The Considerations When Custom Plastic Injection Molding

The small stuff matters a great deal when it comes to custom plastic injection molding parts. Plastic parts are generated from molds that are extremely detailed. The mold design is typically created with the assistance of engineering design experts and the manufacturer’s specialists. Once the design is finished, work must be done to ensure the end product is of acceptable quality. An alliance with the proper manufacturer will generate products that look highly detailed and polished to perfection.
Price is also worth mentioning. Custom injection molding has become quite the popular method for the generation of plastic parts partially because it is not egregiously expensive. Do some digging into the pricing of custom injection molding and you will find the prices are quite fair. It is possible to generate a wide variety of materials in considerable quantities without breaking your budget. Part of the reason why this process proves affordable is the fact that it is almost always fully automated. This level of automation spurs a high output rate that allows for mass production at reasonable prices.
The Price of Custom Plastic Injection Molding
Custom plastic injection molding involves varying costs that result from different portions of the process. The final cost of a specific project hinges on all sorts of variables. Different techniques like blow molding and thermoforming have idiosyncratic costs. Though the mold is central to cost, the subtle details of each particular project matter a great deal. A quote for custom injection molding is determined by input like drawings, sample parts, prototypes and beyond. Each input must be analyzed to pinpoint the ideal molding solution.
Everything from tolerance tightness to additional cavities, mold size, core metal, core machining and part complexity impacts the price of custom plastic injection molding. Do not assume this process is beyond your company’s price range. Determine what you are looking for from the custom plastic injection molding process, obtain a quote and you will likely be pleasantly surprised as to how affordable it is.

Jingwei molding has more than 15 years experience in plastic injection molding and mold making. Your High Volume, Custom Plastic Parts Injection Molding Specialist. To learn more about our manufacturing capabilities and discover what makes us different, please visit our website: :jweimolding.com . If you're ready to jump into your next project with us, request a quote . No matter your need, contact us today so we can help your business face all of the changes and challenges of today's competitive marketplace.

The Pros and Cons of Custom Plastic Molding

Custom plastic injection molding is favored by plastic parts manufacturers across the globe for good reason. There are all sorts of advantages to this molding method. This is not the only way to process plastic yet it has quickly become the most preferred method. Here’s a look at some of the benefits of custom plastic molding along with a few drawbacks.

1，The Utmost Efficiency

Custom plastic molding is incredibly fast. This is one of the major reasons why it has gained such popularity as a technology for long manufacturing runs. 

Though the exact speed of the process hinges on the nature of the mold, it usually takes between 15 and 30 seconds to progress between cycles.

2，It Keeps Labor Costs Low

Custom plastic molding is an automated process. Just about all the work is performed by robotics, computers and machines. Plastic injection molding equipment functions with a self-gating, automatic technology that allows for uninterrupted operations that require minimal oversight. A single person can control each of these processes.

The end result is reduced overhead expenses thanks to the dramatic decrease in labor and manufacturing costs. Post-production work is limited as the parts are highly precise, strong and finished upon generation.

3，It Creates High-strength Components

Those who need uber-strong parts use plastic injection molding. Custom plastic molding allows for the addition of fillers to components when processing occurs. These fillers decrease the density of the liquid plastic and bolster the strength of the final product.

4，A High Level of Accuracy

Custom plastic injection molding is incredibly precise. This process fabricates just about every type of plastic part. Though some design limitations exist, the molds are built so the final product is within 0.0005 inches of the intended result.

5，Remarkable Flexibility

The plastic injection molding process is quite flexible. The material type can be changed with ease. Even the color the plastic part is to be produced in can be altered without an abundance of time or effort. The extent of this process’s flexibility is nearly limitless regardless of the produced part’s specific size.

These injection molds are exposed to incredibly high pressures, allowing the molds to be pressed tighter than other molding methods. The use of computer aided manufacturing (CAM) and computer aided design (CAD) allows for even the smallest subtleties and most complex of designs to be flawlessly implemented in the part’s creation. It is even possible to experience egregiously tight tolerances of .001 or more.

