WO2004035285A1 - 金型装置及びその製造方法、成形方法、成形品並びに成形機 - Google Patents
金型装置及びその製造方法、成形方法、成形品並びに成形機 Download PDFInfo
- Publication number
- WO2004035285A1 WO2004035285A1 PCT/JP2003/013295 JP0313295W WO2004035285A1 WO 2004035285 A1 WO2004035285 A1 WO 2004035285A1 JP 0313295 W JP0313295 W JP 0313295W WO 2004035285 A1 WO2004035285 A1 WO 2004035285A1
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- WO
- WIPO (PCT)
- Prior art keywords
- mold
- sliding
- layer
- movable
- molding
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
- B29C45/2632—Stampers; Mountings thereof
- B29C2045/2634—Stampers; Mountings thereof mounting layers between stamper and mould or on the rear surface of the stamper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2608—Mould seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
- B29C45/2632—Stampers; Mountings thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
Definitions
- the present invention relates to a mold apparatus, a manufacturing method thereof, a molding method, a molded product, and a molding machine.
- a resin heated and melted in a heating cylinder is injected at a high pressure to fill a cavity of a mold apparatus, and then cooled in the cavity. After solidification, the molded product is taken out.
- the injection molding machine includes a mold device, a mold clamping device, and an injection device.
- the mold device includes a fixed mold and a movable mold.
- the mold clamping device includes a fixed platen, a movable platen, and a motor for mold clamping.
- the mold closing motor is driven, the movable platen is moved forward and backward with respect to the fixed platen, and the movable mold is moved forward and backward with respect to the fixed mold. Opening and closing of the mold are performed.
- the injection device includes the calorie heating cylinder that heats and melts the resin supplied from the hopper, an injection nozzle that injects the melted resin, and the like.
- a screw as an injection member is provided in the heating cylinder. It is arranged so that it can move forward and backward and rotate freely. Then, the screw is advanced by driving the injection motor during the injection process, whereby the resin is injected from the injection nozzle. The resin is rotated by driving the measurement motor during the measurement process, and the screw is retracted accordingly. By doing so, the resin is weighed.
- injection molding machines that compress the resin filled in the cavity space, that is, compression molding machines, move the movable mold forward and close the mold. After the cavity space is formed and the resin is filled into the cavity space, the movable mold is further advanced to close the mold, The resin can be compressed. A weir member is provided so that the resin does not leak from the cavity space when the resin is filled into the cavity space.
- FIG. 1 is a sectional view showing a main part of a conventional compression molding machine.
- 11 is an injection device
- 12 is a heating cylinder
- 13 is an injection nozzle arranged at the front end (left end in the figure) of the heating cylinder
- 14 is a mold device
- 15 is not shown
- 16 is a movable mold attached to a movable platen (not shown)
- 17 is a cavity formed in the fixed mold
- 18 is a movable mold 1
- Reference numeral 6 denotes a core formed so as to project toward the cavity 17.
- the movable platen is moved forward and backward by a mold clamping device (not shown), and the movable mold 16 is moved forward and backward (moves in the left-right direction in the figure), so that the mold of the mold device 14 can be closed, closed and closed. It can be performed.
- the mold is closed, the cavity 17 is formed between the fixed mold 15 and the movable mold 16 by the cavity 17, the core 18 and the annular dam member 22. .
- a sprue 19 is formed in the fixed mold 15 in communication with the cavity space C.
- annular groove 21 is formed on a surface of the peripheral portion of the fixed mold 15 facing the movable mold 16, and defines an outer peripheral edge of the cavity space C in the groove 21.
- the weir member 22 is disposed so as to be able to advance and retreat, and the weir member 22 is urged toward the movable mold 16 by a spring 23 as an urging member housed in the groove 21. Is performed.
- a not-shown stop for locking the weir member 22 is formed in the groove 21.
- a surface of the outer peripheral edge of the movable mold 16 facing the fixed mold 15 has an annular contact portion 2 for receiving the front end surface (left end surface in the figure) of the dam member 22. 6 is formed, and a step 25 is formed on the outer peripheral edge of the contact portion 26. The step 25 is protruded radially outward from the step 25 toward the fixed gold 15 by a predetermined amount. An annular protrusion 29 is formed.
- the dam member 22 is projected from the front end face of the fixed mold 15 by a predetermined amount in an initial state. Then, the mold clamping motor is driven. As a result, the movable mold 16 is moved forward (moved to the right in the figure), and the mold is closed as shown in the figure. First, the front end face of the dam member 22 comes into contact with the contact portion 26 As a result, the cavity space C is formed. Further, when the movable mold 16 is advanced by a predetermined amount, the weir member 22 retreats against the urging force of the spring 23 by the amount by which the movable mold 16 is advanced (right in the figure). In the direction 21), and is advanced into the groove 21, and further pressed against the contact portion 26 by the urging force of the spring 23.
- the dam member 22 is further retracted.
- the core 18 is advanced toward the cavity 17, the protrusion 29 is brought into contact with the front end face of the fixed mold 15, and the resin in the cavity C is compressed. Thereafter, the resin in the cavity space C is cooled and becomes a molded product.
- the movable mold 16 is retracted (moved leftward in the figure) and the mold is opened, the molded product is retracted together with the movable mold 16 with the molded product adhered to the movable mold 16. . Then, when the molded product is ejected by advancing an unillustrated ejector pin disposed in the movable mold 16, the molded product is released from the movable mold 16, and the mold device 14 is moved from the mold device 14. Taken out.
- the weir member 22 that has entered the groove 21 is moved forward (moves to the left in the figure), and the fixed mold 15 is moved by the same amount as the initial state. From the front end face of the
- the weir member 22 is moved forward and backward with respect to the fixed mold 15, and is moved into the groove 21, or the groove 2 is moved. It is made to protrude from one.
