15results about "Cutting tools" patented technology

The invention relates to the technical field of pulverizer blades, in particular to pulverizer blade forging equipment which comprises a supporting seat, a supporting rod is fixedly connected to the surface of the supporting seat, a top plate is fixedly connected to the top of the supporting rod, a lower die is fixedly connected to the surface of the supporting seat, and a forging hammer is arranged at the top of the lower die. The forging hammer is located at the bottom of the top plate. An impact mechanism, a pushing mechanism and a jacking mechanism are arranged on the surface of the top plate; the impact mechanism comprises a rotating disc and a first connecting plate. A first rotating rod drives a rotating disc to rotate, a first connecting block and a movable rod rotate along with the rotating disc, a first movable groove is formed, the movable rod can drive a first connecting plate to vertically move on the inner side of a top plate, and then lifting of a forging hammer can be achieved; and through the lifting effect of the forging hammer, a workpiece on the lower die can be conveniently impacted, so that the crushing machine blade can be forged.

The invention belongs to the technical field of cutter manufacturing, and particularly relates to a manufacturing device for producing a metal cutter. The material guiding assembly is of an open structure, a blank processing assembly is arranged on the inner wall of the material guiding assembly, a metal tool blank is movably clamped to the blank processing assembly and horizontally arranged, and the output end of a third air cylinder drives a conical pressing head to move downwards. The device is used for carrying out press-fit forming on a cutter blank while moving an incandescent cutter out of a furnace, and the two sets of conical pressing heads can be in rolling fit connection with the two sides of the top of the metal cutter blank in the process of being matched with the metal cutter blank to horizontally move, so that the cutter blank is formed at the top of the pressed metal cutter blank; and the forming efficiency of the blank in the manufacturing process of the metal cutter is improved.

The present invention relates to punched parts, such as sleeve punched parts, a portion of which has an angle, and methods of manufacturing punched parts having a portion of which has an angle using electric spark wire machining (WEDM). A punch for a cold forming process includes a base adapted to serve as a structural backbone of the punch; and a working portion extending from the base portion and performing a punching operation. In addition, a groove and a hexagonal portion are formed in the working portion using an electric discharge machine (EDM). Further, a tapered tip is machined on an end portion of the hexagonal portion, and a die joint surface having an inward taper angle is formed between the hexagonal portion and the tapered tip. In this way, the punched part can be manufactured according to a CAD model and more quickly, thus eliminating the need for too specialized equipment and improving the manufacturing time.

A forged hammer head formed in a forging process comprises a forged hammer face at one end of the head; a forged hammer claw at an end of the head opposite the face; and a forged side nail puller disposed between the face and the claw. A method for forming a hammer head comprises sequentially placing a blank in a series of cooperating forging dies, and sequentially shaping the blank in the forging dies into a hammer head, a hammer claw, a hammer face and a side nail puller disposed between the face and the claw. The side nail puller is configured to engage and pull a nail from a workpiece. The side nail puller comprises a side wall and a notch formed in the side wall. A tool parting line of the forging process does not intersect the notch.

A forged hammer head (14) formed in a forging process comprises a forged hammer face (20) at one end (22) of the head; a forged hammer claw (36) at an end (23) of the head opposite the face; and a forged side nail puller (45) disposed between the face and the claw. A method for forming a hammer head (14) comprises sequentially placing a blank in a series of cooperating forging dies, and sequentially shaping the blank in the forging dies into a hammer head (14) with a hammer claw (36), a hammer face (20) and a side nail puller (45) disposed between the face and the claw. The side nail puller is configured to engage and pull a nail from a workpiece. The side nail puller comprises a side wall (47) and a notch (49) formed in the side wall. A tool parting line (TPL) of the forging process does not intersect the notch.

Provided are a hot forging die that has superior high-temperature compressive strength and can achieve a long die service life, and a method for producing the same. Provided are a hot forging die comprising a casting alloy having a component composition of, in mass%, W: 7.5 to 20.0%, Mo: 0 to 5.0%, Al: 5.0 to 7.5%, Cr: 0.5 to 5.0%, Ta: 1.0 to 12.0%, C: 0.01 to 0.15%, B: 0.03% or less, S: 0.015% or less, 0 to 0.020% in total of one or two or more selected from rare earth elements, Y, Ca, and Mg, 0.5% or less in total of one or two selected from Zr and Hf, Ti: 5.0% or less, Nb: 5.0% or less, and Co: 25.0% or less, and the balance of Ni with inevitable impurities, and having an equivalent circle diameter of a gamma prime phase in a dendrite core of 2.20 µm or less, and a method for producing a hot forging die, which is preferable for the above.

A method for manufacturing a toothed rotary component (10) having a thickened tooth flank, comprising the steps of: a) manufacturing teeth (3) extending along a plane and uniformly distributed around a blank (1) made of sheet metal material, wherein each tooth (3) has lateral tooth flanks (6) spaced apart from one another by notches (4) distributed around the blank (1); b) deforming at least one tooth flank (6) to manufacture at least one lobe (5), wherein at least one lobe protrudes from the plane of the blank (1), is made of the same material, and protrudes diagonally or vertically upward from the plane of the blank (1); and c) deforming the lobe (5) protruding in the direction of the plane of the blank (1) into a thickened portion (9) of the tooth (3) in the area of ​​the original tooth flank (6).

