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gas assisted injection mold in China
Design principle of plastic injection mold cooling systemDesign principle of cooling systemIn order to improve the efficiency of the cooling system and make the cavity surface temperature distribution even, the following principles should be followed in the...More+
The T slot of slider and guider designing tips1. The T slot of slot should be designed according to the picture 1, If there is a relatively high slider, the slider T slot is not high enough which will ...More+
Plastic Insert MoldThe easy formability and bendability of resin complement each other with the rigidity, strength, and heat resistance of the metal, and they can be made into complex and exquisite metal-plastic integrated products.More+
Bike Frame Mold for KidsDuring plastic molding processing, gas-assisted injection molding is abbreviated as GAIM, which is a relatively new molding processing technology, this technology is comprehensively developed on the basis of the design and manufacture of traditional injection molding molds and blow molding molds, and entered the practical stage in the 1990s, gas-assisted injection molding has huge technical application advantages and can produce significant economic benefits.More+
Cold Runner & Hot Runner Plastic MoldCommon Hot Runner Temperature Sensing Wires Types And CharacteristicsGenerally, the temperature-sensitive wire is composed of steel wire insulated with a heat-sensitive material, the temperature sensig wire is commonly known as the "thermocouple".More+
Car Ceiling Handle Injection MouldWhen plastic injection molding, the melt is under the injection pressure and enters the mold cavity, on the same section, the flow rate of each gate is different, the fastest in the middle, the closer to the cavity wall, the slower the flow rate, and it contacts the cavity wall, the speed of the first layer is zero.More+
The design principle of the exhaust slotThe exhaust system of plastic molds is also very important, if the product has air trapping or exhaust system is not suitable will have a big impact on injection molding production and product quality...More+
Controling method of plastic injection mold temperatureExcept for heat radiation and heat convection from the mold, most of the heat bring into the mold by the plastic needs to be taken out of the mold by the circulating heat transfer medium by heat condu...More+
Well-ventilated steel of venting design for molded partsWell-ventilated steel is a sintered alloy, iIt is a porous material sintered with spherical particle alloys, the pore size is 7-10μm and the strength is poor, but the texture is loose which allow th...More+
Slider designing tips 11. After the slider core pulls out, the length of staying in the guide pin slot should not be less than 2/3 of the total length of the slider, for special cases, the slider slot can be partially lengt...More+
- Cold Runner & Hot Runner Plastic MoldCommon Hot Runner Temperature Sensing Wires Types And CharacteristicsGenerally, the temperature-sensitive wire is composed of steel wire insulated with a heat-sensitive material, the temperature sensig wire is commonly known as the "thermocouple".More+
- Success factors of USMThe ability to produce mold at the high international standard, strong engineering and design capability, aggressive lead time and competitive priceMore+
Hydraulic diameter conversion of runners in plastic mold gating system designHydraulic diameter refers to 4 times the ratio of the flow cross-sectional area to the perimeter, as the wall shear stress of non-circular pipes is not even distributed along the surrounding walls, on...More+
- HomeEstablished in the year of 1996, HanKing start the business in mould making and injection molding in Longgang, Shenzhen, after years development, we have become a one-stop total plastic solution pr...More+
Gate position determination of plastic injection mold runner design systemIn the selection of gate location, the following issues should be paid attention to:1. The gate position should be set at the maximum wall thickness of the plastic part, so that the plastic melt flows...More+
Unique Solutions Mold ProfileUSM (UNIQUE SOLUTIONS MOLD LIMITED) was founded in 2012 and is located in Dongguan City, Guangdong Province, a famous mold manufacturing province in China, the plant covers an area of 3500 square meters.More+
Plastic Pipe MoldThe booster pressurizes the nitrogen in the low-pressure storage cylinder into workable high-pressure nitrogen, and stores it in the high-pressure nitrogen cylinder, the maximum pressure of the nitrogen can reach 35MPa in the process.More+
About UsUSM is one of the world's leading manufacturers of plastic injection mould and molded parts. We have always pushed developments forward and set benchmarks in Automtive, High precision and 2K moldi...More+
