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Considerations for choosing household micro pumps

At present, many farmers want to buy household micro pumps that are suitable for household use. Since there are many types of micro pumps, the models are different. When choosing a micro pump, which pump is better to choose? The following aspects must be paid attention to when choosing:

1. Choose the pump flow

The flow rate of the household micro pump must be considered according to the water demand, water source conditions and usage of the user's courtyard planting, breeding, processing and living. If the water source is sufficient, the flow rate of the pump is mainly determined according to the maximum water demand. The flow rate of the selected water pump must be basically in line with the water demand and water source conditions.

2. Choose a water pump

The head on the nameplate of the selected household micro pump should be greater than the actual water delivery height. Under normal circumstances, the head of the selected household micropump WXB series should be 20% larger than the actual head; WQ series should be 10% larger than the actual indicated head. Similarly, the suction head of the WXB series pump (allowing the vacuum height) should also be greater than the actual suction head, otherwise, it will be difficult for the pump to pump water.

3. Choose a power source

At present, household micro pumps are distinguished from the power requirements of the matching motors. There are motors that require three-phase power and the voltage is 380 volts; there are motors that require single-phase power and the voltage is 220 volts, so pay attention to when purchasing. The general household lighting power supply is 220 volts, and it is more economical and convenient to buy a household micro pump with 220 volt power supply.

4. Type

What types of household micro pumps are divided into, there are self-priming pumps, centrifugal pumps, submersible pumps, and the size of the pump should be selected according to the water volume and practicality. The advantage of self-priming pumps is that they can directly absorb water. Normal household micro pumps need to be 1500 watts. However, the water must be clean, and there must be no silt or small sand in the water. The power will be reduced when used, because the centrifugal switch is automatically disconnected, which can save energy.

5. Pay attention to the matching of well and pump installation dimensions

The water source is well water, and the coordination of the inner diameter of the well hole and the maximum outer diameter of the pump body must also be considered. If you choose wQ series micro submersible pumps, you must pay attention to the maximum outer diameter of the pump should be smaller than the well bore micro pump.

6. The price of household micro pumps

For the first purchase, shop around, accurately calculate the price of the pump, and then choose the product that can meet the price you require. The follow-up investigation of the sold products by some foreign pump factories shows that the largest amount of money spent by the pump in its service life is not the initial purchase cost, nor the maintenance cost, but the electric energy consumed.

I was surprised to find that the value of electric energy consumed by the original pump has far exceeded its own purchase cost and maintenance cost. Considering its own use efficiency, noise, manual maintenance and other reasons, then, when we buy a household micro pump , What reason do we have to buy those "parallel imports" products of inferior quality and low price?

The above are some factors that need to be considered when choosing a micro pump. There are

many types of micro pumps

, and there are many other practical factors that need to be considered in the actual use of household micro pumps.

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Principle and scope of application

The injection pump

is composed of a stepper motor and its driver, a screw rod and a bracket, etc. It has a reciprocating screw rod and nut, so it is also called a screw pump. The nut is connected with the piston of the syringe, and the liquid medicine is contained in the syringe to realize high-precision, stable, and pulsation-free liquid transmission.

Injection pumps can be divided into medical and non-medical, as well as laboratory micro-injection pumps and industrial injection pumps. According to the number of channels, they can be divided into single-channel and multi-channel (dual-channel, four-channel, six-channel, eight-channel, ten-channel). Channels, etc.), according to the working mode can be divided into single push and push-pull and two-way push-pull mode, according to the structure can be divided into split type and combined type, and so on.

The injection pump accurately controls the precision stepping motor by the microprocessor, generates a translational thrust through the mechanical transmission device, and uses various sensors to accurately control the injection speed of the disposable syringe and monitor the injection process.

injection pumps are suitable for clinical treatments that require long-term, uniform and precise control of injection speed and monitoring of the injection process. It can be widely used in routine intravenous injection, anesthetic injection, anticoagulant injection, and drug chemotherapy for cancer patients in various clinical departments. It is suitable for internal medicine intensive care unit, neurology intensive care unit, etc.