A method for producing a toothed and rotating component (10) with thickened tooth flanks (6, 12), comprising the following steps: a) producing teeth (3) distributed uniformly on the periphery of a blank (1) which extends along one plane and is made from sheet metal material, wherein the individual teeth (3) have lateral tooth flanks (6) which are spaced apart from one another by cut-outs (4) distributed on the periphery of the blank (1); b) deforming at least one tooth flank (6) to produce at least one lobe (5) which projects out of the plane of the blank (1), is made from the same material and projects obliquely or perpendicularly upwards from the plane of the blank (1); c) deforming the projecting lobe (5) in the direction of the plane of the blank (1) to the thickened portion (9) of the teeth (3) in the region of the original tooth flanks (6).

Provided are: a die for hot forging, which has high high-temperature compressive strength and is capable of achieving a long die life; and a method for manufacturing the die. Provided is a hot forging die comprising a casting alloy having the following composition in mass%: 7.5-20.0% of W, 0-5.0% of Mo, 5.0-7.5% of Al, 0.5-5.0% of Cr, 1.0-12.0% of Ta, 0.01-0.15% of C, 0.03% or less of B, 0.015% or less of S, 0-0.020% in total of one or more elements selected from the group consisting of rare earth elements, Y, Ca, and Mg, 0.5% or less in total of one or more elements selected from the group consisting of Zr and Hf, 5.0% or less of Ti, 5.0% or less of Nb, 25.0% or less of Co, and the balance of Ni and unavoidable impurities, the equivalent circle diameter of the gamma'phase in the dendritic crystal trunk is 2.20 [mu] m or less, and a preferred method for manufacturing a hot forging die is also provided.

The utility model belongs to the technical field of hammer forging dies, and particularly relates to a die for producing a high-strength explosion-proof hammer, which comprises a fixed table, a support column is fixedly mounted at the top of the fixed table, a butt joint column is fixedly mounted at the top of the support column, and a connecting plate is slidably mounted on the outer surface of the butt joint column. A lower die is fixedly installed at the top of the fixing table, an upper die is fixedly installed at the bottom of the connecting plate, and a cylindrical hammer groove, a conical hammer groove and a hammer head notch are formed in the top of the lower die and the bottom of the upper die. The cylindrical hammer groove, the conical hammer groove and the hammerhead notch which correspond to each other are formed in the middle of the upper die and the middle of the lower die, so that a worker can place heated hammerhead blanks into the cylindrical hammer groove, the conical hammer groove and the hammerhead notch for forging through a clamp, and hammerheads of different shapes at the two ends of the hammerhead can be forged at a time; the forging time of the hammer head is greatly prolonged, and blank cooling caused by hammer head transferring is avoided.

A forged hammer head (14) formed in a forging process comprises a forged hammer face (20) at one end (22) of the head; a forged hammer claw (36) at an end (23) of the head opposite the face; and a forged side nail puller (45) disposed between the face and the claw. A method for forming a hammer head (14) comprises sequentially placing a blank in a series of cooperating forging dies, and sequentially shaping the blank in the forging dies into a hammer head (14) with a hammer claw (36), a hammer face (20) and a side nail puller (45) disposed between the face and the claw. The side nail puller is configured to engage and pull a nail from a workpiece. The side nail puller comprises a side wall (47) and a notch (49) formed in the side wall. A tool parting line (TPL) of the forging process does not intersect the notch.

The disclosure relates to an aluminium extrusion die including a male bridge part comprising a two or more portholes and at least one mandrel with a mandrel die bearing, and a die plate part with a die plate bearing, and the male bridge part, or the die plate part, or both, is comprised of a die substrate portion obtained by subtractive manufacturing, and a die functional portion obtained by additive manufacturing, wherein the die substrate portion has a surface acting as an attachment surface for the die functional portion, and the die functional portion comprises a die bearing. The disclosure further comprises a method of repairing a damaged aluminium extrusion die including a male bridge part comprising a two or more portholes and at least one mandrel, and a die plate part.

A method for producing a tool for machining a workpiece. A metal tool blank is provided in a laser machining device which structures the tool blank on a tool surface via interference from at least two laser beams. The at least two laser beams have at least temporary pulse durations of at most 15 ps, and via the structuring on the tool surface a tool profile is generated having at least one indentation. A tool structured in this manner, a method for machining a workpiece via the tool, and a workpiece machined in this way, are also provided.

A method is used to manufacture a lower jaw of an end effector of a surgical instrument. The method includes providing a lower jaw that includes a U-shaped body portion. The U-shaped body portion includes a bottom wall interposed between first and second opposing side walls. The method also includes forming at least one feature into at least one of the first and second side walls, wherein the at least one feature has a near net shape. The method also includes subsequently machining the at least one feature to have a machined shape.

The invention relates to a method for producing a tool for machining a workpiece. A metal tool blank (11) is provided in a laser machining device (14) which structures the tool blank on a tool surface by means of interference from at least two laser beams (17, 18). The at least two laser beams have at least temporary pulse durations of at most 15 ps, and by means of the structuring on the tool surface a tool profile (20) is generated having at least one indentation. The invention also relates to a tool structured in this manner, to a method for machining a workpiece by means of the tool, and to a workpiece machined in this way.