PET Stretch Blow Molding Machines

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Last update:
2024-02-07 09:27
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Taizhou Huangyan Yuanda Machinery Manufacture Co., Ltd

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Contact：yuandajixie(Mr.)

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Area：Beijing

Address：Beijing

Website：http://www.ydblowingmachine.com/ http://yuandajixie.wmbutton.com/

Product details

why choose us

Wholesale PET Stretch Blow Molding Machines Supplier

Founded in 2006, Taizhou Huangyan Yuanda Machinery Manufacture Co., Ltd. is a focused enterprise and professional manufacturer of bottle blow molding machines. We produce a variety of bottle-making machines, including PET stretch blow molding machines, edible oil bottle-making machines, and more.

Customized Services

We customize our services based on our customers' specific requirements, ensuring that our production equipment perfectly meets their needs, from bottle shapes and sizes to production line configurations.

Advanced Equipment

We have cutting-edge production equipment and use the latest technology and processes to ensure that each bottle blowing machine has the highest production efficiency.

One-stop Solutions

We offer a complete bottle-blowing system solution, including PET preforms, bottle blowing machines, molds, chillers, and air compressor systems. Additionally, we provide PET preform making machines and bottle cap making machines.

PET Stretch Blow Molding Machine:

You Need to Know!

A PET (Polyethylene Terephthalate) stretch blow molding machine is a type of equipment used in the manufacturing of plastic bottles, typically made from PET resin. It is specifically designed to stretch and blow mold PET preforms into the desired bottle shape.

About Our PET Stretch Blow Molding Machine

This machine is a 2L 4-cavity automatic blow molding machine with a long service life, suitable for 100ml-2L PET bottles, and the output is about 5000-5200BPH. PET stretch blow molding machines are equipped with 4 servo motors. In addition to the full automation of the production process, it also has the advantages of low investment, high efficiency, convenient and simple operation, stable and accurate high-speed operation, etc. This machine adopts a more stable and advanced microcomputer PLC control system, and its operation process is very simple and easy to learn, so you don't need complicated training for workers. It can be widely used in the production of packaging bottles for food, beverage, pharmaceutical, cosmetic and chemical industries.

â€‹â€‹Benefits of PET stretch blow molding machines

01.

Versatility

PET stretch blow molding machines are versatile and capable of producing a wide range of bottle shapes, sizes, and designs. They can accommodate various neck finishes, handles, and other custom features, allowing for greater design flexibility.

02.

High productivity

PET stretch blow molding machines feature high-speed production capabilities, enabling manufacturers to produce a large number of bottles in a relatively short period. This high productivity helps meet market demand and improves overall production efficiency.

03.

Cost-effectiveness

The use of PET material in stretch blow molding offers cost benefits. PET resin is lightweight compared to other plastic materials, reducing shipping and storage costs. Additionally, PET is highly recyclable, making it an environmentally friendly and cost-effective option.

04.

Excellent bottle quality

PET stretch blow molding machines provide precise control over bottle dimensions, resulting in consistent quality and uniformity across each production cycle. The stretching process helps enhance the mechanical properties of PET, improving bottle strength and clarity.

05.

Energy efficiency

Modern PET stretch blow molding machines are designed with energy-efficient features. They optimize heating, cooling, and air compression processes, reducing energy consumption and operating costs.

06.

Reduced material waste

PET stretch blow molding machines minimize material waste by utilizing preforms that can be accurately stretched and blown into the desired bottle shape. This process ensures efficient material usage, reducing scrap and minimizing costs.

07.

Automation and integration

PET stretch blow molding machines can be integrated into automated production lines, allowing for seamless coordination with other equipment. This integration streamlines the manufacturing process, reduces labor requirements, and improves overall production efficiency.

08.

Hygienic and safe

PET is a food-grade material, ensuring the safety and hygiene of the bottles produced. PET stretch blow molding machines are designed to maintain strict sanitary standards, making them suitable for applications in the food and beverage industry.