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The use of the injection pump

The injection pump is a precision instrument that can control the injection speed of the syringe. The application of the injection pump is very wide, and most of the fields that need to transmit small flow liquids can be used. In actual operation, there are some usage items of the injection pump that should be known.

1. Principle and scope of application

The injection pump

is composed of a stepper motor and its driver, a screw rod and a bracket, etc. It has a reciprocating screw rod and nut, so it is also called a screw pump. The nut is connected with the piston of the syringe, and the liquid medicine is contained in the syringe to realize high-precision, stable, and pulsation-free liquid transmission.

Injection pumps can be divided into medical and non-medical, as well as laboratory micro-injection pumps and industrial injection pumps. According to the number of channels, they can be divided into single-channel and multi-channel (dual-channel, four-channel, six-channel, eight-channel, ten-channel). Channels, etc.), according to the working mode can be divided into single push and push-pull and two-way push-pull mode, according to the structure can be divided into split type and combined type, and so on.

The injection pump accurately controls the precision stepping motor by the microprocessor, generates a translational thrust through the mechanical transmission device, and uses various sensors to accurately control the injection speed of the disposable syringe and monitor the injection process.

injection pumps are suitable for clinical treatments that require long-term, uniform and precise control of injection speed and monitoring of the injection process. It can be widely used in routine intravenous injection, anesthetic injection, anticoagulant injection, and drug chemotherapy for cancer patients in various clinical departments. It is suitable for internal medicine intensive care unit, neurology intensive care unit, etc.

2. What should I pay attention to when using the injection pump?

This equipment is not suitable for use in the presence of flammable anesthetic gas mixed with air, oxygen or nitrous oxide. Use in the presence of such mixtures may cause explosion or fire.

In order to avoid possible failure of the injection pump, please do not expose the pump to X-rays, 1-rays or ionizing radiation, or subject it to radio frequency interference or strong electric field (magnetic field) interference generated by diathermy or mobile phones. If the pump is to be used or used in conjunction with magnetic resonance imaging (MRI) equipment, the pump must be protected from the magnetic field generated by such equipment. injection

Failure of the pump can result in incorrect injections or insufficient injection, resulting in patient injury or death.

To ensure that the intended injection purpose is achieved, the data must be entered correctly. The user should ensure that the data is correct before confirming the displayed data. If the data is not correct, it will cause the pump function to decline and cause patient injury or death.

Clinical medical staff must ensure that they are within the visible and audible range of the injection pump. In order to be able to quickly respond to important alarms. Failure to respond quickly to the alarm can result in patient injury or death.

The user should confirm that the performance provided by the pump conforms to the intended use and is not used for unintended use in any way or for any purpose. Failure to do so will cause the pump to function poorly and cause injury or death to the patient or user.

Prohibit the use of problematic pumps. If the injection pump detects a failure, the pump will give an alarm and the indicator light will display "Err". If this happens, turn off the pump, disconnect the power supply, and give it to a qualified engineer. Incorrect performance of the injection pump can cause complications and cause death or injury to the patient.

Proper handling of battery charging is necessary to ensure that the pump runs on internal battery power within a specified time. If the battery cannot be charged properly, the pump function will be damaged.

Cause casualties of patients. Before injection, the obstruction alarm level must be checked to ensure that it meets the injection requirements. Otherwise, it may cause the obstruction alarm time to be delayed, resulting in patient injury or death.

If a pipeline blockage alarm occurs, immediately turn off

the flow regulator

, briefly press the syringe piston release handle to reduce the tube pressure to eliminate the possibility of the drug being injected into the patient, and then check whether the infusion pipeline is bent, blocked or the infusion set cap Not removed, etc., to eliminate the blockage before re-injection. Accidental drug injection can cause casualties to patients.

The volume in the connecting pipe is the residual volume and will not be injected. When filling the syringe and emptying the system for the first time, this additional liquid must be made up.

