A shearing device of an extrusion press for cutting off a discard includes a first drive device; a means for converting rotational motion generated by the first drive device to linear motion; a shearing-slide drive frame caused to move linearly by the means for converting rotational motion to linear motion, which shearing-slide drive frame is coupled to a shearing slide to which a shearing blade is fixed; a slide part coupled with the shearing-slide drive frame through a link unit; and a second drive device causing the slide part move linearly to cause the shearing-slide drive frame move linearly, wherein the first drive device and the second drive device are arranged in parallel with the means for converting rotational motion to linear motion.

A shearing device of an extrusion press for cutting off a discard includes a first drive device; a means for converting rotational motion generated by the first drive device to linear motion; a shearing-slide drive frame caused to move linearly by the means for converting rotational motion to linear motion, which shearing-slide drive frame is coupled to a shearing slide to which a shearing blade is fixed; a slide part coupled with the shearing-slide drive frame through a link unit; and a second drive device causing the slide part move linearly to cause the shearing-slide drive frame move linearly, wherein the first drive device and the second drive device are arranged in parallel with the means for converting rotational motion to linear motion.

To provide a plate material cutting device of which thickness can be reduced and made compact. A plate material cutting device includes: a first cutting blade fixed to a housing; a second cutting blade that cuts plate material collaboratively with the first cutting blade; and a drive unit that causes the second cutting blade to reciprocally move with respect to the first cutting blade, wherein the drive unit includes: a shaft that is rotatable on a rotational axis; a first motor connected to one end portion of the shaft; a first mechanism that is capable of causing the second cutting blade to reciprocally move with respect to the first cutting blade in conjunction with rotation of the shaft on the rotational axis; and a second mechanism that is capable of supporting a load onto the shaft at a time of cutting plate material.

To provide a plate material cutting device of which thickness can be reduced and made compact. A plate material cutting device includes: a first cutting blade fixed to a housing; a second cutting blade that cuts plate material collaboratively with the first cutting blade; and a drive unit that causes the second cutting blade to reciprocally move with respect to the first cutting blade, wherein the drive unit includes: a shaft that is rotatable on a rotational axis; a first motor connected to one end portion of the shaft; a first mechanism that is capable of causing the second cutting blade to reciprocally move with respect to the first cutting blade in conjunction with rotation of the shaft on the rotational axis; and a second mechanism that is capable of supporting a load onto the shaft at a time of cutting plate material.

The invention relates to a method for cutting up punching scrap running as waste from a punching device, in particular from a fine blanking press, by means of a waste-cutting device, in particular which is arranged as a progressive tool with respect to the punching device, wherein, by way of the waste-cutting device, the punching scrap is completely cut through perpendicularly to the running direction thereof at a cutting edge by a cutting knife and in this way punching-scrap portions are formed, wherein, together with the stroke of the cutting knife, at least one scrap web of the punching scrap that is spaced apart from the punching-scrap boundaries is cut through by at least one punch which is spaced apart from the cutting knife, preferably by at least two punches, in particular so that each punching-scrap portion is subdivided into at least two punching-scrap sub-portions. The invention also relates to a waste-cutting device of a punching device, comprising a cutting knife and a cutting edge, wherein, by way of the interaction of cutting knife and cutting edge during a stroke of the cutting knife, punching scrap which can be passed through between cutting knife and cutting edge in a running direction can be completely cut through perpendicularly to the running direction, in which, spaced apart from the cutting knife, provision is made of at least one punch which is arranged in a locationally fixed manner with respect to the cutting knife and which can be moved together with the cutting knife, in particular by way of which at least one scrap web of the punching scrap can be cut through in the punching scrap.

A table shear may include a clamp and a shearing mechanism, the shearing mechanism supported by the clamp. The shearing mechanism may include a fixed lower shear blade, a lower shear blade backup plate supporting the fixed lower shear blade, a moveable upper shear blade and a shear compression cylinder. The shear compression cylinder abuts the movable upper shear blade.

A table shear may include a clamp and a shearing mechanism, the shearing mechanism supported by the clamp. The shearing mechanism may include a fixed lower shear blade, a lower shear blade backup plate supporting the fixed lower shear blade, a moveable upper shear blade and a shear compression cylinder. The shear compression cylinder abuts the movable upper shear blade.

A ring removal apparatus configured to remove a ring from a finger utilizing a first technique or a second technique. The first technique employs cutting the ring while the second technique utilizes elements to distort the shape of the ring achieve removal. The ring removal apparatus includes a cutting assembly wherein the cutting assembly has a void centrally located therein and an opening thereto. The void has a first blade member and a second blade member on opposing sides thereof. The first blade member includes a ring protrusion member operably secured thereto and in axial alignment with the first blade member. The second blade member is movable in a forwards-backwards motion and is moved via a hydraulic assembly. The hydraulic assembly includes a conventional hydraulic cylinder that is operated via an operational lever so as to provide the movement of the second blade member.

A ring removal apparatus configured to remove a ring from a finger utilizing a first technique or a second technique. The first technique employs cutting the ring while the second technique utilizes elements to distort the shape of the ring achieve removal. The ring removal apparatus includes a cutting assembly wherein the cutting assembly has a void centrally located therein and an opening thereto. The void has a first blade member and a second blade member on opposing sides thereof. The first blade member includes a ring protrusion member operably secured thereto and in axial alignment with the first blade member. The second blade member is movable in a forwards-backwards motion and is moved via a hydraulic assembly. The hydraulic assembly includes a conventional hydraulic cylinder that is operated via an operational lever so as to provide the movement of the second blade member.

Embodiments of the invention provide a ram guide for a crimping tool. The crimping tool includes a crimping head and a ram head. The ram guide includes a track and slot. The ram guide is configured to guide the ram head within a crimp portion of the crimping head to axially align the ram head with the crimping head.