摘要:
The procedure (1) for obtaining raw materials resulting from waste material comprises: the supply (A) of harmonic steel resulting from waste material and prepared in a skein to be treated (3); a heat treatment (B) of the skein to be treated (3) for obtaining a treated skein (3 a); - a post-treatment (E) of the treated skein (3a) for obtaining steel reusable as raw material; where the heat treatment (B) comprises an inductive exposure step (Bl) of the skein to be treated (3) to at least an alternate magnetic field for the induction in the skein to be treated (3) of alternate eddy currents adapted to raise the temperature of same.
摘要:
The invention relates to a device for heating a moulding face, notably of large size, characterized in that this device comprises: a. a metallic sheet (110) comprising a ferromagnetic layer (110) and comprising a part (115) formed into a shape that defines said moulding face and a forming plane (111); b. a stand and means of supporting said metal sheet (110) on said stand; c. means (410, 415) of inductively heating said metal sheet (110).
摘要:
Adjustable system and methods are provided that are used in curing a foam item. Induction heating assemblies, cooling mechanisms and a dynamic conveyance mechanism may be used in combination to heat and cool a mold containing the foam item as it is conveyed. The dynamic conveyance mechanism may have removable rollers that allow for chambers, such as the induction heating assemblies, to be placed into areas where removable rollers have been removed. As such, utilizing a dynamic conveyance mechanism chambers to be placed into, taken out of, and moved around the dynamic conveyance mechanism. The flexibility of a dynamic conveyance mechanism allows for a curing process to be automated, adjusted, and customized.
摘要:
The main object of the invention is an additive-manufacturing device (1) for creating a three-dimensional object (2), characterized in that it comprises a materials selection unit (3), the materials including materials for the creation of the three-dimensional object (2), an induction heating unit (4) for heating the materials, the selection unit (3) being able to convey the materials toward the heating unit (4) which causes them to melt, and a materials deposition unit (5) which ejects the materials after they have passed through the heating unit (4) onto a support (6) so as to allow the three-dimensional object (2) to be built up in successive layers of material.
摘要:
The present invention relates to a process of applying metal microparticles to polymeric material, based on fusing metal particles to the surface of the polymer. The process is characterised in that fragmented metal particles in the form of micrometre-sized powder are premixed with a granulate of a polymeric material, and subsequently, at continued stirring, the metal particles are heated by eddy currents generated by a rapidly changing magnetic field. The present invention also relates to a device for performing the process, a polymeric material with metal microparticles and the use of the polymeric material.
摘要:
An apparatus and method for forming a textured polymeric film are disclosed. The apparatus includes a first roller and a second roller, wherein the first roller and the second roller may be configured to cooperatively form the textured polymeric film. In one embodiment, a limited portion of at least the first roller is heated, passively, actively, or by a combination of active and passive techniques.
摘要:
A multilayered insulated mold structure is provided. An insulation layer (22) provided on each of the mold cores retains heat at the molding surface, thereby increasing surface quality of the finished part. The insulating layer has a varying density across its thickness so as to have a low density center region and high density surface regions. By having a relatively low density, the center region of the insulating layer has a low thermal conductivety. Thus, the insulating layer may be made from the same material as the core and still have an acceptable insulating value. The use of the same material for adjacent layers reduces the potential of delamination of the layers. The multilayered mold is compatible with passive or active heating of the molding surface.
摘要:
The present disclosure relates to a tool such as an injection molding tool or an embossing tool. A heating device including a stack of layers is provided for heating a tool surface. The stack may include a coil carrier layer with a number of wound coils for generating a magnetic field, and a conductive top layer, being adjacent to the tool surface currents are induced in the top layer to heat the surface. Efficient heating may be provided by solutions involving low resistivity layers that lead currents to the top layer without themselves developing heat to any greater extent. A conduction frame device can be provided beneath the top layer and around the perimeter thereof to provide reliable contact with a backing layer. A thermal resistance layer may placed between the intermediate layer and the top layer, and may comprise a heat resistive plastic material such as a polyimide.
摘要:
Various mold apparatuses and methods for forming a polymer with induction heat energy are provided. In one embodiment of the present invention, a mold apparatus for forming polymer includes a mold having a top mold portion and a top mold surface that is magnetic. The bottom mold portion of the mold includes an induction heating unit that is at least partially embedded in the bottom mold portion that provides induction heat energy to the mold. The mold apparatus is constructed and arranged to dissipate greater than about 50% of the induction heat energy in the top mold portion. The induction heating unit of the bottom portion of the mold provides rapid heating the top mold surface to provide high surface quality polymer parts a shorter molding cycle time while utilizing less energy.