The above is a brief introduction to the injection pump. The application of the injection pump is very wide. If you are a professional operator,  the usage items of the injection pump should be memorized.

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Equipment performance and technical indicators of aseptic filling machine

Provide a variety of safety measures (position control, measurement control, temperature control) to prevent mechanical damage and ensure product quality;

Adopt mass weighing system control to

realize quantitative filling

, and the filling is more accurate;

Mirror welding technology is used to ensure the smooth and flat welding seam, leaving no sanitary corners;

The product valve and the moving parts of the filling head are protected by a steam barrier, and the filling room is sterilized by steam;

The programmable controller is used to realize the automatic operation of the equipment.

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Definition of aseptic filling machine

The aseptic filling machine is directly connected to the sterilization machine, and the products after UHT sterilization can be directly filled in the aseptic bag. The aseptic bag is an aluminum-plastic composite multi-layer bag, which can effectively isolate sunlight and oxygen; guarantee the product quality to the greatest extent. The temperature adjustment system automatically adjusts the temperature of the filling room, and sterilizes the bag mouth and the filling room using steam injection. The aseptic filling machine can fill various kinds of aseptic bags or aseptic packaging boxes from 1L to 1300L.

The equipment can expand the beverage filling process and maintain the nutritional content, flavor and color of beverage products, especially for some heat-sensitive beverages, and provides a wide range of space for product appearance diversification design and lowering the cost of PET bottles.

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Application and types of aseptic filling machine

Today, aseptic filling machines are widely used in aseptic packaging of food, and at the same time, there are more and more types of aseptic filling machines.

1. Definition

The aseptic filling machine is directly connected to the sterilization machine, and the products after UHT sterilization can be directly filled in the aseptic bag. The aseptic bag is an aluminum-plastic composite multi-layer bag, which can effectively isolate sunlight and oxygen; guarantee the product quality to the greatest extent. The temperature adjustment system automatically adjusts the temperature of the filling room, and sterilizes the bag mouth and the filling room using steam injection. The aseptic filling machine can fill various kinds of aseptic bags or aseptic packaging boxes from 1L to 1300L.

The equipment can expand the beverage filling process and maintain the nutritional content, flavor and color of beverage products, especially for some heat-sensitive beverages, and provides a wide range of space for product appearance diversification design and lowering the cost of PET bottles.

2. Application

In simple terms, the function of the aseptic plastic bag filling machine is to pack sterilized food (dairy products, etc.) in an aseptic environment, and seal it in a sterilized container, in order to prevent preservatives and refrigeration. Under the conditions to get a longer shelf life.

The aseptic filling machine is widely used in the aseptic packaging of fluid foods such as juice, syrup and jam. At room temperature, the product can be stored for more than one year, which can save the cost and risk of low-temperature refrigeration transportation.

Aseptic processing beverage packaging technology is mainly used in fluid foods that can be continuously transported. The aseptic process is a very complex continuous production process. Any error or microbial recontamination of the product during this process will affect the entire aseptic system. The failure of the whole batch of products at the same time affects the health and safety of the whole batch of products. The clean concept has a very important application in the safe production of aseptic filling machines. A sterile and clean environment must be established and produced in the packaging system, so that sterilized products can be filled into sterile packaging containers in this area, and then sealed.

3. Equipment performance and technical indicators

Provide a variety of safety measures (position control, measurement control, temperature control) to prevent mechanical damage and ensure product quality;

Adopt mass weighing system control to

realize quantitative filling

, and the filling is more accurate;

Mirror welding technology is used to ensure the smooth and flat welding seam, leaving no sanitary corners;

The product valve and the moving parts of the filling head are protected by a steam barrier, and the filling room is sterilized by steam;

The programmable controller is used to realize the automatic operation of the equipment.