6，The Custom Plastic Molding Process is Economically Efficient Compared to Plastic

Though it certainly costs some money to create an initial mold, all sorts of plastic components can be created at little cost once the mold is built. Massive production runs that make use of plastic machining often cost upwards of one-quarter more than custom plastic injection molding. Some manufacturing experts report a large production run with plastic injection molding is 25 times less costly than plastic machining. It is clear that this method of producing plastic parts is well worth the initial investment.

7，Custom Plastic Injection Molding is as Resourceful as It Gets

Plastic injection molding is resourceful in that it does not use any more plastic than necessary to generate parts. Unused plastic is ground up and melted in order to be recycled. Furthermore, the part molds’ high tolerance minimizes waste in the manufacturing process.

8，Dexterity

Injection molding machines are designed to process several different plastics simultaneously. Compatible materials are often used in a single injection mold in which the core material is fully encapsulated. The advantages of this process range from enhanced strength to cost minimization and decreased energy use thanks to the secondary’s plastic’s lower melting point.

The Few Disadvantages of Custom Plastic Injection Molding

Custom plastic molding has a couple flaws of note. The process is fairly expensive at the outset. It can cost a thousand dollars or more to produce an initial mold. The machinery is also fairly expensive. However, once these start-up costs are surmounted, this process pays for itself and then some across posterity.

Additional cons include the fact that parts have to be designed in a nuanced manner for highly effective molding. In some instances, molding considerations can constrain the parts’ design.
To learn more about our manufacturing capabilities and discover what makes us different, please visit our website: enmould.com . If you’re ready to jump into your next project with us, request a quote . No matter your need,contact us today so we can help your business face all of the changes and challenges of today’s competitive marketplace.

8 Benefits of Plastic Injection Molding

It’s widely known that plastic injection molding can consistently produce thousands or even millions of plastic components or products for OEMs, packaging companies, and consumer goods manufacturers. Plastic injection molding has the ability to produce a wide variety of products varying in size, complexity, and composition.
8 Benefits of Plastic Injection Molding
Plastic injection molding reliably creates a high volume of consistent, high-quality units, and there are several other compelling reasons to consider the process:
1, It enables complex metal to plastic conversions, lowering overall part costs by reducing several machining operations into a single molding process.
2, Plastic components are lower in weight than machined or cast metal parts.
3, When plastic can be used instead of metal, corrosion is no longer an issue.
4, Plastic injection molds allow greater design freedom for parts, because they allow the addition of radii or soft edge areas that would require extra machining (at an additional cost) in metal parts.
5, Another element of design freedom is the ability to create highly detailed parts with complex geometry. Because the plastic material is pushed into the mold under high pressure, it fills the cavity completely and is pressed against the mold harder than in other molding processes. The plastic will thereby conform to even tiny, intricate shapes and details within the mold.
6, It is also possible to combine different materials into the same part for greater utility with fewer assembly processes. With 2 shot molding, you can use a hard and a soft plastic to create a sealing edge or soft-touch edge, or use two different colors. Insert molding allows a non-plastic component to be incorporated, such as a metal screw built into a plastic cabinet knob.
7, There is little to no material waste generated by this process, as leftover scrap plastic can be re-ground and reused.
8, The plastic injection molding process involves a high degree of automation, which can provide significant savings in production costs. Many of the steps can be completed by the machines or robotics controlled by a single operator, reducing labor costs and overhead. The process can also be performed more quickly and efficiently, increasing production output.
Plastic injection molding reliably produces parts and components economically and efficiently. It also gives you a range of material and design options and produces parts that can reduce the overall cost to produce your product and, by decreasing weight of equipment or a vehicle, reduce costs associated with its use. It’s time to reevaluate your processes and see how plastic injection molding can benefit your company.

