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Below, we’ve broken down how thermosets and thermoplastics differ in the injection molding process, material availability, uses, cost, and recyclability. Take a look:

Thermoplastics are created by melting pellets and then cooling them, which ensures the finished part can also be remelted. This allows thermoplastics to be recycled. Of course, certain properties are no longer the same once you’ve melted a part down, so recycling a thermoplastic doesn’t ensure you’ll get the same quality plastic part—but it is worth noting.

Clamp the mold based on the tonnage requirement After completing the mold for the plastic bottle cap design, you will need to clamp the mold according to the tonnage requirement of your machine, which will allow you to connect the feeding system with the mold. Be sure to follow the tonnage requirement to ensure that your mold will hold its place during the production period.

Timely maintenance For example, the lack of oil in the sliding part will lead to increased wear. If it can be maintained in time and oiled in time, it will reduce wear. Delaying the shutdown of the mold, as in the lateral core pulling mechanism of the inclined guide column, the screw fixing the inclined guide column is loosened, which causes the position of the inclined guide column to change. In severe cases, the inclined guide column can be deformed or even broken. These problems will be discovered in time during maintenance and tightened in time, and these similar problems will not occur.

Established in 2008,Guangzhou Jeepine Intelligent Compression Molding Machine Co., Ltd is one of the leading manufacturer of The High-compacity Cap Compression Molding Machine ,dedicated to High-efficiency and cost-saving compressing molding technology.especially for the bottled water cap compression molding,beverage cap moulding,dairy cap molding,liquor cap molding,condiment cap molding,cosmetics closure molding and pharmaceutical rotary closure molding machine. Jeepine are leading the advanced compression technology for plastic closures in China,with the aim of creating value for customers. We have a professional R&D team,CAE academicians , overseas returnees ,doctors and masters who dedicated to make a superb design for caps and research the newest technique to create the value for customers. Whatever platform strategy, mature technology and innovative solution would be brought to you, optimal combination possibilities for high efficiency,high capacity,high stability and offered you the right solution as you need, enhancing your benefits.

We are experts in custom thermoplastic injection molding, and we are happy to answer them for you. Drop us a line, and let’s discuss.

Ejection of the bottle caps from the mold Now, it's time to remove the injection-molded caps from the mold cavities. The mold will be able to handle thousands of production cycles, so you can repeat the process again as needed.

Reduce downtime During the use of plastic bottle cap molds, there is always the possibility of major failures that require shutdown and maintenance, and can no longer continue working during shutdown. Therefore, it is hoped that the shorter the shutdown time, the better, and the fewer the shutdown times, the better. The major failure of the mold is often not sudden. It has an accumulation process.

Reduce operating costs In the process of using the mold, there are many operating costs, such as inspection costs, adjustment costs, lubricant costs, repair costs, etc. The sum of these costs is the operating cost. Of these costs, the largest amount is repair costs. If the maintenance of the mold is not good, many extra repair costs are often paid, which makes the mold unable to work normally and increases the operating cost.

Thermosets are most frequently used in situations where the part must be able to withstand high temperatures. Medical parts are a good example; dental tools with silicone handles and metal parts must be able to withstand the autoclaving process in order to be sanitized and reused over and over again, so the silicone must be thermoset. Higher voltage electrical applications also use thermosets.

The properties of thermosets and thermoplastics are quite different—but the similarities and differences are often asked about. The primary difference in these two plastics comes down to heat and chemical resistance. Heat resistance is the primary function of a thermoset material, while thermoplastics—which are much more common—can only withstand heat to a certain degree. It’s worth noting that plastic injection molding companies typically do either thermoset or thermoplastic injection molding, but rarely do they handle both.

Thermoplastic parts are more likely to be used for consumer plastics that either won’t come in contact with high temperatures, like the plastic used in milk jugs, or will need to withstand moderately high temperatures. Certain polycarbonates, for example, are resistant to hot liquids and often used to make plastic to-go mugs—but they can still deform or melt at high-enough temperatures.

The blade is specially designed The unscrewing ring knife edge of the plastic bottle cap mold adopts a split structure, which can make the blade not deformed, the positioning is accurate, the replacement is easy, and the mold is closed without pressure. defect.

