KR20010008002A - Back pressure measuring unit for electric injection molding machine - Google Patents

Back pressure measuring unit for electric injection molding machine Download PDF

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Publication number
KR20010008002A
KR20010008002A KR1020000064775A KR20000064775A KR20010008002A KR 20010008002 A KR20010008002 A KR 20010008002A KR 1020000064775 A KR1020000064775 A KR 1020000064775A KR 20000064775 A KR20000064775 A KR 20000064775A KR 20010008002 A KR20010008002 A KR 20010008002A
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KR
South Korea
Prior art keywords
screw
back pressure
shaft
injection
synthetic resin
Prior art date
Application number
KR1020000064775A
Other languages
Korean (ko)
Inventor
홍성원
김정석
정필중
강병수
Original Assignee
권문구
엘지전선 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 권문구, 엘지전선 주식회사 filed Critical 권문구
Priority to KR1020000064775A priority Critical patent/KR20010008002A/en
Publication of KR20010008002A publication Critical patent/KR20010008002A/en

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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
    • 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
    • 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
    • B29C2945/76003—Measured parameter
    • B29C2945/76006—Pressure
    • 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
    • B29C2945/76003—Measured parameter
    • B29C2945/76083—Position
    • 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
    • B29C2945/76177—Location of measurement
    • B29C2945/7618—Injection unit
    • B29C2945/76187—Injection unit screw

Abstract

PURPOSE: A measurer for back pressure of an electromotive intruder is provided to readily miniaturize an intruder by measuring the back pressure given to a screw axle from a screw through plural deformation gauges and to conveniently maintain and repair the measurer due to the small possibility of damages to the screw axle or shaft. CONSTITUTION: An outer diameter of a shaft(4) transfers a back pressure from a screw(3) to a screw axle(7) through a thrust box(5) upon intrusion-molding. An outer diameter of the screw axle(7) connects to a nut(8) and establishes the intrusion pressure and capacity of the synthesized resin. The outer diameter of the screw axle receives a regular back pressure from the screw upon intrusion-molding. Plural deformation gauges(9) are formed at a certain interval on the outer diameters. When deformation or pressure is given to the outer diameters from the outside and a resistance value is changed, the deformation gauge measures displacement.

Description

전동식 사출기의 배압 측정 장치{Back pressure measuring unit for electric injection molding machine}Back pressure measuring unit for electric injection molding machine

본 발명은 사출기에서 사출 성형 작업시 스크류로부터 배압을 받아서 나사축에 전달하는 샤프트의 외경이나 합성 수지의 사출 압력 및 사출 용량을 설정하는 나사축의 외경에 변위를 측정하는 다수개의 변형 게이지가 형성되어 혼합 용융된 합성 수지의 사출시 스크류로부터 샤프트와 스러스트 박스를 거쳐 나사축에 가해지는 배압을 측정하는 장치에 관한 것이다.In the present invention, a plurality of strain gauges for measuring displacement are formed on an outer diameter of a shaft that receives back pressure from a screw and delivers it to a screw shaft or an outer diameter of a screw shaft that sets an injection pressure and an injection capacity of a synthetic resin in an injection molding machine. An apparatus for measuring the back pressure applied to the screw shaft from the screw through the shaft and the thrust box during injection of the molten synthetic resin.

합성 수지를 용융해서 금형에 사출하여 성형하는 일반적인 전동식 사출기는 합성 수지를 투입하는 호퍼와, 투입된 합성 수지를 용융하는 가열 장치와, 용융된 합성 수지를 분사하는 노즐과, 투입된 합성 수지를 계량 혼합하고 노즐로 이송하며 샤프트에 접속되어 용융된 합성 수지가 사출되면서 발생하는 배압을 상기 샤프트에 가하는 스크류와, 상기 스크류를 접속하여 스크류로부터 받은 배압을 스러스트 박스로 전달하는 샤프트와, 상기 스크류로부터 받은 배압을 나사축으로 전달하는 스러스트 박스와, 상기 스러스트 박스를 지지하는 지지봉과, 사출용 구동원에 의하여 회전되는 너트에 결착되어 용융되는 합성 수지의 사출 압력 및 사출 용량을 설정하는 나사축으로 구성되어 있다. 스크류는 샤프트에 접속되어 혼합 용융된 합성 수지의 사출시에 발생하는 배압을 상기 샤프트에 가하며, 상기 샤프트에 가해지는 배압은 지지봉에 지지되는 스러스트 박스를 통하여 나사축에 전달된다.The general electric injection molding machine which melts a synthetic resin and injects it into a mold and molds and mixes the hopper which injects synthetic resin, the heating apparatus which melts the injected synthetic resin, the nozzle which injects the molten synthetic resin, and the injected synthetic resin The screw which transfers to the shaft and is connected to the shaft and applies the back pressure generated when the molten synthetic resin is injected, the shaft connecting the screw to transfer the back pressure received from the screw to the thrust box, and the back pressure received from the screw It consists of a thrust box which transmits to a screw shaft, the support rod which supports the said thrust box, and the screw shaft which sets the injection pressure and injection capacity of the synthetic resin melted and melted by the nut rotated by the injection drive source. The screw is connected to the shaft to apply the back pressure generated during the injection of the mixed molten synthetic resin to the shaft, the back pressure applied to the shaft is transmitted to the screw shaft through the thrust box supported by the support rod.