 Jingwei molding has more than 15 years experience in plastic injection molding and mold making. Your High Volume, Custom Plastic Injection Molding Specialist.Any questions,please feel free to contact us via info@jweimolding.com or visit us at :jweimolding.com

Quotes for Custom Plastic Injection Molding

Plastic Injection Molding is one of the most popular ways to create plastic parts as well as plastic components. This method injects plastic into a mold to generate an inverse form. All sorts of useful products are created with custom plastic injection molding. For the most part, plastic injection molding is quite complex compared to other approaches. It requires a highly nuanced mold so it tends to cost more than other methods.
Obtaining and analyzing quotes from different mold makers for custom injection molding costs is inherently complex. The quote hinges on input such as sample parts, prototypes, drawings and so on. Designers must examine each of these inputs to identify the optimal molding solution. Note that it is possible for the part to be redesigned to enhance efficiency during the manufacturing process and boost the number of parts generated during the molding process.
Costs tend to rise when molds are created with more cavities, especially tight tolerances and an extensive production life. However, the additional upfront cost is almost always worth the money. Such elite molds stand the test of time and require minimal maintenance.
Additional Variables That Impact Custom Injection Molding Costs
The mold base is one of many additional factors that influences custom injection molding costs. The mold base is a case that stores the mold cavities and combines the components with one another. The cost of this base is estimated according to the mold size and the type of steel that makes the base. Even the level of customization desired by the customer plays a part in determining cost. The core metal impacts costs in that long-lasting molds require a metal that stands the test of time. Such core metal is more expensive. Alternatively, short production runs can make use of a metal that does not last as long and costs less.
Part complexity influences custom injection molding costs as well. Whether the final part requires an elaborate surface finish, a tight tolerance or a certain number of undercuts, such specifications ultimately play a part in shaping the total cost. Core/cavity machining matters as well. Every mold must be customized. Customization requires the placement of cavities, cooling lines, ejectors etc. Even the steel used in the part alters the cost. Hardened steel molds that are especially durable are more costly to manufacture. Yet, once these uber-strong steel molds are finished, they have quite the lengthy production life.

ok molding has more than 20 years experience in plastic injection molding and mold making.To learn more about our manufacturing capabilities and discover what makes us different, please visit our website: :okmolding.com . If you’re ready to jump into your next project with us, request a quote . No matter your need,contact us today so we can help your business .

How to find a custom plastic injection molding manufacturing partner

Before you can begin to work on any custom plastic injection molding project, you need to find a manufacturing partner you can trust whose capabilities match your needs. Plastic injection molding is not a one-size-fits-all process, and your requirements may vary based on your industry, the design of your products, or your production schedule.
For example, medium- to high-volume projects require a partner that can handle fast production on a large scale. Specialized or custom parts require expertise and ingenuity to make sure that your parts are manufactured properly. All projects require access to the equipment, materials, and expertise necessary to create high-quality parts.
Custom molding is all about communication, and that requires buy-in and commitment from you and your manufacturing partner. Sometimes designs need to be adapted, or production changes occur at the last minute. That means that you have to focus on the people that you’ll be working with (not just the products you’ll be working on) to avoid the delays and headaches that come with a communication breakdown.
Here are four steps to find a custom plastic injection molding partner that’s right for you.
STEP 1: PLAN FOR YOUR PRODUCT
Your manufacturing partner should provide the expertise you need to carry out your vision for your project. To begin building this relationship, you need a reasonable understanding of the function you want the part to fulfill, the circumstances in which it will have to operate (i.e., high heat, extreme cold, humidity or wet conditions), and an estimate of the number of custom parts you’ll require.
If you need 10,000 units or fewer — to fill a need in a low-volume market such as highly specialized medical equipment, for example, or to begin prototype testing prior to full market production — then you are looking for a low-volume molder. Larger-quantity jobs that require hundreds of thousands of units should be handled by a high-volume molder who is capable of producing many parts quickly and efficiently.
With your vision in mind, your manufacturing partner should provide services that can help you bring it to life. Look for a manufacturer who can begin providing feedback early and whose expertise aligns with your understanding of the function and volume of your project.
STEP 2: EXAMINE THE COMPANY’S FACILITIES AND MATERIAL AVAILABILITY
The complexity of your project will greatly impact your choice of manufacturing partner. The manufacturer you choose should have experience running the selected material and capabilities to satisfy all requirements. Consider the following when evaluating potential production partners:

• Do they have the proper equipment to satisfy all program requirements (i.e. injection molding machines, material handling, automation, etc.)?
• Do they have experience running the selected resin and materials?
• Do they have qualified team members with experience running similar projects?
• If your program requires value-added services like assembly, do they have experience with similar projects?
• For larger volume programs, do they have systems and processes in place to successfully manage the flow of material

STEP 3: LOOK FOR EXPERIENCE
An experienced manufacturer can help you anticipate problems and offer solutions in advance. Look for a manufacturer who has experience running and launching programs similar to the one you are trying to launch. Not only will this experience bring expertise to your project, but it also ensures that the manufacturer you choose has the equipment and infrastructure necessary to do the kind of work you’re planning.
Personal experience is important as well, so look for a company with experienced professionals at all levels to make sure that you have access to the quality of work that you need.

