Abstract: Methods of separating discrete articles from continuous webs are disclosed. The methods use a separation assembly. The present disclosure further includes a cutting assembly and a pair of cutting rolls for use in the separation assembly.

Abstract: A perforating apparatus has a base having at least one counter component. The counter component has a length, LCC, and a nonlinear shape having a shape width, W. A support is operatively engaged with the base. A blade having a length, LB, is disposed on the support so as to cooperate in interacting relationship with the counter component. The blade has a plurality of teeth. A web material is perforated as it passes between the base and the support and the blade cooperates with the counter component. A driving means is associated with one of the support and the base to reciprocally shift the one of the support or the base for a distance, D, in a shifting direction. The distance, D, is at least the translational distance that one tooth travels to cover the shape width, W.

Abstract: A portable crafting tool, which may be readily transported from one location to another and placed on a tabletop or another suitable surface for use, and which includes rollers for applying pressure to a craft assembly, is disclosed. The craft assembly may include a platform with a tool, such as a cutting die, an embossing tool and/or a letterpress tool, a sheet of a medium (e.g., paper, vellum, acetate, foil, etc.) that is to be modified (as pressure is applied to the craft assembly) and a mat or a cover for positioning over the sheet of medium and the tool. The portable crafting tool may include a gap spacer, which adjusts a distance that the rollers are spaced apart from one another. The portable crafting tool may be configured for selective operation with a manually operated handle or with a motor that may be used in place of the handle. The portable crafting tool may be configured to engage a surface when it is deployed on the surface.

Abstract: An adjustment mechanism for an anvil roll has a body with first and second ends and a hollow interior. A bore extends from the first end into the hollow interior. The body is mountable to an axial end of the anvil roll at the first end. The hollow interior has first and second adjustment drives. The first adjustment drive extends from the second end of the body into the hollow interior and comprises a gear train with drive gears extending between a first adjustment operator and a first shaft extending from the body hollow interior through the bore of the body to the first end of the body. The second adjustment drive comprises a gear train with drive gears extending between a second adjustment operator and a second shaft extending from the hollow interior through the bore of the body to the first end of the body.

Abstract: The disclosure concerns a rotary cutting apparatus having a frame and a die roll defining a first longitudinal axis and having a cutting member. The die roll is rotatably connected with the frame and configured to rotate about the first longitudinal axis. The rotary cutting apparatus further has a bearer ring connected with the die roll and an anvil roll defining a second longitudinal axis and having an outer radial surface. The anvil roll is rotatably connected with the frame and is configured to rotate about the second longitudinal axis. The bearer ring of the die roll is in contact with the outer radial surface. The anvil roll may be supported by at least one cam follower. The anvil roll may be axially removable from the frame via lateral translation along the second longitudinal axis.

Abstract: Each pair of bearing units for each of magnet and anvil rollers are movable in a vertical direction. Each of large diameter portions of the anvil roller is supported by a pair of support rollers. Each of large diameter portions of the magnet roller is pressed against the corresponding large diameter portion of the anvil roller by a pair of press rollers. Each stopper is moved between a first position in which it projects into a clearance between vertically opposed bearing units and a second position in which it retracts from the first position. When the stoppers are located at the first position, the opposed large diameter portions of the magnet and anvil rollers separate from each other, and when the stoppers are located at the second position, the opposed large diameter portions of the magnet and anvil rollers contact with each other.

Abstract: A rotary die cutting system includes a die cutting roll having at least one blade thereon for cutting a web, and an indicator on the surface of the die cutting roll indicating the position of the at least one blade. An anvil roll, spaced from the die cutting roll defines a web path therebeween. A drive mechanism drives the die cutting roll. A first sensor senses the indicator on the surface of the die cutting roll, and a control, responsive to the first sensor, operates the drive mechanism to adjust the rotational position of the die cutting roll to align the die cutting roll relative to the web passing through the web path.

Abstract: A high-speed shear for transversely cutting rolled strip with knife carriers which can be driven for rotation and are arranged in pairs opposite each other. The knife carriers are supported on shafts of gear wheels arranged at a fixed axial spacing in pairs opposite each other in a shear cassette. The shear cassette is mounted within an outer frame and the shear cassette is provided with a lifting device for raising or lowering the shear cassette within the outer frame. In a method for operating the shear, the two knife carriers are moved into a horizontal position for allowing the strip end to enter or travel through, and the shear cassette is moved within the outer frame into a raised transfer position.

