In the injection molding industry, waste is a problem. During the molding process, the generated waste can be expensive and…well, wasteful. Having a waste management system in place can help reduce waste and make the molding process more efficient and cost effective.
One of the best ways to reduce waste during the injection molding process is to adopt a lean manufacturing approach. When an injection molder uses lean manufacturing techniques for molding parts and components, it ensures resources are not wasted. While most molders associate lean manufacturing with cost reduction, it also can be used as an effective waste management system. The two go hand in hand.
Improving Mold Design
One of the reasons for waste accumulation is molding defective and flawed parts. This usually occurs due to poor or ill-conceived mold design. So, an injection molding company should have designers and engineers that work together as a team. This will ensure the mold design is made right the first time around and it will prevent you from having quality issues and handling customer complaints. In addition, when the mold design is perfect, it helps to improve cycle time.
When you make an effort to design the mold correctly in the beginning, it also will help to reduce your energy consumption. As a result, you will be able to pass on the cost saving to your customers by offering them competitive pricing.
Using Proper Molding Techniques
Another aspect of waste management is ensuring your operators are competent and know the right molding techniques. This means they need to be trained on using a variety of molding techniques based on design and resins used. When you train your molders, you reduce waste, as the manufacturing process occurs without a hitch and you do not have to deal with machine or press damage.
Nano Mold Coating
Using our scientifically advanced plastic mold coatings, greases, lubricants, cleaners and corrosion control products will also help manufacturers significantly reduce costs while eliminating the waste of conventional methods.
Nanoplas is a leader in bringing innovative Nano Technology products to the industrial market. Our coatings are easy to apply and last up to 300,000 parts; and they are a great way to combat high scrap rates, streaks and drags, as well as extended cycle times.
Long Cycle Times
Often a lot of waste occurs because of unnecessary cycle times. This happens due to incompetence of the molder, poor design of the mold and/or poor design of the part. To prevent waste, your waste management system should try and reduce cycle times to deliver best results without wasting material.
Once you manage to change the waste mindset in the workroom, your business will benefit tremendously. Lean manufacturing is the best way to achieve this goal. You will also be able to boost your employees’ morale as the result of a cleaner space, which will lead to better productivity, and you will be able to build a reputation for your company as a reliable and quality injection molding company. When your reputation improves, you will see your customer base increasing.
In the recent past, many injection molding companies are no longer off-shoring their manufacturing process due to quality issues and unforeseen expenses. With tough competition in this industry, injection molding companies have realized the importance of quality products and being close to their customers.
So, if companies want to survive in this competitive market, it is imperative they try and eliminate waste across all the manufacturing processes. By having an effective and efficient waste management system in place, injection molding companies can meet and even exceed their customers’ expectations.
Have questions about how best to cut down on waste in workroom? Contact us HERE!
5 Major Advantages to Using Plastic Injection Molding for the Manufacturing of Parts
Plastic injection molding is extremely versatile method of producing parts and products. It is one of the preferred methods for manufacturing parts because it has multiple advantages over other methods of plastic molding. Not only is plastic injection molding simpler and more reliable, it is also extremely efficient. You should have no doubts about using this method to manufacture parts.
Here are 5 major advantages of using injection molding for manufacturing plastic parts and components.
1. Detailed Features and Complex Geometry
The injection molds are subjected to extremely high pressure. As a result the plastic within the molds is pressed harder against the mold compared to any other molding process. Due to this excessively high pressure, it is possible to add a large amount of details into the design of the part.
Furthermore, due to high pressure during the molding process, complex and intricate shapes can easily be designed and manufactured which otherwise would have been too complicated and expensive to manufacture.
2. High Efficiency
Once the injection molds have been designed to the customer’s specifications and the presses pre-programmed, the actual molding process is very quick compared to other methods of molding. Plastic injection molding process hardly takes times and this allows more parts to be manufactured from a single mold. The high production output rate makes plastic injection molding more cost effective and efficient. Typically, hot-runner ejection mold systems produce parts with more consistent quality and do so with faster cycle times, but it’s not as easy to change colors nor can hot runners accommodate some heat-sensitive polymers. Learn more about the key differences between hot-runner and cold-runner systems.
3. Enhanced Strength
In plastic injection molding, it is possible to use fillers in the injection molds. These filler reduce the density of the plastic while it being molded and also help in adding greater strength to the part after it has been molded. In fields where parts need to be strong and durable, plastic injection has an option that other molding processes do not offer.
4. Ability to Use Multiple Plastic Types Simultaneously
One of the major advantages of using plastic injection molding for manufacturing parts is the ability to use different types of plastic simultaneously. This can be done with the help of co-injection molding, which takes away the worry about using a specific type of plastic.
5. Automation to Save Manufacturing Costs
Plastic injection molding is an automated process. A majority of the injection molding process is performed by machines and robotics which a sole operator can control and manage. Automation helps to reduce manufacturing costs, as the overheads are significantly reduced. Furthermore, with reduced labor force the overall cost of manufacturing the parts is reduced and this cost saving can easily be passed on to the customer.
Furthermore, automation allows for making precise and accurate injection molds. Computer aided design (CAD) and computer aided manufacturing (CAM) allow close tolerances during the making of the molds.
The Bottom Line
Using injection molding also ensures the parts manufactured hardly require any work after the production. This is because the parts have more or less a finished appearance after they are ejected from the injection molds.
Today, plastic injection molding is an environment-friendly process. The scrap plastic generated during the production process is reground and re-used. Hence, the process generates very little waste.
Whether it’s a fully-fledged lean manufacturing shift or just a stronger sense of community in the break room, companies are becoming more concerned about creating a sense of culture in the work place, especially when change is already imminent. Leaders need to lead from the front, says this article from Industry Week. So the question becomes, What are the most important things organization leaders can do to effectively create and manage culture change?
“Ultimately, these kinds of changes will unleash the brainpower of the masses and the culture change that is necessary will begin to gain momentum [with lean].”
If you’re looking for an injection molder for your project, it is important you find one that suits your needs and offers you the best possible injection molding service. In all probability, you will continue using the same molder for all your projects, as long as you know for sure that he/she will produce quality plastic molded parts. So, whether your organization has designed a new product or improved an existing one, choosing the right injection molder could mean success or failure of your product.
Here are some tips to find the best injection molder. (more…)
Plastic injection molding pressures are classified based on the clamping pressure that the molding presses exert. This is the reason why it’s important to check the size of the press, which is often referred to as the tonnage. The clamping pressure exerted by the press can range anywhere from 5 tons to more than 4,000 tons. (more…)
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