STEP 4: DECIDE ON THE KIND OF RELATIONSHIP YOU WANT TO BUILD
Commodity relationships are typically based on the lowest price due to little or no value-added requirements. Commodity relationships typically have reliable forecasts, objectives and quality requirements (and therefore are easily measured), which makes satisfying customer requirements relatively easy.
For projects that are not super simple and straightforward, you want to build a more complex relationship that allows flexibility to adjust to evolving project demands. In short, complex projects require a partnership built on successful, ongoing communication. These partnerships allow you and the manufacturer to work together to adjust the manufacturing process and determine appropriate quality standards for your unique project. When forming a partnership, look for an experienced manufacturer who communicates clearly and frankly, with minimal personnel shifts. Whenever possible, you want your
contact person to stay the same throughout your working relationship.

It is important to choose a manufacturing partner who you can work with productively, and who can ensure the delivery of high-quality products.ok molding has more than 15 years experience in plastic injection molding and mold making.To learn more about our manufacturing capabilities and discover what makes us different, please visit our website: :okmolding.com . If you’re ready to jump into your next project with us, request a quote . No matter your need,contact us today so we can help your business .

Turning Your Ideas Into Reality:Custom Plastic Injection Molding

Look around you. There’s a huge chance a lot of the things you see around you are made of plastic. This fact does not even come as a surprise, knowing that plastic can be molded into so many different things.
With the right materials and the expertise of a trusted plastic injection molding service, you can turn that product idea into something real.
Why is plastic the top choice when creating a new product?
For one thing, plastic is extremely versatile, with a number of different ways to mix and match the base elements with additives to come up with the perfect product. Do you need something durable with a smooth finish? Or would you perhaps prefer something softer, something more manageable? Regardless of what your needs are, there will always be a way to attain the results you want.
Production costs are also low when it comes to plastic. They are great electrical insulators, are resistant to corrosion, and when used the right way, can be easily recycled. Without a doubt, plastic is one of the best materials you can use if you’ve come up with a brilliant idea for a product.
How Custom Plastic Injection Molding Works
Because your product idea would probably work best using plastic as your main material, the next thing you should be looking into is finding out how the entire process works.
How can you turn your idea into a real plastic product? That’s what custom injection molding is for.
Basically, the plastic material is fed into the part of the machine called a hopper, which then pushes it into the extruder. From here, the material is pushed further into the heating chamber, where the plastic is melted.
Now that the plastic is in melted form, it’s time to mold it into the shape of the custom plastic parts you need.
The molten plastic is pushed into a closed cold mold using extreme amounts of pressure. Without the right pressure, the mold will not be filled, and the plastic will not take the shape you want. Basically, it’s the mold that serves as a guide or pattern. It forms the shape of the plastic.
Once the plastic has cooled and solidified, it is ejected from the chamber. And from here, you can see that the finished product now takes the shape it was meant to take.
From here, some finishing work may still be done. Some plastic parts require painting, for example, while some may need a finer finish, which means that any excess plastic parts may have to be shaved off.

With the right kind of manufacturer and the right idea, you can create something wonderful and change the course of mankind.

Jingwei molding has more than 15 years experience in plastic injection molding and mold making. Your High Volume, Custom Plastic Parts Injection Molding Specialist. To learn more about our manufacturing capabilities and discover what makes us different, please visit our website: :jweimolding.com . If you're ready to jump into your next project with us, request a quote . No matter your need, contact us today so we can help your business face all of the changes and challenges of today's competitive marketplace.