상기한 종래의 사출기는 압력 센서가 형성된 원판 형태의 로드 셀을 샤프트와 나사축 사이에 형성하여 용융된 합성 수지의 사출시에 발생하는 스크류의 배압을 측정하는 방법을 사용하였으나 로드 셀이 부피를 많이 차지하기 때문에 사출기의 소형화가 곤란하다는 문제점이 있으며 사출 성형 작업시 로드 셀 및 압력 센서가 손상되기 쉽고 로드 셀 및 압력센서가 손상되는 경우에는 로드 셀 전체를 교환해야 되기 때문에 유지보수가 번거롭다는 문제점이 있다.The conventional injection molding machine uses a method of measuring a back pressure of a screw generated during injection of molten synthetic resin by forming a disk-shaped load cell in which a pressure sensor is formed between a shaft and a screw shaft, but the load cell has a large volume. It is difficult to miniaturize the injection molding machine because it is difficult to occupy, and the load cell and pressure sensor are easily damaged during the injection molding operation, and when the load cell and the pressure sensor are damaged, the whole load cell needs to be replaced, which is cumbersome for maintenance. There is this.

본 고안의 목적은 스크류로부터 배압을 받아서 나사축에 전달하는 샤프트의 외경이나 수지의 사출 압력 및 사출 용량을 설정하는 나사축의 외경에 변위를 측정하는 다수개의 변형 게이지가 형성되어 합성 수지의 혼합 용융시에 스크류로부터 나사축에 가해지는 배압을 측정함으로서 사출기 내부의 공간이 적게 소요되어 사출기의 소형화가 용이하며, 변형 게이지가 형성된 나사축 또는 샤프트의 손상 가능성이 매우 작아서 유지보수가 편리한 전동식 사출기의 배압 측정 장치를 제공하는데 있다.An object of the present invention is to form a plurality of strain gauges for measuring displacement in the outer diameter of the shaft which receives the back pressure from the screw and delivers it to the screw shaft or the outer diameter of the screw shaft which sets the injection pressure and injection capacity of the resin. By measuring the back pressure applied to the screw shaft from the screw, the space inside the injection molding machine is reduced, making it easy to miniaturize the injection molding machine. To provide a device.

도 1은 나사축에 측정 장치가 형성된 사출기의 구조도1 is a structural diagram of an injection machine in which a measuring device is formed on a screw shaft

도 2는 측정 장치가 형성된 나사축의 상세도2 is a detailed view of a screw shaft having a measuring device formed thereon;

도 3은 측정 장치가 형성된 나사축의 정면도3 is a front view of a screw shaft having a measuring device formed thereon;

도 4는 샤프트에 측정 장치가 형성된 사출기의 구조도4 is a structural diagram of an injection machine in which a measuring device is formed on a shaft;

