CN113246344A - Preparation method of injection mold containing conformal water channel - Google Patents
Preparation method of injection mold containing conformal water channel Download PDFInfo
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- CN113246344A CN113246344A CN202110721485.3A CN202110721485A CN113246344A CN 113246344 A CN113246344 A CN 113246344A CN 202110721485 A CN202110721485 A CN 202110721485A CN 113246344 A CN113246344 A CN 113246344A
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- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000000498 cooling water Substances 0.000 claims abstract description 54
- 238000001816 cooling Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 16
- 238000005457 optimization Methods 0.000 claims abstract description 6
- 238000005429 filling process Methods 0.000 claims abstract description 4
- 238000013433 optimization analysis Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 56
- 238000012544 monitoring process Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 14
- 239000000110 cooling liquid Substances 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000002826 coolant Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005206 flow analysis Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
- B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
-
- 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
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3835—Designing moulds, e.g. using CAD-CAM
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a preparation method of an injection mold containing a conformal water channel, which comprises the following steps: s1, firstly, according to a NXUG mould three-dimensional model, according to optimization analysis of a mould filling process and a cooling process, designing a conformal cooling water channel with a proper diameter at a proper distance along the surface of the inner wall of a mould core, obtaining the conformal cooling water channel after mould optimization, and then obtaining a mould model containing the conformal cooling water channel, wherein the distance between the conformal cooling water channel and the mould surface is larger than the diameter of a water channel pipeline, the distance between the conformal cooling water channels is larger than the diameter of the conformal cooling water channel, the distance between the conformal cooling water channel and the mould surface is 1-2 times of the diameter of the conformal cooling water channel, and the distance between the conformal cooling water channels is 3-5 times of the diameter of the conformal cooling water channel. According to the invention, the injection molding cooling time is reduced by 20-80%, and the deformation is reduced by 15-85%; the surface forming quality of the product is ensured, and the mechanical property is enhanced.
Description
Technical Field
The invention relates to the technical field of mold manufacturing, in particular to a preparation method of an injection mold with a conformal water channel.
Background
In the production and manufacturing process of the injection mold, the most critical is the cooling process of the plastic part. Because cooling is a major factor affecting the performance of the article and the cooling time for the formation of the article is greater than 2/3 for the entire forming cycle. If the cooling is not uniform, the cooling efficiency is low, and the shrinkage rate of each part of the product is different, thereby causing warpage, shrinkage, and the like of the product. Further resulting in poor molding quality and possibly premature mechanical failure of the article. Thus, it is necessary to shorten the cooling time to improve the molding quality and the production efficiency.
For complex high-precision mold cooling, the traditional straight flow channel cannot ensure uniform cooling of the mold cavity part, if the cooling water channel is long, a deep drilling process technology is additionally required, the processing becomes more complex, and the addition of the cooling water channel can also cause increase of deformation.
The invention adopts the conformal cooling technology, and applies the technology on a complex mould, thereby not only getting rid of the defect of uneven cooling caused by the traditional manufacture, but also having equal distance from the central line of the conformal cooling water channel to the inner wall of the cavity, better cooling effect, being capable of improving the quality of the plastic part and having high production efficiency. Meanwhile, with the mature development of the 3D printing technology, a mold containing a conformal cooling water channel can be better processed, the injection molding cooling time is reduced by 20% -80%, and the deformation is reduced by 15% -85%.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a preparation method of an injection mold containing a conformal water channel.
The invention provides a preparation method of an injection mold containing a conformal water channel, which comprises the following steps:
s1, firstly, according to an NX UG mould three-dimensional model, according to optimization analysis of a mould filling process and a cooling process, designing a conformal cooling water channel with a proper diameter at a proper distance along the surface of the inner wall of a mould core to obtain the conformal cooling water channel after mould optimization, and then obtaining a mould model containing the conformal cooling water channel, wherein the distance between the conformal cooling water channel and the mould surface is greater than the diameter of a water channel pipeline, the distance between the conformal cooling water channels is greater than the diameter of the conformal cooling water channel, the distance between the conformal cooling water channels and the mould surface is 1-2 times of the diameter of the conformal cooling water channel, and the distance between the conformal cooling water channels is 3-5 times of the diameter of the conformal cooling water channel;
s2, adopting SLM technology to 3D print the mould containing the conformal cooling water channel, and then processing the mould.