Video of CNC Machining Processing by Dongguan International Machine Tool Exhibition in 2021The 3rd China Machine Tool Purchasing Festival-DME Dongguan International Machine Tool Exhibition (hereinafter referred to as DME) was grandly closed at Guangdong Modern International Exhibition Center (Dongguan Houjie) on 13th Dec. 2021.More+
- Success factors of USMThe ability to produce mold at the high international standard, strong engineering and design capability, aggressive lead time and competitive priceMore+
Project ManagementThe project manager is the window for external communication and the bridge for the internal transmission of customer information in USM.More+
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Main application of gas-assisted molding technologyGas-assisted molding has a particularly obvious effect on the material saving of tubular and rod-shaped plastic parts, such as car handles, seat armrests, window frames, and wood-like furniture, the m...More+
Factors affecting the cooling rate of parts by injection moldingIt should be shaped by cooling to get stable plastic part after plastic filling the cavity and core side, so most injection molds need to be equipped with cooling devices to make the mold temperature ...More+
Multi Cavity MoldMulti cavity mold requires very high machining accuracy. if the machining error of one single cavity is 0.01mm, and the total tolerance of 64-cavity processing will be very big. therefore, to make the multi-cavity mold request very advanced processing equipment in order to ensure the machining accuracy.More+
Design principles of plastic injection mold runner system1. Quality first The design of the gating system has a big influence on part quality, firstly the gate should be set at the easiest part of the plastic part to be removed, and at the same time, the...More+
Cold Runner MouldCompared with the hot runner mold, a cold runner mold does not require a special heating system for the runner system. It will be cooled with the product together and taken out after injection finishing, and then cut the runner, the cold runner mold is what we often call the traditional mold.More+
The main design points of the design of the plastic mold pouring systemThe main runner is the part where the molten plastic first passes when it is sprayed from the injection nozzle, and it is coaxial with the injection nozzle, because of repeated contact and collision w...More+
The sub gate of the plastic injection mold runner systemIn order to get the best injection quality, the gate type must be selected carefully, the coommon gate tyeps are: direct gate, side gate, pin-point gate, sub gate,valve gate of hot runner etc. Among...More+
Company ProfileUSM is one of the world's leading manufacturers of the plastic injection mould and molded parts. We have always pushed developments forward and set benchmarks in Automotive, High precision, and 2K...More+
What is L-shaped barrel two-color injection molding? What is 90-degree vertical barrel two-color injection molding?More+
Parting surface venting of runner systemThere are a large amount of gas in the main and sub channel, these gas are discharged through the pull rod (push rod) during injection processing, a part of gas come out from exhaust slot on parting s...More+
- Slider designing tips 11. After the slider core pulls out, the length of staying in the guide pin slot should not be less than 2/3 of the total length of the slider, for special cases, the slider slot can be partially lengt...More+
What is 2K molding? What is L-shaped barrel two-color injection molding? What is 90-degree vertical barrel two-color injection molding?More+
Venting insert design of molded partsIn the thin-walled cavity, the end of the melt flow, the bottom of the blind hole of the mold cavity, the end of the solid column of the plastic part, the bottom of the plastic part rib and screw colu...More+
16 Cavities Plastic Injection MoldA 16-cavity multi cavity mold means that 16 pieces of parts can be produced in one injection cycle at the same time, which can improve the production efficiency greatly, save production time and reduce production cost.More+
Banana gate of plastic injection mold runner system designIn order to get the best injection quality, the gate type must be selected carefully, the coommon gate tyeps are: direct gate, side gate, pin-point gate, sub gate,valve gate of hot runner etc. Among ...More+
- Cold Runner MouldCompared with the hot runner mold, a cold runner mold does not require a special heating system for the runner system. It will be cooled with the product together and taken out after injection finishing, and then cut the runner, the cold runner mold is what we often call the traditional mold.More+
