Abstract: A gyratory or cone crusher includes a measuring apparatus suitable for measuring load of the crusher, a first element placed on a main shaft of the crusher and a first detector suitable for detecting the first element which first detector provides a trigger starting a measurement revolution, and at least one second element placed on a drive shaft of the crusher and a second detector suitable for detecting the second element and providing a trigger corresponding to a certain rotational position of an inner blade of the crusher. The system includes an output to a screen for presenting the loads or averages of the loads corresponding to rotational positions of the inner blade of the crusher. Detections of the monitoring system can be used for controlling and monitoring a crushing event, such as by changing an area or a location of a feed opening of the crusher.

Abstract: This invention relates to a top wear plate for the rotor of a rock crusher, wherein the rotor includes a rotator body, the rotator body having an upper surface, the top plate characterized in that it includes a lip positioned about and descending vertically from the underside of the outer circumference of the lip wear plate, the lip including a protrusion to engage with a complementary recess on the top surface of the rotor body

Abstract: A wear part for a jaw crusher comprises at a first side a wear surface to be directed to a crushing chamber of the crusher; and at an opposite second side a first counter surface which is fixable against a fixed or movable jaw of the crusher in a detach-able manner. The wear part comprises second counter surfaces inclined in opposite directions, for holding the wear part in place vertically and in a centering way in side direction relative to the jaw. A jaw crusher, a mineral material processing plant and a method for fixing a wear part to a jaw of a jaw crusher in a detachable manner. A wedge tightening coming from three directions is locking the wear part in a centering way in place relative to any possible transfer direction.

Abstract: The fastening of a mantel to a head of a cone crusher with a fastening device. A first part of the fastening device is fastened to the head of the cone crusher. A second part of the fastening device is situated against the mantel and the second part is forced towards the first part with a tightening means.

Abstract: A jaw crusher including a body, a fixed jaw, a shaft which is arranged horizontally and in direction of a crushing surface of the fixed jaw, and a pitman which is eccentrically movable in relation to the shaft, wherein an electric motor is arranged between the pitman and the shaft. A mineral material processing plant. A method for driving a jaw crusher including a body, a fixed jaw, a shaft which is arranged horizontally and in direction of a crushing surface of the fixed jaw, and a pitman which is forming a crushing chamber with the fixed jaw, the method including moving the shaft eccentrically in relation to the pitman, the method further including the steps of arranging an electric motor between the pitman and the shaft and rotating the shaft by the electric motor.

Abstract: A mineral material crusher and method of operating a mineral material crusher that includes: a body, a rotating crusher element, a drive shaft arrangement that supports the rotating crusher element to the body and to rotate the rotating crusher element, and a motor including a rotor for driving the drive shaft arrangement. The motor is formed inside the rotating crusher element and the drive shaft arrangement is configured to form of the rotor a rotating axle that is rigidly coupled with the rotating crusher element and capable of leading torque from the rotor to the rotating crusher element for rotating the crusher element around the drive shaft.

Abstract: A method for controlling the crusher, which crusher includes at least a frame, a crushing means with a cycle, as well as an actuator for moving the crushing means. In the method, at least first data is determined, which is at least one of the following: the power input in the actuator, the crushing force, the particle distribution of the crushed material produced by the crusher, or the quantity of crushed material produced by the crusher. The cycle frequency of the crushing means is controlled on the basis of the first data. The invention also relates to a crusher, in which the cycle frequency of the crushing means is adjusted according to control data from the control unit.

Abstract: A material processing plant comprising a frame and a body of a material processing apparatus connected to the frame and a feeder, and first joining means having a first support arm having a first pivot point and a second pivot point at a first distance from each other. The first pivot point is connected to a first end of the feeder and the second pivot point is connected to the frame of the processing plant for moving the first end of the feeder. The processing plant includes second joining means having a second support arm having a third pivot point and a fourth pivot point a second distance from each other. The third pivot point is connected to a second end of the feeder. The fourth pivot point is connected to the body of the processing apparatus. An actuator moves the feeder between a first position and a second position.

Abstract: A front end of a frame of a jaw crusher comprises a curved front wall for receiving crushing force. The front end comprises an inner rib structure formed to the curved front wall. A jaw crusher and a crushing plant.

Abstract: A mineral material processing plant includes a frame having two or more upper support surfaces and a jaw crusher including a crusher body having at least two bottom support surfaces at a distance from each other. The processing plant further includes at least one damper to be arranged in between the bottom and upper support surfaces which damper includes a first counter surface for the bottom support surface and a second counter surface for the upper support surface and an elastic material layer between the counter surfaces and preferably a slide joint between the first counter surface and the bottom or upper support surface. A method for damping a jaw crusher in a mineral material processing plant is also disclosed.

Abstract: A method, a system and a crushing plant for controlling a crushing process, which crushing plant includes a feeder for feeding material to be crushed to a crusher, a first crusher for crushing the fed material, a second crusher for crushing the crushed material and a conveyor for conveying the crushed material from said first crusher to said second crusher. A crushing plant includes measurement means for measuring the volume flow of the crushed material and control means for controlling the feeding speed of the material to be crushed responsive to change in the volume flow of the crushed material.