- the inner peripheral surface of the groove 21 and the outer peripheral surface of the weir member 22 are slid, and when the mold apparatus 14 is used repeatedly, the inner peripheral surface of the groove 21 and the weir Member 2 of 2 The sliding surface consisting of the outer peripheral surface is worn, and the durability of the mold apparatus 14 is reduced.
- the abrasion-resistant coating layer is formed on the sliding surface by plating the base material of the groove 21 and the weir member 22 having the sliding surface and performing a coating process such as evaporation. Wear of the sliding surface is suppressed.
- the coating layer formed by the coating process such as plating and vapor deposition is thin, it is easily affected by the condition of the base material. For example, when the base material thermally expands, the coating layer may peel off. However, the coating layer may be distorted. Therefore, the durability of the mold apparatus 14 is reduced.
- the present invention solves the problems of the conventional mold device, improves the durability of the mold device, reduces the cost of the mold device, and a method of manufacturing the same.
- An object of the present invention is to provide a molding method, a molded product, and a molding machine. Disclosure of the invention
- the mold apparatus includes a first mold and a second mold disposed to be able to move forward and backward with respect to the first mold.
- At least one of the first and second dies has a sintering portion having a predetermined thickness.
- a sintering portion having a predetermined thickness is formed in at least one of the first and second molds, so that the sliding surface is worn when the mold device is repeatedly used. Can be prevented, and the durability of the mold apparatus can be improved.
- the sintered part is formed at least on a sliding surface.
- the sintered portion is formed at least on a contact surface between the base and the nest.
- the sintering portion is formed by sintering a sintered powder, and comprises a base layer made of a first material, and an outermost layer made of a second material. Is provided.
- the first and second materials have different characteristics from each other.
- the second material is a material having high wear resistance.
- an intermediate layer made of a material containing the first and second materials at a predetermined content is formed between the base layer and the outermost layer.
- the content of the first and second materials is changed from the base layer side to the outermost layer in the intermediate layer.
- the sliding surface includes first and second sliding surfaces formed of materials having different characteristics from each other.
- the mold device is manufactured by sintering the powder constituting the base layer and the powder constituting the outermost layer and comprising a wear-resistant material by spark plasma sintering. Form.
- the sintered part formed on at least one of the movable mold and the fixed mold is moved to the other mold by advancing the movable mold toward the fixed mold.
- at least one of a movable mold and a fixed mold is provided in the mold.
- the molded product is formed by the stamper in which the turn is formed.
- the molded article of the present invention is formed by the molding method according to claim 12 or 13.
- a molding machine according to the present invention includes the mold device according to any one of claims 1 to 3. BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is a cross-sectional view showing a main part of a conventional compression molding machine
- FIG. 2 is a cross-sectional view showing a state of the compression molding machine according to the first embodiment of the present invention at the time of starting mold closing
- FIG. FIG. 4 is a cross-sectional view showing a state of the compression molding machine at the time of mold clamping according to the first embodiment of the present invention.
- FIG. 4 is a conceptual diagram of a discharge plasma sintering apparatus according to the first embodiment of the present invention. Is a cross-sectional view of a weir member according to the first embodiment of the present invention
- FIG. 6 is a cross-sectional view of a first sliding member according to the first embodiment of the present invention
- FIG. 8 is a cross-sectional view of a first sliding member according to the first embodiment;
- FIG. 8 is a cross-sectional view showing a state of the compression molding machine at the time of starting mold closing according to the first embodiment of the present invention;
- FIG. 10 is a sectional view showing a main part of an injection molding machine according to a third embodiment of the present invention.
- FIG. 10 is a sectional view of the injection molding machine according to the fourth embodiment of the present invention.
- FIG. 11 is a sectional view showing a main part,
- FIG. 11 is a sectional view showing a state before starting mold closing of an injection molding machine in a fifth embodiment of the present invention, and
- FIG. 12 is a fifth embodiment of the present invention.
- FIG. 13 is a cross-sectional view showing a state of the injection molding machine at the time of mold clamping according to the embodiment.
- FIG. 13 is a diagram showing a state before the mold closing of the injection molding machine according to the sixth embodiment of the present invention.
- FIG. 2 is a cross-sectional view showing a state of the present invention.
- FIG. 3 is a cross-sectional view showing a state of the compression molding machine according to the first embodiment of the present invention at the time of starting mold closing, and FIG. It is sectional drawing which shows a state.
- reference numeral 11 denotes an injection device.
- the injection device 11 includes a heating cylinder 12 as a cylinder member for heating and melting a resin (not shown) as a molding material supplied from a hopper (not shown).
- An injection nozzle 13 that is disposed at the front end (left end in the figure) of the cylinder 11 and that injects melted luster, is disposed so as to be able to advance and retreat in the heating cylinder 12 and to be rotatable.
- an unillustrated screw as an injection member.
- 14 is a mold device
- 15 is a fixed mold as a first mold attached to a fixed platen not shown
- 16 is attached to a movable platen not shown
- 17 is a cavity formed in the fixed mold
- 18 is a movable mold
- a core C formed so as to project toward the cavity 17 is a cavity formed by the cavity 17, the core 18 and the annular dam member 37.
- the mold clamping device (not shown) includes the fixed platen, the movable platen, a mold clamping motor as a driving unit for mold clamping, and the like.
- the mold clamping motor is driven to move the movable platen forward and backward with respect to the fixed platen.
- To move the movable mold 16 forward and backward with respect to the fixed mold 15 As a result, the mold closing, closing and opening of the mold of the mold apparatus 14 are performed.
- a sprue 19 is formed in communication with the cavity space C.
- annular groove 31 is formed on a surface of the peripheral portion of the fixed mold 15 facing the movable mold 16, and the annular groove 31 is formed along a radially inner circumferential surface in the groove 31.
- An annular first sliding member 32 is provided by sticking, and an annular second sliding member 33 is formed along a radially outer peripheral surface in the groove 31. It is arranged by sticking.
