CN105365173A - Quick thermoplastic forming process - Google Patents
Quick thermoplastic forming process Download PDFInfo
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- CN105365173A CN105365173A CN201510911986.2A CN201510911986A CN105365173A CN 105365173 A CN105365173 A CN 105365173A CN 201510911986 A CN201510911986 A CN 201510911986A CN 105365173 A CN105365173 A CN 105365173A
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- 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
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/02—Making preforms by dividing preformed material, e.g. sheets, rods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7337—Heating or cooling of the mould using 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
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76732—Mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a quick thermoplastic forming process which comprises the following steps of pre-treating, plastifying, injecting, pressure maintaining, cooling, mould opening, picking-up, mould closing and the like. Compared with a conventional injection-molding process, the quick thermoplastic forming process adopts a dynamic mould temperature control strategy, so that a mould cavity can be filled with plastic melt at a relatively high mould temperature, thereby greatly improving flow behaviors of the plastic melt, greatly improving compaction feeding effect of pressure maintaining and greatly improving quality of an injection-molded product.
Description
Technical field
The present invention relates to injection molding technology field, particularly relate to the molded technique of a kind of Rapid Thermal.
Background technology
Along with developing rapidly of plastics industry, plastic products are widely used in all trades and professions, penetrate into the various aspects of people's productive life.Injection moulding, as one of forming method important in plastic processing, is all widely used in the every field of national economy.But along with plastic products application increasingly extensive, people have higher requirement to plastic products precision, shape, function, cost etc., and traditional injection molding technique has been difficult to adapt to this requirement.How to obtain high-quality plastic and become in engineering the problem needing urgent solution.
Summary of the invention
The object of the invention is to solve the shortcoming existed in prior art, and the molded technique of a kind of Rapid Thermal proposed.
To achieve these goals, present invention employs following technical scheme:
The present invention proposes the molded technique of a kind of Rapid Thermal, comprise the steps:
S1, by injection molding waste model be the plastic crusher of SAIKO – 450 to pulverize in the rotating speed of 3000min/r, be that the sieve of 0.35-0.6mm screens waste material pulverized particles by sieve diameter, filter out satisfactory waste granules for subsequent use;
S2, take satisfactory waste granules 20-30 part and thermoplastic feed particles 70-80 part in step S1, carry out proportioning by weight and form mixed material, mixed material by automatic feeding mechanism to enter specifications and models be WH-A-12 and power be 45KW vacuum drying chamber in dry 2-5 hour with 80-112 DEG C, make its humidity be less than 0.05%;
Before S3, beginning injection moulding, mould is fixed on injection machine, adopts heater to carry out preheating to mould before matched moulds, mold preheating temperature is 80-90 DEG C, and injector barrel plastic melt temperature range is set as 220-240 DEG C;
When S4, matched moulds, be 150-170 DEG C by temperature, pressure is that the high-temperature steam of 0.15-0.3MPa is by the irregular water channel after optimization, transient heating is carried out to 100-120 DEG C to mould, mixed material enters barrel from the hopper of injector, plastify into viscous state melt through heating and melting and bolt rotary, after inject mold cavity by under the promotion of screw rod by nozzle;
S5, after matched moulds completes, injector is injected mould, die sinking signal is provided by injection moulding machine, 2T steam boiler conveying high-temperature steam enters in mould steam pipework, now the force value of steam pressure is 10-15MPa, vapor (steam) temperature is 160-170 DEG C, filling steaming time is 12-18s, ensure that mold temperature to reach between 120-145 DEG C and to utilize steam to keep, signal feedback is allowed plastic injection to injection moulding machine simultaneously, plastic melt enters mold cavity, after injection moulding completes, 2T steam boiler stops supply steam, compressed air enters in mould steam pipework simultaneously, now compressed air pressure is 8MPa, remove because steam thermal energy discharges the condensed water produced, and reclaim,
When S6, cooling stage, adopt 4-10 DEG C of cold water high speed injection cooling water controlling of die heater, cool time 40-60s; Cool in backward mould water channel and be blown into the air that temperature is 25-30 DEG C, by the cold water blowout mould in mould water channel, so that next injection cycle is normally carried out;
After S7, die sinking, mould air blowing road carries out cleaning impurity and dry process with the air pressure of 0.2-0.4Mpa to mould automatically.
