Low Pressure Overmolding

Low pressure overmolding is a process in which the skin is placed in the mold in advance, and the product is injected overmolding together with the molten plastic.It can be used in automotive industry, LED, PCB, 3C electronic products, semiconductor, micro switch, motor coil and other electronic components.

Advantages of low pressure overmolding

1. no possibility of falling off

2. more environmentally friendly

3. internal structure can be designed arbitrarily

4. the modeling characteristics are clearer and stronger

5. improve production efficiency

6. good feel and appearance

7. low rejection rate

Benefits of low pressure overmolding

●Enhanced protection for fragile items: Due to the low pressure involved in low-pressure overmolding, sensitive components such as antennas or circuit boards can be overmolded without being damaged.

●Reduced parting lines: Low-pressure overmolding facilitates the creation of a sleek and seamless part, unattractive seams and parting lines are completely eliminated.

●Wireless capabilities: The process of overmolding can create parts that have strong wireless capabilities.

●Prevention of theft and tampering: Low-pressure overmolding can also prevent both physical and intellectual property theft. By seamlessly molding an item into a part, extracting or tampering with the component proves far more difficult. The only way to access the over-molded item is to break it.

About us

Yangzhou Ding Yue plastic electronics is a plastic processing-based production and processing enterprises, mainly engaged in sheet metal mold, injection mold, plastic mold processing, sales and design, development, and manufacturing. Set R & D design, manufacturing, maintenance in one. Companies adhering to the "integrity, professional, win-win" business philosophy, adhere to the customer first, science and technology to serve customers, adhere to technological progress, continuous innovation, continuous beyond, has become a rubber and plastic industry quite strength and scale of enterprises.

Parts and Equipment

The best injection mold tooling makes the best finished products. That's just what we deliver, providing our customers with products that fit their needs and exceed their expectations.
With an exceptional team of engineers ready to help our customers optimize their injection mold tooling designs, we're committed to getting it right from the start. After your part design is completed, the custom tooling process begins and is strictly monitored to ensure the highest quality standards. We will meet your budget needs with experience in both domestic as well as off-shore tooling sources. Regardless of selected sourcing location, we will provide status reports to keep our customers informed along the way.

Assembly

We take our molding expertise and combine this with our years of automation and testing experience to add quality and value to our products. Our assembly operations are more than simply put parts together: we build in numerous quality checks throughout each process to ensure a perfect part, every time.(https://www.dy-plastics.com/assembly)

FAQ

1. Q: How much pressure should be used in injection molding?

A: Injection pressures must be high enough to fill the cavity, forcing material into the furthest reaches. Injection pressures commonly range between 70 and 112 MPa (10–16 kpsi).

2. Q: What is LPM material?

A: Low Pressure Molding (LPM) with polyamide and polyolefin (hot-melt) materials is a process typically used to encapsulate and environmentally protect electronic components (such as circuit boards). The purpose is to protect electronics against moisture, dust dirt and vibration.

3. Q: What does Overmolding mean?

A: Overmolding is a unique custom injection molding process that results in a seamless combination of multiple materials into a single part or product.

4. Q: What are the effects of low injection pressure in the injection Moulding process?

A: Too low an injection rate inhibits the packing of the cavity because the material cools during the filling phase and the gate will freeze very quickly after the mold is filled. This leads to higher shrinkage.