Optionally, a die temperature test process is further included;
s301, heating the die for cooling test;
s302, fixing the core of the mold, and installing a temperature monitoring control system to monitor the temperature of the core wall surface corresponding to the water inlet and the water outlet and the central wall surface of the core, wherein the monitored water inlet, the monitored water outlet and the central wall surface of the core are positioned on the same side of the core;
and S303, connecting the water supply system with the water inlet and the water outlet, and after the connection is finished, supplying water by the water supply system.
Optionally, the core in S302 is fixed by a bolt passing through a screw hole positioning hole on the core and connected to a screw hole on a first angle steel, the first angle steel is connected to the aluminum profile through a second angle steel, and the aluminum profile is connected to the operating table, so that the core is fixed.
Optionally, the temperature monitoring control system includes 3K type thermocouple temperature sensors, a transmitting unit, an ADC acquisition unit, and an LCD display, where the K type thermocouple temperature sensors are in contact with the wall of the core, the transmitting unit converts the temperature voltage signal of the K type thermocouple temperature sensors into a digital signal, and the ADC acquisition unit acquires the digital signal and finally displays the digital signal on the LCD display.
Optionally, the temperature monitoring control system further comprises a computer, wherein Arduino is installed in the computer, the transmitting unit carries out data compiling processing on the acquired digital signals in Arduino IDE compiling environment, and the acquired digital signals are exported to origin software to draw a temperature time-varying curve graph and are displayed on the computer.
Optionally, water supply system includes miniature direct current electric water pump, PWM control panel, inlet tube, outlet pipe, coolant liquid bucket and cooling waste liquid bucket, the inlet tube is used for connecting water inlet and coolant liquid bucket, miniature direct current electric water pump is located the inlet tube paragraph between water inlet and the coolant liquid bucket, the PWM control panel is used for the control of miniature direct current electric water pump, through going out water piping connection between cooling waste liquid bucket and the delivery port.
Optionally, the flow rate of the cooling liquid of the water supply system is 5 m/s-15 m/s, and the temperature of the cooling liquid is 8 ℃.
Optionally, the step S2 is to process the mold to coat the PVD coating on the surface of the mold.
Optionally, the temperature monitoring control system further comprises a support, and a plurality of through holes for the penetration and fixation of the K-type thermocouple temperature sensor are formed in the support.
Compared with the prior art, the invention has the following beneficial effects:
according to the preparation method of the injection mold containing the conformal water channel, the conformal cooling water channel with the proper diameter is designed at the proper distance along the surface of the inner wall of the mold core according to the NX UG three-dimensional model of the mold and the optimization analysis of the filling process and the cooling process of the mold, so that the distance between the central line of the water channel and the inner wall of the mold cavity is ensured to be equal, the cooling of each part of a product is more uniform, the temperature is uniformly distributed, the residual stress is effectively reduced, according to different shapes of the plastic parts, the distance between the conformal cooling water channel and the mold is optimized through the optimization design of the diameter of the conformal cooling water channel and the optimization design of the distance between the conformal cooling water channels, the injection molding cooling time is reduced by 20-80%, and the deformation is reduced by 15-85%; the surface forming quality of the product is ensured, the mechanical property is enhanced, and the 3D printing technology is adopted, so that the mould containing the conformal cooling water channel can be better processed.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the overall structure of the testing device of the present invention.
FIG. 2 is a schematic view of the mold core structure of the present invention.
FIG. 3 is a schematic view of a core structure incorporating conformal waterways in accordance with the present invention.
FIG. 4 is a schematic structural diagram of a conformal cooling water channel.