In thermoset injection molding, cold material is injected into an extremely hot mold to create a part. This process cures the part so it can never be melted again.

The very first plastic materials created were thermosets, but today, thermoset injection molding is not as common except with electrical contact applications and liquid silicone. Thus, thermoset injection molders are typically more difficult to find than thermoplastic injection molders.

Multi-cavity point Plastic bottle cap molds have mature technology from 4 to 32 cavities, simplified hot runner work, and low cost.

Plastic Cap Mould is an abbreviation of molds includes compress molding, extrusion molding, injection molding, blow molding and low foam molding. It is a tool to make a fixed shape products with kinds of plastics. The tool is mostly have two parts called male mold and female mold. There is some empty space after the male mold and female mold closed. That is the plastic product`s shape. We put some melt plastic to fill the empty space and then we got a plastic part after it was cured.

Raw material: HDPE/PPMax production capacity: 100,000pcs/h Cavity: 24/48/54 Cap type: 3025/2925/38mm/1810/1881/2622/alaska/etc

Feeding the plastic materials into the mold Next, it's time for you to feed the plastic materials into the mold. You will need to do this before starting the injection molding operation to ensure that the plastic materials will be ready when you start the production operation.

We have a professional R&D team,CAE academicians , overseas returnees ,doctors and masters who dedicated to make a superb design for caps and research the newest technique to create the value for customers.

We have a professional R&D team, CAE academicians, overseas returnees, doctors and masters who dedicated to make a superb design for caps and research the newest technique to create the value for customers.

In thermoplastic injection molding, plastic material is melted and injected into a mold to create a part. Once this part cools, the mold opens and the part drops out.

The cooling process of the injection-molded plastics Now, the extrusion process will be complete, and the injection-molded bottle caps will need to cool down before you can eject them from the mold. Depending on various factors, you will need to wait for different cool-down times for the plastic bottle caps.

Continuous compression molding machine for the production of plastic caps by extruding the granulated compound (HDPE, PP), cutting it into single pellets, inserting it into the cavities, and finally molding the cap according to a defined design. The output of the machine depends upon resin, part design and part weight.

High efficiency The plastic bottle cap mold adopts a simplified dispensing hot runner, no glue mouth waste, and the cycle reaches 5 seconds.

High life expectancy The cavity of the plastic bottle cap mold is made of high-quality mold steel, and the guide post and guide sleeve of the mold are lubricated without oil, which has the strong advantages of no pollution and a service life of up to ten million times.

Material : HDPECapacity: 100000pcs/h Forming by: Compression molding Cavity : 24/36/48/54 cavity Cap type : 3025/2925/38mm/28mm/2622/alaska /etc

Thermosets, on the other hand, cannot be remelted—so while thermoplastic parts could, hypothetically, be ground up and used in a sandbag, their recyclability factor is limited.

The cost difference between thermoset and thermoplastic injection molding is not black and white. While the thermoset process is typically slower—which equates to a higher cost—the material difference in thermoplastic could range from 90 cents to $10 per pound, depending on the properties. That said, cost considerations should not be enough to sway an engineer toward one type or another—a decision should be based far more on material properties and the functionality of the part needed.

When considering thermoset vs. thermoplastic parts, you’ll also want to consider whether the part will regularly be contact with certain chemistries. If you’re manufacturing plastic casing for an EKG, for example, the material used will need to be able to withstand any hospital-grade chemical disinfectants.

Guarantee product quality To ensure that the plastic mold can produce qualified plastic parts stably and reliably, the plastic bottle cap mold must be in good working condition. When the injection mold is working, it is always impossible to stay in working condition. There will always be one or another situation, such as the lack of oil in the guide post and guide sleeve, which will cause action blockage, and the loosening of the fasteners, which will cause deformation of the action. These small problems will adversely affect the quality of the product. Overcome these minor problems and make the mold in good working condition.

Material : HDPECapacity: 20000-22000pcs/h Cap weight : 2622 CSD 1.8g; 2622 Water cap 1.1gCap type: 2622 water cap , 2622 CSD cap

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Using the extrusion mechanism For plastic bottle cap production, you will need to use the extrusion mechanism, as this is the mechanism that works best to produce tube-shaped products. With the extrusion mechanism, you can create plastic bottle caps that will have the best design, along with the threading system inside the cap.

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