- the second sliding members 32, 33 are arranged by sticking.
- the second sliding members 32, 33 are joined, welded, or fixed to a fixing member such as a bolt. It can also be arranged by the fastening according to this.
- An annular sliding groove 35 is formed between the first and second sliding members 32.33 in the groove 31.
- a cavity space is formed in the sliding groove 3.5.
- the weir member 37 for defining the outer peripheral edge of C is provided so as to be able to advance and retreat, and the weir member 37 is provided by a spring 23 as an urging member housed in the sliding groove 35.
- a surface of the outer peripheral edge of the movable mold 16 facing the fixed mold 15 has an annular contact portion 2 for receiving a front end face (left end face in the figure) of the weir member 37. 6 is formed and the corresponding contact 2
- a step portion 25 is formed on the outer peripheral edge of 6, and an annular protrusion portion 29 is formed radially outward from the step portion 25 so as to project a predetermined amount toward the fixed mold 15 side.
- a part of the fixed mold 15 is constituted by the first and second sliding members 32, 33 and the dam member 37.
- the weir member 37 is projected from the front end face of the fixed mold 15 by a predetermined amount in an initial state. Then, when the movable mold 16 is moved forward by driving the mold clamping motor and the mold is closed, as shown in FIG. First, the contact portion 26 is brought into contact with the front end face of the weir member 37, and a cavity space C is formed radially inward of the weir member 37. Further, when the movable mold 16 is advanced by a predetermined amount, the weir member 37 is retracted by staking the urging force of the spring 23 by the amount by which the movable mold 16 is advanced (right in the figure). In the sliding direction), and is made to enter the sliding groove 35, and is pressed against the contact portion 26 by the urging force of the spring 23. At this point, the protruding portion 29 is not in contact with the front end surface of the fixed mold 15.
- the resin is injected from the injection nozzle 13 and passes through the sprue 19 to fill the cavity C.
- the dam member 37 is pressed against the contact portion 26 by the urging force, the resin does not leak from the cavity space C.
- the dam member 37 is further retracted, and the protruding portion 29 is fixed to the fixed mold 15. It is brought into contact with the front end face.
- the core 18 is advanced toward the cavity 17 and the resin in the cavity space C is compressed. Thereafter, the resin in the cavity space C is cooled and becomes a molded product.
- the movable mold 16 is retracted (moved leftward in the figure) and the mold is opened, the molded product is retracted together with the movable mold 16 with the molded product adhered to the movable mold 16. . Then, when the molded product is ejected by advancing an unillustrated ejector pin disposed in the movable mold 16, the molded product is released from the movable mold 16, and the mold device 14 is moved from the mold device 14. Taken out.
- the weir member 37 that has entered the sliding groove 35 is advanced toward the movable mold 16 and the fixed metal is moved by the same amount as the initial state. It protrudes from the front end face of the mold 15.
- the movable mold 16 is moved forward and backward, and as the mold is opened and closed,
- the material 37 is moved forward and backward with respect to the fixed mold 15, to enter the sliding groove 35, or to be protruded from the sliding groove 35. Therefore, as the weir member 37 advances and retreats, the outer peripheral surface of the first sliding member 32 and the inner peripheral surface of the weir member 37, and the inner peripheral surface of the second sliding member 33, The outer peripheral surface of the weir member 37 is slid.
- the first and second sliding members 32, 33 and the dam member 37 are manufactured by a discharge plasma sintering method so that the sliding surface formed by the outer peripheral surface of the member 37 is not worn.
- a sintering powder made of a wear-resistant material is sintered by spark plasma sintering, and in this embodiment, at least one of the fixed mold 15 and the movable mold 16 is fixed.
- First and second sliding members 31 and 33 and a dam member 37 are formed on the mold 15 as a sintered portion having a predetermined thickness.
- the entirety of the first and second sliding members 32, 33 and the weir member 37 is formed as a sintered part, but at least the sliding surface Can be formed as a sintered part.
- the first and second sliding members 32, 33, the dam member 37 and the like are manufactured as a sintered body.
- FIG. 4 is a conceptual diagram of a discharge plasma sintering apparatus according to the first embodiment of the present invention.
- 41 is a discharge plasma sintering apparatus
- 2 is a sealed casing having a cylindrical shape
- a chamber 43 in the casing 42 is illustrated as a vacuum source. Is connected to a vacuum pump which is not operated, and is evacuated by operating the vacuum pump.
- the inside of the housing 42 is evacuated.
- the housing 42 may be filled with an inert gas such as argon gas.
- a cooling pipe (not shown) is provided in the wall of the housing 42, and cooling water as a cooling medium (not shown) is circulated in the cooling pipe to cool the chamber 43.
- Reference numeral 45 denotes a cylindrical die made of a conductive material, for example, graphite, and a first die made of a conductive material, for example, graphite, is provided above and below the die 45.
- a bar-shaped upper punch 46 and a lower punch 47 as second punches are provided.
- the upper punch 46 and the lower punch 47 are disposed so as to face each other, and predetermined irregularities (not shown) are formed on the facing surfaces in accordance with the shape of the sintered body to be manufactured.
- the die 45, the upper punch 46 and the lower punch 47 constitute a sintered mold 48.
- the die 45, the upper punch 46, and the lower punch 47 are formed of graphite, but instead of graphite, tungsten (W), molybdenum (Mo), carbon A conductive material such as (C) having a melting point of 110 ° C. or more can be used.
- An upper electrode 51 as a first electrode is provided above the upper punch 46, and a lower electrode 52 as a second electrode is provided below the lower punch 47 in the vertical direction.
- a cooling pipe (not shown) is provided in each of the upper electrode 51 and the lower electrode 52, and the cooling water is circulated in the cooling pipe to cool the upper electrode 51 and the lower electrode 52.