Abstract: A cutting unit includes a stationary frame, a cutting drum, and an anvil drum. The cutting drum and the anvil drum are arranged one over the other for cutting web material fed therebetween. The upper drum is centred on a rotatable arbour and rotatably supported in the stationary frame. The lower drum is rotatable and movable towards and away from the upper drum. A rotatable carrier, movable towards and away from the upper drum, includes at least two contact rollers. The lower drum is shaftless and rests on the contact rollers. At least one contact roller is situated on either side of a central vertical plane of the lower drum for providing support of the lower drum by the contact rollers only. A pressing device moves the carrier and the lower drum towards and against the upper drum for providing cutting pressure between the upper drum and the lower drum.

Abstract: A die-cutting device for die-cutting labels includes a die-cutting cylinder and a counterpressure cylinder. A distance between the die-cutting cylinder and the counterpressure cylinder is adjustable. Accordingly, the die-cutting cylinder is locked in position by a locking force and the counterpressure cylinder is displaceably supported by a guide. The locking force and the guide generally form a right angle. A narrow-web printing press includes such a die-cutting device.

Abstract: A rotary installation comprises a frame, a pair of rollers that define a pinch, a mount supporting the rollers on the frame, an adjuster for moving the mount and the rollers with respect to the frame as well as a drive for making the rollers rotate. The frame has an essentially flat shape determined by two main faces facing away from one another, on one of which main faces the rollers and mount are located.

Abstract: A rotary working apparatus provided with a working unit and an actuator, wherein the working unit is provided with a unit frame and a cutter roll and anvil roll supported by the unit frame so as to be rotatable about mutually parallel axes of rotation, the anvil roll being further supported by the unit frame in a movable manner. The actuator is provided at the outside of the working unit and is provided with advanceable/retractable rods for making the anvil roll move to press the anvil roll against the cutter roll. A workpiece fed between the cutter roll and the anvil roll is worked by the rotating cutter roll and/or anvil roll.

Abstract: Rotary cutting apparatus has a frame, a first rotary device and a second rotary device. Each of the first and second rotary devices has a shaft concentrically arranged about a rotational axis and a drum and are arranged in the frame in such a way that said first and second axes are substantially horizontal and substantially in the same vertical plane. A pair of bearing housings is arranged on either side of each of the drums. A first pair of bearing housings is movable relative to the frame in a transverse direction to the first rotational axis by means of a force means. Means is provided for passive vibration attenuation of at least the first shaft, the means being able to reduce vibrations due to impacts of the first drum in relation to the second drum.

Abstract: Rotary cutting apparatus has a frame, a first rotary device and a second rotary device. Each of the first and second rotary devices has a shaft concentrically arranged about a rotational axis and a drum and are arranged in the frame in such a way that said first and second axes are substantially horizontal and substantially in the same vertical plane. A pair of bearing housings is arranged on either side of each of the drums. A first pair of bearing housings is movable relative to the frame in a transverse direction to the first rotational axis by means of a force means. Means is provided for passive vibration attenuation of at least the first shaft that includes a mass damper having a housing and a damping body movably arranged inside the housing, wherein the mass damper is associated with the first pair of bearing housings.

Abstract: The invention relates to a rotary cutting device comprising a rotatable cutting tool and a rotatable anvil roller incorporating a cutting support, wherein a cutting edge, which co-operates with the cutting support, is arranged on the cutting tool for cutting a web of material, and wherein at least one support ring with a support surface is mounted on the cutting tool for supporting the cutting tool relative to the anvil roller.

Abstract: An apparatus for cutting tubular members includes a support structure, a control system, a cutting station, a guide and an extracting assembly. The cutting station includes a first wheel having at least one cutting member located on the circumference of the first wheel and a second wheel having at least one projection located on the circumference of the second wheel. The extracting assembly has a cylindrical member with a first end and a second end. The cylindrical member also includes a pair of grooves extending along a portion of the interior thereof. The grooves decrease in height and depth from the first interior section to the third interior section.

Abstract: A rotary cutting unit includes a rotary cutter overlying a rotatable anvil. The anvil includes an axle, at least one anvil portion adapted to co-operate with a knife member of a rotary cutter, and a pair of load transmitting portions adapted to abut a pair of abutment members of the rotary cutter. The pair of load transmitting portions are arranged on each side of the anvil portion. A load receiving member is provided between each load transmitting portion and the anvil portion. Each of the load receiving members is connected to the axle via a bearing. Fluid cylinders apply upward forces to the load receiving members, wherein the total upward force exceeds the weight of the anvil.