In the figure:
1. the cooling device comprises an aluminum profile, 2, a PWM control panel, 3, a cooling liquid barrel, 4, a cooling waste liquid barrel, 5, a water inlet pipe, 6, a water outlet pipe, 7, first angle steel, 8, second angle steel, 9, a mold core, 10, a support, 11, a K-type thermocouple temperature sensor, 12, a screw hole positioning hole, 13, a conformal cooling water channel, 14, a computer, 15, an LCD display, 16, a transmitting unit and an ADC acquisition unit.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Examples
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, in the method for manufacturing an injection mold with a conformal water channel in the embodiment, a three-dimensional model of an NX UG mold is firstly formed. The mold is subjected to Moldflow mold flow analysis to obtain the filling and cooling processes of the plastic part and the temperature data of the wall surface of the mold, ANSYS Fluent-solid coupling analysis is then carried out, a water inlet and a water outlet of the conformal cooling water channel along the surface of the mold are arranged at proper positions of the mold model to obtain the conformal cooling water channel model of the mold, and the specific design scheme is that the distance between the conformal cooling water channel 13 and the surface of the mold is larger than the diameter (d) of the cooling water channel, and the distance between the conformal cooling water channels 13 is larger than the diameter (d) of the conformal cooling water channel 13. The distance (L1) between the conformal cooling water channels 13 and the surface of the mold is 1-2 times of the diameter (d) of the conformal cooling water channels 13, namely L1 is (1-2) d, and the distance (L2) between the conformal cooling water channels 13 is 3-5 times of the diameter (d) of the conformal cooling water channels 13, namely L2 is (3-5) d. The cooling time of injection molding can be reduced by 20-80% according to different shapes of the plastic parts, and the deformation can be reduced by 15-85%. And obtaining a temperature cloud picture and a velocity vector distribution picture of the mold, and then adopting an SLM (selective laser melting) process to print the mold containing the conformal cooling water channel in a 3D mode according to a simulation optimization result. And then, a PVD coating is added on the surface of the die to obtain a high-temperature-resistant, wear-resistant and high-strength reinforced layer material. The method comprises the steps of preserving heat of a mold in advance, namely heating, wherein the temperature is increased to 50 ℃ in the embodiment, then controlling a micro direct current electric water pump through a PWM control panel 2 to achieve the purpose of adjusting the rotating speed, controlling the flow rate of cooling liquid (5-15 m/s), controlling the temperature of the cooling liquid to be 8 ℃, injecting water into the mold for cooling, fixing a mold core 9 of the mold in the embodiment, then performing a cooling test, and monitoring the temperature of the mold core wall surface corresponding to a water inlet and a water outlet and the position of the mold core center wall surface through a temperature monitoring control system, wherein the monitored water inlet, water outlet and the mold core center wall surface are positioned on the same side of the mold core. The temperature monitoring control system selects the K-type thermocouple temperature sensor 11 with high measurement precision and small probe diameter, and the probe of the K-type thermocouple temperature sensor 11 is contacted with the die by the support 10. A signal transmission route is arranged at an irrelevant position of the support 10, the K-type thermocouple temperature sensor 11 is connected with a transmitting unit, the transmitting unit MAX6675 is adopted in the embodiment and then transmitted to an ADC (analog to digital converter) acquisition unit for data acquisition, in the embodiment, the Arduino uno 3 ADC acquisition unit is adopted, a voltage signal of the K-type thermocouple temperature sensor 11 is converted into a digital signal through the transmitting unit MAX6675, data compiling processing is carried out under an Arduino IDE compiling environment, the digital signal is displayed by an LCD (liquid crystal display) 15, and then the digital signal is led out to origin software for drawing a temperature time-varying curve graph.
The application of the K-type thermocouple temperature sensor 11 in the mold testing process shortens the time of mold testing and machine testing, the PWM control plate 2 controls the flow rate and the temperature of the cooling liquid, and the temperature change characteristic of the hot end of the transmitting unit MAX6675 is accurately monitored, so that the result is accurate and reliable. The automatic temperature monitoring in the forming process is realized, the forming process is optimized, the production and manufacturing cost is reduced and the yield is improved for actual mass production.