- Bike Frame Mold for KidsDuring plastic molding processing, gas-assisted injection molding is abbreviated as GAIM, which is a relatively new molding processing technology, this technology is comprehensively developed on the basis of the design and manufacture of traditional injection molding molds and blow molding molds, and entered the practical stage in the 1990s, gas-assisted injection molding has huge technical application advantages and can produce significant economic benefits.More+
Multi Cavities Hot Runner Injection MoldThe hot runner will keep the plastic material in liquid in runner and injection gate, the temperature in injection machine barrel and runner are very high which can keep the material in liquid, due to there is heating system surrounded, it will only need to heat the hot runner to request temperature before production, and the hot runner is like the extension of injection machine barrel.More+
Medical TPE MoldSince the establishment of the factory, USM has provided injection molding products and injection mold services for many medical companies around the world, especially in medical multi-cavity and small products (pipetting tips) with rich and valuable experience.More+
The common fixing method of angle pinThe angle pin is a common part of the drive slider, and the fixing and installation methods as following:1. Pass through the mold plate directly and press the angle pin with the top plate to fix it, a...More+
Gas & Water Assisted Injection MoldThe differences between water-assisted and gas-assisted molding1. Water-assisted injection molding uses water, and it can be recycled and reused, so the medium water of the two molding processes is cheaper than nitrogen.More+
Engine Coolant PipeIn the gas-assisted injection molding process, the gas always follows the path with the least flow resistance, from high pressure to low pressure, and flows to the thick wall part, because the temperature of this part is high and the resistance is small.More+
Water Assisted Injection MouldBecause the flow rate of the outer layer of the melt is slow and the speed of the inner layer is fast, the inner layer of melt will roll outwards and stick to the mold cavity while advancing.More+
Slider of side core pulling mechanisum assemblingThe picture 1 shows a typical guide pin driven slider parting and core-pulling mechanism, we will talk about the composition and function of the lateral core-pulling mechanism.1. Lateral forming parts...More+
Plastic injection mold common cooling gate1. Straight-through cooling water gate: the straight-through cooling gate is the most commonly used gate for plastic injection mold, and it is also the most convenient type of cooling for processing. ...More+
- Water Proof Plastic Enclosure MoldThe product will be made by two times, which will inject the second piece after finishing the first piece in the other mold and different injection machine, normally will be no specific request for 2 different pieces injection time, injection machine.More+
Plastic molding shrinkage ratePlastic parts getting smaller by shrink, due to the temperature decrease during the molding process, and the shrinkage is expressed by the shrinkage rate, it is common plastic shrinkage rates are show...More+
- Gate position determination of plastic injection mold runner design systemIn the selection of gate location, the following issues should be paid attention to:1. The gate position should be set at the maximum wall thickness of the plastic part, so that the plastic melt flows...More+
Insert pin of vengting design for molded partsInsert pin of venting:It is difficult to make exhaust slot when end runner is not in parting surface during injection, and there is no matching gap available, but we could make the venting pin at end ...More+
The design requirements of slider wear plate1. The wear plate of slider requires hardening treatment, with a hardness of 45-48HRC;2. The friction surface of the wear plate is required to be 1.0mm higher than the slider surface (see picture-1);3...More+
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The basic points of designing gas-assisted injection molding1. Firstly, considering the suitable wall thickness areas needs to be injected and hollowed out, and then decide how to connect them with the gas channel;2. The gas channel should be arranged in balan...More+
- Well-ventilated steel of venting design for molded partsWell-ventilated steel is a sintered alloy, iIt is a porous material sintered with spherical particle alloys, the pore size is 7-10μm and the strength is poor, but the texture is loose which allow th...More+
- Controling method of plastic injection mold temperatureExcept for heat radiation and heat convection from the mold, most of the heat bring into the mold by the plastic needs to be taken out of the mold by the circulating heat transfer medium by heat condu...More+