Preferably, described injection machine is BaByplast6/10p miniature injection machine.
Preferably, described die heater is the dual-purpose die heater of TERMOTCHPLUS type profit, and use water or oil to regulate mold temperature, this machine cools through indirect heat exchange with mould oil return or water, after electric heating tube, be forced into mould by hydraulic pump.
Preferably, described thermoplastic raw material is polymethyl methacrylate (PMMA) or acrylonitrile-butadiene-styrene copolymer (ABS) or polyamide (PA).
The molded technique of a kind of Rapid Thermal provided by the invention, compared with prior art, the present invention is the molded technique of a kind of Rapid Thermal, compare with traditional Shooting Technique, rapid thermal cycles Shooting Technique have employed dynamic die temperance control strategy, makes plastic melt at higher mould temperature retrofilling die cavity, thus can substantially improve the flow behavior of plastic melt, also drastically increase the compacting feeding effect of pressurize simultaneously, thus greatly improve the quality of Injection moulded part.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with specific embodiment, the present invention is further elaborated.Specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
The molded technique of a kind of Rapid Thermal, comprises the steps:
S1, by injection molding waste model be the plastic crusher of SAIKO – 450 to pulverize in the rotating speed of 3000min/r, be that the sieve of 0.35mm screens waste material pulverized particles by sieve diameter, filter out satisfactory waste granules for subsequent use;
S2, take satisfactory waste granules 30 parts and polymethyl methacrylate (PMMA) particle 80 parts in step S1, carry out proportioning by weight and form mixed material, mixed material by automatic feeding mechanism to enter specifications and models be WH-A-12 and power be 45KW vacuum drying chamber in dry 5 hours with 112 DEG C, make its humidity be less than 0.05%;
Before S3, beginning injection moulding, mould is fixed on injection machine, and injection machine is BaByplast6/10p miniature injection machine, adopts heater to carry out preheating to mould before matched moulds, mold preheating temperature is 90 DEG C, and injector barrel plastic melt temperature range is set as 240 DEG C;
When S4, matched moulds, it is 170 DEG C by temperature, pressure is that the high-temperature steam of 0.3MPa is by the irregular water channel after optimization, transient heating to 120 DEG C is carried out to mould, mixed material enters barrel from the hopper of injector, plastify into viscous state melt through heating and melting and bolt rotary, after inject mold cavity by under the promotion of screw rod by nozzle;
S5, after matched moulds completes, injector is injected mould, die sinking signal is provided by injection moulding machine, 2T steam boiler conveying high-temperature steam enters in mould steam pipework, now the force value of steam pressure is 15MPa, vapor (steam) temperature is 170 DEG C, filling steaming time is 18s, ensure that mold temperature to reach between 145 DEG C and to utilize steam to keep, signal feedback is allowed plastic injection to injection moulding machine simultaneously, plastic melt enters mold cavity, after injection moulding completes, 2T steam boiler stops supply steam, compressed air enters in mould steam pipework simultaneously, now compressed air pressure is 8MPa, remove because steam thermal energy discharges the condensed water produced, and reclaim,
When S6, cooling stage, adopt 10 DEG C of cold water high speed injection cooling waters that die heater controls, cool time 60s, die heater is the dual-purpose die heater of TERMOTCHPLUS type profit, water or oil is used to regulate mold temperature, this machine cools through indirect heat exchange with mould oil return or water, after electric heating tube, be forced into mould by hydraulic pump; Cool in backward mould water channel and be blown into the air that temperature is 30 DEG C, by the cold water blowout mould in mould water channel, so that next injection cycle is normally carried out;
After S7, die sinking, mould air blowing road carries out cleaning impurity and dry process with the air pressure of 0.4Mpa to mould automatically.