4. Type

Tube-type aseptic filling machine and plate-changing aseptic filling machine used in the food industry such as fruit juice, jam, pulp, milk, etc.;  

The larger and more excellent product quality is the Flash Cooler, which uses the direct injection of steam into the product-type aseptic filling machine, and instant sterilization can more fully ensure the color and appearance of the product. , Taste, currently mainly used in the milk and orange juice industries with relatively large production volume, and the tomato sauce industry that requires particularly large processing volume;  

In the production of small can packaging industry, there is also a reaction kettle type aseptic filling machine;

The aseptic liquid filling machine includes a frame on which a conveying mechanism, a filling mechanism, a stoppering mechanism and a stopper feeding mechanism are arranged, and the conveying mechanism is located below the filling head of the filling mechanism, so The filling mechanism includes a bottle inlet end and a bottle outlet end, the stoppering mechanism is arranged at the bottle outlet end, and the stopper feeding mechanism is connected to the stoppering mechanism, characterized in that the frame is also provided with an inverted bottle An automatic rejection mechanism, the inverted bottle automatic rejection mechanism is arranged at the bottle inlet end. A compound cylinder is arranged at the upper end of the aseptic filling machine room, and the compound cylinder is composed of three cylinders, three pistons and two layers of sleeve-type piston rods on the same axis. The present invention is provided with a compound cylinder and an aseptic filling chamber. Therefore, it can ensure the sterility in the filling process, and also has the advantages of simple equipment structure, steam sterilization, and no other chemical residues in the filling bag and at the mouth of the bottle.

The above is a brief introduction to the aseptic filling machine. Aseptic filling equipment continues to develop, and the aseptic packaging of food is becoming more and more specialized. With the advancement of technology and technology, the hygiene and safety of products in the food industry are constantly improving.

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Advantages of spraying equipment

Spraying equipment is also called coating equipment. Specifically define special tools for covering metal and non-metal surfaces with protective or decorative layers. Relatively speaking, the cost is less than that of the spraying robot, the operation is simple, and it is suitable for mass production, uniform spraying, straight spraying and uniform atomization, saving labor and material costs, and suitable for mass production.

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spraying equipment and spraying robot

I believe that everyone who has known spray robots knows that most people think that spraying robots and spraying equipment are of the same kind, but in fact they are not the same, their appearance and functions are different, although in the spraying industry, these two spraying products belong to the same.They are all spraying machinery and equipment, but the advantages of these two products are also different. The following is a detailed introduction to the advantages of spraying robots and spraying equipment.

After the reform and opening up, the spraying equipment is a product of the environment where the development of industrial technology and automation are becoming more and more common. With the increasing degree of automation, the application of spraying production lines has become more and more extensive, and has penetrated into many areas of the national economy. According to the degree of automation, the spraying equipment on the market can be divided into three types: manual spraying equipment, semi-automatic spraying equipment and fully automatic spraying equipment.

1. The advantages of spraying robots

First of all, let's talk about the advantages of spraying robots. Compared with ordinary manual spraying and spraying equipment, spraying robots have higher spraying quality. They can spray accurately according to the trajectory, without offset, and perfectly control the start of the spray gun. Ensure that the specified spray thickness, the deviation is controlled to a minimum.

Compared with ordinary manual spraying and spraying equipment, the use of spraying robot spraying saves spray paint and spraying agent. Spraying robot spraying can reduce the waste of spraying and spraying, extend the filter life, reduce the mud content of the spray booth, and significantly extend the working time of the filter. Reduce spray booth fouling. Conveyance level increased by 30%!

Compared with spraying equipment, spraying with spraying robots has higher flexibility, and spraying with spraying robots can spray products with complex geometric structures or different sizes and colors. In addition, spraying robots can significantly increase production efficiency when spraying, and at the same time reduce costs for enterprises.

Using spraying robots for spraying can spray products with complex geometries or different sizes and colors. In addition, a simple programming system allows automatic production of small batches of workpieces. After the initial production, the robot spraying production line can be updated at any time.

2. Disadvantages of spraying robots

Compared with labor and spraying equipment, the first purchase cost is high. If the cost is limited, it is recommended to buy spraying equipment.