Abstract: The invention relates to a strip-cutting system intended for the individual cutting of strips used during application processes, comprising at least one individual cutting element having a spherical general supporting body (2) into which there is introduced a part (4) in the shape of a spherical sector, the outer curve of which matches the outer surface of the general supporting body (2). The aforementioned part (4) has a blade (3) with an arched cutting edge, which projects outwards slightly, such that by means of rotating the part (4), the blade (3) can be oriented in order to make cuts at any angle against a concave roller dolly (9), with cuts being made by rotating the general supporting body (2).

Abstract: A rotary cutting apparatus includes a cutter drum having at least one cutting member and an anvil drum having a rotary axis, arranged in a cutting relationship to one another, and a pressure actuating device for subjecting pressure on said cutting member in relation to the anvil drum. The pressure actuating device includes a pair of levers rotatable about at least one hinge having a horizontal axis. The horizontal axis is parallel to but non-concentric with the rotary axis. In addition, a frame supports the cutter drum and the anvil drum in a rotatable relationship. The pair of levers are releasably connected to the bearing housing, respectively, in such a way that the anvil drum is allowed to be removed from the frame.

Abstract: A cutter is provided to cut scrap wire into pieces. The cutter includes a base with a fixed shaft and a floating shaft parallel to the fixed shaft, a resilient connection device supporting the floating shaft, a master gear rotatably mounted on the fixed shaft, and a slave gear rotatably mounted on the floating shaft and engaging the master gear. Teeth of the master gear are pointed and an angle of the teeth of the master gear is less than 60°. A force provided by the resilient connection device is parallel to the center lines of the master gear and the slave gear, and when scrap wire is fed into the cutter, the master gear and the slave gear collectively cut the scrap wire into pieces.

Abstract: A folder for a web printing press includes a first cutting and nipping device for partially cutting a web so as to form first cuts in the web and for nipping the web. A second cutting and nipping device cuts the web between the first cuts so as to form signatures, the web being nipped at a nip of the second cutting device. Also disclosed is a method for cutting a web which comprises the steps of partially cutting the web so as to form first cuts in the web while web is nipped; and cutting the web between the first cuts of the web while the web is nipped.

Abstract: A rotary die cutter includes a plate cylinder and two bearer members provided at two opposite ends of the plate cylinder. The plate cylinder has a receiving cavity therein and a plurality of annular knife blades formed on an outer cylindrical surface thereof. A plurality of intake ports is defined in the plate cylinder. Each intake port is surrounded by a corresponding knife blade and in communication with the cavity in the plate cylinder. The plate cylinder defines a discharging hole in a periphery wall thereof and in communication with the cavity.

Abstract: A cutting device 100 feed a web 200 between a die roll 10 and an anvil roll 20, and cut a continuous portion 210 of the web 200. The cutting device 100 includes a continuous portion transport unit 30 configured to hold and transport the continuous portion 210 of the web being continuous in a moving direction of the web, and a discontinuous portion transport unit 40 configured to hold and transport a discontinuous portion of the web being discontinuous in the moving direction of the web. The die roll 10 includes a first large diameter portion 12 whose outer peripheral surface is provided with a cutting blade 15 configured to cut a continuous portion 210 of the web. The anvil roll 20 includes a second large diameter portion 22 disposed to face the first large diameter portion 12. By the discontinuous portion transport unit 40, the discontinuous portion 220 passes through between the die roll 10 and the anvil roll 20 without contacting the first large diameter portion 12 and the second large diameter portion 22.

Abstract: A rotary cutting device is provided comprising a rotatably mounted cutting roller and an anvil roller. At least one support ring is provided for supporting the cuffing roller on the anvil roller. A lifting device is provided for moving the cutting roller and the anvil roller apart.

Abstract: Disclosed is a rotary cutter including a first roll and a second roll. With contact peripheries of the first roll being pressed against contact peripheries of the second roll, the first roll and the second roll are driven to rotate in synchronism with each other so that a first cutting blade is opposed to a second abutment at a distance apart and a second cutting blade is opposed to a first abutment at a distance apart. When fed between the first roll and the second roll, a workpiece is cut only halfway through the thickness from both sides thereof.

Abstract: Disclosed is a rotary cutter including a first roll and a second roll. With contact peripheries of the first roll being pressed against contact peripheries of the second roll, the first roll and the second roll are driven to rotate in synchronism with each other so that a first cutting blade is opposed to a second abutment at a distance apart and a second cutting blade is opposed to a first abutment at a distance apart. When fed between the first roll and the second roll, a workpiece is cut only halfway through the thickness from both sides thereof.