Machine Technical Parameter

TYPE	ITEM	UNIT	PARAMETER
Container	Product material	/	PET
	Container volume	L	2 (4-cavity)
	Theoretical output	PCS/H	5000-5200
	Max.container diameter	mm	114.3
	Max.container height	mm	360
Mouding	Max.mould plate Dimension(L*W)	mm	900*670
	Max.mould thickness	mm	300
	Clamping force	KN	1000
	Mould opening stroke	mm	125
Machine size and weight	Main machine(LWH)	mm	480016002000
	Main machine weight	Kg	4800
	Preform Loader Size (LWH)	mm	210012003000
	Preform Loader Size	Kg	300
	Max.heating power	kw	120

The Process of PET Stretch Blow Molding

Preform loading: PET preforms, which are small tubes made of PET resin, are loaded into the machine's preform feeding system. The preforms are heated in an infrared oven to make them malleable for the molding process.

Stretching: The heated preforms are transferred to the stretch blow molding station. Here, the preforms are clamped by the neck and stretched in length using stretch rods. This stretching process helps orient the molecules in the PET material, resulting in improved strength and clarity of the final bottle.

Blowing: After stretching, the preforms move to the blowing station. Compressed air is injected into the preforms, causing them to expand and take the shape of the mold cavity. The pressure of the compressed air forces the molten PET material against the mold walls, creating the desired bottle shape.

Cooling: Once the bottle is formed, cool air or water is circulated to rapidly cool the mold and solidify the bottle. The cooling time is crucial to maintain the bottle's dimensional stability and prevent deformation.

Bottle ejection: After cooling, the mold opens, and the finished bottles are ejected from the machine using robotic arms or other automated systems. The bottles then proceed to downstream processes such as labeling, filling, and packaging.

Common Types of PET Stretch Blow Molding Machines

Based on your production volume, bottle size and shape requirements, as well as budget considerations, YUANDA Machinery can assist you in customizing the optimal solution that suits your needs.

Linear PET stretch blow molding machine

This type of machine is designed with a linear configuration, where the preform movement is linear and sequential. Linear machines are suitable for lower to medium production volumes and offer good flexibility in terms of bottle sizes and shapes.

Rotary PET stretch blow molding machine

Rotary machines have a rotating turret that holds multiple molds. The preforms move in a circular motion, passing through different stages of heating, stretching, blowing, and cooling. Rotary machines are known for their high production speeds and are suitable for large-scale production.

Hybrid PET stretch blow molding machine

Hybrid machines combine the benefits of both linear and rotary machines. They have a combination of linear and rotary movements, allowing for increased production flexibility and efficiency. Hybrid machines are ideal for medium to high production volumes.

Reheat PET stretch blow molding machine

Reheat machines are used when a separate process of preform heating is required before stretching and blowing. They use infrared heating to heat the preforms to the desired temperature, ensuring consistent heating throughout the preform. Reheat machines are suitable for specialty bottles or when different preform materials need specific heating conditions.

Integrated PET stretch blow molding machine

Integrated machines combine the functions of stretch blow molding with other processes, such as preform injection molding. These machines provide a complete solution from raw material to final product, offering greater control and efficiency in the production process.

Applications of PET Stretch Blow Molding MachinesÂ

Beverage industry

PET bottles are widely used in the beverage industry to package carbonated drinks, juices, water, and other beverages. PET stretch blow molding machines can produce bottles with customized shapes, sizes, and neck finishes, making them ideal for branding and marketing purposes.

Personal care industry

PET bottles are commonly used in the personal care industry to package items such as shampoos, conditioners, lotions, and other cosmetic products. The versatility of PET stretch blow molding machines allows manufacturers to produce bottles with unique designs and features to differentiate their products from others.

Pharmaceutical industry

PET bottles are also used in the pharmaceutical industry to package liquid medications, syrups, and other healthcare products. PET stretch blow molding machines ensure that the bottles produced meet strict hygiene standards and provide leak-proof packaging for the contents.

Food industry

PET bottles are used in the food industry to package sauces, dressings, oils, and other food products. PET stretch blow molding machines can produce bottles with different shapes and sizes, providing a variety of packaging options suitable for different types of food products.

Household and industrial chemicals PET bottles are also used to package household and industrial chemicals such as detergents, cleaning agents, and lubricants. PET stretch blow molding machines produce bottles that are durable, resistant to chemical corrosion, and safe for handling and transportation.

