You&#;re finally satisfied with your plastic part design, it&#;s now time to consider mold selection so you can start production. But, picking the right mold maker and designing the right mold is less straightforward than you expect &#; you might even find yourself presented with a laundry list of new decisions to make.
Even more confusing, you might have molding project proposals from several injection molders, all with varying designs, costs, and more. So how do you make the right selection for your project?
To help you, here are the best questions to ask before buying molds in the US:
Most of the injection molders that you can find in the US will have their areas of expertise. It&#;s important to ask prospective parts what they are &#; their answer will help you determine whether they have the experience and know-how they need to make the best mold for your application.
You could also check their website or ask them directly for their portfolio, equipment list, and reputation. What you will see is a testimony of the quality and stability of their services and products. Try also asking for a few of their client references, specifically those who work in the same field as you do. Doing this will help you see if this injection molding partner can meet the specific requirements of your industry.
Ideally, the injection molding partner you choose should follow industry standards.
The most important ones include ISO : for product quality and consistency and ISO : for environmental impact. Another industry standard to look out for is IATF, which shows that the injection molding company works on continual improvement, defect prevention, and reduction of errors in its services.
If your injection molder is adhering to all of the above standards &#; like Richfields does &#; then you can rest assured that the mold maker will go above and beyond the necessary quality requirements.
Building a new mold is one of the longest tasks in any production project. While some molds can take just a couple of weeks to design and make, some may take several months. It&#;s important to present your part design and ask your potential partner what the lead time will be for your mold so you can adjust your production schedule accordingly.
If your part design still needs some tweaking, you can ask for a prototype mold to be made instead, which usually takes around 3 to 6 weeks to make. If you&#;re ready for full production, then your mold may take upwards of 12 weeks to make.
What&#;s important here is that your molding partner has a clear idea of what to make and how much time they need to make it. If they can offer intermediary solutions to help with long lead times, then this is a benefit to your production.
With mold-making services in the US ranging in the thousands, you must get a quote early on to see if it aligns with your production budget. Several factors impact the cost of your mold, including mold classification, design complexity, mold cavitation, and specialty molding designs.
For example, prototype molds tend to be much cheaper than a final mold. And, having a specialized design, such as a multi-cavity mold, can also increase initial build costs.
Be upfront about what you want and need for your molds, so your potential partners will know what goes into your mold building price. And great mold maker, like Richfields, will help you find ways to make your design more cost-effective &#; getting you the most bang for your buck.
Where you are in your product development process is a critical factor in how your mold is made. In the early stages of prototyping and pre-production, you can typically expect a lower construction quality mold &#; because they are made to make short runs of your prototype, and make it more cost-effective for several design iterations.
If you&#;re later in the development stages, then you can request a better-built, sturdier mold that is production-ready. Be careful about selecting your molds &#; make sure it&#;s suitable for where you are in your product development process to avoid spending more money on new molds and mold repairs over time.
Depending on what geometries, features, and size you need for your plastic parts, your potential mold-making partners may need to use different mold-making approaches. Some designs will need molds made using hardened steel, or steel inserts, rather than softer metals like aluminum.
The material you&#;re planning to use for your plastic parts will also play a role in how the mold is designed and made. Some resins are incompatible with certain mold materials. For example, plastics like nylon will need a higher quality mold to fit part specifications.
Richfield&#;s molding engineers can help you examine all your part&#;s specifications to determine what kind of mold best suits your needs. Our team will also examine overall functionality to help in the mold design process &#; taking into consideration other features like snap fits, breakaways, and more to design the right mold.
You&#;ll also want to consider the minimum production requirements. How many parts does your mold need to make? Will you have a short production run of only a few hundred parts, or are you aiming for mass production that creates up to a million of them?
If you only need a few parts, then you could probably go for a cheaper mold made from less sturdy materials, like aluminum. But, large volume runs will probably necessitate the use of things like hardened steel inserts, which cost more but helps in meeting your production needs.
Finally, ask if your mold-making partner guarantees the lifespan of their molds. If they do, then your molds should be able to meet your production requirements with minimal risk of error or breakage. If the molder seems confident that their molds can stand up to your strict requirements, it&#;s a good sign that they will be fit for your application &#; and less likely to need adjustments or repairs.
Qisheng contains other products and information you need, so please check it out.
If you are considering which plastic mold maker to work with, then use these eight questions to ask before buying molds in the US to help guide you to the right partner.
At Richfields, we can help you create the best molds for your application &#; no matter how complex or detailed your designs may be. Contact us today to learn more about how we can assist you with your next plastic project.
Below are five-factor to look out for before purchasing an injection molding machine for plastics:
Plastic Injection Molding, as most of us in the plastic production industry know, is just as significant as almost any manufacturing technique.
When it comes to selecting efficient plastic injection molding machines, there seem to be numerous factors to take into consideration.
Several crucial decisions made during each lifecycle of a product are based on information and analysis supplied initially before production commences.
While buying an injection mold, paying utmost attention all through the process is crucial for a continuous and anxiety-free production rate.
Several mold designing considerations must be taken right at the outset of the product life cycle. Others get started as soon as the machine transaction is complete.
Below are five-factor to look out for before purchasing an injection molding machine for plastics:
The largest volume of molten plastic material that an injection molding machine can infuse successfully into the molding chamber in the course of a single molding process is known as shot quantity.
For injector molding machines manufactured in Asia or Europe, the measuring standard for shot quantity is cm3. While US Machines are measured in ounces.
When looking for machinery, it's usually a good idea to go for one that can produce 30-40% larger shot quantities greater than those required by your parts.
In other manufacturing industries, tonnage capacities are evaluated according to the number of tones or downforce the machinery can apply against a workpiece.
Similarly, Tonnage is determined in plastic injection molding equipment as the force required for the equipment to compress platens that support the mold cavities and shape the molten plastic that is infused into that same cavity to achieve the intended product.
The features of mold fill, temperature control, and discharge should be prioritized when you want to purchase an efficient injector molding machine.
The majority of the selections should be justified by simulated results and verified previous experience.
When it relates to discharging of finished workpiece, consider why the product should stay on the machine's ejection end during each cycle and whether it can be evacuated without causing harm to the operator or employees.
No percentage of cost savings is beneficial if it jeopardizes the injector mold's capacity to be maintained, has the potential to impact the dimensional accuracy of parts, or makes start-up and routine operations more difficult.
The cost of scrap materials, depletion of resources, downtime, and maintenance operations will all outweigh tooling investments.
Therefore, it is important to think about how cost savings will impact the total efficiency of the injector molding machine.
Ensure you provide the injection molding supplier with standardized dimensions for the hinged slot, hoist bar, and other subcomponents of the machine.
You must also specify your utility selections, such as gas, water, oil, and electricity.
Failure to specify these details or customize might lead you into purchasing a machine and discovering later that it incorporates characteristics that are not suitable for injection molding.
As a reputable injection molding machine supplier, we make high-quality equipment that meets clients' needs. In addition, we also help customers choose the optimum solution for their plastic manufacturing business.
Kindly click here to reach out directly and discuss your machinery requirements.
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