Various embodiments of a hammermill system, hammer, and methods are disclosed. A hammermill hammer comprises a metal composite comprising a plurality of inserts and a body portion disposed between each of the plurality of inserts. The composition of the plurality of inserts is different than composition of the body portion. The material of the plurality of inserts has a greater abrasion resistance than the material of the body portion and the material of the body portion has a greater impact resistance than the material of the inserts. The hammers produced have improved wear resistance and longer useful life compared to conventional hammermill hammers.

Various embodiments of a hammermill system, hammer, and methods are disclosed. A hammermill hammer comprises a metal composite comprising a plurality of inserts and a body portion disposed between each of the plurality of inserts. The composition of the plurality of inserts is different than composition of the body portion. The material of the plurality of inserts has a greater abrasion resistance than the material of the body portion and the material of the body portion has a greater impact resistance than the material of the inserts. The hammers produced have improved wear resistance and longer useful life compared to conventional hammermill hammers.

An autogenous impact mill (10) is operative to size reduce friable material particles processed through operation of the mill. At least one impeller (58) rotatable within an interior area (44) of a housing (12) of the mill is operative to produce one or more air jets. The air jets are operative to suspend material particles using the Coanda Effect. Other particles moved by the air jets bounce off ricochet bars (74) and impact suspended particles so as to break and reduce the particles to a suitable size to pass through a screen (110) to an outlet opening (42).

The present disclosure relates to a vertical shaft impact crusher comprising a rotor having a rotor protection layer which consists of particles of objects to be crushed. The rotor includes at least: a rotor upper plate comprising a rotor upper plate hole, which is an inlet for the object for crushing which is inserted into the rotor; a rotor lower plate disposed to be separated from the lower portion of the rotor upper plate; a rotor upper plate; a rotor side wall disposed between the rotor upper plate and the rotor lower plate and coupled to the rotor upper plate and the rotor lower plate, the rotor side wall being disposed at a position spaced from the rotation center of the rotor; and a circular hole which is formed on the rotor side wall and is an outlet for the object for crushing accelerated by the rotor to come out of the rotor.

The present invention relates to a striking tool (1, 1′, 1″) for crushing metal objects or stone materials, wherein the striking tool (1, 1′, 1″) is manufactured from an iron-based material and comprises a bearing section (3, 3′, 3″), into which a bearing opening (4, 4′, 4″) is formed for the freely swinging mounting of the striking tool (1, 1′, 1″) around a pivot axis and comprises a striking section (2, 2′, 2″) which during use is exposed to a striking load by contact with the material to be crushed, and a rotor equipped therewith for a machine to crush metal objects or stone materials. The striking tool (1, 1′, 1″) improves with simple means the ability of its bearing section to absorb the dynamic loads acting on the striking tool during use. Moreover, the rotor according to the invention enables, using simple means, an optimally long useful life of the striking tools mounted on it in a swinging manner. This is achieved in that in the new state of the striking tool (1, 1′, 1″) the bearing opening (4, 4′, 4″) has a support section (7, 7′, 7″), on whose inner circumferential surface (8, 8′, 8″) the striking tool (1, 1′, 1″) is mounted for its swing movement around the pivot axis and has an extension section (9, 9′, 9″), which is connected to the support section (7, 7′, 7″) and by means of which the bearing opening (4, 4′, 4″) is extended in the direction of the striking section (2,2′,2″) with respect to the support section (7, 7′, 7″).

The present invention relates to a striking tool (1, 1′, 1″) for crushing metal objects or stone materials, wherein the striking tool (1, 1′, 1″) is manufactured from an iron-based material and comprises a bearing section (3, 3′, 3″), into which a bearing opening (4, 4′, 4″) is formed for the freely swinging mounting of the striking tool (1, 1′, 1″) around a pivot axis and comprises a striking section (2, 2′, 2″) which during use is exposed to a striking load by contact with the material to be crushed, and a rotor equipped therewith for a machine to crush metal objects or stone materials. The striking tool (1, 1′, 1″) improves with simple means the ability of its bearing section to absorb the dynamic loads acting on the striking tool during use. Moreover, the rotor according to the invention enables, using simple means, an optimally long useful life of the striking tools mounted on it in a swinging manner. This is achieved in that in the new state of the striking tool (1, 1′, 1″) the bearing opening (4, 4′, 4″) has a support section (7, 7′, 7″), on whose inner circumferential surface (8, 8′, 8″) the striking tool (1, 1′, 1″) is mounted for its swing movement around the pivot axis and has an extension section (9, 9′, 9″), which is connected to the support section (7, 7′, 7″) and by means of which the bearing opening (4, 4′, 4″) is extended in the direction of the striking section (2,2′,2″) with respect to the support section (7, 7′, 7″).

Methods for manufacturing improved free-swinging hammermill hammer configurations are disclosed and described and include hammers of a lightweight and efficient design. The improved hammers can be arranged in clusters. The free-swinging hammermill hammer configurations are for comminution of materials such as grain and refuse. The hammer configurations of the present disclosure are adaptable to most hammer mill or grinders having free-swinging systems. The improved configurations improve installing, removing, and cleaning hammer components within the hammermill. Additionally, the hammer configurations of the present disclosure improve the overall efficiency of the hammermill during operation.

Methods for manufacturing improved free-swinging hammermill hammer configurations are disclosed and described and include hammers of a lightweight and efficient design. The improved hammers can be arranged in clusters. The free-swinging hammermill hammer configurations are for comminution of materials such as grain and refuse. The hammer configurations of the present disclosure are adaptable to most hammer mill or grinders having free-swinging systems. The improved configurations improve installing, removing, and cleaning hammer components within the hammermill. Additionally, the hammer configurations of the present disclosure improve the overall efficiency of the hammermill during operation.

An impact crusher for grinding and separating solid material has a base and a rotor on the base having an upright shaft defining an upright rotor axis about which the rotor is rotatable and a plurality of vertically spaced and radially horizontally outwardly extending plates each having an outer periphery. A drum fixed on the base spacedly surrounds the rotor. An array of axially extending and angularly substantially equispaced replaceable ribs is provided on an inner surface of the drum. A respective plurality of impact hammers are angularly substantially equispaced around the outer periphery of each of the disks. Respective mounting pivots support the hammers on the outer peripheries of the plates for pivoting about respective hammer axes parallel to the rotor axis so that rotation of the rotor grinds material between the hammers and the ribs. Formations between the mounting pivots and the respective disks enable radial adjustment and fixing of the hammer axes relative to the rotor axis.

An impact crusher for grinding and separating solid material has a base and a rotor on the base having an upright shaft defining an upright rotor axis about which the rotor is rotatable and a plurality of vertically spaced and radially horizontally outwardly extending plates each having an outer periphery. A drum fixed on the base spacedly surrounds the rotor. An array of axially extending and angularly substantially equispaced replaceable ribs is provided on an inner surface of the drum. A respective plurality of impact hammers are angularly substantially equispaced around the outer periphery of each of the disks. Respective mounting pivots support the hammers on the outer peripheries of the plates for pivoting about respective hammer axes parallel to the rotor axis so that rotation of the rotor grinds material between the hammers and the ribs. Formations between the mounting pivots and the respective disks enable radial adjustment and fixing of the hammer axes relative to the rotor axis.