1.1). The inventive installation also includes drive means for controlling the power and for protecting the installation from scrap material which is difficult to comminute or which cannot be comminuted at all, such as coarse, heavy or hard parts. For optimizing the comminuting process, the values of the motor output, of the rotation speed of the rotor, of the temperature of the motor and the motor bearings and/or of the height of the scrap material flow (3) supplied to the comminuting machine (2), are inputted in a controller (4) and used to control/regulate the scrap material supply. Technical means (4.5, 4.6, 4.7) are provided in the region of the housing (2.1) for ejecting coarse, heavy or hard parts.
摘要:
A device for reducing ventilation loss of a high-speed gear mechanism with a gear housing NS intermeshing gears, which are surrounded by a casing and to which lubricant is supplied in the engagement area for the purpose of reducing friction. The gear mechanism consists, in a known manner, of a gearwheel and a pinion that intermeshes therewith. Utilizing the pressure that is automatically established in the tooth engagement and disengagement area, only the pinion is encapsulated over area of more than 180.degree. of its peripheral distance. The end of the encapsulation in the tooth disengagement area is designed so that there is constant enlargement of the uncovered cross-sectional area between the pinion and the gearwheel. Additionally, and the encapsulation is sealed on both sides relative to the non-toothed shaft area of the pinion.