2022 Shenzhen Industrial Exhibition ITES ended successfullyThe 2022 ITES Shenzhen International Industrial Manufacturing Technology and Equipment Exhibition and the 23rd Shenzhen International Machinery Manufacturing Exhibition were grandly opened in Shenzhen...More+
- Medical TPE MoldSince the establishment of the factory, USM has provided injection molding products and injection mold services for many medical companies around the world, especially in medical multi-cavity and small products (pipetting tips) with rich and valuable experience.More+
Medical Pipette Tip MoldAs a medical plastic injection mold supplier, It has its own unique solutions from medical product development to mold design, mold manufacturing, and injection molding production.More+
Different treatment of plastic injection mold cooling system principlesDifferent treatment principle:1. The mold temperature is different according to the different plastics, when the plastic requires the molding temperature of the mold to be ≥80°C, the mold must be he...More+
Gas-assisted injection molding of kettle handlesWhat is the gas-assisted injection molding? Today we will talk about the case of gas-assisted injection molding of kettle handles. During the injection molding process, push the melt plastic to fi...More+
4 Cavity MoldA multi-cavity mold means that multiple identical parts are made in one set mold, and multiple identical parts can be produced in one injection cycle at the same time.More+
Auto Parts MouldThe automotive console is an external part in automotive interior parts, and no weld line on the part surface, the console's gating system generally uses a valve gate of hot runner system, the gate position usually has a direct injection gate on the non-critical surface which is to save plastic material, the shut-off area will be injected on side of the non-critical surface, or the middle area will be injected to the non-critical surface by the banana gate.More+
Design standard of exhaust slotThe exhaust system should ensure that the gas in the cavity is smoothly discharged, and also prevent the material from entering and exhausting channels from causing flashing of the product or blockage...More+
Key points of plastic injection mold runner systemThe sub-runner is a transitional channel between the main runner and the gate, as the sub-runner is the longgest part of gating system, so it is very important to enhance the parts quality and improve...More+
Automotive MoldAutomotive Molds Characteristics1. The automotive mold size is very big, and the largest mold weight is nearly 40T;2. The mold structure is complex;3. There are many irregular curved surfaces on the parting surface.More+
The difference between full shot and short shot of gas-assisted injection moldingGas-assisted injection molding can be divided into short shot and full shot.Short shot The short shot method is shown in picture 1, it is suitable for thick-walled plastic parts with low mold filli...More+
Gas-assisted injection molding product defects and solutionsCommon defects and solutions of gas-assisted injection moulding:1. Gas blows out the melt like in picture 1. Reason: insufficient pre-filled amount. When the plastic part is a locally thickened plate-...More+
USM Purchased Two New Sodick Edm EquipmentsUSM purchased 2 new EDM Sodick equipment arrived a few months later, just finished the assembling and adjustment, we are very excited to see the processing soon with our new projects soon.More+
What is Ejection Molding?The process to get injection molded products is called injection molding, or called injection. Injection molding is an important method in polymer molding processing, it is characterized by a short molding cycle and high production efficiency.More+
Design & EngineeringWe always insist that Design & Engineering is the core for mold, the USM engineering team will maintain communication closely with our customers at any time, from a project starting, they will participate in the customer's product design together.More+
- Slider designing tips 11. After the slider core pulls out, the length of staying in the guide pin slot should not be less than 2/3 of the total length of the slider, for special cases, the slider slot can be partially lengt...More+
Conformal cooing channel of plastic injection moldThe conformal cooling gate is a new type of mold cooling gate based on 3D printing technolog, because of its processing characteristics, the conformal cooling gate can fit the shape of the product wel...More+
- The basic points of designing gas-assisted injection molding1. Firstly, considering the suitable wall thickness areas needs to be injected and hollowed out, and then decide how to connect them with the gas channel;2. The gas channel should be arranged in balan...More+
