摘要:
A method of manufacturing an injection molding substance and the injection molding substance is provided. The method of manufacturing an injection molding substance including: providing a molding compound including a powder; making an intermediate mold by injection molding using the molding compound; cutting a portion of the intermediate mold; and sintering the cut intermediate mold.
摘要:
A molding device includes a mold and a mold core received in the mold. The mold has an insert receiving cavity defined therein and an inner surface in the insert receiving cavity. The mold core includes a core insert and a connection portion. The core insert has a molding surface defined at a first distal end thereof and a lateral surface. The lateral surface of the core insert contacts the inner surface in the insert receiving cavity. The connection portion has a distal end connected with an opposing second distal end of the core insert. The connection portion is received in the insert receiving cavity and spaced from the inner surface of the mold.
摘要:
An adjustable mold is used to mold material to form a first support. A first ceramic article is supported by the first support during firing. The adjustable mold may be adjusted and used to mold material to form a second support having a second configuration. The second support is used to support a second ceramic article during firing. The first and second supports may advantageously be formed with projections which engage the ceramic articles during firing. The length of these projections may be varied by adjusting the mold. A second adjustable mold may be used to form a first retainer which limits upward movement of the first ceramic article during firing. The second adjustable mold may be adjusted and used to form a second retainer which limits upward movement of the second ceramic article during firing.
摘要:
These inventions provide a core-setting apparatus and a method for setting the core in a lower mold used for a molding apparatus, wherein the core-setting apparatus has a simple structure and can maintain the core in the mold in a highly accurate position. The inventions consist of: the core-setting apparatus to set a core in the lower mold while the upper and the lower mold and a match plate are separated from each other after molding the upper and lower mold that comprises: a handling tool having a holding means and a rotatable rod, wherein the handling tool is rotatably supported by the rod, a carrier for transferring the handling tool, wherein the carrier supports the rotatable rod and is moved to or from the location above the lower mold, and an actuator for lowering and lifting the cope flask together with the carrier and the handling tool which are located above the drag flask, wherein the actuator is mounted on the main body of the molding apparatus.
摘要:
Molding machines and methods of performing molding processes are described. One embodiment includes a base, a carriage disposed movably on the base, a first mold secured immovably to the carriage, a second mold disposed slidably on the carriage, a driving unit for moving the second mold on the carriage and toward and away from the first mold, a push shaft inserted telescopically into a pressure cylinder and pushing the second mold against the first mold, a synchronous transmission unit for moving said carriage synchronously with the second mold so that the first mold is moved to said second mold, and a pressure booster including a booster tube, and a telescopic booster rod extendable into the booster tube to transfer pressure in the booster tube to the pressure cylinder so as to boost the pressure inside the pressure cylinder.
摘要:
An imprint method, includes the steps of: preparing a substrate; placing an uncured resin material on the substrate; preparing a mold having a first end and a second end; placing the mold to oppose the substrate at a position not sandwiching the resin material, wherein a first gap between the first end and the substrate and a second gap between the second end and the substrate are different from each other; imparting a relative movement between the substrate and the mold so that the resin material approaches the first end of the mold and enters through the first gap and fills at least a part of a space between the mold and the substrate; and changing at least one of the first and second gaps in the state that the resin material is present between the mold and the substrate.
摘要:
The invention relates to a three-dimensional laminate which can be used to make a rubber-based glove with improved transversal extensibility and elasticity, a method for the manufacture thereof, and said glove which is water-tight and also tight in relation to most household liquids. The inventive laminate defines an internal volume and comprises an internal support and at least one external rubber layer which adheres to said support. The internal support comprises an elastic non-woven structure.
摘要:
A die comprises metal-rich sections which form an inner wall and an outer wall of the die, respectively. Gradient sections are disposed adjacent to the metal-rich sections, respectively. Further, a ceramics-rich section is disposed between the gradient sections. A punch comprises an inner ceramics-rich section, a gradient section, and an outer metal-rich section. In the die, the composition ratio of metal gradually decreases from the metal-rich sections to the ceramics-rich section. Similarly, in the punch, the composition ratio of the metal gradually decreases from the metal-rich section to the ceramics-rich section.
摘要:
Provided are methods of replacing drilling holes in castings by pre-tensioning sand cores. This methods are used in long cylindrical shaped sand cores in cold core box processes. The urethane sand core is placed in compression to increase the core strength during handling, placing inside of the mold. The pre-tensioned urethane sand core is set in a casting mold so as to form a cavity in the casting mold. The molten metal is poured to form the cavity inside of the casting. The pre-tensioned urethane sand core maintains its initial shape during casting.
摘要:
In a lead frame (36), inner leads (4), the terminal ends of support leads (2), and a die pad (3) are disposed in a molding area (11) molded with a molding resin (13) and a frame (1), the leading ends of the support leads (2), outer leads (5), and tie bars (6) are disposed outside the molding area (11). In the frame (1), slits (16) are formed by cutting on both sides of corners (15) disposed on the extension lines of the leading ends of the support leads (2).