Abstract: A pitman of a jaw crusher has an upper part, which includes an upper supporting point for supporting the pitman in the body of the jaw crusher, and a lower part having a lower supporting point for supporting the pitman in the body of the jaw crusher through a toggle plate. The lower part of the pitman includes sidewalls and honeycomb structure open to the crushing direction, which structure has one or more cross-sectional supports reaching from the first sidewall of the pitman to the second sidewall.

Abstract: A screen module for mineral material includes support structures such as cross beams or longitudinal beams for fixing the screen module to a body of a mineral material processing apparatus, and for fixing an upper screening means above the support structures, and lower longitudinal supports which are fixed below the support structures for supporting a lower screening means below the lower longitudinal supports. A processing apparatus and a processing plant.

Abstract: A movable processing apparatus for mineral material processing comprises a movable frame and a side conveyor which is attached to the frame, and a pivot joint for the side conveyor which pivot joint is attached between the side conveyor and the frame, and the side conveyor is pivotable horizontally around the pivot joint to one or more operating positions at least on one side of the processing apparatus and to a transportation position.

Abstract: A cone crusher having a frame, an outer blade adapted to be locked to the frame, an inner blade eccentrically and vertically movable relative to the outer blade, and the inner blade and the outer blade define there between a crushing chamber, a main shaft which is stationary relative to the frame, an eccentric bearing-mounted on the main shaft, a support cone on which the inner blade is arranged, and an adjustment shaft by means of which the support cone is vertically movable from below. A hollow space is arranged inside the main shaft, the adjustment shaft is arranged to the hollow space, a load cylinder is arranged to a lower end of the main shaft which load cylinder comprises an adjustment piston acting to a lower end of the adjustment shaft, a pressure medium supply is arranged to a pressure volume under the adjustment piston for moving vertically the adjustment shaft, and a lubricant supply is arranged above the adjustment piston for directing lubricant via the hollow space to targets to be lubricated.

Abstract: A movable processing apparatus for mineral material processing and a frame for the processing apparatus which apparatus comprises a movable frame which frame comprises a support part for supporting, the frame against the ground and a rear part which is attached to the support part for receiving mineral material and a neck part which comprises a curved bottom surface, and the support part and the rear part are attached to each other through the neck part, The frame further comprises a centre part, above the support part, which centre part is attached to the support part, and a curved nape part which comprises a curved upper surface and through which nape part the centre part and the rear part are attached to each other, and that the upper surface and the bottom surface are curved in opposite directions.

Abstract: An adjusting apparatus of a feed opening of a crushing chamber of a crusher includes one or more adjusting parts arranged in connection with the feed opening, which one or more adjusting parts is/are movable during crushing for adjusting a flow area of material which is to be crushed and is flowing through the feed opening to the crushing chamber. The front edges of the adjusting parts form a unitary flow opening, the flow area of which is adjustable by moving one or more adjusting parts. An adjusting system includes the adjusting apparatus for a feed opening of a crushing chamber of a crusher. A method for adjusting a pressing crusher or a crushing plant suitable for mineral material crushing. A method for avoiding a start peak of a crusher. A method for limiting power intake and/or crushing pressure of a crusher.

Abstract: A method for mounting a jaw die plate of a jaw crusher detachably against a front end wall of the crusher by means of a fastening device operated from outside a side wall of the crusher. The die plate is secured in its place by means of friction between the fastening device and a counter surface of the front end wall and friction between the fastening device and a counter surface of the die plate. The fastening device of the jaw crusher includes a wedge piece having a first pressing surface to be fitted against the counter surface of the die plate secured against the front end of the crusher, and, in addition to that, a second pressing surface to be fitted against the counter surface of the front end wall. The wedge piece is movable towards both counter surfaces and away from the same by means of the tightening means.

Abstract: A method and an arrangement for manufacturing a component with hot isostatic pressing occurring in solid form, the component comprising a shape opening onto the outer surface. The method comprises forming a sheet metal capsule for metallic powder, and manufacturing a core by arranging around a core centre made of a first material, a form layer made of a second material, the shape of the outer surface of the form layer corresponding to the shape of the outer surface of the opening shape of the component. The core is placed in a spot, where the shape opening onto the outer surface is to be formed, and metallic powder is arranged in the sheet metal capsule, which forms the body part of the component to be manufactured. Cladding material is arranged between the outer surface of the core and the metallic powder, and hot isostatic pressing is performed to simultaneously compact the metal powder and the cladding material.

Abstract: A material processing plant comprising a frame and a body of a material processing apparatus connected to the frame and a feeder, and first joining means having a first support arm having a first pivot point and a second pivot point at a first distance from each other. The first pivot point is connected to a first end of the feeder and the second pivot point is connected to the frame of the processing plant for moving the first end of the feeder. The processing plant includes second joining means having a second support arm having a third pivot point and a fourth pivot point a second distance from each other. The third pivot point is connected to a second end of the feeder. The fourth pivot point is connected to the body of the processing apparatus. An actuator moves the feeder between a first position and a second position.