3. Advantages of spraying equipment

With the development of industrial technology, pure handwork can no longer meet the needs of the market. Spraying has developed from manual to industrial automation, and the degree of automation is getting higher and higher. Therefore, the application of spraying production lines has become more and more extensive, and Many areas of the national economy. In our country, especially after the reform and opening up, spraying equipment has made great progress.

Spraying equipment is also called coating equipment. Specifically define special tools for covering metal and non-metal surfaces with protective or decorative layers. Relatively speaking, the cost is less than that of the spraying robot, the operation is simple, and it is suitable for mass production, uniform spraying, straight spraying and uniform atomization, saving labor and material costs, and suitable for mass production.

The spraying operation is fast, especially for workpieces with relatively flat and regular shapes, uniform surface spraying, automatic production, and saving human resources. Compared with some manual spraying, it saves paint.

Automatic spraying equipment, including a motor vehicle that can run on the ground and an automatic horizontal spraying device suspended at the rear of the motor vehicle. The motor vehicle is equipped with a control system for controlling the longitudinal uniform movement of the motor vehicle and controlling the automatic horizontal spraying device for horizontal spraying. The automatic spraying equipment can automatically spray a large area according to the set parameters, reduce the number of workers, and have high spraying efficiency; the spraying quality is stable and uniform.

4. Disadvantages of spraying equipment

It is not conducive to the large area of spray processing products, and it is not possible to spray multiple colors through the above comparison. The spraying robot is more comprehensive than the spraying equipment, with strong flexibility, higher spraying efficiency, and good quality of sprayed products. Consider from a long-term perspective It is more cost-effective to use a spray robot.

The above are the advantages of spraying robots and spraying equipment for everyone. I believe that after reading the above content, you will have a general understanding of the spraying robots and spraying machinery and equipment. In the actual purchase, everyone chooses to purchase according to the actual situation of their work. At present, the spraying industry I have worked on continues to develop, and I believe that in the future, spraying equipment and spraying robots will have leapfrog development.

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How to adjust metering pump flow

The metering pump is a special volume pump that can meet the needs of various strict technological processes. The flow of the metering pump can be steplessly adjusted in the range of 0% to 100%, and is used to transport liquids. Metering pumps are also called quantitative pumps or proportional pumps. Therefore, for a mechanical product such as a pump, the adjustment of the flow rate of the metering pump is very important. So in the conveying process, how is the flow rate of the metering pump adjusted, and what are the ways to adjust the flow rate? Next, let us take a look.

The traditional working method is to manually adjust the fine-tuning screw of the pump manually, and then change the effective stroke of the plunger (or diaphragm), so as to achieve the purpose of quantitative measurement and detection of the output liquid.

The flow of the metering pump is adjusted by rotating the adjustment hand wheel to drive the adjustment screw to rotate, thereby changing the distance between the bow-shaped connecting rods and changing the stroke of the plunger (piston) in the pump cavity to determine the flow rate. The scale of the adjustment handwheel determines the stroke of the plunger, with an accuracy rate of 95%.

There are three commonly used adjustment methods for metering pump flow: adjusting plunger (or piston) stroke, adjusting pump speed, and combining stroke and pump speed. Among them, the method of adjusting stroke is the most widely used. The method is simple and reliable, and can maintain high measurement accuracy even at low flow rates.

There are three common methods for adjusting the flow of the metering pump.

1. Set up a bypass loop in the output piping system, then adjust the bypass valve and control the return flow so that the purpose of adjusting the output flow of the system is achieved.

However, this method is not perfect, and energy loss may be increased under this operation, so this is also a major disadvantage of this flow regulation method.

2. Adjust the flow of the metering pump by changing the speed of the pump. This method needs to be carried out when the average flow rate of the pump is proportional to the speed. The reciprocating pump has this characteristic. Therefore, the flow of the metering pump can be adjusted in this way; in addition, the flow rate is adjusted by changing the speed. The method also needs to adjust the speed of the device or the motor. However, when the flow rate is small, the number of strokes is too small and the discharge time is too long, which is not allowed for certain chemical reactions, so more attention is needed.