How To Estimate Weight Of An Injection Mold Tool

For those of you who do not have scales here is an easy way to find mold weight.
Calculation For Metric Units (cm)
Measure overall dimensions of the mold.
Refer to above image of mold for length, width & height.
For example:
If Length=80cm Width=90cm Height=45cm
and Weight(kgs)= Length*Width*Height*DensityOfSteel where density is 7.9 grams/cm^3 for tool steel (P20,H13)
then Weight(kgs)= (80*90*45*7.9)/1000= 2,560 kgs
Calculation For Imperial Units (Inches)
Measure overall dimensions of the mold.
Refer to above image of mold for length, width & height.
For example:
If Length=25 inch Width=35 inch Height=20 inch
and Weight(lbs)= Length*Width*Height*DensityOfSteel where density is 0.28 lbs/inch^3 for tool steel (P20,H13)
then Weight(kgs)= (25*35*20*0.28)= 4,900 lbs
All calculations & technical data are for comparison purposes only and are NOT for design or safe working practices. It is derived from sources that we believe to be accurate, but can NOT guarantee its validity. Your specific application should NOT be undertaken without independent evaluation for accuracy.
Bring Your Custom plastic injection mold/molding Project to The JW industry ,we have access to resources that help reduce production costs even further. We proudly offer a total concept solution from design and tooling to material selection, production, and fulfillment .Contact us today to request a free quote and find out how our industry experience and expertise will benefit you with your next project.

Body Building Apparatus injection mold Case Studies

At Jingwei, we manufacture millions of parts every year since 2009. We are proud to have earned a reputation for being one of the best in the industry, offering high-quality, low-cost solutions. When businesses have a need for high volume, high tolerance, intricate parts, they turn to custom plastic injection molding.

Our experience creating plastic parts for a wide range of clients gives us a unique perspective on how to manufacture high-volume parts at the lowest possible cost. We serve a diverse group of industries including Automotive Parts,Medical & pharmaceutical,Body Building Apparatus, Consumer Products and so on.

Large plastic parts -body building apparatus mold projects:

Jingwei industry has served the injection molding industry for over 15 years and has a team dedicated to providing you with the most cost effective solutions for design and manufacturing custom injection mold.Please visit us at :jweimolding.com or contact us via info@jweimolding.com.

Factors to consider when planning your custom plastic molding project

When planning a Projects involving custom plastic injection molding. You must be as specific as possible as you convey your project to the manufacturer in order to get an accurate quote and a reasonable timeline. It helps to have as much information upfront as possible. As you plan your plastic molding project, here are a few factors to consider and to discuss with your manufacturing team:

Cost Limitations

The cost of your project can vary depending on how much homework you’ve done, among other factors. Here are a few examples of cost considerations you should make well in advance:

• Design: Has your project already been designed? If so, have you already created a prototype? If no prototype, do you have your design in digital format or paper? The more production-ready you are when you approach the manufacturer, the more likely you are to have a lower cost.
• Material: Do you have a specific material in mind for your project? If you are trying to keep expenses as low as possible, let the manufacturer know that you are willing to use the lowest cost polymer capable of producing a quality product. More on that below.
• Color and texture: Both of these elements can influence cost. Color, for example, can get costly if you’re expecting a product with a glossy finish. The level of texture detail can also drive up prices, although you have multiple options to keep costs down.

What Material to Use

When determining the material to use, you have to consider both preference and necessity. You can’t always opt for the cheaper option because of the risk of damage either during production or after you’ve received the product. A product that cracks or must be recalled later on can cost your company a huge amount of money — especially when compared with the cost of using the higher quality material in the first place. Plus, don’t forget about your brand’s reputation.

Thorough testing for maximum service temperature, maximum stress and environmental effects ahead of time can help you avoid potentially costly errors. Your manufacturer can help you with each of these, so it’s important to give them that freedom rather than relying solely on datasheets.

Size of Production Run

Naturally, the larger the production run, the more you will pay for material costs. However, larger production runs can save you in the end, as the reduced cost to manufacture in bulk can negate the cost of materials. Speak with your manufacturer to determine when it makes sense to up the size of your production.

Production Speed

How quickly do you need your product? As with any manufacturing process, plastic molding has its time constraints based on the size of the production run, the level of detail and the quality of the end product.

Be upfront about your expectations, and let the manufacturer know how much wiggle room you have. Your manufacturer might be able to suggest a more efficient process or one that can significantly increase the quality.

