Month: December 2020

Which Kind of Plastic we can Recycle?

Hdpe injection molding requires a professional approach and knowledge. If something goes wrong, it will lead to a huge waste of money, time and materials.

Despite the fact that most manufacturers guarantee the best product quality and take into account possible damage in advance, we will highlight a few issues. These are important when checking a product prototype.

Important Guidelines for hdpe injection molding

Flow lines

The thinnest grooves on the surface of the molded product, similar to the grooves that flowing water leaves behind. The thinnest stripes that differ in color compared to other parts may also appear.  Basically, we can solve this problem by increasing the temperature and pressure inside the mold.

Deformation

Generally, product doesn’t come in proper shape. Therefore, we call this phenomenon “uneven stress”. So, it is important to be expert in hdpe injection molding skills.

Once released from the mold, the plastic deforms to relieve some of the stress. There are several ways to prevent deformation. It includes longer cooling times, increasing wall thickness, and using plastics. There are other things that can also impact its shape too.

Sinks: hdpe injection molding

Shells are small bumps in a product that should not be present, but can occur in the thickest parts of a plastic product. The presence of bulges creates a negative impression of the quality of the product.

Basically, longer and thick plastic parts require more time to adjust. For this, manufacturers require greater focus and attention to solve this issue. Only professional plastic mold manufacturers can guarantee the best product..

Plastic molding methods

Injection molding technology

It is one of the widely used hdpe injection molding technology. Plastic fabricators use it in a number of products.

Injection molding is the ideal way to process plastics to produce cost-effective 3D plastic products of varying complexity and in large quantities.

A heating chamber is used to heat up the plastic mold. Later, we can develop design. For this purpose, we can use 3d printers too. These printers come at various prices. But you can use according to your budget. There the molten mass solidifies, forming finished products upon cooling. Parts are manufactured with a high degree of precision and require minimal machining.

Typical examples of injection molded products are electronic housings, automotive parts, household plastic products, toy parts, medical device housings, and more.

Hdpe injection molding Extrusion

Extrusion is a process in which a finished product is made by forcing a melt of material through a forming hole in an extruder. Best suited for this molding method are PE, PP, PVC, polyamides, TPU.

By means of hdpe injection molding calibration, we can get any desired length of the product. Similarly, extrusion also allows the production of multilayer products with special barrier properties. Typical examples of extrusion are food packaging, foils, pipes and lines.

Blow molding

Blow molding is common to make hollow and bulky thermoplastic parts, where a tube (also called a sleeve or stocking) is formed using an extruder, which then enters the mold, where the product molds by creating an increased air pressure.

Two methods of blow molding differ depending on the selected method of obtaining the preform: extrusion blow molding and injection blow molding.

Due to its high productivity and a high level of automation, blow molding is currently the main method for molding hollow products and allows you to get products with a volume of several milliliters to several hundred liters.

Plastic marking depending on the type

Plastic has long and firmly entered the life of modern people. Most food products get packaged in such containers. Isn’t it harmful? To answer this question, you should familiarize yourself with the hdpe injection molding.

What is it for?

Labeling is necessary so that, for example, when purchasing the next portion of salad in a transparent container, you do not have to fear for an additional “bonus” in the form of a dose of toxins. In addition, plastic is different from plastic – it differs in the degree of danger, besides, waste proceedsin different ways. Information on these indicators can also be obtained from the label.

Types of hdpe plastic and decoding of marking

Next, we will talk about the types of plastics and how each of them is designated.

PETE – polyethylene terephthalate

Plastic marked PETEA significant drawback of containers made of such plastic is its relatively low barrier properties.

The most popular thermoplastic used to make bottles for drinks and vegetable oil.

It is recyclable and is not hazardous unless the plastic bottles are washed with hot water.

2HDPE (High Density Polyethylene)

Plastic marked 2HDPEPlastic is common for the manufacture of semi-rigid containers.

This is dense polyethylene, from which bottles are made for mixtures of moderate aggressiveness, for example, detergents and bleaching compounds, as well as bags. It is recycled and considered harmless to humans.