The mold testing process described in the above embodiments uses a temperature monitoring control system and a water supply system;
the temperature monitoring control system comprises 3K-type thermocouple temperature sensors 11, a transmitting unit, an ADC (analog to digital converter) acquisition unit 16 (namely, the transmitting unit and the ADC acquisition unit are integrated in a shell), and an LCD (liquid crystal display) 15, wherein the transmitting unit converts temperature and voltage signals of the K-type thermocouple temperature sensors 11 into digital signals, and the ADC acquisition unit acquires the digital signals and finally displays the digital signals on the LCD 15.
The temperature monitoring and controlling system also comprises a computer 14, wherein Arduino is installed in the computer 14, and the transmitting unit carries out data compiling processing on the acquired digital signals in an Arduino IDE compiling environment, and the digital signals are led out to origin software to draw a temperature time-varying curve graph and are displayed on the computer 14;
the temperature monitoring and controlling system also comprises a bracket 10, wherein the bracket 10 is provided with a plurality of through holes for the penetration and fixation of the K-type thermocouple temperature sensor 11;
water supply system includes temperature monitoring control system, PWM control panel 2, inlet tube 5, outlet pipe 6, coolant liquid bucket 3 and cooling waste liquid bucket 4, inlet tube 5 is used for connecting water inlet and coolant liquid bucket 3, miniature direct current electric water pump is located the inlet tube paragraph between water inlet and the coolant liquid bucket 3, in this embodiment, miniature direct current electric water pump is located the inside of coolant liquid bucket 3, PWM control panel 2 is used for the control of miniature direct current electric water pump, connect through outlet pipe 6 between cooling waste liquid bucket 4 and the delivery port.
In practical application, the temperature uniformity of the surface of a mold cavity is better, the use of the K-type thermocouple temperature sensor 11 shortens the time of mold testing and machine testing, the flow rate of cooling liquid is controlled through the PWM control panel, and the temperature change characteristic of the hot end of the transmitting unit MAX6675 is accurately monitored, so that the result is accurate and reliable. The device may also be used in a mold for injection molding of different materials.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (9)
1. A preparation method of an injection mold containing a conformal water channel is characterized by comprising the following steps:
s1, firstly, according to an NX UG mould three-dimensional model, according to optimization analysis of a mould filling process and a cooling process, designing a conformal cooling water channel with a proper diameter at a proper distance along the surface of the inner wall of a mould core to obtain the conformal cooling water channel after mould optimization, and then obtaining a mould model containing the conformal cooling water channel, wherein the distance between the conformal cooling water channel and the mould surface is greater than the diameter of a water channel pipeline, the distance between the conformal cooling water channels is greater than the diameter of the conformal cooling water channel, the distance between the conformal cooling water channels and the mould surface is 1-2 times of the diameter of the conformal cooling water channel, and the distance between the conformal cooling water channels is 3-5 times of the diameter of the conformal cooling water channel;
s2, adopting SLM technology to 3D print the mould containing the conformal cooling water channel, and then processing the mould.
2. The method for preparing the injection mold with the conformal water channel according to claim 1, further comprising a mold temperature testing process;
s301, heating the die for cooling test;
s302, fixing the core of the mold, and installing a temperature monitoring control system to monitor the temperature of the core wall surface corresponding to the water inlet and the water outlet and the central wall surface of the core, wherein the monitored water inlet, the monitored water outlet and the central wall surface of the core are positioned on the same side of the core;
and S303, connecting the water supply system with the water inlet and the water outlet, and after the connection is finished, supplying water by the water supply system.
3. The method for preparing the injection mold with the conformal water channel according to claim 2, wherein the core in the step S302 is fixed by a bolt which passes through a screw hole positioning hole on the core and is connected with a threaded hole on a first angle steel, the first angle steel is connected with an aluminum profile through a second angle steel, and the aluminum profile is connected on an operation table, so that the core is fixed.
4. The method for preparing an injection mold with a conformal water channel according to claim 1, wherein the temperature monitoring and controlling system comprises 3K-type thermocouple temperature sensors, a transmitting unit, an ADC (analog to digital converter) collecting unit and an LCD (liquid crystal display), the K-type thermocouple temperature sensors are in contact with the wall surface of the core, the transmitting unit converts temperature and voltage signals of the K-type thermocouple temperature sensors into digital signals, and the ADC collecting unit collects the digital signals and finally displays the digital signals on the LCD.