Embodiment 2
The molded technique of a kind of Rapid Thermal, comprises the steps:
S1, by injection molding waste model be the plastic crusher of SAIKO – 450 to pulverize in the rotating speed of 3000min/r, be that the sieve of 0.45mm screens waste material pulverized particles by sieve diameter, filter out satisfactory waste granules for subsequent use;
S2, take satisfactory waste granules 20 parts and acrylonitrile-butadiene-styrene copolymer (ABS) particle 80 parts in step S1, carry out proportioning by weight and form mixed material, mixed material by automatic feeding mechanism to enter specifications and models be WH-A-12 and power be 45KW vacuum drying chamber in dry 2 hours with 100 DEG C, make its humidity be less than 0.04%;
Before S3, beginning injection moulding, mould is fixed on injection machine, and injection machine is BaByplast6/10p miniature injection machine, adopts heater to carry out preheating to mould before matched moulds, mold preheating temperature is 90 DEG C, and injector barrel plastic melt temperature range is set as 220 DEG C;
When S4, matched moulds, it is 160 DEG C by temperature, pressure is that the high-temperature steam of 0.2MPa is by the irregular water channel after optimization, transient heating to 105 DEG C is carried out to mould, mixed material enters barrel from the hopper of injector, plastify into viscous state melt through heating and melting and bolt rotary, after inject mold cavity by under the promotion of screw rod by nozzle;
S5, after matched moulds completes, injector is injected mould, die sinking signal is provided by injection moulding machine, 2T steam boiler conveying high-temperature steam enters in mould steam pipework, now the force value of steam pressure is 10MPa, vapor (steam) temperature is 160 DEG C, filling steaming time is 12s, ensure that mold temperature to reach between 120 DEG C and to utilize steam to keep, signal feedback is allowed plastic injection to injection moulding machine simultaneously, plastic melt enters mold cavity, after injection moulding completes, 2T steam boiler stops supply steam, compressed air enters in mould steam pipework simultaneously, now compressed air pressure is 8MPa, remove because steam thermal energy discharges the condensed water produced, and reclaim,
When S6, cooling stage, adopt 4 DEG C of cold water high speed injection cooling waters that die heater controls, cool time 40s, die heater is the dual-purpose die heater of TERMOTCHPLUS type profit, water or oil is used to regulate mold temperature, this machine cools through indirect heat exchange with mould oil return or water, after electric heating tube, be forced into mould by hydraulic pump; Cool in backward mould water channel and be blown into the air that temperature is 22 DEG C, by the cold water blowout mould in mould water channel, so that next injection cycle is normally carried out;
After S7, die sinking, mould air blowing road carries out cleaning impurity and dry process with the air pressure of 0.2Mpa to mould automatically.
Embodiment 3
The molded technique of a kind of Rapid Thermal, comprises the steps:
S1, by injection molding waste model be the plastic crusher of SAIKO – 450 to pulverize in the rotating speed of 3000min/r, be that the sieve of 0.6mm screens waste material pulverized particles by sieve diameter, filter out satisfactory waste granules for subsequent use;
S2, take satisfactory waste granules 23 parts and polyamide (PA) particle 77 parts in step S1, carry out proportioning by weight and form mixed material, mixed material by automatic feeding mechanism to enter specifications and models be WH-A-12 and power be 45KW vacuum drying chamber in dry 3 hours with 110 DEG C, make its humidity be less than 0.035%;
Before S3, beginning injection moulding, mould is fixed on injection machine, and injection machine is BaByplast6/10p miniature injection machine, adopts heater to carry out preheating to mould before matched moulds, mold preheating temperature is 90 DEG C, and injector barrel plastic melt temperature range is set as 236 DEG C;
When S4, matched moulds, it is 170 DEG C by temperature, pressure is that the high-temperature steam of 0.25MPa is by the irregular water channel after optimization, transient heating to 120 DEG C is carried out to mould, mixed material enters barrel from the hopper of injector, plastify into viscous state melt through heating and melting and bolt rotary, after inject mold cavity by under the promotion of screw rod by nozzle;
S5, after matched moulds completes, injector is injected mould, die sinking signal is provided by injection moulding machine, 2T steam boiler conveying high-temperature steam enters in mould steam pipework, now the force value of steam pressure is 15MPa, vapor (steam) temperature is 155 DEG C, filling steaming time is 18s, ensure that mold temperature to reach between 120 DEG C and to utilize steam to keep, signal feedback is allowed plastic injection to injection moulding machine simultaneously, plastic melt enters mold cavity, after injection moulding completes, 2T steam boiler stops supply steam, compressed air enters in mould steam pipework simultaneously, now compressed air pressure is 8MPa, remove because steam thermal energy discharges the condensed water produced, and reclaim,
When S6, cooling stage, adopt 6 DEG C of cold water high speed injection cooling waters that die heater controls, cool time 50s, die heater is the dual-purpose die heater of TERMOTCHPLUS type profit, water or oil is used to regulate mold temperature, this machine cools through indirect heat exchange with mould oil return or water, after electric heating tube, be forced into mould by hydraulic pump; Cool in backward mould water channel and be blown into the air that temperature is 28 DEG C, by the cold water blowout mould in mould water channel, so that next injection cycle is normally carried out;
After S7, die sinking, mould air blowing road carries out cleaning impurity and dry process with the air pressure of 0.25Mpa to mould automatically.