- Plastic molding shrinkage ratePlastic parts getting smaller by shrink, due to the temperature decrease during the molding process, and the shrinkage is expressed by the shrinkage rate, it is common plastic shrinkage rates are show...More+
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What is the side parting and core pulling mechanisms with their function?When there are holes, cavities or cores on the inside or outside of the injection-molded plastic parts that are different from the opening and closing directions of the mold, the plastic parts cannot...More+
Air Chamber MoldWith over 15 years of pre-deformed mold, USM Mold has mastered scientific and complete pre-deformation mold technology, from project management, mold flow analysis, design, manufacturing, assembling, mold trial, and final measurement.More+
- The design principle of the exhaust slotThe exhaust system of plastic molds is also very important, if the product has air trapping or exhaust system is not suitable will have a big impact on injection molding production and product quality...More+
- Plastic Box MouldThe operation way of smart home appliances is very diversified, It can be operated with a smart touch screen, a scene remote control, a mobile phone, or a computer. There is no limitation for time and place which can be operated at any time and any place, any devices realize intelligent control.More+
32 Cavity MoldUSM has many years of experience in the design and manufacturing of multi-cavity molds and is particularly good at fast-selling products in medical and daily consumer products.More+
Comparison of water-assisted and gas-assisted injection moldingComparing with water-assisted injection molding technology and gas-assisted injection molding technology, the fundamental difference is the nature of the auxiliary molding media used. One is liquid an...More+
- Factors affecting the cooling rate of parts by injection moldingIt should be shaped by cooling to get stable plastic part after plastic filling the cavity and core side, so most injection molds need to be equipped with cooling devices to make the mold temperature ...More+
Automotive Door MoldThe plastic application in automotive is divided into interior parts, exterior parts, and functional parts. According to different material properties, plastics are usually divided into three types: general plastics, engineering plastics, and special plastics.More+
- Insert pin of vengting design for molded partsInsert pin of venting:It is difficult to make exhaust slot when end runner is not in parting surface during injection, and there is no matching gap available, but we could make the venting pin at end ...More+
- Banana gate of plastic injection mold runner system designIn order to get the best injection quality, the gate type must be selected carefully, the coommon gate tyeps are: direct gate, side gate, pin-point gate, sub gate,valve gate of hot runner etc. Among ...More+
Five Major Steps of the Injection Mold Production ProcessInjection mold manufacturing can be roughly divided into the following steps:Process analysis of plastic products.More+
- Cold Runner MouldCompared with the hot runner mold, a cold runner mold does not require a special heating system for the runner system. It will be cooled with the product together and taken out after injection finishing, and then cut the runner, the cold runner mold is what we often call the traditional mold.More+
Direct gate of plastic injection mold runner system designIn order to get the best injection quality, the gate type must be selected carefully, the coommon gate tyeps are: direct gate, side gate, pin-point gate, sub gate,valve gate of hot runner etc. Among ...More+
- Well-ventilated steel of venting design for molded partsWell-ventilated steel is a sintered alloy, iIt is a porous material sintered with spherical particle alloys, the pore size is 7-10μm and the strength is poor, but the texture is loose which allow th...More+
- Cold Runner & Hot Runner Plastic MoldCommon Hot Runner Temperature Sensing Wires Types And CharacteristicsGenerally, the temperature-sensitive wire is composed of steel wire insulated with a heat-sensitive material, the temperature sensig wire is commonly known as the "thermocouple".More+
- Plastic Insert MoldThe easy formability and bendability of resin complement each other with the rigidity, strength, and heat resistance of the metal, and they can be made into complex and exquisite metal-plastic integrated products.More+
Plastic injection mold runner system design pointsWhen designing the gating system, Firstly, we should consider making the plastic melt fill the cavity with core side quickly to reduce pressure and heat loss; secondly, it should be economically cons...More+