Detail Images of Our PET Stretch Blow Molding Machines

PET Stretch Blow Molding MachinesÂ ,Â PET Bottle Blowing Machine , Mineral Water Bottle Blow Molding Machine


Control system	PLC The Cylinder

4 CavityÂ	4 Cavity PET Bottle

Cooperation Brands

We provide whole line auxiliary equipment and the brand we employee are all famous around the world!

Our FactoryÂ

Factory

Warehouse

Sample Room

Machining Center

FAQ

Q: What types of products can be made using PET stretch blow molding machines?

A: A wide range of products can be manufactured, including bottles for beverages, food containers, personal care products, pharmaceuticals, and industrial liquids.

Q: What are the key components of a PET stretch blow molding machine?

A: Components include a preform heating system (using infrared heaters or other methods), a stretching and blowing unit, a mold cavity, and a control system to manage temperature, pressure, and other parameters.

Q: What are the advantages of using PET for blow molding?

A: PET is preferred due to its transparency, lightweight nature, recyclability, and excellent barrier properties, making it suitable for various packaging applications.

Q: How is the quality of the blown bottles ensured?

A: Quality control involves precise monitoring and adjustment of parameters such as temperature, pressure, and stretching ratios to ensure uniform thickness, shape, and strength in the final product.

Q: What is the typical production speed of a PET stretch blow molding machine?

A: Modern machines can achieve high production speeds, ranging from hundreds to thousands of bottles per hour, depending on the machine's design and specifications.

Q: How are PET preforms manufactured?

A: PET preforms are produced through injection molding machines, where melted PET material is injected into a mold, cooled, and then stored for later use in the stretch blow molding process.

Q: Can PET bottles be recycled?

A: Yes, PET (polyethylene terephthalate) bottles are highly recyclable. The recycling process involves collecting used PET bottles, cleaning and shredding them, melting the shredded material, and then reforming it into new products. This process can be repeated multiple times without significantly degrading the quality of the PET material.

Recycling PET bottles has several environmental benefits, including the reduction of waste in landfills, conservation of resources, and a lower carbon footprint compared to producing new PET from raw materials. Many recycling programs around the world accept PET bottles, making it easy for consumers to contribute to the recycling effort.

The recycled PET material is often referred to as rPET, and it is widely used to manufacture various products, including new PET bottles, textiles, packaging materials, and more. Recycling PET bottle.

Q: What is the role of the mold in the blow molding process?

A: The mold plays a crucial role in the blow molding process, shaping the molten material into the desired form. In the context of PET stretch blow molding, the mold is particularly significant.

Q: How is the heating of PET preforms controlled?

A: The heating of PET (polyethylene terephthalate) preforms is a critical step in the stretch blow molding process. Proper control of the heating process ensures that the preforms reach the optimal temperature for stretching and blowing. The most common method for heating PET preforms is using infrared radiation, but other methods may also be employed.

Q: What are the common challenges in PET stretch blow molding?

A: Challenges may include preform inconsistencies, uneven stretching, and variations in wall thickness. Addressing these issues requires careful machine setup, maintenance, and monitoring.

Q: How is the thickness of the bottle walls controlled during molding?

A: Precise control of inflation pressure, stretching ratios, and cooling rates helps maintain uniform thickness in the bottle walls during the blow molding process.

Q: Can PET stretch blow molding machines handle different bottle sizes and shapes?

A: Yes, machines can be adapted for different bottle sizes and shapes by changing molds and adjusting machine settings accordingly.

Q: What is the difference between single-stage and two-stage PET stretch blow molding?

A: In single-stage machines, preform molding and bottle blowing occur in the same machine and process. Two-stage machines separate these processes, providing more flexibility and control over the final product.

Q: What are the energy consumption considerations for PET stretch blow molding?

A: Modern machines often incorporate energy-efficient features such as infrared heating and optimized cooling systems to minimize energy consumption.

Q: Are there specific safety measures for operating PET stretch blow molding machines?

A: Safety measures include proper operator training, the use of personal protective equipment, adherence to machine operating procedures, and compliance with guidelines provided by the machine manufacturer.

Q: Can PET stretch blow molding machines be automated?

A: Yes, many PET stretch blow molding machines are equipped with automation features, including robotic systems for tasks such as preform loading, mold changing, and quality control, contributing to increased efficiency and reduced labor requirements.

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