- the die 45 is indirectly cooled through the upper punch 46 and the lower punch 47.
- a temperature sensor (not shown) as a temperature detecting unit is provided at a predetermined position of the die 45, and the temperature of the die 45 is detected by the temperature sensor.
- the upper electrode 51 and the lower electrode 52 are arranged so as to be movable in the vertical direction, and a pressing mechanism (not shown) is connected to the upper end of the upper electrode 51 and the lower end of the lower electrode 52.
- the pressing force generated by the pressurizing mechanism is transmitted to the upper electrode 51 and the lower electrode 52, and moves the upper electrode 51 downward and the lower electrode 52 upward. .
- the sintering powder 53 is filled, and the pressurizing mechanism is operated to move the upper electrode 51 and the lower electrode 5, whereby the sintering powder 53 is pressurized by the pressing force. it can.
- the driving unit for pressurizing the pressurizing mechanism is a servomotor. Although a reduction gear is used, a hydraulic cylinder, a pneumatic cylinder, or the like can be used.
- a position sensor (not shown) as a position detection unit is provided adjacent to the upper electrode 51 and the lower electrode 5, and the position The position of the upper electrode 51 and the lower electrode 52 is detected by the sensor.
- a predetermined voltage is applied by a predetermined pulse by a power source (not shown) to the upper electrode.
- a control unit (not shown) is provided for applying a voltage between 51 and the lower electrode 52, and the control unit is connected to the pressurizing mechanism and the power supply.
- the discharge plasma sintering apparatus 41 when performing discharge plasma sintering, first, the upper electrode 51 is moved upward, the upper punch 46 is moved upward, and the upper end of the die 45 is opened. Then, the sintering powder 53 made of a predetermined material is filled in the filling chamber.
- the pressure processing means of the control unit performs a pressure processing, and operates a pressure mechanism to operate the pressure mechanism.
- the upper electrode 51 and the lower electrode 52 are moved, and the sintering powder 53 is pressed with a predetermined pressure.
- the voltage application processing means of the control section performs a voltage application process, activates the power supply, and applies a pulse between the upper electrode 51 and the lower electrode 52 for about 10 minutes.
- a voltage of 0.1 to 5 [V] is applied between the upper electrode 51 and the lower electrode 52, and a DC pulse of about 100 to 800 [A] is applied. Current flows.
- a DC pulse-shaped current is supplied.
- a current such as a rectangular wave, a triangular wave, a trapezoidal wave, or an alternating current may be supplied. You can also. Further, a current of the same value can be supplied for a certain period of time.
- the sintering powder 53 is heated to a temperature of about 500 to 300 ° C., and is sintered by spark plasma sintering to form a sintered body. In this case, heat is generated at a point where the powders constituting the sintering powder 53 come into contact with each other, and the powders are joined to each other.
- a predetermined binder is added to the sintering powder 53 in order to improve the handling property of the sintering powder 53. The binder is blown off when the pulsed current flows.
- the die 45, the upper punch 46 and the lower punch 47 are heated by Joule heat to keep the sintered body warm, and then cooled by the cooling water supplied from the cooling system and sintered.
- the body is completed.
- the time for keeping the sintered body warm is set to about 10 to 53 minutes, and the time for cooling the sintered body is set to about 53 minutes.
- a sintering body is manufactured by filling a sintering powder 53 into a filling chamber and sintering the powder.
- a sintered body having one characteristic can be manufactured.
- the sintering powder 53 is composed of at least two or more materials having different characteristics from each other, and by changing the distribution of each material at the time of filling, a sintered body having various characteristics is obtained.
- the sliding surfaces that slide with each other can be constituted by, for example, first and second sliding surfaces formed of first and second materials having different characteristics.
- FIG. 5 is a sectional view of a weir member according to the first embodiment of the present invention.
- 37 is a weir member
- 61 is a base layer as a first layer made of a material having a predetermined characteristic
- 62 is an outermost layer as a second layer made of a material having high wear resistance.
- the outermost layer 63 is an innermost layer as a third layer made of a material having high wear resistance, that is, the innermost layer 64 is a first layer formed between the base layer 61 and the outermost layer 62.
- a gradient layer 65 is a first gradient layer formed between the base layer 61 and the innermost layer 63.
- the first and second inclined layers 64 and 65 constitute an intermediate layer.
- the base layer 61, the outermost layer 62, the innermost layer 63, and the first and second inclined layers 64 and 65 are formed by joining adjacent layers by sintering.
- the first bonding surface S1 is between the base layer 61 and the first inclined layer 64
- the second bonding surface S2 is between the base layer 61 and the second inclined layer 65.
- a third joint surface S3 is formed between the innermost layer 63 and the second inclined layer 65
- a third joint surface S3 is formed between the innermost layer 63 and the first inclined layer 64.
- the base layer 61 is made of a material having high rigidity and toughness as a first material, for example, SUS304, and the outermost layer 61 and the innermost layer 63 are made of a second material having a high resistance. It is formed of a highly abrasive material, for example, titanium nitride (TiN).
- titanium oxide instead of the titanium nitride as the second material (T i ⁇ 2), boron nitride ( BN), zirconium nitride (ZrN), cemented carbide (WC / C 0), Boron'nai stride ( ⁇ ), cubic boron Nai stride (CB New), Jirukoyua (zirconium oxide Z r 0 2), alumina (aluminum oxide A 1 2 0 3), silica (dioxide silicofluoride (silicon) containing S i 0 2), titania (titanium dioxide Niumu T i 0 2), silicon nitride (S i 3 N 4), chromium oxide (C r 0, C r 2 0 3, C r 0 3), can be used cordierite or the like.
- the sliding surface composed of the inner and outer peripheral surfaces of the dam member 37 is formed on the outermost layer 62 and the innermost layer 63. Therefore, wear can be prevented, and the durability of the mold device 14 can be improved.
