The present invention discloses a current-assisted composite spinning forming device and method for deep cup-shaped thin-walled parts is provided, comprising a spinning mandrel, a tailstock, and a plurality of rollers evenly distributed on the circumference of the spinning mandrel; the rollers are arranged in a staggered manner in the axial and radial directions of the spinning mandrel, and the roller surface of each roller comprises a deep drawing roller surface, a flow spinning section, and a shaping roller surface, wherein the staggered arrangement means that the deep drawing roller surfaces, the flow spinning sections and the shaping roller surfaces of the rollers are distributed in a staggered manner in the axial and radial directions of the spinning mandrel. In the spinning process, with different arc-shaped surface shapes and structures of the rollers for deep drawing spinning, the rollers focus on applying pressure to different portions of a blank in the period of each revolution of the spinning mandrel, which is beneficial to increase the pass reduction and reduce the spinning pass. This can not only improve the production efficiency, but also contribute to reducing defects such as material rupture and unusability due to hardening of the workpiece that is caused by the discontinuous material forming process.

A prosthetic valve assembly includes an annular frame having an inner radial surface, an outer radial surface, and defining an inner lumen. The prosthetic valve assembly further includes a leaflet assembly including at least one leaflet having an inner radial surface and an outer radial surface. The at least one leaflet is disposed at least partially within the inner lumen of the annular frame. The prosthetic valve assembly includes a crimping accessory device having a handle and at least one shielding member removably disposed between the outer radial surface of the at least one leaflet and the inner radial surface of the annular frame. The at least one shielding member is configured to reduce physical contact between the at least one leaflet and the inner radial surface of the annular frame.

A prosthetic valve assembly includes an annular frame having an inner radial surface, an outer radial surface, and defining an inner lumen. The prosthetic valve assembly further includes a leaflet assembly including at least one leaflet having an inner radial surface and an outer radial surface. The at least one leaflet is disposed at least partially within the inner lumen of the annular frame. The prosthetic valve assembly includes a crimping accessory device having a handle and at least one shielding member removably disposed between the outer radial surface of the at least one leaflet and the inner radial surface of the annular frame. The at least one shielding member is configured to reduce physical contact between the at least one leaflet and the inner radial surface of the annular frame.

A method for connecting a wire cable to a cable shoe for a belt buckle mounting comprises the steps of: pre-bending a retaining portion of the cable shoe to form an eye; inserting the wire cable into the eye; extruding the retaining portion so that the outer periphery thereof is reduced. The extrusion of the retaining portion is carried out as impact extrusion, wherein a form closure is produced between the retaining portion and the wire cable. The impact extrusion is carried out by a tool including at least one edge-free first seat for the eye. An apparatus for connecting a wire cable to a cable shoe for a belt buckle mounting comprises a first tool half including a first seat for a retaining portion of the cable shoe pre-bent into an eye and an opposed second tool half including a second seat for the retaining portion. The two tool halves can be forced against each other with high pressure so that the material of the retaining portion starts to flow. At least the first seat is free from edges.

The present invention concerns substrates coated with an Mo.sub.1-x-ySi.sub.XB.sub.Y layer, said layer comprising the T2 phase, and a method for the production thereof.

The present invention concerns substrates coated with an Mo.sub.1-x-ySi.sub.XB.sub.Y layer, said layer comprising the T2 phase, and a method for the production thereof.

A mandrel for forming a stent with a tapered profile and one or more anti-migration features includes a first stent shaping segment having a first diameter, a second stent shaping segment having a second diameter less than the first diameter and a tapered segment disposed therebetween. A third stent shaping segment is releasably securable to the second stent shaping segment and has a third diameter greater than the second diameter. One or more movable pins are outwardly extendable from corresponding apertures formed within the tapered segment. An actuation element is engagable with the first stent shaping segment and includes a tapered surface configured to engage the one or more movable pins and support the one or more movable pins extended from the corresponding apertures.

A test/inspection apparatus (10) for dies for electrical use, in particular for dies for cutting magnetic metal plates adapted to be stacked or superimposed one on the other to define layered packs for use in electrical machines, comprising interaction means with special functions (20) or mechanical elements of a cutting die (21), which enable/disable one or more cutting elements of said die, said apparatus being coupled to the cutting die (21) for testing it off a cutting press.

A drawing device includes a main body, a seat body, a central axle, two supporting members and a driving structure. The seat body is rotatably connected to the main body and has two legs which have a preset distance therebetween, the central axle vertically penetrates the main body and the seat body and movable along a vertical direction, the main body and the seat body are rotatable about the central axle relative to each other, a bottom portion of the central axle penetrates the seat body for a sucking disc to be arranged thereon, the two supporting members are respectively swingably pivoted to the two legs of the seat body, and the central axle is located between the two supporting members, and the driving structure is attached to the main body and connected to the central axle to optionally move the central axle upward.

An upper die having a reduced weight and sufficient rigidity. In a die which is used for a pressing machine including a lower die provided on a lower side in a height direction, an upper die provided on an upper side in the height direction, and a pressing mechanism that moves the upper die up and down, the die has a plurality of segments in which a concave portion partitioned by ribs is formed, on a rear surface side that is a side opposite to a processing surface.