- Plastic Switch MouldUSM is an ISO9001:2015 certified mold and injection molding factory. It has its own unique solutions from smart home appliance product development for mold design, mold manufacturing, and injection molding production.More+
Slider spring hength and strength calculationProcessing size:1. ØD2=ØD+22. Ll = total spring length (L) - preload value of spring (N) - slider core pulling distance (L2)Spring length calculation: (refer to picture 1 for length calculation)★L...More+
Plastic injection mold heatingWhen the plastic injection molding process requires the mold temperature to be above 80°C, a temperature adjustment system with heating function must be provided in the mold. In addition, thermoplast...More+
- Banana gate of plastic injection mold runner system designIn order to get the best injection quality, the gate type must be selected carefully, the coommon gate tyeps are: direct gate, side gate, pin-point gate, sub gate,valve gate of hot runner etc. Among ...More+
Medical Plastic MoldProduct material: PP material in medical-gradeMold steel: S136 HRC 52-54Mold life: 1 millionHot runner brand: IncoeMold base: LKMSurface finishing: Mirror polishingMold lead time: 6 weeksMore+
- What is L-shaped barrel two-color injection molding? What is 90-degree vertical barrel two-color injection molding?More+
- Plastic Pipe MoldThe booster pressurizes the nitrogen in the low-pressure storage cylinder into workable high-pressure nitrogen, and stores it in the high-pressure nitrogen cylinder, the maximum pressure of the nitrogen can reach 35MPa in the process.More+
- The design principle of the exhaust slotThe exhaust system of plastic molds is also very important, if the product has air trapping or exhaust system is not suitable will have a big impact on injection molding production and product quality...More+
Automotive Window Frame MouldUSM has 15 years of experience in pre-deformed mold designing, From the mold flow analysis to get theoretical deformation amount, and then make Crim's test by UDB material file which used to obtain the actual deformation amount, then leave enough space for steel when mold design according to professional experience in order to shorten the modification time and longer mold life.More+
- The difference between full shot and short shot of gas-assisted injection moldingGas-assisted injection molding can be divided into short shot and full shot.Short shot The short shot method is shown in picture 1, it is suitable for thick-walled plastic parts with low mold filli...More+
- Design & EngineeringWe always insist that Design & Engineering is the core for mold, the USM engineering team will maintain communication closely with our customers at any time, from a project starting, they will participate in the customer's product design together.More+
- What is Ejection Molding?The process to get injection molded products is called injection molding, or called injection. Injection molding is an important method in polymer molding processing, it is characterized by a short molding cycle and high production efficiency.More+
- Gas & Water Assisted Injection MoldThe differences between water-assisted and gas-assisted molding1. Water-assisted injection molding uses water, and it can be recycled and reused, so the medium water of the two molding processes is cheaper than nitrogen.More+
Mold AssemblingTo assemble the mold but not without fitting is the goal for every bench worker, and it has become the soul of every USM employee.More+
- Design principle of plastic injection mold cooling systemDesign principle of cooling systemIn order to improve the efficiency of the cooling system and make the cavity surface temperature distribution even, the following principles should be followed in the...More+
- Project ManagementThe project manager is the window for external communication and the bridge for the internal transmission of customer information in USM.More+
Video of Dongguan international machine tool exhibition in 2021USM (UNIQUE SOLUTIONS MOLD LIMITED) was founded in 2012 and is located in Dongguan City, Guangdong Province, a famous mould manufacturing province in China.More+
Metal Insert MoldFor rigid molded parts and curved elastic molded products on rubber gaskets, after injection molding on the substrate, an integrated product can be made, and the complicated operation of arranging the sealing ring can be omitted, making the automatic combination of the subsequent processes easier. Because it is the joining of the molten material and the metal insert, compared with the press-in molding method, the gap of the metal insert can be designed to be narrower, and the reliability of composite product molding is higher.More+