5. The method for preparing an injection mold with a conformal water channel according to claim 1, wherein the temperature monitoring and controlling system further comprises a computer, wherein Arduino is installed in the computer, and the transmitting unit carries out data compiling processing on the acquired digital signals in an Arduino IDE compiling environment, and then the digital signals are exported to origin software for drawing a temperature-time change curve graph and displaying the curve graph on the computer.
6. The method for preparing an injection mold with a conformal water channel according to claim 1, wherein the water supply system comprises a micro direct current electric water pump, a PWM control panel, a water inlet pipe, a water outlet pipe, a cooling liquid barrel and a cooling waste liquid barrel, the water inlet pipe is used for connecting the water inlet with the cooling liquid barrel, the micro direct current electric water pump is arranged on a water inlet pipe section between the water inlet and the cooling liquid barrel, the PWM control panel is used for controlling the micro direct current electric water pump, and the cooling waste liquid barrel is connected with the water outlet through the water outlet pipe.
7. The method for preparing an injection mold with a conformal water channel according to claim 6, wherein the flow rate of the cooling liquid of the water supply system is 5m/s to 15m/s, and the temperature of the cooling liquid is 8 ℃.
8. The method for preparing an injection mold with a conformal water channel according to claim 1, wherein the step S2 is to process the mold to coat the surface of the mold with PVD coating.
9. The method for preparing the injection mold with the conformal water channel according to claim 4, wherein the temperature monitoring and controlling system further comprises a support, and a plurality of through holes for the K-type thermocouple temperature sensor to penetrate and fix are formed in the support.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110721485.3A CN113246344A (en) | 2021-06-28 | 2021-06-28 | Preparation method of injection mold containing conformal water channel |
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| CN202110721485.3A CN113246344A (en) | 2021-06-28 | 2021-06-28 | Preparation method of injection mold containing conformal water channel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474634A (en) * | 2022-01-19 | 2022-05-13 | 武汉轻工大学 | Optimized design of cooling system of round cover injection mold |
| CN114474636A (en) * | 2022-02-11 | 2022-05-13 | 武汉轻工大学 | Combined cooling system of injection mold |
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| CN104129050A (en) * | 2014-06-30 | 2014-11-05 | 华南理工大学 | Injection mould with specially-shaped conformal cooling water channel and manufacturing method thereof |
| CN105599178A (en) * | 2016-01-11 | 2016-05-25 | 西安交通大学 | Light curing injection mold cores and manufacturing method thereof |
| CN106003625A (en) * | 2016-05-24 | 2016-10-12 | 湖北工业大学 | Enhanced heat transfer optimization design method of conformal cooling water channel of steel injection mold |
| CN108407222A (en) * | 2018-05-09 | 2018-08-17 | 苏州华纳精密模具有限公司 | A kind of water route containing conformal cooling mold cores mold insert |
| CN110076974A (en) * | 2019-04-18 | 2019-08-02 | 甘肃机电职业技术学院 | The design method of injection mold conformal cooling channel based on increases material manufacturing technology |
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2021
- 2021-06-28 CN CN202110721485.3A patent/CN113246344A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104129050A (en) * | 2014-06-30 | 2014-11-05 | 华南理工大学 | Injection mould with specially-shaped conformal cooling water channel and manufacturing method thereof |
| CN105599178A (en) * | 2016-01-11 | 2016-05-25 | 西安交通大学 | Light curing injection mold cores and manufacturing method thereof |
| CN106003625A (en) * | 2016-05-24 | 2016-10-12 | 湖北工业大学 | Enhanced heat transfer optimization design method of conformal cooling water channel of steel injection mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114474634A (en) * | 2022-01-19 | 2022-05-13 | 武汉轻工大学 | Optimized design of cooling system of round cover injection mold |
| CN114474636A (en) * | 2022-02-11 | 2022-05-13 | 武汉轻工大学 | Combined cooling system of injection mold |
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