3. There is also a more commonly used method, which is to adjust The flow of the metering pump by adjusting the stroke length of the pump piston (plunger). A major advantage of this method is the high measurement accuracy, and even at small flow rates. Under the circumstances, the linearity requirement can still be met, which can be said to be a more effective method.

During operation, we usually encounter the problem of unstable flow of the metering pump. How to solve it?

1. The metering pump infusion line is blocked

When the dosing metering pump transports chemical ingredients, if the quality of the medicine is not good, there will be a lot of insoluble solid particles, which will cause the filter screen and the one-way valve in the pump to block, so it needs to be cleaned and dredged. It is recommended to try Transport the medium after the medicament is fully dissolved. In addition, regarding the reasons for the unstable the flow of the metering pump, when transporting some liquids with higher viscosity, the medium may also stick to the inner wall of the pipeline. Consider diluting the medium or changing to a higher viscosity. Standard pump.

2. The metering pump itself fails

The flow of the metering pump is a precision transportation equipment with more complicated parts. If it is improperly maintained or exceeds the normal service life, the internal parts will age or wear, which will cause abnormal flow. For this, the pump body needs to be removed and inspected gradually after the construction environment has been cleaned out. Vulnerable parts, such as valve balls, diaphragms, washers, bearings, etc., are no longer suitable for use as needed. In addition, abnormal working conditions can also lead to equipment failure. If the pump has fluid leakage, excessive gear noise, abnormal pressure fluctuations, and large damper vibrations, the pump must be stopped for inspection in time.

The above are some common methods for adjusting the flow of metering pumps, and solutions for how to stabilize the flow of metering pumps. In the process of actual operation of the metering pump, there are actually many other methods for adjusting the flow rate of the metering pump, which require the operator to choose according to the actual operation. The maximum efficiency can be exerted only by adjusting according to the actual situation.

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How to improve dispensing efficiency?

Since entering the 21st century, the dspensiing market has become more and more hot, and domestic dispensing machine manufacturers have also blossomed. As dispensing applications become more and more widespread in consumer electronics, in order to adapt to the fast pace of the overall manufacturing process of consumer electronics, customers have higher and higher requirements for dispensing efficiency.

How to improve the efficiency of dispensing?

Dispensing is a widely-existing processing technology, and its application range is wide, ranging from the manufacture of airplanes and ships to the production of clothes and toys, and there will be corresponding dispensing needs. Since entering the 21st century, the dispensing market has become more and more hot, and domestic dispensing machine manufacturers have also blossomed. There are various types of dispensing, such as fluid dispensing, liquid metal dispensing and so on. With the professionalization of dispensing technology, how to improve dispensing efficiency has become a problem that more and more people study.

First of all, let's carefully analyze a complete dispensing process, taking most of the dispensing applications in the consumer electronics SMT process as an example. A complete dispensing process generally includes the following actions: board feeding, reference point identification, height measurement, actual dispensing, automatic nozzle cleaning, and board ejection. Improving the dispensing efficiency or reducing the entire dispensing cycle time requires us to analyze and optimize all the beat times in this process. Next, we will discuss some methods and suggestions to improve dispensing efficiency.

1.Choose a large manufacturer instead of a small workshop, so that the quality of the product can be guaranteed, otherwise the machine will have problems every three days, which will affect the production efficiency. Choose those old brands that sell dispensers for a long time, so that their products are more mature and there will be no problems, so that production efficiency can be guaranteed. If you choose a dispenser that is cost-effective, or if you have a higher process requirement, it is recommended to choose a dispenser of high-end brands, which are often branded equipment with more exports.

2. When dispensing glue, there are many ways and methods that can be used, but because many products have high quality requirements, advanced technology is needed to achieve the process goal. At this time, the application of fully automatic equipment can play an important role. Accurate process effects can be achieved by installing and using fully automatic equipment, which can shorten the time and reduce production costs when performing glue dispensing operations through these equipment, which has a lot of help for improving work efficiency.