- the dam member 37 is manufactured. Not only can the operation for the damping member 37 be shortened, but also the time required for manufacturing the dam member 37 can be shortened. Therefore, the cost of the mold apparatus 14 can be reduced.
- the outermost layer 62 and the innermost layer 63 can be made sufficiently thick, they are hardly affected by the state of the base layer 61.For example, even if the base layer 61 thermally expands, the outermost layer 62 and There is no peeling of the innermost layer 63 and no distortion of the outermost layer 62 and the innermost layer 63. Therefore, the durability of the mold apparatus 14 can be improved.
- the weir member 37 has the base layer 61 and the base layer 61 is formed of a material having high rigidity and toughness, the rigidity and toughness of the weir member 37 can be increased.
- the weir member 37 is composed of a base layer 61, an outermost layer 62, an innermost layer 63, and first and second inclined layers 64.65. It can also be formed of a high material, for example, titanium nitride.
- the base layer 61 is formed of a material having high rigidity and toughness as the first material.
- a material having high heat insulation properties for example, ceramics such as zirconia and alumina Can also be formed.
- the heat insulating property of the weir member 37 can be enhanced, so that the heat of the resin filled in the cavity space C can be suppressed from being dissipated through the weir member 37. Therefore, generation of residual stress in the molded product can be prevented, and the quality of the molded product can be improved.
- the outermost layer 62 and the innermost layer 63 are formed of metal, while the base layer 61 is formed of ceramics. Therefore, in this case, if the base layer 61 and the outermost layer 62 and the innermost layer 63 are directly joined, an unreasonable stress is generated at the joining part due to a temperature change, so that the joining property is poor and the dam member 37 is broken. Warping and the like will occur. Therefore, the first and second inclined layers 64, 65 formed between the base layer 61, the outermost layer 62, and the innermost layer 63 are combined with the base layer 61, the outermost layer 62, and the innermost layer 6, respectively.
- the material constituting the 3 for example, preferably formed of a material Jirukonia and Ji evening down nitride containing at a content of each 5 0 [wt 0/0].
- the first and second inclined layers 64 and 65 are further made to have a multilayer structure, containing zirconia and titanium nitride. The rate can be varied stepwise or continuously.
- FIG. 6 is a sectional view of a first sliding member according to the first embodiment of the present invention.
- 32 is a first sliding member
- 67 is a base layer as a first layer made of a material having predetermined characteristics
- 68 is a second layer made of a material having high wear resistance. It is the outer layer.
- the base layer 67 and the outermost layer 68 are formed by joining adjacent layers by sintering, and a bonding surface S 11 is formed between the base layer 67 and the outermost layer 68. Is formed.
- the base layer 67 is made of a material having high rigidity and toughness as a first material, and which is compatible with the material constituting the main body of the fixed mold 15 (FIG. 2).
- the outermost layer 68 is formed of a material having high wear resistance as the second material. Therefore, when the mold apparatus 14 is repeatedly used, the sliding formed by the outer peripheral surface of the first sliding member 32 is performed. Since the surface is formed on the outermost layer 68, the sliding surface can be prevented from being worn, and the durability of the mold device 14 can be improved.
- the attachment of the first sliding member 32 can be improved.
- the sliding surface composed of the outer peripheral surface of the first sliding member 32 is It is formed of a material having high abrasion properties.
- the hardness of the material forming the sliding surface formed by the inner peripheral surface of the dam member 37 and the sliding force formed by the outer peripheral surface of the first sliding member 32 are determined. It is preferable to make the hardness of the material constituting the moving surface different.
- the innermost layer 63 (FIG. 5) of the weir member 37 is formed of titanium nitride
- the outermost layer 68 of 2 is formed of a material having a lower hardness than titanium nitride.
- the first sliding surface is formed from the inner peripheral surface of the weir member 37 by the sliding surface composed of the outer peripheral surface of the first sliding member 32.
- the first sliding surface is constituted by the sliding surface.
- the hardness difference between the hardness of the material forming the sliding surface formed of the inner peripheral surface of the dam member 37 and the hardness of the material forming the sliding surface formed of the outer peripheral surface of the first sliding member 32 is different. Since it is formed, galling between the dam member 37 and the first sliding member 32 can be prevented.
- the wear is temporarily reduced. Even if it occurs, parts can be easily replaced, so that the mold apparatus 14 can be maintained in a short time.
- FIG. 7 is a sectional view of a first sliding member according to the first embodiment of the present invention.
- 33 is a second sliding member
- 71 is a base layer as a first layer made of a material having predetermined characteristics
- 72 is a second layer made of a material having high wear resistance. It is the inner layer.
- the base layer 71 and the innermost layer 72 are formed by joining adjacent layers by sintering, and a bonding surface S 21 is formed between the base layer 71 and the innermost layer 72. Is formed.
- the base layer 71 is made of a material having high rigidity and toughness as a first material, and which is compatible with the material constituting the main body of the fixed mold 15 (FIG. 2).
- the innermost layer 72 is formed of a material having high wear resistance as the second material. Therefore, when the mold apparatus 14 is repeatedly used, the sliding formed by the inner peripheral surface of the second sliding member 33 is performed. Since the moving surface is formed on the innermost layer 7, the sliding surface can be prevented from being worn, and the durability of the mold device 14 can be improved.
- the attachment of the second sliding member 33 can be improved.
- the hardness of the material forming the sliding surface formed by the outer peripheral surface of the weir member 37 and the hardness of the material forming the sliding surface formed by the inner peripheral surface of the first sliding member 33 are determined.
- the outermost layer 62 of the dam member 37 (FIG. 5) is made of titanium nitride.
- the innermost layer 72 of the second sliding member 33 is formed of a material having a lower hardness than titanium nitride.
- a first sliding surface is constituted by a sliding surface formed of the outer peripheral surface of the dam member 37
- a second sliding surface is constituted by a sliding surface formed of the inner peripheral surface of the second sliding member 33.
