摘要:
An article for use in an injection molding process is disclosed. The article is a sleeve which may be used to facilitate the removal of a molded part from a central core. The device eliminates the need for a draft angle which may be unsuitable for molded parts in certain applications. A method for injection molding is disclosed which uses this sleeve in the injection molding process. An article produced by this process is also disclosed.
摘要:
An apparatus for manufacturing a constant velocity joint boot includes a molding mold that injection-molds a molded body using an inner mold and outer molds. The inner mold has a configuration in which split molds are disposed radially along an outer circumferential surface of a core shaft extending vertically. The manufacturing apparatus has rod-like support members including distal end portions and step surfaces. The distal end portions are inserted into concave portions formed in extension portions of the split molds so that the split molds are supported. The step surfaces abut against the outer circumferential surfaces of the extension portions in the state where the split molds are supported by the distal end portions.
摘要:
Disclosed herein is, amongst other things, a mold stack that includes a core insert, a core ring, and a split insert that are configured to cooperate, in use, to define a molding cavity. The core insert defines a ring seat on a medial portion thereof upon which the core ring may be seated, in use, in cooperation with a mounting interface thereon. The split insert defines a pocket that extends coaxially through a second projecting portion thereof within which to receive a projecting portion of the core ring. The core ring and the split insert being further configured to define a core ring-to-split insert parting line that is within the pocket of the split insert. The core ring further defines a first split insert seat for receiving the second projecting portion of the split insert.
摘要:
Disclosed herein are, amongst other things, a molding apparatus with which to mold, in use, a preform of a type for blow molding into a container. The molding apparatus includes a lock ring (104, 204) for use in a first stack portion (108) of a mold stack (120). The lock ring (104, 204) includes a tubular body (150, 250) that is configured to define, amongst other things, a support interface (194) in cooperation, in use, with a split insert (6, 106) of the first stack portion through which a compressive load is transferrable during molding of the preform, wherein the support interface (194) includes a support shelf (154) that is defined, at least in part, on a first major promontory (152, 252) of the tubular body (150, 250).
摘要:
A method of molding a boot for a constant velocity joint includes: molding a compact by injection molding; raising split dies of an inner die so as to separate the split dies from a set ring; raising a core shaft of the inner die so as to separate the core shaft from the split dies; separating each of the split dies from the compact; introducing a lower end portion of the separated split die into the set ring along an engaging surface; and inserting a lower end portion of the core shaft through the set ring from above the set ring, and pressing upper end portions of the split dies downward by a protruding portion at an upper end portion of the core shaft so that the lower end portions of the split dies are engaged with the engaging surface and the split dies are brought into close contact.
摘要:
The disclosure relates to an injection molding module including a mold unit and a slider that is disposed in the mold unit and that cooperates with the mold unit to define a cavity and a cooling runner in spacial communication with the cavity. The cooling runner includes a main section that is formed with an inlet, and a tapering section that extends from the main section in a lengthwise direction and that is formed with an outlet in spatial communication with the cavity. The inlet has an axial direction that is not parallel with the lengthwise direction, thereby the plastic material having a flow direction that is changed when a plastic material is fed into the cooling runner through the inlet.
摘要:
A shaft support structure includes a base body having an attachment device for fixing an attached member, a bearing portion provided at an end portion of the base body and having an opening portion, a swinging shaft rotatably disposed inside the opening portion of the bearing portion, and a lid body having the swinging shaft and rotated by the swinging shaft. The lid body is integrally formed with the base body. A clip includes the shaft support structure.
摘要:
A nozzle is provided having a low precipitation rate and uniform fluid distribution to a desired arcuate span of coverage. The nozzle has an inflow port having a shape corresponding to the desired arc of coverage and a size for effecting a low precipitation rate. The nozzle also has a deflector surface with a water distribution profile including ribs for subdividing the fluid into multiple sets of fluid streams. There are at least two fluid streams for distant and close-in irrigation to provide relatively uniform distribution and coverage. The nozzle may be a unitary, one-piece, molded nozzle body including a mounting portion, an inflow port, and a deflector portion. There is also provided a mold assembly and method for forming a unitary, one piece nozzle body.
摘要:
A mold for producing a part, such as a turbomachine blade model, by injecting wax into a cavity, the cavity including at least two cavity elements, each of which is supported in a cavity block. The two cavity blocks are mobile relative to one another between a closed position for injecting the wax and an open position for removing the part following the injection of the wax. The two cavity blocks are mobile in a horizontal plane.
摘要:
A sealing apparatus that includes a first mold in which a core is formed and a second mold in which a skin is formed which are combined to attach the core and the skin to seal a foaming space between the core and the skin. The apparatus further includes a slide mold installed to be moved horizontally in the first mold or the second mold to be moved forward by a restoring force of a support member to attach the skin to the core. The resilient support member is installed to support the slide mold and a position constraining member is coupled to the slide mold to release the constraint of the slide mold to allow the slide mold to be moved forward when the foaming space is sealed while the movement of the slide mold is constrained.