High quality abs plastic moulding

ABS plastic injection mold

Acrylonitrile butadiene styrene(ABS) is a copolymer with good toughness and impact strength. ABS plastic moulding is a process that injects molten ABS plastic into a pre-cut mold, allowing it to cool and solidify as it is kept under constant pressure for a designated period. Once cooled and hardened, the final product pops out of the mold, ready to be packaged and shipped for further processing or use.

ABS injection molding process

ABS plastic moulding takes place according to the following steps:

Preheating:

Before injection, the mould is heated to allow ABS plastic to fill in the details of the mold. The injected plastics are about 1,000 times thicker than the nozzle used to inject them, so they have to be softened enough for effortless flow into all areas. This only takes a few seconds, but it accounts for 25% of cycle time.

Loading:

Different plastic injection machines have different ways of accepting molten material from outside sources. Some use gravity, while others use pumps or vacuum-assisted feeders. It’s important to note that some moulds are cooled on the exterior, while others are in heated racks.

Molding:

A screw turns and forces the molten material into the mould cavity under tremendous pressure. As soon as it enters, a coolant mist is used to reduce the temperature of the material, so it doesn’t overheat and damage the tooling. The pressure is maintained for the duration of the injection cycle. The length of time this takes varies according to factors such as:

• The mold temperature
• The viscosity of the material
• The mold design itself (shorter times are needed with complex moulds)

Cooling:

Plastics are petroleum products. Although injected plastics are heated up to 450° Fahrenheit, they cool rapidly as soon as the pressure is released once they enter the mold. This rapid cooling process allows these materials to retain their strength and durability for years.

Ejection:

After five or six seconds of cooling in the mold, the final product pops out, ready for processing or shipping. Before ejection, excess plastic is trimmed away using robotic arms (if required), always following strict FDA guidelines for contaminants like metal chips and debris that can occur during injection moulding.

Ejection time is about 5-6 seconds.

Yes, ABS plastic injection molding is simple to operate. You can quickly learn how to use the process through training and practice.

ABS plastic injection molded parts

ABS plastic moulding process makes numerous plastic products, which are listed below

1. ABS Plastic Bottle cup mould
2. ABS Plastic Chair mould
3. ABS Plastic Cover mould
4. ABS Plastic Hanger mould
5. ABS Plastic Bucket Mould

Yes, ABS plastic injection molds are custom made according to the customer’s requirement. Go4mould offers free 3D design for your convenience.

According to the following factors, you can choose Go4mould as an ABS plastic injection molds manufacturer.

• ISO 9001:2008 certified:

The world’s leading manufacturing quality standard for business, products and services. The ISO certification is well recognized worldwide. It confirms that Go4mould has adopted the most rigorous approach to the design, development, production, installation and servicing of its moulding technology by creating an effective Quality Management System (QMS).

• Design capability:

With over 6,000 injection molds already developed in years of experience in the plastics molding industry, we can create custom ABS plastic injection molds to meet your requirements.

• Global network:

Go4mould has a sufficient number of engineers and highly qualified technicians in Shenzhen, Dongguan & Beijing Factory, and field support teams throughout the world for its customers around the world. It can provide our customers with 24 hours 7 days per week technical support from worldwide.

Applications of ABS plastic injection mould is given below

1. It is used in the automotive industry.
2. It is used in the consumer goods industry.
3. It is used in the electrical industry.
4. It is used in the medical & healthcare industry.
5. It is also used to manufacture toys, household products, furniture and other items.

There are two different types of mold tooling used in ABS plastic moulding, as follows.

Core and cavity:

This type of mould is used for thin-walled parts. They consist of a core and a cavity. The core shape forms the inner surface of the hole after the core has been pulled out from it. During operation, thin sheet metal or sand cores may be inserted into them to form undercuts.

Cores and slides:

These moulds are mainly used for more significant parts where sliding or stripping movements between active surfaces cannot be tolerated because solid cores would damage the mouldings. Many components use this style, such as thin-walled tubes, trays etc., which can be assembled later.

Hence, ABS injection molding is made with the help of core and cavity molds only.

The price range of ABS plastic injection molds varies according to the size and complexity of the mold. For an average molded part, the cost for tooling is typically 1% – 2% of the total product manufacturing costs. We will give you a quotation after understanding your need completely to meet your requirement.

Advantages of ABS Plastic Injection Mold are given below:

1. ABS is a petroleum-derived polymer with good thermal stability, which provides the ABS with high-performance injection moulds compared to other plastics.
2. ABS Injection Mold can be processed by simple tooling.
3. ABS Injection mold has good dimensional stability.
4. This material can also be recycled. Therefore it is widely used to manufacture computer housings, automotive parts and consumer products.
5. It allows good flowability because it has high melt strength, which means that this polymer does not form stress whitening quickly under pressure, even at elevated temperatures.
6. It allows a good surface finish because it can be polished or brushed after molding to obtain the desired lustre, such as high gloss or satin.
7. It can be readily injection molded into any desired product shape because it is amorphous; it does not have a regular repeating unit or crystal structure.

Materials for mould manufacturing

There is the following list of materials required for ABS injection molding:

Mould material:

Common casting metals is steel that has been hardened to the desired degree. It can be either High-speed steel or Meehanite iron. The hardness of the steel should be at least 70 HRC (Rockwell Hardness C) which allows them to last longer.

Mould base plate:

This helps provide a stable surface for the mold and helps seal it tightly during injection and cooling. Usually, a ceramic or a polymer compound is used for this purpose.

Ejector pins:

These are divided into two types: Hot/ Cold Ejectors & Gas Ejector Pins; these ejector pins are designed depending on the complexity of the design of your products.

Sprue bushing:

It is a metal bushing, usually made from Meehanite iron, that creates a pathway through which the molten material enters the mould cavity.

Vent hole:

This small hole is used to evacuate gases from the mould cavity separately from the venting system.

No, we do not supply refurbished injection moulds and second-hand injection molds. But we can design a new mould for your reference with the same quality standards at a lesser price.

It depends on the complexity and volume of mold design. It takes approximately 8 to 12 weeks to be completed.

You can place your order at Go4mould by filling our request for a quote form. We will get in touch with you via email to discuss the specifications and design drawings for ABS plastic injection molds. After that, we will provide you with a fair quotation based on your requirement.

First of all, our engineer will send you a draft or sketch of the plastic injection moulds for confirmation. Once you are satisfied with the design, we will give you an estimated cost and delivery time. Finally, we require a 40% payment to start production and balance payment before delivery.