- the hardness difference between the hardness of the material forming the sliding surface formed of the outer peripheral surface of the dam member 37 and the hardness of the material forming the sliding surface formed of the inner peripheral surface of the second sliding member 33 is different. Since it is formed, galling between the dam member 37 and the second sliding member 33 can be prevented.
- FIG. 8 is a cross-sectional view showing a state of the compression molding machine according to the first embodiment of the present invention when mold closing is started.
- reference numeral 35 denotes an annular sliding groove
- a sliding portion 132 is a fixed mold as a first mold along a radially inner circumferential surface in the sliding groove 35.
- a ring-shaped weir member 37 for defining the outer periphery ⁇ of the cavity space C is provided in the sliding groove 35 so as to be able to advance and retreat (move left and right in the figure). Accordingly, the outer peripheral surface of the sliding portion 132 constituting the sliding surface and the inner peripheral surface of the dam member 37 are slid.
- a slight gap is formed between the inner peripheral surface of the main body of the fixed mold 15 and the outer peripheral surface of the weir member 37, and the inner peripheral surface of the main body of the fixed mold 15 and the weir member 3 are formed. 7 cannot be slid on the outer peripheral surface.
- the fixed mold 15 and the dam member 37 are manufactured by a spark plasma sintering method.
- the sliding portion 132 and the weir member 37 are formed in the fixed mold 15 as a sintered portion having a predetermined thickness.
- FIG. 9 is a sectional view showing a main part of an injection molding machine according to a third embodiment of the present invention.
- reference numeral 74 denotes a flow path formed in a fixed mold 15 as a first mold, and the flow path 74 is a temperature control water as a temperature control medium supplied from a temperature controller (not shown). And the stationary mold 15 is cooled. Similarly, a flow path (not shown) is formed in the movable die 16 as the second die, temperature-controlled water flows through the flow path, and the movable die 16 is cooled.
- Reference numeral 76 denotes a surface layer formed on the inner peripheral surface of the cavity 17 and having a substantially conical shape, and the surface layer 76 is located at the front end (left end in the figure) of the cavity 17. It comprises a sliding portion 77 formed on the inner peripheral surface and a non-sliding portion 78 other than the sliding portion 77.
- Reference numeral 79 denotes an annular sliding portion formed on the outer peripheral surface of the rear end (left end in the figure) of the core 18.
- the whole of the fixed mold 15 and the movable mold 16 is formed by the discharge plasma sintering method, and the fixed mold 15 and the movable mold 16 are sintered to a predetermined thickness. Unit is configured.
- the sliding portion 77 and the sliding portion 79 with a material having high wear resistance, the sliding surface formed by the inner peripheral surface of the sliding portion 77 and the outer peripheral surface of the sliding portion 79 is formed. Wear can be prevented, and the durability of the mold apparatus 14 can be improved.
- the non-sliding portion 78 with a material having high thermal conductivity, heat of a resin (not shown) as a molding material in the cavity C is transferred to the flow path 74 through the non-sliding portion 78. The resin in the cavity space C can be cooled quickly because it is transmitted well to the temperature control water.
- the surface portion 76 constitutes at least a part of the fixed mold
- the sliding portion 79 constitutes at least a part of the movable mold 16. It is formed as a second mold member. Then, the first and second mold members are set in the fixed mold 15 and the movable mold 16 as nests, respectively. Also, a part of the fixed mold 15 and a part of the movable mold 16 are separated from each other.
- Each of the separated parts and the areas corresponding to the surface layer part 76 and the sliding part 79 are formed by the discharge plasma sintering method, and the separated parts, the surface part 76 and the sliding part 7 are formed.
- a sintered portion having a predetermined thickness can be formed.
- the part and the surface layer part 76 separated in the fixed mold 15 are separately formed in the movable mold 16 as a first mold member constituting at least a part of the fixed mold 15.
- the moved portion and the sliding portion 79 are formed as a second mold member constituting at least a part of the movable mold 16.
- the first and second mold members are set as nests in the fixed mold 15 and the movable mold 16, respectively.
- FIG. 10 is a sectional view showing a main part of an injection molding machine according to a fourth embodiment of the present invention.
- reference numeral 82 denotes a guide groove as a first circular guide formed at a plurality of predetermined locations in a fixed mold 15 as a first mold
- reference numeral 83 denotes a mold for opening and closing the mold.
- the guide rod 83 is buried in the movable mold 16 as the first portion, and the embedded portion 84 as the first portion, and the front end (the right end in the figure) of the movable mold 16 from the front (see FIG. And a sliding portion 85 protruded toward the right side in the drawing and fitted in the guide groove 82.
- the guide rod 83 is manufactured by a discharge plasma sintering method so that the sliding surface composed of the outer peripheral surface of the sliding portion 85 does not wear when the mold device 14 is repeatedly used.
- the sliding surface is formed of a wear-resistant material.
- the guide rod 83 is formed in the movable mold 16 as a sintered portion having a predetermined thickness. Therefore, the sliding surface can be prevented from being worn, and the mold The durability of the device 14 can be improved.
- the buried portion 84 is formed of a material compatible with the main body of the movable mold 16. Therefore, the attachment property of the guide rod 83 to the movable mold 16 can be improved.
- molded products that have a fine pattern on the surface, such as light guide plates that guide light from the incident part to the radiating part, diffraction gratings used to pray light, disk substrates, etc.
- a fifth embodiment of the present invention for forming a mold will be described. Note that the same reference numerals are given to components having the same structure as in the first embodiment, and the description thereof will be omitted. I do.
- FIG. 11 is a cross-sectional view showing a state before starting mold closing of an injection molding machine according to a fifth embodiment of the present invention.
- FIG. 12 is an injection molding machine according to a fifth embodiment of the present invention. It is sectional drawing which shows the state at the time of mold clamping.