* 도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings

1 : 호퍼 2 : 노즐1: Hopper 2: Nozzle

3 : 스크류 4 : 샤프트3: screw 4: shaft

5 : 스러스트 박스 6 : 지지봉5: thrust box 6: support rod

7 : 나사축 8 : 너트7: screw shaft 8: nut

9 : 변형 게이지 10 : 커버9: strain gauge 10: cover

11 : 나사11: screw

스크류에 접속되어 상기 스크류로부터 가해진 배압을 나사축에 전달하는 샤프트의 외경이나 사출용 구동원에 의하여 회전되는 너트에 결착되어 용융되는 합성 수지의 사출 압력 및 사출 용량을 설정하는 나사축의 외경에 변위를 측정하는 다수개의 변형 게이지가 형성되어 혼합 용융된 합성 수지가 사출될 때 발생되며 스크류로부터 샤프트와 스러스트 박스를 거쳐 나사축에 가해지는 배압을 측정하도록 구성되는 전동식 사출기의 배압 측정 장치가 제공된다.The displacement is measured in the outer diameter of the shaft which is connected to the screw and transmits the back pressure applied from the screw to the screw shaft or the outer diameter of the screw shaft which sets the injection pressure and injection capacity of the synthetic resin melted by the nut rotated by the injection drive source. There is provided a back pressure measuring device of an electric injection machine, which is formed when a plurality of strain gauges are formed and is injected when the mixed molten synthetic resin is injected, and configured to measure the back pressure applied from the screw to the screw shaft via the shaft and the thrust box.

도면과 실시예를 참조하여 본 발명을 상세하게 설명한다.The present invention will be described in detail with reference to the drawings and examples.

사출 성형 작업시 스크류(3)에 접속되어 상기 스크류(3)로부터 받은 배압을 스러스트 박스(5)를 거쳐 나사축(7)에 전달하는 샤프트(4)의 외경이나 사출용 구동원에 의해 회전되는 너트(8)에 체결되어 용융되는 합성 수지의 사출 압력 및 사출 용량을 설정하며 사출 성형 작업시 스크류(3)로부터 일정한 배압을 받는 나사축(7)의 외경에 외부로부터 변형이나 압력이 가해지면 그 저항치가 변화되어 변위를 측정할 수 있는 다수개의 변형 게이지(9)가 일정한 간격으로 형성된다.Nuts connected to the screw 3 during the injection molding operation and rotated by the outer diameter of the shaft 4 or the drive source for injection to transfer the back pressure received from the screw 3 to the screw shaft 7 via the thrust box 5. Set the injection pressure and injection capacity of the synthetic resin which is fastened to (8) and melted. When the deformation or pressure is applied from the outside to the outer diameter of the screw shaft 7 which receives a constant back pressure from the screw 3 during the injection molding operation, its resistance value is Are changed so that a plurality of strain gauges 9 capable of measuring displacements are formed at regular intervals.

각각의 게이지(9)에서 개별적으로 측정되는 변위를 종합하여 스크류(3)로부터 샤프트(4)를 거쳐 나사축(7)에 가해지는 배압을 측정할 수 있도록 상기한 변형 게이지(9)는 샤프트(4) 또는 나사축(7)의 원주상에서 일정한 간격으로 구성된다.The strain gauge 9 described above is adapted to measure the back pressure exerted on the screw shaft 7 from the screw 3 via the shaft 4 to the sum of the displacements measured at each gauge 9. 4) or at regular intervals on the circumference of the screw shaft (7).

샤프트(4) 또는 나사축(7)에서 변형 게이지(9)가 형성되는 부분에는 상기 변형 게이지(9)를 포용하여 보호하는 원통 형상의 커버(10)가 형성된다.A cylindrical cover 10 is formed on the shaft 4 or the screw shaft 7 where the strain gauge 9 is formed to cover and protect the strain gauge 9.

상기한 변형 게이지(9)가 나사축(7)의 외경에 형성되는 경우에는 너트(8)를 회전하여 합성 수지의 사출 압력 및 사출 용량을 설정할 때에 상기 너트(8)에 결착되지 않도록 나사축(7)에서 나사(11)가 형성되지 않은 부분의 외경에 형성된다.When the strain gauge 9 is formed at the outer diameter of the screw shaft 7, the screw shaft (not to be stuck to the nut 8 when rotating the nut 8 to set the injection pressure and the injection capacity of the synthetic resin) In 7), the screw 11 is formed in the outer diameter of the portion where it is not formed.

실시예를 참조하여 본 발명의 작용을 상세하게 설명한다.The operation of the present invention will be described in detail with reference to Examples.