3PVC / V

Plastic marked 3PVC, this type of plastic releases toxins that are very harmful to human health.

PVC plastic is common in the production of cling film and bottles. It poses a danger to humans and the surrounding nature. Yes, cling film is toxic. Better when she does not touch the product directly. Plastic marked 3PVC is considered the least recyclable material.

4LDPE

Plastic marked 4LDPEPlastic marked 4LDPEThe fairly widespread use of such plastic is due to its cheapness as compared to hdpe injection molding.

 

5PP (Polypropylene)

The main advantage of this type of plastic is that it does not melt when heated.

The polypropylene material from which yoghurt glasses, cocktail tubes and bowls and bottles for babies are made. Such plastic is considered safe.

7 PC (polycarbonate)

Dishes made of such plastic are heated in a microwave oven.

It is common to make beverage bottles, CDs, dishes and a protective layer that covers the inside of the cans. Such material is dangerous because it is able to release BPA. Moreover, it affects the human body like the hormone estrogen.

The result of such an impact can be tumor processes, including malignant ones, as well as genetic mutations in offspring.

What type of plastic is dangerous for humans and nature?

The most dangerous in terms of impact on health and the environment include the following types of plastic:

Generally, the rest are safe. That is, following the rules for the use of dishes and other plastic products, you cannot worry about your health. In addition, PETE, HDPE, 4LDPE, 5PP and hdpe injection molding products are recyclable, so they do not pollute the environment.

An Introduction to Injection Molding applications

Plastic parts are widely used in all industries. Human activities are also associated with the use of plastics from building materials and household appliances to kitchen utensils. The most popular way to manufacture various products is hdpe mold technology.

Modern equipment makes it possible to automate the production process and receive products with excellent technical characteristics in a short time with minimal investment. Polymer products are recyclable. Therefore they are an environmentally friendly material.

Raw materials, materials for hdpe mold of plastics

The raw materials for plastic molding are thermosetting powders, as well as granules of thermoplastics and thermoplastic elastomers. All materials have different mechanical and physical characteristics.

The advantage of thermoplastic materials is that we can recycle them after the forming process. Thermosetting materials in the process of forming a product are subject to chemical processes. It leads to the transformation of raw materials into infusible and insoluble material.

Applications of polymer injection molding

Using the hdpe mold technology that involves injection molding of plastics, it is possible to produce simple and complex plastic parts. At the same time, there are no restrictions on the size and number of products.

This method use in the automotive, electronics, chemical and many other industries. Using the method of molding plastics, it is possible to quickly and with the required quality level produce:

• different packages, lids and different caps
• a wide range of toys for children
• enclosures and components for electronic equipment
• components for medical equipment and other products.

Phased production of hdpe mold

The injection molding process proceeds in stages. Complex work consists of preparatory operations and product formation.

Preparatory work includes 3D modeling of future products. In order to create a model, specialists analyze and study:

• drawings
• photographs and
• Product descriptions.

After creation with the help of special software and approval of the 3D model, the following operations are performed:

 

A prototype comes out, which is a sample of the part being produce. In order to speed up the process, modern equipment (printers) is common that performs 3D printing.

The manufactured prototype allows you to evaluate, test at ultimate loads and test the finished product. When inaccuracies and we find defects, we can quickly make the changes c to the three-dimensional model until we get a perfect part that meets all the requirements.

Methods used for injection molding of plastics

To implement the hdpe mold technology for the production of products from molten polymers, injection molding machines (TPA) are common. They are special injection molding units that differ in the location of injection units.

Injection of the melt comes vertically downwards or horizontally. By the type of raw materials used, injection molding machines get classification. It provides single-component or multicomponent injection molding of plastics. Moreover, we perform it in different ways.

Injection process

This method is the most common. The required portion of the molten mass accumulates in the cylinder and injects into the mold under pressure. The casting pressure sets at 200 MPa. The process of feeding the mass takes place in seconds.

