The PP (polypropylene) hollow board extrusion line is a specialized manufacturing process used to produce lightweight, high-strength polypropylene boards with a hollow, cellular interior structure.

The price of the pp hollow board extrusion line is determined by different needs:

1. According to product width: it can be divided into 1400mm, 1800mm, 2300mm, 2400mm, 2600mm, 2800mm, 3000mm, 3200mm units

2. According to product thickness, it can be divided into 2-6mm, 6-12mm, and 12-18mm units

3. According to the product structure, it can be divided into double wall panels, three wall panels, and four wall panels,

4. According to the shape of the product, it can be divided into ordinary | type, S-type, V-type, X-type, and rice type

5. According to the use of plastic materials in the product, it can be divided into PP, PE, and PC

Features of high productivity pp hollow sheet extrusion line:

The configuration characteristics of the high productivity polypropylene hollow sheet extrusion production line are as follows:

Adopting a specialized new extruder, it has the characteristics of good plasticization, high output, low noise, and high automation.

The independently produced molds have more precise and uniform extrusion pressure, making the mold molding smoother.

The specially designed high-speed shaping template is made of high-quality materials and is equipped with special patented water channel holes and vacuum air ducts, which provide better water cooling and vacuum effects, achieving high-speed shaping in the product production process. The product thickness adjustment is convenient, the cylinder lifting device is designed reasonably, and it is more convenient to use.

The first traction device consists of three rollers (three pairs of rubber rollers), which are lifted and compressed by a cylinder. It is equipped with a trimming device, and the speed can be synchronized with the whole machine or adjusted separately. It can be operated according to the actual situation.

The design of the hot oven is reasonable, with a beautiful appearance and 10 heating zones inside. The temperature can be adjusted according to the needs of the product. The oven cover is lifted by a cylinder and equipped with a safety device.

The cutting device adopts electric flying cutting cross cutting, synchronous pulley and servo motor control.

Advantages of the hollow Profile Sheet Co-extrusion Line:

The advantages are as follows:

1. Choose branded reducers for the main engine, auxiliary engine, and reducer.

2. The screw has good plasticizing effect, can adapt to all raw materials and high filling, and has good wear resistance.

3. Mold: After the raw materials are heated and dissolved, they are extruded through a mold, with alloy die lips and adjustable flow barriers to provide uniform pressure.

4. Molding table: High speed molding template, using high-quality high conductivity materials, special patented design of cooling water channel, making the contact area of cooling water large and the cooling effect very good.

Compared with other similar devices, our equipment has faster production speed, lower scrap rate and energy consumption, and better product quality.

Hollow sheet machine is fully automatic and customizable for the production of PP plastic hollow corrugated board for fruit and vegetable food packaging

Packaging made of plastic hollow sheets is widely used in the field of fruit and vegetable food. Compared with packaging boxes made of other materials, this type of packaging box has very unique properties, including:

Protecting fruits and vegetables: The hollow design of the hollow sheet provides excellent cushioning and compression resistance, reducing the impact of external pressure on fruits and vegetables. It can effectively protect fruits and vegetables from damage during transportation and storage.

Good breathability: The hollow design of the hollow sheet also gives it good breathability, which can maintain ventilation and air permeability inside the box, extend the shelf life of fruits and vegetables, and reduce the occurrence of decay and mold.

Environmental sustainability: The raw material of the hollow sheet is PP polypropylene, which can be recycled and reused, in line with the concept of green environmental protection. Therefore, choosing packaging boxes made of hollow sheet products to hold fruits and vegetables can not only reduce the generation of packaging waste, but also reduce environmental pollution.

Customized design: hollow sheets can meet the packaging needs of different fruits and vegetables through customized design. Suitable hollow sheet packaging can be customized based on the type, size, and weight of fruits and vegetables to improve packaging efficiency and protective performance.

Hollow sheet machine is fully automatic and customizable for the production of PP Plastic Hollow Corrugated sheet/Plate in Industrial Packaging

Hollow sheets is a kind of material with light weight, non-toxic, pollution-free, waterproof, shockproof, anti-aging, corrosion resistance and rich colors, which makes it widely used in the industrial field. Its specific applications are as follows:

Packaging and transportation: hollow sheets are often used in the packaging and transportation of industrial products. Their good cushioning and compression properties can effectively protect products from damage during transportation. In addition, the lightweight characteristics of hollow sheets also help reduce the weight of packaging and lower transportation costs.