사출 성형 작업에서는 합성 수지가 호퍼(1)를 통해 사출기 내부로 투입되어 혼합 용융되며 스크류(3)는 후진하여 샤프트(4)에 접속되어 혼합 용융된 합성 수지의 사출시 발생하는 배압을 샤프트(3)에 가하며, 상기 샤프트(4)에 가해진 스크류(3)의 배압은 지지봉(6)에 의해 지지되는 스러스트 박스(5)를 거쳐 나사축(7)으로 전달된다. 상기 나사축(7)에 형성된 각 게이지(9)에서 개별적으로 측정되는 변위를 종합하여 나사축(7)에 가해지는 스크류(3)의 배압이 측정되며, 측정된 스크류(3)의 배압에 의거하여 나사축(7)을 결착하는 너트(8)가 회전되어 나사축(7)이 전. 후진됨으로서 합성 수지의 사출 압력 및 사출 용량이 설정된다.In the injection molding operation, the synthetic resin is introduced into the injection molding machine through the hopper 1 and mixed and melted, and the screw 3 is retracted and connected to the shaft 4 so that the back pressure generated during the injection of the mixed and melted synthetic resin is changed to the shaft 3. Back pressure of the screw (3) applied to the shaft (4) is transmitted to the screw shaft (7) via a thrust box (5) supported by the support rod (6). The back pressure of the screw 3 applied to the screw shaft 7 is measured by combining the displacements measured in each gauge 9 formed on the screw shaft 7, and based on the measured back pressure of the screw 3. The nut (8), which engages the screw shaft (7), is rotated to move the screw shaft (7). By reversing, the injection pressure and injection capacity of the synthetic resin are set.

다른 실시예를 참조하여 본 발명의 작용을 설명한다.The operation of the present invention will be described with reference to other embodiments.

사출 성형 작업에서는 합성 수지가 호퍼(1)를 통해 사출기 내부로 투입되어 혼합 용융되며 스크류(3)는 샤프트(4)에 접속되어 혼합 용융된 합성 수지의 사출시 발생하는 배압을 샤프트(3)에 가하며, 상기 샤프트(4)에 형성된 각 게이지(9)에서 개별적으로 측정되는 변위를 종합하여 나사축(7)에 전달되는 스크류(3)의 배압이 측정되며, 샤프트(4)에 가해진 스크류(3)의 배압은 지지봉(6)에 의해 지지되는 스러스트 박스(5)를 거쳐 나사축(7)으로 전달된다. 샤프트(4)에 형성된 게이지(9)에서 측정된 스크류(3)의 배압에 의거하여 나사축(7)을 결착하는 너트(8)가 회전되어 나사축(7)이 전. 후진됨으로서 합성 수지의 사출 압력 및 사출 용량이 설정된다.In the injection molding operation, the synthetic resin is introduced into the injection machine through the hopper 1 and mixed and melted, and the screw 3 is connected to the shaft 4 so that the back pressure generated during the injection of the mixed and melted synthetic resin is applied to the shaft 3. The back pressure of the screw 3 transmitted to the screw shaft 7 is measured by combining the displacements measured individually at each gauge 9 formed on the shaft 4, and the screw 3 applied to the shaft 4. Back pressure is transmitted to the screw shaft (7) via the thrust box (5) supported by the supporting rod (6). On the basis of the back pressure of the screw (3) measured by the gauge (9) formed on the shaft (4), the nut (8) for fastening the screw shaft (7) is rotated so that the screw shaft (7) moves forward. By reversing, the injection pressure and injection capacity of the synthetic resin are set.

샤프트(4) 또는 나사축(7)에서 변형 게이지(9)가 형성된 부분에 원통 형상의 커버(10)가 형성되기 때문에 사출 성형 작업중에 변형 게이지(9)의 손상이 방지되며, 변형 게이지(9)가 손상되는 경우에는 손상된 게이지(9)를 교환하기만 하면 사출 성형 작업을 계속할 수 있다.Since the cylindrical cover 10 is formed at the portion where the strain gauge 9 is formed on the shaft 4 or the screw shaft 7, damage of the strain gauge 9 is prevented during the injection molding operation, and the strain gauge 9 ) Is damaged, the injection molding operation can be continued simply by replacing the damaged gauge (9).

본 발명에 의한 전동식 사출기의 배압 측정 장치는 샤프트나 나사축의 외경에 변위를 측정하는 변형 게이지가 형성되어 혼합 용융된 합성 수지의 사출시에 스크류로부터 나사축에 가해지는 배압을 측정하는 구성으로 사출기 내부의 공간이 적게 소요되어 사출기의 소형화가 용이하며, 나사축의 손상 가능성이 매우 작고 변형 게이지가 손상된 경우에는 손상된 게이지만 교환하면 되기 때문에 유지보수가 편리하다.The back pressure measuring apparatus of the electric injection machine according to the present invention has a deformation gauge which measures displacement on the outer diameter of the shaft or the screw shaft, and measures the back pressure applied from the screw to the screw shaft during the injection of the mixed molten synthetic resin. It is easy to downsize the injection molding machine because it requires less space, and the maintenance of the screw shaft is very small, and if the deformation gauge is damaged, only the damaged gauge needs to be replaced.