As a result, it is possible to manufacture parts with complex configurations. Similarly, it is possible to obtain different wall thicknesses. We can use thermoplastics and thermosetting compounds as raw materials. It is possible to use a multi-cavity injection mold. The volume of the molten mass must match the sprues exactly.

Hdpe mold Injection press

Basically, this method of plastic injection allows the production of products with a large pressing area. The drop in pressure during the filling of the volume causes different strength characteristics in the center and in the extreme zones of the parts.

A feature of the hdpe mold technology is the formation of mass pressure not only due to injection, but also due to the use of the pressing mechanism of the moving unit. Therefore, forms are commonly applicable that structurally provide for the movement of parts after they are connected.

Multilayer

This method provides for the use of two or three injection units for the process in order to plasticize a polymer characterized by certain properties. As a result, multi-color parts easy to obtain. Subsequently, this structure of comes up of various types of polymer materials.

The multilayer injection molding method is common to produce hybrid structures in which non-critical parts are made from recycled materials.

Sandwich casting

The technology provides for a variable supply of molten polymer from different kneading machines to the mold. For this purpose, two injection modules connect to a sprue with a switching mechanism, which is used as a needle valve.

Generally, a valve with a specific sequence or at the same time connects them to the mold. From the first, a mass is injected under pressure to form the outer coating of the manufactured part. Internal cavities are filled with polymer coming from the second unit. At the last stage, the first node is switched again to add the melt.

Injecting or hdpe mold

The tool with which the required molded parts are produced has a so-called sprue bush. Only when the nozzle is exactly on the socket can the actual spraying process begin.

Pressing and shaping

After the injection process, the melt cools down in the mold and solidifies. In some cases, the cooling leads to massive volume shrinkage, which has a negative influence on the surface quality and the dimensional accuracy of the workpiece.

In order to reduce this volume shrinkage, the hdpe mold machine builds up a reduced pressure. Hence it allows material to flow in. The shrinkage can compensate by pressing down. The process continues until the spout freezes and the sealing point reaches.

Cool down time

As soon as the hold pressure switches off, the actual cooling time begins. Furthermore, the screw returns during the cooling process so that the next dose is possible to carry.

Demolding

After the cooling process, the molded part goes to demolding process with an integrated ejection system. Similarly, the mold closes again and the nozzle moves back to the closed mold. Subsequent finishing of the molded parts is not necessary in most cases.

Injection molding materials

In the spraying process, different materials use depending on the area of ​​application or the molded parts to produce. These are each briefly present below:

hdpe mold products and uses

Hdpe mold has become an indispensable part of today’s industry. From the automotive industry to the electrical and household industries to defense technology, the area of ​​application for plastic injection molding is extremely diverse. Moreover, the use of plastic continues to play an important role in industry. In the toy industry alone, the injection molding process is common to manufacture a wide variety of products, for example in model construction or for plastic building blocks. Moreover, further examples are:

• Interior parts for vehicles (information board, panels …)
• Exterior parts for vehicles (cable ducts, bumpers …)
• domestic appliances
• Components for defense technology
• Electrical industry (electrical housing, plug …)
• Various cladding and housing parts
• and much more.

HDPE molding processes in industry
Compared to other materials, hdpe mold offers many advantages. This includes in particular the low weight, the low susceptibility to breakage, the resistance to chemicals and the possible transparency of the packaging. The second largest dynamic sales market is products for the vehicle industry.

Plastic Injection Molding Technology

Plastic die mould is a highly efficient and productive way of producing plastic products with complex designs and different thicknesses in large volumes. Injection molding of plastic takes place into a mold. It happens in a plastic product making machine that produces millions of identical products a year. Thus, injection molding is ideal for high volume production of plastic housings, parts, equipment parts, etc.

For the production of plastic products, contact a professional company. Only a reliable plastic die mould company can guarantee you the reliable products. .

Injection molding cost

The cost of plastic injection molding depends on the complexity of the preparatory stages and the design features of the future mold. Subsequently, the price of injection molding of plastic starts from $3933. Furthermore, it includes all the design and manufacture of the mold, as well as the cost of the first test casting.