Automotive Mold SupplierWith over 15 years of experience in automotive mold development and production, USM will make mold flow analysis from the DFM report step to ensure that the pressure will be controlled at a reasonable range during injection, and there are no weld marks and other defects on the part surface.More+
- Design standard of exhaust slotThe exhaust system should ensure that the gas in the cavity is smoothly discharged, and also prevent the material from entering and exhausting channels from causing flashing of the product or blockage...More+
Plastic injection mold cooling system design noticeDesign notice of designing the cooling system:1. Normal molds can be quickly cooled to obtain a shorter molding cycle, and precision molds can be slowly cooled with a mold temperature thermometer;2. U...More+
- Automotive Window Frame MouldUSM has 15 years of experience in pre-deformed mold designing, From the mold flow analysis to get theoretical deformation amount, and then make Crim's test by UDB material file which used to obtain the actual deformation amount, then leave enough space for steel when mold design according to professional experience in order to shorten the modification time and longer mold life.More+
What is Called Draft Angle?The draft angle is also called demold angle and angle which is used for product removal from the mold and designed on the parting surface, the angle is called draft angle which shows in pictureMore+
Plastic part ribs desiginingThe ribs function: The role of ribs is to improve the strength and rigidity of the plastic parts, prevent the plastic parts from being distorted and deformed, and will not cause the appearance of t...More+
Overmolding & 2k MoldingMaterial selection for two-color products: The same type of material of different colors is usually used for two-color injection molding so that the bonding strength of the first color and the second color plastic is the best.More+
Slider designing tips 2The molding parting surface of the slider molding should be made as a shut-off surface as possible, and the width of the shut-off part should be at least 8mm, and do not make a shut-off surface;When u...More+
Insert Mold PartsInsert molding is injected with plastic part processing, the insert can be plastic or metal, normally it will be metal parts or thread parts, they must be in a fixed area before injection, so it will be fitting very well after injection finishing. Normally these products request a high standard of strength.More+
Quality ControlQuality is the soul of USM at all times, the procedure of quality control, quality insurance, and quality monitoring are integrated into every operation step, and all operations are guaranteed with ISO 90001.More+
Plastic injection mold runner system designThe gate is the connecting part between the runner and the cavity, and is also the end part of the injection mold gating system, the molten plastic enters the cavity and core side through the gate dir...More+
- Direct gate of plastic injection mold runner system designIn order to get the best injection quality, the gate type must be selected carefully, the coommon gate tyeps are: direct gate, side gate, pin-point gate, sub gate,valve gate of hot runner etc. Among ...More+
- Leading manufacturers of plastic injection mould and molded parts.We have always pushed developments forward and set benchmarks in Automtive, High precision and 2K molding and other industrial parts.More+
Limitations of gas-assisted injection molding technologyGas-assisted injection molding technology has obvious advantages in thick wall thicknes and tpipe parts, but this technology still has many limitations, which are mainly reflected in the following asp...More+
- Slider designing tips 2The molding parting surface of the slider molding should be made as a shut-off surface as possible, and the width of the shut-off part should be at least 8mm, and do not make a shut-off surface;When u...More+
The principle of mold temperature balance in plastic mold cooling system designThe principle of mold temperature balance:1. Due to the complexity of the plastic parts and mold structure, it is difficult to make the temperature of the mold completely consistent, but should be mak...More+
Switch Cover Injection MoldThe K-type thermocouple is a metal thermocouple with strong oxidation resistance, which can measure the medium temperature of 0~1300℃, suitable for continuous use in oxidizing and inert gases, the short-term use temperature is 1200°C, and the long-term use temperature is 1000°C, the relationship between thermoelectric potential and temperature is approximately linear, and it is currently the biggest thermocouple.More+
Automotive AC Air OutletThe air outlets of automotive AC are generally assembled by multiple parts, classified according to their functions and purposes: there are exterior molds, functional molds, or both exterior and functional molds.More+