3. The use of fully automatic dispensing equipment can also complete various complex technological processes, and can also make the work flow in line with the purpose of intelligent operation, so that manufacturers can save manpower expenses, and it is more in line with the development needs of modern society. In addition, this equipment can also solve a large number of production problems during the process of being put into use. The use of this fully automatic equipment can expand the scope of production and processing, whether it is making simple daily necessities or making ships, etc., it can be completed as required.

4. Nowadays, the application of automatic dispensing equipment has been very extensive, and it is also welcomed by various industries. In order to better complete the processing and production operations and improve work efficiency, it is necessary to pay attention to the use of these equipment to promote the development of the industry. More convenient conditions.

5. In the mass production process, machine downtime is also an important measure of production efficiency. In addition to the shutdown caused by abnormal machine failures, due to the particularity of the dispensing process, the regular maintenance of the dispensing valve will also affect the overall production efficiency. Therefore, how to maintain the dispensing valve almost without stopping the line is also a problem that the majority of dispensing customers are very concerned about.

6. The entire dispensing process actually consists of multiple microsteps. We need to analyze each step, and then choose a suitable method to prescribe the right medicine to improve the overall dispensing efficiency. At the same time, we need to do a good job of risk assessment, because speed and accuracy have always been a pair of irreconcilable contradictions. If the product layout permits, we can also increase the dispensing efficiency by increasing the number of dispensing valves—synchronous double valve dispensing, or adding dispensing stations. In the context of the rapid development of consumer electronics dispensing, multi-valve dispensing or multi-station dispensing is not so new, and the accuracy and adjustment capabilities of simultaneous dual-valve dispensing have become the competence of major dispenser manufacturers. Another big ring.

The above are some tips to improve dispensing efficiency. Whether you choose fluid dispensing or liquid metal dispensing or other, you can selectively refer to the above tips.

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Ceramic coating

Compared with metal and polymer materials, ceramic materials have limited deformability. At present, the preparation of ceramic coatings by cold spray technology is challenging. However, with the further development of cold spray equipment and the continuous maturity of cold spray preparation technology, the preparation and application of ceramic coatings will be further expanded.

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Polymer coating

Polymer grafts have mechanical properties close to those of natural bones and can be used as hard tissue replacement materials. However, in the process of preparing organic coatings by thermal spraying, it is necessary to strictly control the spraying parameters to avoid unintended transformation of the material during the heating process.

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Polymer coating

Polymer grafts have mechanical properties close to those of natural bones and can be used as hard tissue replacement materials. However, in the process of preparing organic coatings by thermal spraying, it is necessary to strictly control the spraying parameters to avoid unintended transformation of the material during the heating process.

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Metal coating

Metal biomaterials account for about 40% of the entire biomaterials market due to their excellent and reliable mechanical properties and good processing properties. Among them, Ti alloy, Fe-based alloy and Co-Cr alloy have become the most widely used artificial graft metal materials. The medical titanium alloy system has mechanical properties comparable to bones, such as lower elastic modulus, higher fatigue strength and specific strength, and has become the "gold standard" of biometal materials in the field of biomedicine.

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Application of spraying technology in the field of biomedicine

Spraying technology is an important means to give special properties to the surface of materials. Spraying technology has advantages in the processing of preparing temperature-sensitive biological materials, using cold spraying technology to prepare typical biological materials. At present, cold spray deposition of permanent implantation of metal materials, such as Ti alloy, Fe-based alloy, Co-Cr alloy, and degradable metal material Mg alloy, is relatively mature. In recent years, with the development of spraying technology, it has effectively solved and expanded the coating material system used for surface modification of medical devices, such as cold spraying to prepare polymer material ultra-high molecular weight polyethylene (UHMWPE) coatings, and high-density polyethylene (HDPE) and polyether ether ketone (PEEK) surface cold spraying to prepare biological coating. The most noteworthy spraying or vacuum spraying technology to prepare ceramic coatings, such as hydroxyapatite (HA), hydroxyapatite-graphene (HA-graphene) and titanium dioxide (TiO2), has a breakthrough in the application of biomedical applications . Spraying technology will have greater application space in the low-temperature preparation of functional drug-loaded coatings and the additive manufacturing of personalized medical devices, and will bring more opportunities and possibilities to the surface modification of new biological materials.