Equipment for the manufacture of plastic products

To get injection molding, three things are important:

1. a plastic injection mold
2. an injection molding machine and
3. a plastic bag

Plastic in the form of granules or powder is comes into the dispenser, melted and fed into the mold.

At the same time, the punch (the movable part of the mold) closes with the die and the product appears. After that, it cools down and pushed out of the mold by a system of pushers.

 STAGES OF PLASTIC INJECTION DIE MOULD TO ORDER

Mold design and 3D modeling

In order to start the production of plastic die mould, it is necessary to make a mold. Therefore, it all starts with building a 3D model of the future product. Basically, it is the main foundation of the model. It must exactly repeat the outlines of the product, as well as rationally consume material.

When designing a mold for plastic injection, engineers need to choose the optimal cross-section for the product. Moreover, they need to think over the layout of the cavities, the device of the gating system and auxiliary systems.

It is necessary to consider the wear of the mold and the characteristics of the loaded materials. Hence, an improperly designed mold will waste materials and quickly fail.

A good plastic die mould company should employs top industrial designers and engineers to maximize mold productivity. Furthermore, custom injection molding is the first step towards realizing your dream of owning your own business.

Injection die mould manufacturing

After modeling, the 3D model of the mold breaks down into separate components. Similarly, manufacturers make molds from high quality steel on special CNC machines in the tool shop. In addition, the precision of modern mold making equipment allows you to perfectly recreate a mold from a model.

After that, we can assemble all parts of the mold, a cooling system, pushers and molten material supply is installed.

Test casting

After assembly, the mold casts its first piece. Generally, the accuracy of the casting, the quality of the product obtained. And we need to check the material consumption, etc.. Typically, the test casting includes up to 200 iterations, which should reveal the slightest defects.

Modification of the injection mold

In case of revealing defects in the work of the mold or in the cast products, we send the mold for revision.

Manufacturing of plastic die mould

When plastic die mould manufacturer takes account of all the nuances and the shortcomings of the mold have been corrected, it’s time to start your production! To do this, you need to install the mold the on an injection molding machine, connected to its “life support” systems. And it begins to produce a specified number of products per year.

ADVANTAGES OF INJECTION MOLDING

Low cost per item

Due to its high cost, injection molding is common for large-scale production of parts or products (from 1000 pcs). Similarly, each subsequent casting reduces the cost of products. And the price of one part from a large batch with millions of plastic products will be just a couple of cents.

The ability to manufacture complex products

Production of products by injection molding allows the production of small parts of various thicknesses and complex configurations.  The use of multi-cavity molds can increase productivity several tens of times at once (for example, in the production of handles). In addition, special mold parts – inserts – make it possible to immediately produce parts with holes, recesses or bulges.

Low probability of plastic die mould

The entire plastic die mould process comes into automation, which eliminates the possibility of operator error. As a result, we get the required number of products in exactly the same excellent quality.

No post processing needed

The injection molding process involves the production of a finished plastic product that will not need additional processing.  Even we can decorate with built-in threads.

Unlimited items

Generally, the number of press cycles is not limited. Once you order a mold, you can use it indefinitely, replacing parts as they wear out. Additional chrome plating of the mold will protect it from aggressive materials.

High quality

The quality of the products is at the highest level. Moreover, there is no flaws on the surface of the products, no roughness, brittleness or porosity.

Wide range of materials

When ordering plastic injection molding from plastic die mould specialist, you can choose the most suitable type of plastic and its color from a wide range.  Similarly, you can also order transparent plastic molding.

APPLICATIONS OF PLASTIC INJECTION DIE MOULD

Areas of use

Injection molding is appropriate for large-scale production and it is impractical to use it for the manufacture of only a few products.

In general, molding is common in all areas where you need to produce a  large number of the same plastic products.  For example, for the manufacture of:

• plastic containers
• plates
• Bottles
• children’s toys
• medical equipment
• office supplies.

Also, plastic molding into molds is applicable in mechanical engineering and rocketry, for construction purposes, etc.