- Success factors of USMThe ability to produce mold at the high international standard, strong engineering and design capability, aggressive lead time and competitive priceMore+
- Water Assisted Injection MouldBecause the flow rate of the outer layer of the melt is slow and the speed of the inner layer is fast, the inner layer of melt will roll outwards and stick to the mold cavity while advancing.More+
Temperature system of injection moldHi everyone,the mold cooling time is the longest during injection, so the design of mold temperature system controlling is very important, we will talk about mold cooling, heating system in following 10 blog.More+
- About UsUSM is one of the world's leading manufacturers of plastic injection mould and molded parts. We have always pushed developments forward and set benchmarks in Automtive, High precision and 2K moldi...More+
USM Blogo OpeningHello everyone! Our blog is open today, it is very glad to have the opportunity to meet you here, welcome to visit us whenever you need.More+
- Parting surface venting of runner systemThere are a large amount of gas in the main and sub channel, these gas are discharged through the pull rod (push rod) during injection processing, a part of gas come out from exhaust slot on parting s...More+
- What is L-shaped barrel two-color injection molding? What is 90-degree vertical barrel two-color injection molding?More+
Medical Mold Injection ProductMedical devices have strict standards for molds, mainly involved in mold design, mold steel, manufacturing accuracy, sanitary production conditions, and transportation condition and many other aspects.More+
- Automotive Mold SupplierWith over 15 years of experience in automotive mold development and production, USM will make mold flow analysis from the DFM report step to ensure that the pressure will be controlled at a reasonable range during injection, and there are no weld marks and other defects on the part surface.More+
- Plastic injection mold runner system design pointsWhen designing the gating system, Firstly, we should consider making the plastic melt fill the cavity with core side quickly to reduce pressure and heat loss; secondly, it should be economically cons...More+
- The common fixing method of angle pinThe angle pin is a common part of the drive slider, and the fixing and installation methods as following:1. Pass through the mold plate directly and press the angle pin with the top plate to fix it, a...More+
- Water Proof Plastic Enclosure MoldThe product will be made by two times, which will inject the second piece after finishing the first piece in the other mold and different injection machine, normally will be no specific request for 2 different pieces injection time, injection machine.More+
- Project ManagementThe project manager is the window for external communication and the bridge for the internal transmission of customer information in USM.More+
- The design requirements of slider wear plate1. The wear plate of slider requires hardening treatment, with a hardness of 45-48HRC;2. The friction surface of the wear plate is required to be 1.0mm higher than the slider surface (see picture-1);3...More+
Automotive Fan MouldThe common products used to be water chambers, air chambers, engine inlet valve pipe and nylon connectors, and automotive AC systems: fan covers, fans, automotive brackets, sunroofs, mirror triangle brackets, automotive bottom sheets, and so on.More+
- 2K MoldThis mold will be put with a movable core on gate position of the core side, the movable core is pushed to the rising position when injecting the first-color material, and the first color part is solidified, After that, the movable core return back through the action of the hydraulic device, at this time, another barrel injects the second color material into the space left by the retreat of the core, the mold is opened and the part is taken out after finishing one injection after it's solid.More+
Classification of side parting and core pulling mechanismAccording to the structural characteristics, the side core-pulling mechanisms are divided into the following six categories:1. The side core-pulling mechanism of "slider + guide pin";2. The ...More+
- Key points of plastic injection mold runner systemThe sub-runner is a transitional channel between the main runner and the gate, as the sub-runner is the longgest part of gating system, so it is very important to enhance the parts quality and improve...More+
- What is the side parting and core pulling mechanisms with their function?When there are holes, cavities or cores on the inside or outside of the injection-molded plastic parts that are different from the opening and closing directions of the mold, the plastic parts cannot...More+
