You will get efficient and thoughtful service from WIT MOLD.
Topworks can optimize your design for cost savings or ensure compatibility by optimizing your design before tooling. Clients are welcome to supply 3D files
Topworks can utilize Computer Numerical Control (CNC) to produce a machined prototype or 3D printing that you can see and feel to validate the design of your part.Also we supply vaccum casting service
During this stage, your Tooling Information Worksheet is used to design the tool.
The accuracy of the tool design is validated.
The tool is precisely fabricated according to the validated design using Computer Numerical Control (CNC), and Electrical Discharge Machining (EDM) &#;
The first test shots will be sent via courier soon after the injection molds are made. Once sent, these usually arrive in 2-5 days.
At this point, Topworks makes any changes to the tool that is necessary to bring it into compliance with the approved specifications. Topworks makes any changes that are necessary (specifically excluding design changes, which are always charged for) free of charge.
In this stage, the texturing process is done, which is usually the last step before mass production.
Topworks side
In this stage, the tool is handed over to the customer or ready for injection molding.
China provides many long-term advantages as an operating location to produce your specialty injection molding products. China saw demand increase 1.470 million tons from &#; 6.0% year-on-year growth! By it&#;s expected to have reached 26.91 million tons! When searching for molding suppliers or manufacturers in China it is essential that some key points be considered:
At first, your goal should be to find an outstanding provider who offers competitive prices and quick products; but don&#;t stop there; look also for those that meet quality standards as well as those offering after-sale support services.
Quality should be an indispensable characteristic when looking for a supplier. You need to be confident they will produce top-grade goods, with warranties covering those goods so you won&#;t have to worry about getting bad parts or defective molds from their product line.
Make sure they can deliver on time so your production schedule won&#;t be disturbed, and look for companies with excellent reputations; someone who has been doing business long enough and fulfilled on their promises should give you assurances of reliability.
Your ideal supplier must possess an in-depth knowledge of their industry. Not only should they create high-quality products, but they should understand both consumer tastes and market dynamics to develop products which appeal directly to them. This way they are sure to produce items which satisfy them both as customers.
If you need help in selecting a reliable molding supplier, do some online research or speak to other businesses within your industry about their experiences with different suppliers. When finding one suitable to you, be sure they have experience producing plastic parts tailored specifically for your industry or product, providing references from satisfied past clients who worked together successfully (like yourself!). This way you&#;ll avoid potential scammers!
Injection Mould Quotation RequirementsOnce your supplier and agreement are in place, delivery time has arrived! Air freight shipping offers fast and efficient transport without long waits at ports or airports that could derail production schedules.
With the continuous improvement of mold manufacturing and mold workers&#; skill in China, more and more European and American companies have dropped their purchase orders to Chinese plastic mold factories.
The continuous deepening of information exchanges between the two sides has greatly promoted China&#;s mold industry development.
It is simple to deal with China&#;s mold and injection molding suppliers for those buyers who often purchase in China.
But for those who first came into contact with this mold industry, it was a very troublesome thing, especially in dealing with China&#;s mold factories outside of thousands of miles.
Language and technical communication constitute two significant obstacles.
Many people who bought customized plastic parts in China for the first time were completely unfamiliar with this industry.
Also, this industry is technology-intensive. The quotation requires suppliers and buyers to have a strong and wonderful interaction.
The most DECISIVE is how the buyers express their ideas to the suppliers.
It is precisely at this point that many buyers do not know how to handle it.
They often ask the supplier for a price from the VERY beginning.
In fact, the price given by the supplier at this stage is very inaccurate.
I will introduce the preparation process before the quotation of molds and molded parts so that buyers can have a clear understanding.
The manufacture of injection-molded parts is a very complicated process.
The first is the manufacture of molds, followed by injection molding, and the second operation of injection-molded parts, which involves transferring a lot of information.
The top priority is how the buyer expresses his product requirements clearly to the supplier.
In many cases, suppliers are required to quote only in the case of a hand-drawn drawing. Sometimes there is no requirement for plastic materials.
Buyers just mentioned adjectives like &#;SOFT &#;and &#;HARD&#; to describe the stuff he wants.
In fact, this is NOT correct.
The side location difference above will lead to total different mould cost, 1. side hole high cost,2 and 3 location holes are better.
The process of getting a plastic mold quotation is not simple, but if done correctly. The process can work the way you intended it to.
Finding an injection molding engineer or mold engineer nearby to consult is the ideal way forward, as they&#;ll assist with understanding how to reverse engineer parts as well as offer advice about the most efficient ways of approaching problems. You might also benefit from working with experienced plastic part producers so you don&#;t run into issues regarding copyrights and patents.