MATERIALS FOR THE MANUFACTURE OF CUSTOM-MADE PLASTIC PRODUCTS

Types of plastics

For the manufacture of plastic products, thermoplastics and thermosets are very common. The former are recyclable, since they lend themselves only to physical transformations during the formation of the product. Moreover, reactoplastics undergo irreversible changes and turn into solid infusible materials. There are two types of injection plastic die mould, depending on the type of plastic.

Injection molding of thermosetting plastics

Basically, most often it is used to obtain massive and thick-walled parts. In this type of casting, the prepared material injects into an incompletely closed mold. It closes completely at the end of the injection. Products made of thermosets have an improved surface.

Injection molding of thermoplastics

The intrusive method of forming products consists in the fact that the plasticization of the product and the injection of the material combines. In this case, it is possible to obtain castings with a larger volume than the nominal injection volume.

An Ultimate Guide to Thermoplastics Molding Techniques

Polyethylene hdpe molding is one of the most popular brands of polyethylene raw materials. This type of polyethylene is highly resistant and reliable in relation to the environment. That is why it is widely common in the manufacture of coatings that protect products against corrosion.

LDPE is also common in the manufacture of various types of films, in the pharmaceutical and chemical industries.

The warranty for LDPE 108 is 3 years from the date of manufacture.

Warping is an unwanted phenomenon, but quite common in the processing of polymeric products.

What is warping of hdpe molding parts?

The warping of plastic parts consists of the dimensional distortion of the original shape of these products. Such dimensional changes can impair performance during use and modify the appearance of products that present this type of problem. Warping often occurs in products cooled very quickly during molding.

 What causes the phenomenon of warping?

Several factors are responsible for causing this type of phenomenon in hdpe molding polymeric parts. One is the differential cooling of the part. That is, some regions cool faster than others, causing dimensional distortions during the solidification process.

Molded parts with high pressures, when they solidify, can keep internal stresses frozen. Machines can release it during use, by contact with some chemical substance or the presence of high temperatures, for example, causing warping and even rupture.

Another factor that contributes to this phenomenon is the molecular orientation caused by the molding process. It can cause the occurrence of differential dimensional contraction, that is, different in each direction of the part.

How to solve or minimize the warping in hdpe molding products?

There are some measures we can take to avoid this type of defect. The first step is the design of molds and dies, in order to prevent regions with high molecular orientation from occurring.

Another factor that can contribute is the homogeneous cooling in all regions of the piece. In this way, it is possible that the same cooling rate occurs throughout it. We can also do this through the design of molds and dies. Through the choice of material or the use of adequate temperatures and cooling times is best.

What is the difference in the permissible range of hdpe molding values ​​for the energy intensity?

1. A wider spread requires large expenditures to maintain the same processing modes.
2. Greater variation affects the instability of the parameters of a batch of products, especially with large orders. Since this corresponds to the size of the transported batch of granulate accepted in the industry).

The thermoplastics are artificial polymers which we can easily mold, since the high temperature causes the plastic deformation. With the help of a specific material, you can have the format you want.

What offers many benefits, including the reuse of plastic materials, sustainability in practice and respect for the environment and clean-up?

We know thermoplastics by other names, such as PVC, polypropylene and polyethylene, for example.

There are some hdpe molding techniques about creating thermoplastics that you will discover now. Know that the versatility of thermoplastics is the best popular feature. After all, it can adapt to high temperatures. The main techniques are:

• Extrusion
• Injection
• rotational molding
• blowing and
• vacuumforming

5 Working techniques in hdpe thermoplastics

1. Extrusion technique

In the extrusion technique, the thermoplastic fixes in a matrix that is usually cast, in order to acquire a predetermined shape. Two types of extrusion can occur: hot and cold. As we are talking about thermoplastic, the hot technique is common. In which the material is fixes in this format under high pressure.

2. Injection technique

Quite similar to the extrusion technique, the injection is a molding that first melts the material. It is, the plastic, transforming it into powder. Inside a container, the grain comes sunder plastic process. All of this taking place at an elevated temperature. After this procedure, the material injects into a mold so that, after cooling, it has the apparent shape, according to the molding.