In sum: compared with prior art, the present invention is the molded technique of a kind of Rapid Thermal, in rapid thermal cycles injection mo(u)lding, mold temperature directly affects the filling flow behavior of melt, the cooling velocity of plastic and the final mass of plastic, be one of the most important technological parameter affecting the molecularly oriented of plastic, residual stress, contraction, warpage, weld mark and other defect, the object of dynamic mold temperature control is exactly to improve the quality of plastic; First, higher mold temperature adds the mobility of melt in mold cavity, so not only effectively can reduce the demand to ultrahigh speed injector and special dies, avoid and rely on high injection speed and injection pressure in the past and make the problem that the economy of plastic reduces, and relax the restriction of moulding process to viscosity of plastic melts, make the kind of moulding material more extensive; Secondly, higher mould temperature not only can delay the expansion of melt and die cavity contact interface condensate layer, makes plastic can complete mold filling, avoids shortly penetrating phenomenon, and hot-fluid passband is declined, inhomogeneous cooling effect declines, and contributes to Stress Release, avoids plastic buckling deformation, also effectively can eliminate weld mark etc. simultaneously, greatly improve plastic surface quality, produce mirror effect, improve plastic intensity and case hardness; The present invention determine affect Shooting Technique six major parameter melt temperatures, mold temperature, injection pressure, inject time, the dwell time, dwell pressure, and to each parameter choose five levels, devise orthogonal test table.It is dwell pressure > dwell time > > cool time injection pressure > melt temperature > mold temperature that simulation obtains each technological parameter to the significance level of the impact of amount of warpage.Analyze and obtain optimum process combination, namely when melt temperature be 236 DEG C, mold temperature is 120 DEG C, inject time is 3.5s, the dwell time is 20s, cool time is 50s, dwell pressure is 80% time, the buckling deformation of plastic is minimum.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (4)
1. the molded technique of Rapid Thermal, is characterized in that: comprise the steps:
S1, by injection molding waste model be the plastic crusher of SAIKO – 450 to pulverize in the rotating speed of 3000min/r, be that the sieve of 0.35-0.6mm screens waste material pulverized particles by sieve diameter, filter out satisfactory waste granules for subsequent use;
S2, take satisfactory waste granules 20-30 part and thermoplastic feed particles 70-80 part in step S1, carry out proportioning by weight and form mixed material, mixed material by automatic feeding mechanism to enter specifications and models be WH-A-12 and power be 45KW vacuum drying chamber in dry 2-5 hour with 80-112 DEG C, make its humidity be less than 0.05%;
Before S3, beginning injection moulding, mould is fixed on injection machine, adopts heater to carry out preheating to mould before matched moulds, mold preheating temperature is 80-90 DEG C, and injector barrel plastic melt temperature range is set as 220-240 DEG C;
When S4, matched moulds, be 150-170 DEG C by temperature, pressure is that the high-temperature steam of 0.15-0.3MPa is by the irregular water channel after optimization, transient heating is carried out to 100-120 DEG C to mould, mixed material enters barrel from the hopper of injector, plastify into viscous state melt through heating and melting and bolt rotary, after inject mold cavity by under the promotion of screw rod by nozzle;
S5, after matched moulds completes, injector is injected mould, die sinking signal is provided by injection moulding machine, 2T steam boiler conveying high-temperature steam enters in mould steam pipework, now the force value of steam pressure is 10-15MPa, vapor (steam) temperature is 160-170 DEG C, filling steaming time is 12-18s, ensure that mold temperature to reach between 120-145 DEG C and to utilize steam to keep, signal feedback is allowed plastic injection to injection moulding machine simultaneously, plastic melt enters mold cavity, after injection moulding completes, 2T steam boiler stops supply steam, compressed air enters in mould steam pipework simultaneously, now compressed air pressure is 8MPa, remove because steam thermal energy discharges the condensed water produced, and reclaim,
When S6, cooling stage, adopt 4-10 DEG C of cold water high speed injection cooling water controlling of die heater, cool time 40-60s; Cool in backward mould water channel and be blown into the air that temperature is 25-30 DEG C, by the cold water blowout mould in mould water channel, so that next injection cycle is normally carried out;
After S7, die sinking, mould air blowing road carries out cleaning impurity and dry process with the air pressure of 0.2-0.4Mpa to mould automatically.