An early investment will pay dividends later.
Sure, it would be my honor to provide this service, yet at present it&#;s difficult for me to quote you accordingly.
Your first step should be finding an engineer with extensive experience, who you can talk directly with about what requirements there are for the product, its quantity requirements and assembly needs, your budget constraints and why you want the lowest possible cost product price.
Find a manufacturer that will give you samples or prototypes so you can see exactly how the finished product looks and is manufactured; this way there will be no surprises when your order arrives at your door!
By being upfront with them about what your situation entails and communicating what needs are present, they should offer valuable advice based on experience with similar products that could assist them in making informed choices that could take you in the direction you require.
At this stage, he will advise which plastic material you should select, how to design the product and assemble it as well as arrange an acceptable quantity. In addition, he can give an estimate as to cost and timeline.
At this stage, it&#;s wise to discuss your budget so he or she can determine whether working together is feasible for both of you. Once all aspects have been agreed upon, production will start.
Realizing a product design requires translating concepts into tangible forms. Computer-aided design (CAD) software plays a vital role in materializing ideas digitally before physical fabrication. This 3D rendering provides the foundation for manufacturing by supplying detailed specifications that instruct the creation of production molds.
CAD models enable flexibility too. Engineers can adjust the digital blueprint to accommodate tweaks from prototype feedback before tooling setup for mass production. Clear communication with design teams is crucial for capturing requirements accurately in the 3D model. The more precise the inputs, the closer the end result will match the original vision.
With an approved virtual prototype, the first physical manifestations can be 3D printed or CNC machined for hands-on testing. Prototyping identifies enhancements needed while volumes are low. Refining the product at this stage is far simpler than attempting changes mid-production.
Rapid prototyping through 3D printing enables iterative design refinement before full production. This process allows designers to evaluate aesthetics, part fit, and structural integrity of a 3D model hands-on.
If issues arise, the digital model can be quickly modified and new print samples generated for testing. Repeating rapid prototyping in this way lets designers refine the product virtually until all requirements are met.
The relatively low cost and fast turnaround of small 3D print runs makes trial-and-error refinement affordable. This upfront investment curtails expensive mold reworking later in production. For instance, small 3D printing in China may cost around $50-60 USD per iteration. Catching design flaws early on can ultimately save thousands in production line changes down the road.
Rapid prototyping compresses the design timeline by merging virtual modeling and physical testing. The instant tangible feedback 3D printing provides allows designers to spot flaws missed on screen. Rapid iteration enables optimizing the product digitally before large-scale manufacturing is underway. The savings in time and costs make rapid prototyping a worthwhile step in any development process.
After this stage, you can give your potential suppliers a chance to quote the changed design. My article on this topic is very detailed about how to deal with Chinese suppliers.
Of course, if you want to copy existing products at this stage, you can send the product directly to the supplier and tell them your specific requirements. Fees can be deducted after the transaction.
If you have only one sample and inconvenient to send it, you can take a picture of the sample.
According to the three-view standard, you show suppliers a sample photo.
Mark the position and size of the undercut, dents, and holes in each direction on the picture.
In the photo, the size of the product is identified in detail, i.e., the length, width, and height. In theory, the six sides of the product must be photographed. The more detailed photograph is, the better it is.
Don&#;t be afraid to imitate something that already exists, it is often the best way to learn and to create something of your own in the process.
Finding a winning product requires skill. You need to strike a balance between something trendy and one with enough earning potential that it makes financial sense for you to copy/sell as your own product or service.
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Studies of your competitors can give a valuable glimpse of their activities, helping to give an indication of who and what lies ahead for your own venture. If a competitor&#;s product has proven popular with customers and you wish to replicate its sales success, studying how their competitor did this might give insight into how you should go about doing the same thing yourself.
But if your competitors&#; products don&#;t line up with what you intend to accomplish with yours, this won&#;t provide much benefit.
Copying products requires studying what others are doing &#; one effective method to do this is tracking competitors &#; by setting Google Alerts with their brand and URL as well as any relevant keywords (e.g. &#;best toothbrush&#;) so you can keep tabs on what they post when and if its performance warrants copying it.
Finding an existing profitable Amazon FBA listing that you want to replicate is of vital importance in creating your copycat product listing. When doing this, ensure there&#;s ample demand and there will be buyers ready for you when you launch your own version (with competitive prices of course!).
Search the Amazon search page results using keywords associated with your niche (for instance &#;dog chew toy&#; in the search bar and view each listing to understand their differences &#; there may even be different kinds of dog toys).