3. Rotational molding technique

Rotomoulding is a more complex process that can produce from simple parts to more sophisticated materials. The technique consists of four parts, starting by loading the format / mold with the material. So that it can then goes under heating, that is, so that polymerization occurs.

The third step is to cool the mold, and then remove the molded material. In the rotational molding process, a rotation prepares both clockwise and counterclockwise, precisely so that the hdpe molding is perfect.

4. Blow technique

Quite curious, the blowing technique comes on filling a hollow plastic mold so that it can occupy the entire mold of a bottle, for example. The thermoplastic is inflated (blown) in order to acquire the desired shape. This technique is generally common to manufacture PET bottles, which are fully recycled.

5. Vacuum forming technique

This technique, in addition to being very simple and more economical to create materials, consists of easy processes. After all, just heat a completely flat thermoplastic plate and place it on a structure, any mold. So that it can suck air, leaving the piece in a vacuum, literally. Thus, the material achieves the ideal shape and is identical to the structure.

The technique is also called thermoforming. In fact, this structure is three-dimensional so that there is the exact mold. For burrs that remain, they are only removed after cooling.

To increase the durability of the injection molds, the manager must pay attention to the maintenance and cleaning practices, without forgetting the design study.

Why molding technique is important hdpe parts?

Molds are the tooling part of injection machines. They play a central role in the quality of the final product and, consequently, in the growth of the company. Have you thought about the durability of   hdpe molding?

It is necessary to reinforce practices that help to increase this durability so that production costs are lower, without loss of quality.

Next, check out the points that deserve your attention to increase the durability of the injection molds.

Factors to increase the durability of injection molds

You know the factors to increase the durability of injection molds, right? Ignoring them is a risky bet, as your industry may not be able to meet the proposed hdpe molding production deadlines. Not to mention quality, which can cause an inefficient mold? Moreover, it can cause the entire study and profit process to be compromised.

So, did you already know about these 5 techniques for creating thermoplastics? Did you like the article? Have any questions? Leave a comment, we promise to respond very quickly! Thank you for your visit, always stay here!

FEATURES OF PRODUCTION HDPE BLOW MOLDING

The molding hdpe is a three-dimensional billet for the manufacture of PET containers. Basically, they use the blow molding method. Self-development of such blanks is a laborious and expensive process. In addition, to create such a production line, an experienced staff and modern equipment is important. Without it a high percentage of defects are inevitable.

Molds for blowing PET bottles have found their application in various sectors of the national economy:

• food, chemical
• pharmaceutical
• construction, etc.

Manufacturing of a mold is the creation of containers with a unique design that provides brand recognition.

In addition to bottle molds, we carry out the full cycle of creating glass and plastic products. When ordering from a reliable molding hdpe manufacturer, you are sure that the products are unique, reliable and take into account your wishes.

WHAT THE CUSTOMER SHOULD KNOW ABOUT MOLDING HDPE?

In order to achieve a result and not become a victim of misunderstandings with an industrial designer, we recommend that you adhere to the following tips:

1. Your result is directly proportional to the invested funds. Hence, it is not cheap to create an interesting corporate identity with a thoughtful design of PET containers. Keep in mind that a professional approach to design includes market analysis, industry specifics and competitors’ style.
2. Basically, it is important for us to find out what kind of products you want to see. Experienced specialists work on the basis of the enterprise. Moreover, they will tell you what types of molds are suitable for your project. And how much time you need to spend on testing and preliminary preparation for production.
3. Less is more. The simpler and more concise the future shapes of the bottle, the fewer additional elements on it, and the more advantageous it looks.