- 14 is a mold device
- 15 is a fixed mold as a first mold
- 16 is a movable mold as a second mold
- 15 1 is a receiving plate
- 15 2 is A nested structure as a mold member supported by the receiving plate 151
- 153 is a template disposed around the nested structure 152.
- the nested structure 15 2 covers a base 15 4 as a first nest supported by a receiving plate 15 1, and a front end face (left end face in the figure) of the base 15 4,
- a stamper 15 5 as a second nest, which is detachably attached to the base 15 4, is fixed to the template 15 3 by bolts b 1, and the stamper 15 Equipped with stamper holder 1 56 that attaches 5 to base 15 4.
- a fine pattern (not shown) composed of a plurality of pits is formed on the surface of the stamper 155 facing the movable mold 16. Note that the inner peripheral edge of the stamper 155 is fixed by a stamper holder (not shown).
- the base part 154 is made of a material having predetermined characteristics, and is provided with a main body part 157 constituting a base layer as a first layer, and a predetermined part in front (left side in the figure) of the main body part 157. It is made of a material having another predetermined characteristic, and is made up of 158 contact portions constituting an outermost layer as a second layer. Then, the main body 1 5 7 and the contact portion A coupling surface is formed between the two surfaces.
- the fixed mold 15 and the movable mold 16 are moved.
- a plurality of cavity spaces C are formed with the mold 16.
- the cavity space C is filled with a resin (not shown) as a molding material and cooled, the fine pattern formed on the surface of the stamper 155 is transferred to the resin and the cavity space C is cooled.
- the resin in C becomes a molded product.
- the mold device 14 for molding a disk substrate one circular cavity C having a circular shape is formed between the fixed mold 15 and the movable mold 16.
- the resin in the injection step, the resin is charged into the cavity C in a molten state at a high temperature, and in the cooling step, the resin in the cavity C is cooled sufficiently to be solidified. Therefore, the stamper 155 arranged facing the cavity space C is heated and expanded in the injection process and cooled and contracted in the cooling process under the influence of the heat of the moon. .
- the stamper 155 expands and contracts in each molding cycle, and the rear end face (the right end face in the figure) of the stamper 155 and the front end face of the base 154 constitute a contact surface, and The rear surface of the stamper 155 slides with the front end surface of the base 154.
- the base portion 154 is manufactured by the spark plasma sintering method so that the rear end surface of the stamper 155 and the front end surface of the base portion 154 do not wear due to sliding.
- the base part 154 forms a sintered part having a predetermined thickness.
- the main body part 157 is made of a material having high rigidity and toughness as the first material, for example, SUS304, and the contact part 158 is made of the wear-resistant material as the second material. It is formed of a high material ceramics, for example, titanium nitride (TiN).
- copper instead of the SUS 3 0 4 as the first material (C u), titanium (T i) or using such titanium oxide instead of the titanium nitride as the second material (T I_ ⁇ 2), Boron nitride (BN), zirconium nitride (ZrN), cemented carbide (WC / Co), boron nitride (BN), cubic boron nitride (C BN), Jirukoyua (zirconium oxide Z r 0 2), alumina (oxide Aruminiu beam A 1 2 ⁇ 3), silica (silicon dioxide S i 0 2), titania (titanium dioxide T i 0 2), silicon nitride (S i 3 N 4), chromium oxide (C r O, C r 2 ⁇ 3, C r ⁇ 3), can be used co one mine bets like.
- BN Boron nitride
- ZrN zirconium nitride
- the contact surface consisting of the front end face of the contact portion 158 can be prevented from being worn, and the durability of the mold device 14 can be improved. Can be.
- the contact part 158 can be made sufficiently thick, it is hardly affected by the state of the main body part 157. For example, even if the main body part 157 thermally expands, the contact part 158 There is no peeling or distortion of the contact portion 158. Therefore, the durability of the mold apparatus 14 can be improved.
- the nested structure 152 has a main body 1557 and the main body 1557 is formed of a material having high rigidity and toughness, the rigidity and toughness of the nested structure 152 can be increased. You can also.
- the nested structure 152 includes the main body portion 157 and the contact portion 158, but may be formed of one material having high wear resistance, for example, titanium nitride.
- the main body portion 157 is formed of a material having high rigidity and toughness as the first material, but the main body portion 157 is made of a material having high thermal conductivity. It can also be formed by forming with. In this case, the heat of the resin in the cavity space C is well transmitted to the temperature control water as a temperature control medium in the flow path (not shown) through the contact portion 158 and the main body portion 157. The resin in the space C can be cooled quickly.
- the contact portion 158 may constitute a sintered portion having a predetermined thickness.
- the contact portion 158 is formed as a mold member constituting at least a part of the fixed mold 15.
- the mold member is set in the fixed mold 15 as a nest.
- a part of the main body part 157 is separated, and the separated part and the area corresponding to the contact part 158 are formed.
- the sintered portion having a predetermined thickness can be formed by the portion formed separately by the spark plasma sintering method and the contact portion 158.
- the separate part and the contact part 158 of the fixed mold 15 are formed as a mold member constituting at least a part of the fixed mold 15. Then, the mold member is set in the fixed mold 15 as a nest.
- the main body 157 is formed of metal, while the contact portion 158 is formed of metal. Since it is formed of Lamix, if the main body part 157 and the contact part 158 are directly joined, an unreasonable stress will be generated at the joint part due to temperature change, and the base part 154 will crack, warp, etc. Will occur.
- FIG. 13 is a cross-sectional view showing a state before starting mold closing of an injection molding machine according to a sixth embodiment of the present invention.
- a base portion 154 as a first nest is made of a first material having predetermined characteristics, and a main body portion 157 constituting a base layer as a first layer, and the like.
- the contact portion 158 which is made of the second material having the specified characteristics, and constitutes the outermost layer as the second layer, and is disposed between the main body portion 157 and the contact portion 158.