In the mid-1980s, during supersonic wind tunnel tests, scientists such as Papyrin discovered that tracer particles exceeding the critical velocity were deposited on the surface of the substrate target, and thus developed the spraying technology. Spraying technology has the advantages of preparing temperature-sensitive materials, enhancing the comprehensive mechanical properties of the coating, and preparing functional drug-carrying (growth factors, antibacterial agents, etc.) coatings. The type of material directly determines the spray deposition characteristics and subsequent performance.In the mid-1980s, during supersonic wind tunnel tests, scientists such as Papyrin discovered that tracer particles exceeding the critical velocity were deposited on the surface of the substrate target, and thus developed the spraying technology. Spraying technology has the advantages of preparing temperature-sensitive materials, enhancing the comprehensive mechanical properties of the coating, and preparing functional drug-carrying (growth factors, antibacterial agents, etc.) coatings. The type of material directly determines the spray deposition characteristics and subsequent performance.

Metal coating

Metal biomaterials account for about 40% of the entire biomaterials market due to their excellent and reliable mechanical properties and good processing properties. Among them, Ti alloy, Fe-based alloy and Co-Cr alloy have become the most widely used artificial graft metal materials. The medical titanium alloy system has mechanical properties comparable to bones, such as lower elastic modulus, higher fatigue strength and specific strength, and has become the "gold standard" of biometal materials in the field of biomedicine.

Polymer coating

Polymer grafts have mechanical properties close to those of natural bones and can be used as hard tissue replacement materials. However, in the process of preparing organic coatings by thermal spraying, it is necessary to strictly control the spraying parameters to avoid unintended transformation of the material during the heating process.

Ceramic coating

Compared with metal and polymer materials, ceramic materials have limited deformability. At present, the preparation of ceramic coatings by cold spray technology is challenging. However, with the further development of cold spray equipment and the continuous maturity of cold spray preparation technology, the preparation and application of ceramic coatings will be further expanded.

FSH-DS128 series spraying system is a new high-precision CNC micro spray atomization system launched by Guangzhou  Ascend Precision Machinery Co.,Ltd.. The system includes a set of high-precision micro ceramic pump system, a XYZ three-axis platform, and a set of micro precision atomization nozzle . It can realize ultra-fine atomization of 5-50 micron fluid, and the minimum spraying volume can be ul level.

As a supplier of spraying system, Guangzhou Ascend Precision Machinery Co.,Ltd. provides products with the highest quality assurance and has won unanimous praise from customers. If you are interested in products, please contact Guangzhou Ascend Precision Machinery Co.,Ltd. Looking forward to your inquiry and purchase.

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Precautions for liquid injection in lithium battery production

1. The cylinder on the liquid injection machine must use process gas with the same pressure as the glove. The pressure is 3-5Bar. 2. The production department should set up a special person to configure the electrolyte, and other people are not allowed to configure the electrolyte at will. 3. When the additive enters the glove box, it is put into the bottle in the glove box. All the bottles containing the additive must be hung with a sign, distinguished by color, and marked on it: additive. 4. Please read this manual carefully before using the liquid injection machine equipment, otherwise accidents such as mechanical failure and personal injury may occur due to improper operation. 5. Regularly check whether the fasteners of the liquid injection machine are loose, whether the sensors, motors, cylinders, solenoid valves, etc. are faulty, so as to avoid unnecessary losses.

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Lithium battery injection equipment

1. Liquid injection equipment; 2. Pressure control equipment, vacuum equipment and pressurizing equipment; 3. Battery fixing structure.