THE PROCESS OF CREATING MOLDS FOR PET BOTTLES GOES THROUGH THE FOLLOWING STAGES:

1. Statement of technical molding hdpe specifications. At this stage, the customer provides his vision of the future plastic product. Generally, as a sample, you can provide a finished bottle, a drawing or describe it yourself.
2. Product design. Preparation of design sketches of the form, drawing creation. Furthermore, you can read more about the design of press parts in our expert material.
3. Building a three-dimensional model of the product. The designer visualizes the model required by the customer. Moreover, the design is carried out in a special program. Hence, it allows you to examine the model in detail and make the appropriate adjustments.
4.  Engineering analysis and volume calculation. Experts check whether the new form meets the requirements of GOST for disposal and transportation. Furthermore, it is possible to correct the model of the technical characteristics of the future bottle.
5. Designing & molding hdpe PET bottles. Acceptance of the final form and volume, preparation for casting.
6. Development of programs for CNC machines. Basically, at this stage, direct preparation for the launch of production takes place.
7. Testing. Product tests process on an injection molding machine. A series of closings are performed to identify irregularities or inaccuracies. After elimination of the shortcomings and revision, the company issues a guarantee for its products.

Industrial design and modeling studio helps the client to develop the bottle mold and takes into account his wishes at all stages of production. The results of manufacturer work come in the portfolio. Hence, you can order and get a unique bottle mold tailored to your product.

WHAT IS THE MOLDING HDPE FOR PET BOTTLES MADE OF?

Generally, molds are made of technical or food grade stainless steel, as well as duralumin. High-strength aluminum alloy D16T. Moreover, we use it most often for the manufacture of molds for blowing bottles.

Advantages of using aluminum grade D16T:

1. Light weight. Because the mold is a removable part, the lighter it is, the easier it is to work with it.
2. Furthermore, the service life is over 5 years. For comparison, the average service life of a steel mold is 3 years.
3. The presence of anti-corrosion properties. The presence of the thinnest inert film on the metal surface protects it from oxidation.
4. Good machinability. Molding hdpe allows you to process material at high speeds and reduce the time required for machining.
5. High coefficient of thermal conductivity. The productivity of a mold largely depends on its ability to transfer heat and cool the plastic being processed.
6. Material stability. Similarly, minimal deformation during and after machining is guaranteed.
7. Subsequent surface treatment is possible. The creation of an oxide film on the surface of the metal will increase its wear resistance and strength.

If you are still in doubt about the choice, ask your question to the specialists. Call the number indicated in the header of the site or write us a letter via the feedback form.

PRODUCTION TIME OF THE HDPE MOLD FOR PLASTIC BOTTLES

Generally, the time to manufacture a product varies according to the following criteria:

1. The complexity of the formation. Basically, the production of a standard form takes 3 days. The creation of a unique product requires going through all stages: from design to testing, so the term depends on the degree of complexity and is negotiated during the order Moreover, it can be after agreement with the process engineer.
2. Used alloy. For example, it takes longer to produce an aluminum PET bottle mold than a steel one.

Blowing machine type. The creation of a workpiece for a semi-automatic machine requires 7 calendar days, for an automatic machine – from 20.

Semi-automatic blow molding machine for PET bottles

The approximate implementation dates are indicated. A professional Molding hdpe company determines the production period individually for each product. And it takes into account the wishes of the customer about the work schedule.

PET BOTTLE BLOWING HDPE MOLD: PRICE

When ordering a mold for pet bottles, the price depends on the following factors:

• difficulties;
• product size;
• materials;
• product circulation;
• terms of production.

An example of an interesting design solution for a pet bottle

WHY ORDER FROM A PROFESSIONAL MOLDING HDPE?

Experienced specialists work on the basis of the enterprise that will help you develop a unique shape of a pet bottle. Furthermore, a team of designers, constructors and planners will solve the following tasks:

1. Selection of the type of container, corresponding to the type of product and current market trends.
2. Development of a unique geometry, shape and design of the future pet bottle. Creation of her 3D model for product demonstration.
3. Improvement of existing packaging to stimulate consumers.
4. Printing a silicone prototype on a 3D printer.
5. Model development and engineering evaluation.

Conclusion

Since, molding hdpe technique is getting popularity, major industries are shifting towards it. Hence, it is important to contact with a reliable molding company. I would also suggest that compare plastic molding parts prices before making your final decision.