A method for manufacturing a ball pen tip in which a spring for biasing a ball is assembled to the ball pen tip, the method including punching the ball pen tip by a punch from a rear end of the ball pen tip along a central axis direction of the ball pen tip to form a plastic flow ridge formed by a plastic flow upheaving radially inward from an inner peripheral wall surface of the ball pen tip to assemble the spring to the ball pen tip by the plastic flow ridge.

A method for setting conditions for a shaft diameter enlargement, a shaft diameter enlargement method, and a shaft diameter enlargement apparatus are provided. A controller of the shaft diameter enlargement apparatus controls a compressing section, a bending section, and a rotating section to enlarge an intermediate portion of a shaft workpiece to have a predetermined outer diameter by rotating the shaft workpiece about its axis with axial compressive force a bending angle being applied to the intermediate portion. The controller determines whether the shaft workpiece is acceptable, based on the number of rotations of die shaft workpiece required for enlarging the intermediate portion to have the predetermined outer diameter or based on an enlargement ratio of the intermediate portion.

A method and an apparatus for manufacturing a stepped member are provided. An intermediate portion of a shaft workpiece is radially enlarged while being compressed in an axial direction by applying alternating load to the intermediate portion in a direction intersecting the axial direction in a state in which pressure that compresses the shaft workpiece in the axial direction is applied to both ends of the shaft workpiece. The enlarged intermediate portion of the shaft workpiece is cat in a direction perpendicular to the axial direction so that the shaft workpiece is divided into two stepped members. Each of the stepped members has a shaft portion and a head portion provided at an axial end of the shaft portion, and the head portion has a larger diameter than the shaft portion.

A method and an apparatus for manufacturing a stepped member are provided. An intermediate portion of a shaft workpiece is radially enlarged while being compressed in an axial direction by applying alternating load to the intermediate portion in a direction intersecting the axial direction in a state in which pressure that compresses the shaft workpiece in the axial direction is applied to both ends of the shaft workpiece. The enlarged intermediate portion of the shaft workpiece is cat in a direction perpendicular to the axial direction so that the shaft workpiece is divided into two stepped members. Each of the stepped members has a shaft portion and a head portion provided at an axial end of the shaft portion, and the head portion has a larger diameter than the shaft portion.

The invention relates to a method for the optimized production of a component, in particular from steel, with at least one secondary formed element, comprising the steps of a) providing a blank which has been cut to size at room temperature from a strip or a sheet and in which cut-outs and/or holes have optionally been created by stamping or cutting operations; b) thermal treatment of selected edge regions of the blank that have been cold-hardened by the stamping or cutting operations, in which the edge regions are heated to a temperature of at least 600 C. for a maximum 10 seconds; c) forming the thermally treated edge regions of the blank at ambient temperature to obtain a component with an unfinished secondary formed element; characterized by an additional step d), a calibrating step for obtaining the component with the secondary formed element, wherein the unfinished secondary formed element is formed at ambient temperature into a secondary formed element that has an increased and/or more uniform wall thickness in comparison with the unfinished secondary formed element.

A cold formed anchor for use in an insulated cavity wall includes a unitary body formed with a driver portion and having large and small diameter portions. The driver portion may be formed with structure for connecting a veneer tie to the anchor. A method of making the cold formed anchor includes cold forming a driver portion and a reduced diameter portion from a blank.

A cold formed anchor for use in an insulated cavity wall includes a unitary body formed with a driver portion and having large and small diameter portions. The driver portion may be formed with structure for connecting a veneer tie to the anchor. A method of making the cold formed anchor includes cold forming a driver portion and a reduced diameter portion from a blank.

Provided is a die and a method for forming a flange at an axial end of a rigid metal tube. The die is configured to be engaged by a forming tool to deform the axial end of the rigid metal tube into the flange suitable for providing a leakproof link with an external sealing element. A flange recess in the die provides a shutoff-surface for defining a radially outermost perimeter of the flange formed in the flange recess, and a groove, disposed axially adjacent the flange recess, that is configured to provide for direction of overflow material of the rigid tube during flange formation. The groove aids in enabling an adequately sized planar sealing face of the flange while reducing or altogether preventing formation of flashing at the sealing face.

Provided is a die and a method for forming a flange at an axial end of a rigid metal tube. The die is configured to be engaged by a forming tool to deform the axial end of the rigid metal tube into the flange suitable for providing a leakproof link with an external sealing element. A flange recess in the die provides a shutoff-surface for defining a radially outermost perimeter of the flange formed in the flange recess, and a groove, disposed axially adjacent the flange recess, that is configured to provide for direction of overflow material of the rigid tube during flange formation. The groove aids in enabling an adequately sized planar sealing face of the flange while reducing or altogether preventing formation of flashing at the sealing face.

A composite member includes a metal shaft member, and a fit member having an insertion hole and secured onto the shaft member inserted in the insertion hole. The shaft member includes a receiving portion contacting a first end surface of the fit member, a first radially enlarged portion adjacent to the receiving portion in an axial direction and tightly contacting an inner peripheral surface of the insertion hole, and a second radially enlarged portion adjacent to the first radially enlarged portion in the axial direction and tightly contacting a second end surface of the fit member opposite to the first end surface. The first and second radially enlarged portions are formed by applying a compressive load in the axial direction to the shaft member and an alternating load in a direction intersecting the axial direction to a portion of the shaft member inserted in the insertion hole.