Abstract: Systems and methods for severing elongated material include a rotatable first roll having a first severing structure, a rotatable second roll having a second severing structure corresponding with the first severing structure for severing a length of the filament positioned between the rolls, a drive system operable to independently rotate the first roll and the second roll according to a drive command, a sensor system operable to make measurements and generate actual position signals representative of an actual current rotational position of the first roll and an actual current rotational position of the second roll, and a control system for receiving the position signals and operable to generate the drive command in accordance with predetermined control parameters and based on the actual rotational position signals, wherein the drive command synchronizes the respective rotational positioning of the first roll and the second roll.

Abstract: A rotary mechanism for cutting and/or sealing a web has a pair of counter-rotating rotors mounted on parallel axes and having radially projecting arms between which the web is momentarily gripped for cutting and/or sealing. Sealing is performed by heated pressure outer faces on the rotor arms. Cutting is performed by cutter and anvil bars on the opposed arms engaging the web. Bearer faces on the arms beyond the pressure faces set a gap between the pressure faces and a rectangular-section tongue and groove in mating contact faces one side of the pressure faces locate the pressure faces laterally. The cutting means are adjusted by a wedge bar bearing on the inner face of the cutter bar or anvil. The wedge bar is movable in the direction of rotation and has an outer face inclined in the same direction. Means accessible from the leading and/or trailing faces of the rotor arms are provided for adjusting the wedge bar and clamping the cutter and anvil bars.

Abstract: A high-speed shear for transversely cutting rolled strip with knife carriers which can be driven for rotation and are arranged in pairs opposite each other. The knife carriers are supported on shafts of gear wheels arranged at a fixed axial spacing in pairs opposite each other in a shear cassette. The shear cassette is mounted within an outer frame and the shear cassette is provided with a lifting device for raising or lowering the shear cassette within the outer frame. In a method for operating the shear, the two knife carriers are moved into a horizontal position for allowing the strip end to enter or travel through, and the shear cassette is moved within the outer frame into a raised transfer position.

Abstract: A high-speed shear for transversely cutting a rolled ship having a small thickness and including at least one blade provided on one of two oppositely located drums, and a controllable device for displacing the two drums between a cutting position, in which the strip is cut, and an open run-through position in which the strip can be freely advanced between the two drums, with the two drums being synchronized in their open cutting position by respective tooth elements provided on the two drums and engaging each other, and with the tooth elements being so formed that they insure synchronization in the open position of the drums when they engaged each other with, a large tooth backlash and engaged each other substantially backlash-free in the cutting position of the drums.

Abstract: A perforator device for ribbons of paper in re-reeling machines is applied to a re-reeling machine (10) which mounts a roller (11) that turns and carries a plurality of smooth perforating blades (13) mounted on helical seats, and a counter-roller (12) which carries at least one toothed counterblade (14), where on the rotating roller (11) there act means for causing its translation with respect to its own fixed supports (17, 18) and elastic means for its return into position.

Abstract: A cutting machine includes an anvil roller rotatable on a machine frame about an axis of rotation. The anvil roller has an anvil surface. A cutting tool is mounted on the machine frame for rotation about an axis of rotation, with a cutter interacting with the anvil surface and with supporting rings which are held on the cutting tool and support it relative to the anvil roller with their supporting ring surfaces and/or vice versa. The quality of the cutting effect can be maintained even when the cutter becomes worn, by enabling the diameter of the supporting ring surface of each supporting ring to be adjustable by radial expansion and contraction.

Abstract: This invention relates to a rotary apparatus and related methods for pressing or cutting articles. More specifically, this invention relates to a rotary pressing assembly configured to reduce the stress upon the pressing member when performing a pressing operation on articles which have a variation in surface area, density or thickness. Even more specifically, this invention relates to a rotary knife assembly configured to reduce the stress upon the knife blade while cutting a plurality of articles from a sheet or web of material.

Abstract: A flying shear with knife edges mounted on drums arranged opposite each other, wherein the knife edges can be accelerated to the feeding speed of the strip to be cut and the knife edges can be adjusted toward each other for carrying out a cut. The drums can be accelerated at least one drive unit to a circumferential speed which corresponds to the speed of the strip to be cut and a separately controllable adjusting device is provided for at least one of the drums. At least one of the drums is mounted on links which are connected to the adjusting devices; on the other hand, at least one of the drums may be mounted by means of at least one linear guide and the adjusting device acts on the guide members thereof.