Jingwei industry has served the injection molding industry for over 15 years and has a team dedicated to providing you with the most cost effective solutions for design and manufacturing custom injection mold.Please visit us at :jweimolding.com or contact us via info@jweimolding.com.

03/01/2017

The Meaning of Cavity Pressure Sensors in Custom Plastic Injection Molding

What is the meaning of pressure measurement in Custom Plastic Injection Molding?

Cavity pressure sensors are valuable tools in the plastic injection molding process to maximize productivity and minimize the number of defective parts making it through production and into the "good part" box. With accompanying integrated software, these sensors can detect abnormal conditions and, depending on the type of trouble and software settings, shut down a machine until the fault is corrected, reroute suspect parts for further inspection during the sorting process or reject parts outright.

Cavity pressure sensors are especially valuable if you are engaged in high-volume production of custom precision plastic injection molding, such as parts for body building equipment,medical devices, electronics or the automotive industry. You can employ these sensors to monitor not only cavity pressure but also internal temperature and many other factors to help you on your way to zero defects.

Cavity pressure sensors enable the skilled molder to spot Graph Showing Monitoring common faults such as shrink,short shots, flash, sinks and voids, dimensional problems, and warp. You can even detect cosmetic problems like gloss gradient. In addition to pressure and temperature, pressure sensor systems note other variations, such as in packing, cooling rate and cooling time. All of this is monitored through software output of variations in pressure during injection, packing, compression and cooling — yielding a visual, real-time cavity pressure curve on the equipment's monitor.

Why do you  put the sensor in the mold?

Typical defects in plastic injection molding production that are detected by pressure sensors include:

• Shrink.
• Short shot, the absence of plastic in a portion of the part, results when no pressure developed in the cavity's unfilled section
• Flash, essentially the opposite of a short shot, occurs when excess pressure forces a mold to spread enough to allow plastic to spill though the cavity parting line; this not only produces a defective part, it can lead to parts sticking to and damaging the mold.
• Sinks and voids, result from under packing the cavity and/or the lack of a gate seal, which would be detected as a change in cavity pressure.
• Dimensional variations, occur when a packed mold is fully compressed and cavity pressure changes at a critical dimensional point
• Warp, random distortion of a part, often results from variations in packing, cooling rate and cooling time; detected through the pressure curve.
• Gloss gradient, variations in gloss from the gate area toward the end of the cavity, may be related to the rate of packing; this would show up in the shape of the pressure curve.

For further information on the benefits of cavity pressure sensors for plastic injection molding, contact an experienced supplier of custom plastic injection molding,Jingwei industry via info@jweimolding.com.

Intro of Custom Plastic Injection Molding

Plastic Injection molding includes producing parts by injecting material and then getting into a mould. This can be performed with the use of many plastic materials like polypropylene, polyurethane and PVC etc. For this process the material is first heated, mixed properly and then cooled and moulded and configured as required as a cavity. Custom Plastic Injection Molding is basically a process of creating plastic parts by injecting the heated material into some or the other specific required molds.

Product visibility and identification is very important when it comes to conveying the brand in the market. Plastic nameplates are thus used for this purpose to convey descriptions, warnings, brand and other types of information. There comes the need of plastic injection molding. Thus, there are so many advantages of using any kind of custom plastic injection molding. All of such plastic injection moulding helps one manufacture intricate and complex shapes as per the requirement of the customer.

Advantages of Custom Plastic Injection Molding:

This process manufactures individual custom designed plastic parts
Fully automation is allowed in this machine and incredibly produces the products really fast
Injection molding is done effectively and accurately.Accuracy is the biggest advantage of injection molding
With the help of the machine and some efforts you can even get the color of the product changed
Gives a very smooth finishing at the end of the process
Most of the waste gets grinded up and re-used, so reduces waste too

Disadvantage of Custom Plastic Injection Molding:

The one and foremost drawback of this molding is that it includes high initial investment as it requires the installation of the tools and the molding machines.This process of Custom Plastic Injection Molding is mainly used only while producing high volumes of a single object.

Jingwei industry has served the injection molding industry for over 20 years and has a team dedicated to providing you with the most cost effective solutions for design and manufacturing.To know more on Custom Plastic Injection Molding visit us at :jweimolding.com