2. the molded technique of a kind of Rapid Thermal according to claim 1, is characterized in that: described injection machine is BaByplast6/10p miniature injection machine.
3. the molded technique of a kind of Rapid Thermal according to claim 1, it is characterized in that: described die heater is the dual-purpose die heater of TERMOTCHPLUS type profit, water or oil is used to regulate mold temperature, this machine cools through indirect heat exchange with mould oil return or water, after electric heating tube, be forced into mould by hydraulic pump.
4. the molded technique of a kind of Rapid Thermal according to claim 1, is characterized in that: described thermoplastic raw material is polymethyl methacrylate (PMMA) or acrylonitrile-butadiene-styrene copolymer (ABS) or polyamide (PA).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510911986.2A CN105365173A (en) | 2015-12-11 | 2015-12-11 | Quick thermoplastic forming process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510911986.2A CN105365173A (en) | 2015-12-11 | 2015-12-11 | Quick thermoplastic forming process |
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Cited By (11)
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|---|---|---|---|---|
| CN105711045A (en) * | 2016-05-04 | 2016-06-29 | 王建文 | Blow molding type water storage tank of water purifier and manufacturing process of blow molding type water storage tank |
| CN107458687A (en) * | 2017-06-29 | 2017-12-12 | 苏州英创电力科技有限公司 | Integral type electric power turnover box and production method |
| CN107877770A (en) * | 2017-10-10 | 2018-04-06 | 吉利汽车研究院（宁波）有限公司 | Instrument board covering manufacture method and automobile making method |
| CN108858669A (en) * | 2017-05-10 | 2018-11-23 | 蓝思科技（长沙）有限公司 | A kind of ceramic continuously injection molding process and its mold |
| CN109774065A (en) * | 2018-12-05 | 2019-05-21 | 青岛再特模具有限公司 | A kind of Shooting Technique of new automobile water chamber |
| CN109808134A (en) * | 2019-04-01 | 2019-05-28 | 北京中拓模塑科技有限公司 | The double-deck channel die of thermal change temperature, injection molding/molding apparatus, control system and method |
| CN110403057A (en) * | 2019-08-14 | 2019-11-05 | 陈蜀乔 | A kind of novel edible manufacturing of gelatin technique and process units |
| CN110716325A (en) * | 2019-09-03 | 2020-01-21 | 杏晖光学（厦门）有限公司 | Preparation method of blue-light-proof lens with color fidelity |
| CN111055465A (en) * | 2019-10-31 | 2020-04-24 | 惠州市新智源模具科技有限公司 | Mold temperature and pressure control injection molding process and control system for highlight injection molding part |
| CN112109273A (en) * | 2020-09-01 | 2020-12-22 | 无锡强联电气设备有限公司 | BMC material injection molding process |
| CN118254337A (en) * | 2024-04-03 | 2024-06-28 | 浙江台丽科技有限公司 | Vacuum circuit breaker sensor shell injection molding equipment and method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105711045A (en) * | 2016-05-04 | 2016-06-29 | 王建文 | Blow molding type water storage tank of water purifier and manufacturing process of blow molding type water storage tank |
| CN108858669A (en) * | 2017-05-10 | 2018-11-23 | 蓝思科技（长沙）有限公司 | A kind of ceramic continuously injection molding process and its mold |
| CN107458687A (en) * | 2017-06-29 | 2017-12-12 | 苏州英创电力科技有限公司 | Integral type electric power turnover box and production method |
| CN107877770A (en) * | 2017-10-10 | 2018-04-06 | 吉利汽车研究院（宁波）有限公司 | Instrument board covering manufacture method and automobile making method |
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