Abstract: A die apparatus for supporting and retaining rotary dies in operation having a base, a cover supported by a plurality of columns, a cross member moveable along the columns and modular die supports rollingly engaged with the rotary dies. A method of installing and removing the rotary dies from the apparatus includes moving the dies along a first axis of movement within the apparatus through use of a support strap and moving the dies to and from the apparatus through use of a conveyor.

Abstract: An on-demand exact registration form web perforating apparatus is simple yet effective, and can operate at high speed and has a long life. A form web is moved in a predetermined path past first and second rotatable continuous circumferential perforator wheels mounted on substantially stationary axes and spaced from each other along the predetermined path and in alignment with each other along the path. First and second anvil cylinders are spaced from each other along the path for cooperation with the wheels, each cylinder having an interrupted circumference including a raised portion and a depressed portion, and a movable axis about which the cylinder rotates.

Abstract: A cutting apparatus is disclosed which is particularly suited for use in association with an apparatus for effecting lengthwise slitting of sheet stock, such as sheet metal. In the illustrated embodiment, the cutting apparatus includes first and second cooperating, counter-rotating pairs of knife assemblies, with each of the knife assemblies including at least one knife blade positioned for cutting cooperation with a respective knife blade of the other assembly. In order to facilitate adjustment of the gap or clearance between each cooperating pair of knife blades, the present apparatus includes an adjustment mechanism, whereby one of the knife assemblies can be shifted axially of the other assembly, thereby adjusting the clearance between the knife blades of the assemblies. Efficient adjustment of the cutting apparatus is thus provided, whereby the apparatus can efficiently cut opposite edge, scrap portions of sheet material as the sheet stock is slit by the slitter apparatus.

Abstract: A three hole punch system is for use in an image capturing device. The three hole punch system uses elastomeric rollers that punch holes in the edge of a sheet as it passes between two rollers. If desired, the rollers can act as a transport for the sheet without punching holes in the sheet. After the holes are punched, the resultant slugs are pushed back into the holes and the sheet is retrieved by the operator.

Abstract: Upper and lower rotating drums (13, 14) having shearing blades (13a, 14a) are supported by a bearing frame (12) via eccentric sleeves (15, 16). Only the upper rotating drum (13) is rotated by a drive motor 17, while the eccentric sleeves (15, 16) are rotated by a drive motor 25, so that the rotating drums (13, 14) can be made to approach and separate from each other. Interlocking gears (29, 30) are fixed to shaft end portions of the rotating drums (13, 14) to permit interlocking of the rotating drums (13, 14) when these drums approach. Oldham's couplings (41, 42) are interposed between the interlocking gears (29, 30) and timing gears (33, 34) to rotate the rotating drums (13, 14) constantly and synchronously.

Abstract: A flying shear with knife edges mounted on drums arranged opposite each other, wherein the knife edges can be accelerated to the feeding speed of the strip to be cut and the knife edges can be adjusted toward each other for carrying out a cut. The drums can be accelerated at least one drive unit to a circumferential speed which corresponds to the speed of the strip to be cut and a separately controllable adjusting device is provided for at least one of the drums. At least one of the drums is mounted on links which are connected to the adjusting devices; on the other hand, at least one of the drums may be mounted by means of at least one linear guide and the adjusting device acts on the guide members thereof.

Abstract: In order to so improve a cutting machine comprising a machine frame, an anvil roller rotatable on the machine frame about an axis of rotation and having an anvil surface, a cutting tool mounted on the machine frame for rotation about an axis of rotation, with a cutter interacting with the anvil surface and with supporting rings which are held on the cutting tool and support it relative to the anvil roller with their supporting ring surfaces and/or vice versa, that the quality of the cutting effect can be maintained even when the cutter becomes worn, it is proposed that the diameter of the supporting ring surface of each supporting ring be adjustable by radial stretching of the supporting ring within the range below an elastic expansion limit of its material by means of an expansion device.

Abstract: An automated material jam release system adapted for an impression system is disclosed in which various material presence sensing arrangements transmit “present” or “absent” signals that control automatic release and locking systems to either (a) remain in a first or operating position with a head holding an anvil in a predetermined position adjacent to a frame mounted die holder roller or (b) move to a second or open or jam release position where the anvil is not in an operating relationship to the roller.