- a gradient layer 159 constituting an intermediate layer as a third layer.
- the gradient layer 159 contains 50% by weight of first and second materials constituting the main body portion 157 and the contact portion 158, for example, SUS304 and titanium nitride, respectively. It is preferable to use a material containing the same at a predetermined rate. In that case, the main body 1 5 7 and the inclined layer 1 5 9 And the contact between the inclined layer 159 and the contact portion 158 can be improved, so that the main body 157 and the inclined layer 159 can be improved. And the contact portion 15 8 are not peeled off. Therefore, the base 154 does not crack or warp.
- the inclined layer 159 has a further multilayer structure, and the content of SUS304 and titanium nitride is changed stepwise or continuously from the main body portion 157 side to the contact portion 158. You can also.
- the graded layer 1 5 9, SUS 3 0 4 and titanium nitride were, 9 0, 1 0 layer contained at a content of [weight 0/0], 8 0, 2 0 layer contained in containing chromatic ratio of [the weight 0/0], 7 0, 3 0 layer contained at a content of [weight 0/0] 6 0, 4 0 content of [weight 0/0] in the layer to be contained, 5 0, 5 0 layer contained at a content of [weight 0/0] 4 0, 6 0 layer contained at a content of [weight 0/0], 3 0, 7 0 layer contained at a content of [weight 0/0], 2 0, the layers contained at a content of 8 0 [wt 0/0], 1 0, 9 0 content of [weight 0/0] And a layer containing:
- the bonding property between the base layer and the outermost layer can be further improved.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003301421A AU2003301421A1 (en) | 2002-10-17 | 2003-10-17 | Metal mold device, method of manufacturing the metal mold device, molding method, molded product, and molding machine |
US10/531,093 US20060051453A1 (en) | 2002-10-17 | 2003-10-17 | Metal mold device method of manufacturing the metal mold device . molding method molded product and molding machine |
JP2004544977A JPWO2004035285A1 (ja) | 2002-10-17 | 2003-10-17 | 金型装置及びその製造方法、成形方法、成形品並びに成形機 |
EP03756666A EP1563976A4 (en) | 2002-10-17 | 2003-10-17 | METAL MOLDING DEVICE, METHOD FOR PRODUCING THE METAL MOLDING DEVICE, METHOD FORMING, MOLDING AND MOLDING MACHINE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2002303293 | 2002-10-17 | ||
JP2002-303293 | 2002-10-17 |
Publications (1)
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WO2004035285A1 true WO2004035285A1 (ja) | 2004-04-29 |
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Family Applications (1)
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PCT/JP2003/013295 WO2004035285A1 (ja) | 2002-10-17 | 2003-10-17 | 金型装置及びその製造方法、成形方法、成形品並びに成形機 |
Country Status (8)
Country | Link |
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US (1) | US20060051453A1 (ja) |
EP (1) | EP1563976A4 (ja) |
JP (1) | JPWO2004035285A1 (ja) |
KR (1) | KR100566077B1 (ja) |
CN (1) | CN100415476C (ja) |
AU (1) | AU2003301421A1 (ja) |
TW (1) | TWI230119B (ja) |
WO (1) | WO2004035285A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI252151B (en) * | 2003-07-25 | 2006-04-01 | Hon Hai Prec Ind Co Ltd | The cavity and injection mold of light guide plate |
US20050116387A1 (en) * | 2003-12-01 | 2005-06-02 | Davison Peter A. | Component packaging apparatus, systems, and methods |
ITTO20040697A1 (it) * | 2004-10-11 | 2005-01-11 | Incos Spa | Apparecchiatura e procedimento per lo stampaggio mediante inietto-compressione di articoli di materia plastica a due componenti |
WO2006123703A1 (ja) * | 2005-05-19 | 2006-11-23 | Sumitomo Heavy Industries, Ltd. | ディスク成形用金型、その製造方法及び金型部品 |
JP5791950B2 (ja) * | 2011-04-25 | 2015-10-07 | セーラー万年筆株式会社 | 金型及び筆記用具の製造方法 |
JP6178628B2 (ja) * | 2013-06-05 | 2017-08-09 | 神戸セラミックス株式会社 | 断熱金型及びその製造方法 |
CN106903845A (zh) * | 2015-12-22 | 2017-06-30 | 天津亿阔金属制品有限公司 | 一种用于注塑成型的设备 |
CN116748486B (zh) * | 2023-06-19 | 2024-04-05 | 永康市凯茗工贸有限公司 | 一种铝合金结构件压铸模具 |
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- 2003-10-16 KR KR1020030072162A patent/KR100566077B1/ko not_active IP Right Cessation
- 2003-10-17 US US10/531,093 patent/US20060051453A1/en not_active Abandoned
- 2003-10-17 JP JP2004544977A patent/JPWO2004035285A1/ja active Pending
- 2003-10-17 EP EP03756666A patent/EP1563976A4/en not_active Withdrawn
- 2003-10-17 WO PCT/JP2003/013295 patent/WO2004035285A1/ja active Application Filing
- 2003-10-17 AU AU2003301421A patent/AU2003301421A1/en not_active Abandoned
- 2003-10-17 CN CNB2003801015979A patent/CN100415476C/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
KR20040034500A (ko) | 2004-04-28 |
CN100415476C (zh) | 2008-09-03 |
TWI230119B (en) | 2005-04-01 |
CN1705548A (zh) | 2005-12-07 |
AU2003301421A1 (en) | 2004-05-04 |
EP1563976A4 (en) | 2009-04-22 |
EP1563976A1 (en) | 2005-08-17 |
US20060051453A1 (en) | 2006-03-09 |
KR100566077B1 (ko) | 2006-03-30 |
TW200406295A (en) | 2004-05-01 |
JPWO2004035285A1 (ja) | 2006-02-09 |
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