Assuming you already sell one product, expanding your offerings may allow you to find complementary ones. If you sell coffee beans or cups separately, expanding to sell coffee mugs, hot chocolate mix or gardening tools might complement that sale and generate additional revenues per visitor. Extending offerings allows businesses to increase revenues without increasing traffic levels &#; you could even leverage current offerings by selling combinations together such as selling coffee mugs with coffee beans at discounted rates and vice versa! By diversifying offerings you will increase revenue without increasing traffic levels &#; while existing offerings could become leverage when used together as leverage when used together &#; say in combination!
As evidence of their success, consider all the companies which have copied Coca-Cola and McDonald&#;s formula.
Success lies in finding and replicating an effective formula, rather than trying to reinvent it yourself. Don&#;t reinvent anything &#; find something that works and keep reusing it until either it works for you (or someone else does!).
&#;If you want to be successful, find someone who has achieved the results you want and copy what they do and you&#;ll achieve the same results.&#; &#; Tony Robbins
# Case
It is best to find the specifications of plastic materials on the sample and indicate the location and size of the gate.
These plastic materials usually appear in the form of a triangle.
In the end, you still have to send this sample to your final supplier to facilitate their design.
4 main points related to plastic mold and injection part price
The number of purchases conclusively determines the price of the product and the plastic mold.
As long as the product is only 10,000, do not put forward a requirement of 500,000 because 10,000 shoots required mold steel, mold design, and processing methods are entirely different from the 500,000 requirements.
If the number of products is 10,000, the four-cavity mold can meet the requirements.
If it is 500,000, the mold will require 10, 12 cavities or higher.
The more cavities are, the definitely higher standards of the steel material and processing requirements will be.
This will lead to a significant increase in the material cost and processing cost of the mold.
The considerable quantity shares these costs.
If the quantity is quite small, then the cost-sharing of each product will be considerably high.
I have encountered a case where there is an ABS molded product.
The annual demand is sets.
It is internally threaded and needs to be unscrewing.
If you need a full-automatic unscrewing mold, the cost will be high, and if the thread is made into an insert.
The cost of the mold is only about 2/3 of the fully automatic mold cost, and the increase in injection molding cost is only small.
In general, dark-colored products need rather lower prices than light-colored products.
Because the regrind material can be carfully used in some cases, if it is a white or transparent product, the regrind material is difficult to use, which will increase the supplier&#;s raw material costs.
Frequently, the runner material and the new material have the same effects.
The barrel of the injection molding machine is sometimes not so clean, so sometimes other colors will mix in.
If the product requires transparency or white, this product is defective. If it is a dark color or even black, it cannot be seen. This product is good.
As we all know, the processing cost of a loose tolerance plastic part is much lower than that of the tight one.
Molds with tight tolerances have very stringent requirements for processing and mold steel and even require a unique injection molding process.
In general terms, the plastic we choose should be conventional plastics, not engineering plastics.
Nylon66 flare-retardent grade &#;v0&#; price is more than four times the conventional PP plastic.
The cost of the ordinary ABS is 1.5 times the price of PP.
If it is mass production, the cost difference is great.
Some plastics are corrosive, so there is a higher demand for the steel of the mold. This will also increase the manufacturing cost of the mold.
There are also higher requirements for mold maintenance.
The price of the steel of the mold s136 level is more than five times that of the steel p20.
Among the three methods mentioned above&#;autocad files, samples photograph and samples&#;, sending supplier samples directly is the best method.
In this way, the molder can clearly know the product&#;s structure and can also find out the structure of the previous mold.
Research on off-the-shelf samples can avoid many detours in mold building and injection molding products.
In short, before the quotation, the more the supplier knows your requirements and the specific structure of the product, the better it is so that the accuracy of the quotation can be guaranteed to the greatest degree.
At the same time, it ensures the smooth progress of the project.
Finding an appropriate injection mold may prove tricky, since there will likely be multiple back and forth conversations with both purchaser and molder before final production commences.
But these tips could save time and make this entire process simpler for you.
When you buy an injection mold, that age-old proverb is unquestionably correct &#; it gives you everything you pay money for. Any specifically shaped parts that you develop are only as good as the plastic mold used to manufacture them. Therefore, you should make certain that plastic mold is flawlessly designed for your requirements before purchasing it.
Get accurate plastic mold and plastic parts offers from China in 4 steps:
Benefits of using Topworks:
Plastic injection molding, as you might already know, is a quick and efficient way of mass-producing plastic products such as food containers, furniture, retail packaging for beauty products, and toys. It is very likely that any common plastic object you come across is a product of this manufacturing process. A molded part is created by injecting molten plastic at high speed and pressure into a metal mold and letting it cool and solidify to take on the shape of the mold.