Claims (2)

합성 수지를 혼합 용융하여 사출 성형하는 전동식 사출기에 있어서,In the electric injection machine which mix-melts and melts a synthetic resin, 나사축(7)의 외경에 변위를 측정하는 변형 게이지(9)가 형성되어 혼합 용융된 합성 수지의 사출시 스크류(3)로부터 상기 나사축(7)에 가해지는 배압(背壓, Back pressure)을 측정하도록 구성되는 것을 특징으로 하는 전동식 사출기의 배압 측정 장치.A strain gauge 9 for measuring displacement is formed on the outer diameter of the screw shaft 7 so that a back pressure applied to the screw shaft 7 from the screw 3 during injection of the mixed molten synthetic resin is provided. Back pressure measuring apparatus of the electric injection machine, characterized in that configured to measure. 합성 수지를 혼합 용융하여 사출 성형하는 전동식 사출기에 있어서,In the electric injection machine which mix-melts and melts a synthetic resin, 샤프트(4)의 외경에 변위를 측정하는 변형 게이지(9)가 형성되어 혼합 용융된 합성 수지의 사출시 스크류(3)로부터 나사축(7)에 가해지는 배압을 측정하도록 구성되는 것을 특징으로 하는 전동식 사출기의 배압 측정 장치.A strain gauge 9 for measuring displacement in the outer diameter of the shaft 4 is formed, and is configured to measure the back pressure applied from the screw 3 to the screw shaft 7 upon injection of the mixed molten synthetic resin. Back pressure measuring device of electric injection machine.
KR1020000064775A 2000-11-02 2000-11-02 Back pressure measuring unit for electric injection molding machine KR20010008002A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160077623A (en) 2014-12-24 2016-07-04 엘에스엠트론 주식회사 Injection device of injection molding machine
CN109531950A (en) * 2018-12-12 2019-03-29 江苏顺航电子科技有限公司 It is molded the reliability test machine of inserts
KR102213279B1 (en) 2020-07-06 2021-02-05 윤병호 Electric injection device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60115418A (en) * 1983-11-28 1985-06-21 Japan Steel Works Ltd:The Detection of defects in mold clamping in injection molding machine
JPS6244417A (en) * 1985-08-23 1987-02-26 Toyoda Autom Loom Works Ltd Control method of screw thrust of injection molding machine
JPS6297818A (en) * 1985-10-25 1987-05-07 Fanuc Ltd Resin pressure detector in injection molder
JPS62227717A (en) * 1986-03-31 1987-10-06 Sumitomo Heavy Ind Ltd Toggle type mold clamping device
KR930003743A (en) * 1991-07-26 1993-02-24 강진구 Adaptive Selection Circuit and Method of 3D Subband Image Signal
KR960015300A (en) * 1994-10-31 1996-05-22 이해규 Parking position determination method by random number

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60115418A (en) * 1983-11-28 1985-06-21 Japan Steel Works Ltd:The Detection of defects in mold clamping in injection molding machine
JPS6244417A (en) * 1985-08-23 1987-02-26 Toyoda Autom Loom Works Ltd Control method of screw thrust of injection molding machine
JPS6297818A (en) * 1985-10-25 1987-05-07 Fanuc Ltd Resin pressure detector in injection molder
JPS62227717A (en) * 1986-03-31 1987-10-06 Sumitomo Heavy Ind Ltd Toggle type mold clamping device
KR930003743A (en) * 1991-07-26 1993-02-24 강진구 Adaptive Selection Circuit and Method of 3D Subband Image Signal
KR960015300A (en) * 1994-10-31 1996-05-22 이해규 Parking position determination method by random number

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160077623A (en) 2014-12-24 2016-07-04 엘에스엠트론 주식회사 Injection device of injection molding machine
CN109531950A (en) * 2018-12-12 2019-03-29 江苏顺航电子科技有限公司 It is molded the reliability test machine of inserts
KR102213279B1 (en) 2020-07-06 2021-02-05 윤병호 Electric injection device

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