摘要:
A rotary molding system for molding food products, mold cavities formed when a mold shell rotates mold shapes disposed along the mold shell into a fill position between a fill plate and a wear plate. Molded food products are removed from mold cavities using knock-out cups, the use of air pressure, or the use of a vacuum source disposed below the mold cavity, without the need to slow the rotation of the mold shell. Knock-out cups may be used with a heating system to reduce accumulation of unwanted materials on the knock-out cups. The rotary molding system can also be used to form products with contoured surfaces. A smart tagging system can be used to ensure that compatible sets of mold shells and knock out cups are being used. A vacuum region may be disposed upstream of the fill position to remove air within the mold cavity prior to filling.
摘要:
A plastic injection mold which allows extracting the air from inside it during the injection process, and an extraction method, where the mold includes closing means, one or more injection cavities provided with at least one injection nozzle for introducing the hot material in a liquid state and at least one ejector device formed by a housing for an ejector pin responsible for extracting the part already molded, where an air duct connected to a vacuum pump or a suction device intercepts the housings of the ejector pins causing a suction of the air from inside the mold.
摘要:
An apparatus and method of fabricating a three-dimensional model which reduces occurrence of one a hairline crack(s), stress fracture(s), break(s), flaw(s) and/or other imperfection(s) in the final three-dimensional model. The method comprising the steps of selecting the model material, selecting the sacrificial material, and adding at least one additive to the sacrificial material for at least one of increasing the thermal conductivity, decreasing a coefficient of thermal expansion or decreasing an ability of the sacrificial material to transmit stress to the model material. The three-dimensional composite model is built by depositing a plurality of layers one on top of another. Following completion of the three-dimensional composite model, using at least one of the increase in the thermal conductivity, the decrease in the coefficient of thermal expansion and the decrease in the ability of the composite sacrificial material to transmit stress to the model material for removing the composite sacrificial material from the model material without creating any hairline crack(s), stress fracture(s), break(s), flaw(s) and/or other imperfection(s) in the final three-dimensional model.
摘要:
A transfer system 1 comprising: a conveying/positioning device 3 configured to convey and position a flat sheet-shaped mold MA in a predetermined direction, on which a fine transfer pattern M1 is formed; a transfer device 5 configured to transfer the fine transfer pattern M1 to a molding target W, the transfer device 5 being provided on an upstream side in the conveying direction of the sheet-shaped mold MA; and a peeling device 7 configured to peel off the sheet-shaped mold MA and the molding target from those mutually clinging to each other, after the transfer by the transfer device 5 is performed and the conveyance by the conveying/positioning device 3 is performed, the peeling device 7 being provided on a downstream side in the conveying direction of the sheet-shaped mold MA.
摘要:
A measured amount of a material that is crosslinkable by impingement of a suitable form of energy, especially UV light, is introduced into a two-part mould of which the cavity determines the shape of a moulding to be produced. The two mould halves are held a small distance from one another so that a thin annular gap is formed between them, which gap is in communication with the mould cavity and through which gap excess material can escape. The crosslinking is triggered by impingement of the selected form of energy, the impingement being spatially restricted to the cavity by suitable masking so that material disposed outside the mould cavity is not crosslinked. In that manner mouldings are obtained that do not require subsequent mechanical processing, and the mould is reusable. The process is especially, but not, however, exclusively, suitable for the manufacture of contact lenses.
摘要:
It is an object of the present invention to provide a functional-container forming method and a molding die which can produce a functional container at a low cost and a high throughput without using a bond, and, a functional container produced by utilizing those. A functional-container forming method for forming a casing part on a bottom-face member having a predetermined functional surface, the functional-container forming method comprising the steps of: forming a protection region that suppresses a deterioration of a function of the functional surface between the functional surface and a molding die; and performing a molding by filling a melted resin in a cavity formed between the molding die and the bottom-face member.
摘要:
A method is provided for making a composite laminate aircraft skin for a fuselage in multiple composite panels. A resin-impregnated composite tape is placed on a lay-up surface of a mandrel tool to form the composite laminate aircraft skin as a barrel that is substantially the shape of a fuselage section. The barrel is cut into a plurality of panels on the mandrel tool, and at least one panel of the plurality of panels is transferred, individually and independently of all other of the plurality of panels, from the lay-up surface of the mandrel tool to a first cure tool of a plurality of cure tools having an aero surface tooled to an outer mold line. The at least one of the panels is cured on the first cure tool to form a cured composite panel. The first cure tool defines and controls the outer mold line of the at least one panel. The cured composite panel is removed from the first cure tool.
摘要:
A method and a mould for manufacturing pellets of hot-melt ink are disclosed wherein use is made of a multiple mould containing at least three dies detachably attached to one another which define mold cavities and corresponding filling holes. In the moulding process, the cavities are overfilled such that after solidification ink protrudes in the filling openings formed in a single die and prior to removal of the pellets from the mould cavities, the die containing the protrusions is separated from the other dies whereby the ink pellets formed are substantially free of holes and/or protrusions hampering the free flow of such pellets when introduced in a dosing system.
摘要:
A molding device for pre-shaped plastic films has a body, a platform and a driving shaft. The body can be rotatably mounted in a pre-shape machine and has an annular side surface and a top opening. The platform is detachably mounted in the top opening of the body. The driving shaft is mounted longitudinally through the body, movably extends longitudinally relative to the body and has an end attached securely to the platform to selectively raise the platform to lift a pre-shaped plastic film from the body. Accordingly, the plastic films can easily be separated from the platform, and to manually separate the plastic film from the molding device is unnecessary to prevent the plastic films from being damaged.
摘要:
Mandrel supported IV tubing is inserted within a mold of a mold assembly to heat the IV tubing and form a tapered end of the tubing. The tip of the tubing extending beyond the tapered end of the tubing is severed by the mandrel bearing against the mold to lodge the tip in an outlet of the mold. Cooling air is introduced to the mold assembly to cool the mold and to create a flow of turbulent air about the outlet of the mold to extract the severed tips. The turbulent air is exhausted through a channel, pipe and fitting into a collection chamber and causes translation of the severed tip to and into the collection chamber. Sensors may be incorporated to sense the translation of the severed tips.