If you&#;re looking to buy plastic injection moldings, you must first understand that this kind of purchase requires a deeper involvement in the process. For example, if you are sourcing a particularly complex molded part, you might need to be involved in its design. There are numerous design decisions you need to take as these will determine your plastic injection molding price and quality. Taking informed decisions early on is critical as it will help you find and fix potential problems.
The process of buying a custom plastic injection molding starts with you, the buyer, providing the supplier with detailed 2D drawings showing material type, surface finish, tolerances (the accepted amount of dimensional deviation) and any specific critical dimensions along with a 3D design file of the part. If you go through a sourcing agent such as Sourcing Allies, we will act as the go-between. Most suppliers prefer 3D files in the STEP or IGES formats, which are the most widely accepted. Your initial design might need some tweaks and improvements, which can be made in collaboration with your supplier and sourcing agent.
One point to remember when buying plastic injection moldings from China or anywhere else is to be very specific about your requirements &#; in terms of plastic injection molding price, quality, lead time and so on &#; to your supplier and preferably to put it all in writing.
A key decision a buyer must make pre-purchase is selecting the right plastic raw material. After all, the strength, durability, flexibility, functionality, appearance, and cost of the part all hinge on this choice. Given that there are more than 85,000 varieties of plastics out there, this isn&#;t an easy choice to make. But you can start by familiarizing yourself with the most popular plastics used in plastic injection molding and their properties:
Remember, material selection doesn&#;t end with picking the right plastic. As a buyer, you must be aware of the right molding conditions for your material and product. This includes injection temperature and pressure, mold temperature, ejection temperature, cooling time and cycle time. Given that plastic injection molded parts are getting more intricate by the day, it is also important to be aware of draft angles and undercuts (more on these in the next section). Naturally, all these decisions must be taken early to avoid delays, additional expenses, and stress mid- and post-production.
A plastic injection molded spoon among wooden beads1. Non-uniform walls: If your part has walls of varying thickness, the thinner sections will cool before the thicker ones. This will cause shrinkage and warpage in the thick sections. Walls with uniform thickness not only allow uniform cooling, they also ensure that the plastic flows and fills the mold cavity precisely. If you cannot avoid non-uniform walls due to design limitations, keep the variations as gradual as possible.
2. Thin versus thick walls: Apart from uniform wall thickness, the buyer must also consider the maximum wall thickness for a particular part. Thin walls mean a shorter cycle and lower production cost. Material selection plays a part here, so check with your supplier on the thickness specifications of the materials you are considering. As a general rule, thinner walls call for plastics that flow easily. Additionally, if your mold design requires a longer flow route, then thicker walls are more suitable.
3. Lack of drafts: A draft is a slight angle on the wall of a mold cavity so that its opening is wider than its base. This facilitates easy removal of the part from the mold. Without draft angles, a part can be damaged during ejection. Sometimes, even the mold might be damaged. The absence of draft angles might also result in the part warping or breaking due to stresses caused by cooling or ending up with a poor finish. Ideal draft angles vary from part to part, so make sure to consult your supplier on this. Overlooking draft angles during the design stage is a common mistake, one that should be avoided at all costs.
4. Sharp corners: When molten plastic flows across a sharp corner, it can cause stress formation in the material, leading to warpage and a defective product. Rounding off corners takes care of this problem by ensuring the material flows evenly in the mold cavity. However, stress concentrations vary with radius. Ensure your design incorporates uniform wall thickness with consistent inner and outer radii.
5. Parting line placement: The parting line is the line of separation on the molded part where the two mold halves meet. Its placement is a challenge in any manufacturing process. You&#;d like it to be as inconspicuous as possible for aesthetic reasons, but without compromising on the part&#;s functionality. The placement of the parting line requires your full attention because molten plastic tends to flow towards the parting line, which can cause flashes. Additionally, parting line placement impacts mold-making and post-processing costs.
6. Too many undercuts: Undercuts are protrusions or depressions on a molded part that prevent it from sliding out of the mold. They are often used in complicated parts, such as medical equipment components, and in complex molding processes such as overmolding and insert molding. Undercuts add to cost, so they should be used sparingly or eliminated altogether.
It is impossible to talk about plastics without talking about its impact on the environment. But as we grow into a more environmentally conscious society, the plastic injection molding industry is doing the same. Here&#;s how:
In terms of application, plastic can sometimes be a more environment friendly choice than other material. When used as an alternative to steel in aircraft components, it reduces fuel consumption because of its lower weight. Similarly, when used as insulation material in buildings, it aids in energy conservation.
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