The present disclosure relates to a coaxial connector and a method for producing an outer contact of the coaxial connector. The coaxial connector comprises a body, an inner contact, an outer contact, and a dielectric spacer. The body may be provided with a through hollow cavity, and the inner contact and the outer contact may be coaxially arranged in the hollow cavity of the body and may be spaced apart radially by the dielectric spacer. The outer contact may be in a shape of thin-wall cylinder and may comprise a plurality of spring fingers. The plurality of spring fingers may be spaced apart circumferentially by a plurality of slots. An end of each spring finger may be provided with a flange, and each flange may extend outwardly in a radial direction and comprises an arc portion and a flat portion. The outer contact with such a structure may provide a good interconnection quality when mating with a corresponding mating connector. The outer contact of the coaxial connector may be formed by stamping a tube, which, compared with prior art method, significantly increases the processing efficiency and reduces material and personnel costs.

Various implementations include methods and related tools for forming loudspeaker housings. In some implementations, these methods and tools can be used to form a loudspeaker housing having a non-circular shape. One method includes: forming a set of perforations along a first region of a wall of a hollow cylinder of material; and deforming the wall to a non-circular shape after forming the set of perforations.

Various implementations include methods and related tools for forming loudspeaker housings. In some implementations, these methods and tools can be used to form a loudspeaker housing having a non-circular shape. One method includes: forming a set of perforations along a first region of a wall of a hollow cylinder of material; and deforming the wall to a non-circular shape after forming the set of perforations.

The invention discloses a metal pipe bending cutting machine, which comprises a machine tool base. A main motor cavity is symmetrically arranged at the center of the machine tool base. A main motor is fixedly located in the lower wall of the main motor cavity. A main power shaft is provided, a first bevel gear is fixed on the main power shaft, and a second bevel gear is meshed with the first bevel gear. The invention has the advantages of simple structure, convenient maintenance and convenient use. The metal pipe is automatically processed by the stamping mechanism, and the bending and stamping process can be built in. At the same time, a high-speed cutting device can be built in, so that the metal pipe can be cut and processed after the bending process is completed, thereby speeding up the processing and greatly improving production efficiency, Reduce the workload of workers and save production costs.

The invention discloses a metal pipe bending cutting machine, which comprises a machine tool base. A main motor cavity is symmetrically arranged at the center of the machine tool base. A main motor is fixedly located in the lower wall of the main motor cavity. A main power shaft is provided, a first bevel gear is fixed on the main power shaft, and a second bevel gear is meshed with the first bevel gear. The invention has the advantages of simple structure, convenient maintenance and convenient use. The metal pipe is automatically processed by the stamping mechanism, and the bending and stamping process can be built in. At the same time, a high-speed cutting device can be built in, so that the metal pipe can be cut and processed after the bending process is completed, thereby speeding up the processing and greatly improving production efficiency, Reduce the workload of workers and save production costs.

Provided are a forming method and a forming apparatus which can secure strength after forming while suppressing deformation.

The forming method of the present invention includes a burring step and a pressing step. In the burring step, a branch pipe is formed by causing a cylindrical peripheral wall of a cylindrical member (workpiece) having the peripheral wall to project in an outside direction in a tubular shape. In the pressing step, a distal end surface of the branch pipe is pressed toward a proximal end portion of the branch pipe. In the pressing step, the distal end surface of the branch pipe can be pressed by an end surface pressing punch in a state where a burring punch is inserted in the branch pipe.

Provided are a forming method and a forming apparatus which can secure strength after forming while suppressing deformation.

The forming method of the present invention includes a burring step and a pressing step. In the burring step, a branch pipe is formed by causing a cylindrical peripheral wall of a cylindrical member (workpiece) having the peripheral wall to project in an outside direction in a tubular shape. In the pressing step, a distal end surface of the branch pipe is pressed toward a proximal end portion of the branch pipe. In the pressing step, the distal end surface of the branch pipe can be pressed by an end surface pressing punch in a state where a burring punch is inserted in the branch pipe.

A hand-held apparatus is for hole-making in an elongated body. The apparatus has a housing including a rotatable cutting tool arranged to be axially movable from a non-cutting position into a cutting position. The first end portion of the housing comprises a clamping device arranged to be adjusted from a first, inactive position into a second, active position, wherein the clamping device, in the active position, is arranged to hold the apparatus fixed to the elongated body. The apparatus further has a device for connecting to a driving means, for example a hand-held drill.

A hand-held apparatus is for hole-making in an elongated body. The apparatus has a housing including a rotatable cutting tool arranged to be axially movable from a non-cutting position into a cutting position. The first end portion of the housing comprises a clamping device arranged to be adjusted from a first, inactive position into a second, active position, wherein the clamping device, in the active position, is arranged to hold the apparatus fixed to the elongated body. The apparatus further has a device for connecting to a driving means, for example a hand-held drill.

A tubular product includes a tubular body made of steel and having a tube wall which includes an opening. The opening is produced by a high-speed stamping process at a stamping speed of more than 4 m/s. The opening is situated in the tube wall in a region thereof which has a tensile strength Rm>800 MPa.