Provided are a protrusion forming device, a protrusion forming method, and a formed article, with which a height equal to or greater than the plate thickness is possible, the edges are sharp, and cracking can be prevented. This protrusion forming device is characterized by being equipped with a die unit provided with a die hole, and a punch unit having a large punch part with a size such that this part cannot be inserted into the die hole, and a small punch part that protrudes from the large punch part toward the die unit and can be inserted into the die hole, and characterized in that the workpiece is deformed by pressing a portion of the workpiece arranged between the die unit and the punch unit toward the die unit by means of the punch unit, thereby forming a protrusion.

Provided are a protrusion forming device, a protrusion forming method, and a formed article, with which a height equal to or greater than the plate thickness is possible, the edges are sharp, and cracking can be prevented. This protrusion forming device is characterized by being equipped with a die unit provided with a die hole, and a punch unit having a large punch part with a size such that this part cannot be inserted into the die hole, and a small punch part that protrudes from the large punch part toward the die unit and can be inserted into the die hole, and characterized in that the workpiece is deformed by pressing a portion of the workpiece arranged between the die unit and the punch unit toward the die unit by means of the punch unit, thereby forming a protrusion.

The present invention relates to a forging method and a forging apparatus, capable of: reducing the amount of tray plates used during the forging of materials by reducing the width from front to back of the tray plates by fixing only the rear of the materials to the tray plates for fixing the materials; and minimizing the amount of materials used, by compression-molding products by fixing, to the tray plates, the materials having a minimum size necessary for the fmal products, the present invention comprising: a press having upper and lower molds; a tray plate supply means for supplying, to the top rear of the lower mold, tray plates to be vertically movable from one side to the other side by a pitch and to be spaced from the upside of the lower mold; a punching unit provided at one side of the upper and lower molds so as to continuously punch material fixing hole parts in the tray plates; a material plate supply means provided at the front of the other side of the punching unit so as to supply material plates by a pitch to under the material fixing hole parts of the tray plates and, at the same time, form penetrating protrusion parts, which penetrate into the material fixing hole parts, on the rear top of the material plate in each pitch, which is moved by a pitch; a cutting and compressive fixing unit provided on the upper and lower molds at the other side of the punching unit so as to cut the material plates, which are inserted into the material fixing hole parts of the tray plates, by a pitch and, at the same time, allow the penetrating protrusion parts formed at the rear of the cut materials to penetrate into the material fixing hole parts, thereby compressively fixing same; and a compression molding unit provided on the upper and lower molds at the other side of the cutting and compressive fixing unit so as to compression-mold the materials being transferred.

An insertion apparatus includes a conductor guide member that guides a prescribed region of an electric conductor to a slot of a stator core, and a support body that supports the conductor guide member. In this configuration, the conductor guide member can float in an axial direction of the stator core.

An insertion apparatus includes a conductor guide member that guides a prescribed region of an electric conductor to a slot of a stator core, and a support body that supports the conductor guide member. In this configuration, the conductor guide member can float in an axial direction of the stator core.

A sensor includes: a tubular needle member that includes a side wall and defines a hollow portion; and a linear detection member located in the hollow portion. The side wall of the needle member includes a thick portion that is thicker than another portion of the side wall in a cross-section of the needle member, and wherein the thick portion protrudes toward the hollow portion.

A power end frame assembly for a reciprocating pump that includes a first and second end plate segment each including annular bearing support surfaces configured to support a crankshaft bearing assembly. At least one middle plate segment is disposed between the first and second end plate segments and includes an annular bearing support surface configured to support a crankshaft bearing assembly. The annular bearing support surfaces of the first and second end plate segments and the at least one middle plate segment each have a diameter and are coaxially aligned. The diameter of at least one of the first and second end plate segments is different from the diameter of the at least one middle plate segment to facilitate insertion and removal of the crankshaft bearing assembly from the power end frame assembly.

A method (100) of manufacturing a clamping strap (10) configured to hold and support a hanging object (20) against a structure (21), which is to carry the hanging object, and a clamping strap obtainable by said method; said method comprising providing (101) an extruded elongated aluminium profile having an initial material thickness (T.sub.0) and an initial cross-sectional area (A.sub.0), said profile having a longitudinal direction, which coincides with the extrusion direction of the profile; forming the profile in a bending step (102) into a shape comprising a first end attachment portion (1a), a second end attachment portion (1b), and an intermediate portion (2) located between said first and second end attachment portions (1a; 1b) in a longitudinal direction of the profile (11), said intermediate portion (2) being configured to at least partially encircle the hanging object (20) when mounted to the structure (21); said method including forming said profile by means of locally thinning the profile in a longitudinal direction of the profile (11), in a thinning C operation (103) to obtain one or more thinned portions having a lower material thickness than the initial material thickness (T.sub.0); or locally axially compressing the profile in an axial compression step (104) to obtain one of more axially compressed portions having a higher material thickness than the initial material thickness (T.sub.0) and/or greater cross sectional area than the initial cross-sectional area (A.sub.0); or by a combination of said thinning operation (103) and said axial compression step (104).

A method (100) of manufacturing a clamping strap (10) configured to hold and support a hanging object (20) against a structure (21), which is to carry the hanging object, and a clamping strap obtainable by said method; said method comprising providing (101) an extruded elongated aluminium profile having an initial material thickness (T.sub.0) and an initial cross-sectional area (A.sub.0), said profile having a longitudinal direction, which coincides with the extrusion direction of the profile; forming the profile in a bending step (102) into a shape comprising a first end attachment portion (1a), a second end attachment portion (1b), and an intermediate portion (2) located between said first and second end attachment portions (1a; 1b) in a longitudinal direction of the profile (11), said intermediate portion (2) being configured to at least partially encircle the hanging object (20) when mounted to the structure (21); said method including forming said profile by means of locally thinning the profile in a longitudinal direction of the profile (11), in a thinning C operation (103) to obtain one or more thinned portions having a lower material thickness than the initial material thickness (T.sub.0); or locally axially compressing the profile in an axial compression step (104) to obtain one of more axially compressed portions having a higher material thickness than the initial material thickness (T.sub.0) and/or greater cross sectional area than the initial cross-sectional area (A.sub.0); or by a combination of said thinning operation (103) and said axial compression step (104).

The present disclosure relates to a forging method and forging apparatus in which at front and rear portions of a workpiece, two products can be simultaneously shaped, thereby to improve a productivity of compression-shaping. The forging apparatus includes a press having upper and lower dies; a tray plate supply assembly configured to supply, by one pitch, a tray plate from one side of the press to an opposite side of the press along a middle portion between front and rear portions of a top of the lower die such that the tray plate can ascend and descend each time the upper die is raised; a punching unit disposed on the upper and lower dies at one side thereof to continuously form a workpiece fixing hole in the tray plate; a workpiece plate supply assembly disposed in front of an opposite side of the punching unit for feeding the workpiece plate by one pitch to a position below the workpiece fixing hole defined in the tray plate, wherein the workpiece plate supply assembly forms a through-protrusion to pass through the workpiece fixing hole on a front-rear directional middle portion in a portion of the workpiece plate corresponding to the fed one pitch; a cutting and pressing and fixing assembly provided on the upper and lower die at an opposite side of the punching unit for cutting the workpiece plate to be fed to the position below the workpiece fixing hole of the tray plate by one pitch and for pressing and fixing the through-protrusion formed on the middle portion of the cut workpiece into the workpiece fixing hole; and a pressing and shaping unit disposed on the upper and lower dies at an opposite side of the cutting and pressing and fixing assembly for compressing and shaping the fed workpiece.