Abstract: The invention is an apparatus for cutting metal sheet having two rotatable drums, wherein the metal sheet passes between the drums for cutting. Each of the drums has a cutting blade moved into and out of cutting position by an axial actuator rod. The cutting blade includes two sets of rollers bearing against one of a pair of profiled side surfaces of the axial actuator rod.

Abstract: A high-speed shear for transversely cutting rolled strip with knife carriers which can be driven for rotation and are arranged in pairs opposite each other. The knife carriers are arranged with a fixed distance between each other on both sides of the strip in a common shear cassette. The shear cassette is mounted within an outer frame and the shear cassette is provided with a lifting device for raising or lowering the shear cassette within the outer frame. In a method for operating the shear, the two knife carriers are moved into a horizontal position for allowing the strip end to enter or travel through, and the shear cassette is moved within the outer frame into a raised transfer position.

Abstract: A high speed rotary cutter assembly for transversely cutting a moving web, comprising a cutting roll and an anvil roll rotating at web speed which are selectively movable toward and away from one another to set the rotary cutter assembly in operative and idle modes, respectively. The invention also extends to a web handling device for forming a continuous multi-form web into a stack, comprising a folder assembly laying successive forms of the web in a superposed relationship on a table to form a stack. A temporary stack support assembly is extended along an arcuate descending path between the folder assembly and the table when the stack is completed for temporarily holding the incoming folded product until the completed stack on the table has been ejected.

Abstract: To improve a cutting device comprising a machine frame, a rotatably mounted anvil drum with an anvil surface, a rotatably mounted cutting tool with a cutter cooperating with the anvil surface in such a way that in successive rotary positions, respectively successive cutter sections stand in an operative position with successive anvil surface sections in order to cut a material passing through between the cutting tool and the anvil drum, such that the cutting tool has as long a service life as possible, it is proposed that the cutting tool and the anvil drum be pretensioned, that the cutting tool be supported by at least one supporting ring via successive supporting ring sections on successive supporting surface sections of the anvil drum, that the respectively operative supporting ring section act on the respectively operative supporting surface section with a bearing force corresponding approximately to the difference between pretensioning force and cutting force, and that the supporting ring be of such cons

Abstract: A high-speed shear with a knife, particularly a chisel-type knife with a knife edge, arranged on at least one of two oppositely arranged drums, wherein the knife can be accelerated to the feeding speed of the rolled strip and the drums can be adjusted relative to each other for carrying out a cut. At least one drive unit provided for the drums serves to accelerate the drums to the speed of the rolled strip to be cut and at least one of the drums may be provided with a separately controllable adjusting device. The chisel-type knife of the knife drum is mounted so as to protrude from the cutting circle towards the anvil or the surface portion of the second drum acting as an anvil and to mount the chisel-type knife of the knife drum so as to be resiliently supported against a predetermined restoring force.

Abstract: A method and unit for processing sheet material, whereby the sheet material is processed between two rollers rotating about respective substantially parallel axes and cooperating mutually according to a given law of interaction depending on the spatial relationship of the two rollers; the spatial relationship being adjusted, in use, instant by instant and in accordance with the given law of interaction by adjusting the position of the axes of the two rollers by varying an electromagnetic field acting on an actuating body made of electromagnetically strictive material and interposed between the two rollers.

Abstract: A cutter assembly for severing pieces from a length of material and advanced into proximity thereto includes a driven anvil roll and a driven rotary cutter roll disposed in opposed relation with each whereby the length of material is advanced between the rolls for cutting. The cutter roll carries at least one knife blade on its periphery to cut the material against the anvil roll into predetermined lengths as it is advanced between the rolls. The at least one knife of the cutter roll is mounted at an angle with respect to the longitudinal axis of the cutter roll so as to engage the material in a shearing motion and the cutter roll is attached to the anvil roll and mounted so as to be movable away from the anvil roll against the force of resilient means as the knife contacts the anvil roll during rotation. The degree of such movement may be adjusted by the use of shims removably placed between the resilient means and the mounting point of the cutter roll.

Abstract: A high speed rod trimming shear includes a pair of eccentrically bored sleeves mounted for rotation about parallel first axes. Carrier shafts are supported in the bores of the eccentric sleeves for rotation about second axes parallel to the first axes and located on opposite sides of the rod path. The carrier shafts have blade holders with attached cutting blades. A primary drive rotates the carrier shafts continuously, and an adjustment mechanism rotatably oscillates the eccentric sleeves to adjust the distance between the carrier shafts between a first setting at which the cutting blades rotate out of contact with the rod, and a second setting at which the cutting blades coact during rotation to sever the product.