Isolation and protection: hollow sheets can be used as isolation materials in industrial production processes to prevent mutual contact and damage between different items. Meanwhile, hollow sheets can also be used to protect important items such as mechanical equipment and components, reducing damage caused by collisions or friction.

Bottom support: The sturdy and durable characteristics of hollow sheets make them a commonly used bottom support material in the industrial field. hollow sheets can provide support, protection, and stability during the stacking and handling of goods, ensuring the safety and integrity of the goods.

Display and Advertising: hollow sheets are commonly used in exhibitions, product promotion events, and other occasions to construct display structures such as display stands and billboards. Its lightweight and easy to transport characteristics make it an ideal choice for display construction, and personalized advertising effects can be achieved through printing and other technologies.

Hollow sheet machine is fully automatic and customizable for the production of PP Plastic Hollow Corrugated sheet/Plate in Packaging of Glass Bottles

Hollow sheets have a wide range of applications in the field of glass products. They can not only be used for packaging glass products, but also for stacking and supporting glass products. At the same time, they can be used as display props to hold glass products. Its specific manifestations are as follows:

Packaging protection: Glass products are usually brittle and fragile, requiring good packaging protection to ensure they are not damaged during transportation. The lightweight and sturdy characteristics of hollow sheets make them an ideal packaging material for glass products, which can effectively buffer impact forces, prevent breakage and scratches, and protect the products from damage.

Stacking support: In the storage and transportation process, the stacking of glass products requires stable support to prevent product damage caused by excessive pressure. hollow sheets have good compressive performance and can be used as stacking support materials for glass products, ensuring that the products are not compressed during stacking and handling.

Display shelves and display boxes: In shopping malls, exhibitions, and other occasions, hollow sheets can be used to make display structures such as display shelves and display boxes, providing a platform for showcasing and displaying glass products. Through customized design and printing, hollow sheets can also achieve personalized display effects and attract consumers' attention.

Hollow sheet machine is fully automatic and customizable for the production of PP Plastic Hollow Corrugated sheet/Plate in Advertising Decoration and Advertising Printing

Hollow sheet is a lightweight and sturdy material that can be used to make various billboards for display in the advertising field. Its specific manifestations are as follows:

Billboard production: Hollow sheets have unique advantages in making billboards. Its lightweight and easy to transport characteristics make billboard production and replacement very convenient, and the hollow sheet has good flatness and surface smoothness, suitable for advertising printing, presenting bright colors, clear and vivid effects, attracting people's attention.

Exhibition display: Advertising display is an important part of attracting audiences in various exhibition activities. Hollow sheets can be used as exhibition backgrounds, props, display stands, and other display structures, providing diverse and personalized display effects for exhibitions, creating an atmosphere for activities, and attracting audience attention.

Event promotion: Hollow sheets also play an important role in temporary event promotion. For example, in roadshows, promotional activities, exhibitions, and other occasions, hollow sheets can be used to make promotional materials such as display boards, signage, and directional signs, which can effectively convey event information and enhance the promotional effect of the event.

Hollow sheet machine is fully automatic and customizable for the production of PP Plastic Hollow Corrugated sheet/Plate in Refrigerator and Washing Machine

The application of hollow sheets in refrigerators and washing machines is mainly divided into two aspects: product packaging and internal structure. The specific applications of these two aspects are as follows:

Product packaging: hollow sheets are an ideal packaging material in the production and manufacturing process of refrigerators and washing machines, which have the advantages of protecting products and reducing damage caused by accidents. In addition, hollow sheets can be customized according to the size and shape of the product, assembled around the product, and play a role in buffering, supporting, and fixing, ensuring the safety of the product during transportation.

Structural support: In the internal structural design of refrigerators and washing machines, hollow panels can serve as internal structural components such as partitions and isolation layers, helping to optimize product structure, increase product stability and durability, and improve product service life.

What adjustment work should be done before the operation of the pp hollow board extrusion line？

Before the operation of a PP (polypropylene) hollow board extrusion line, there are several important adjustments and checks that should be performed to ensure the smooth and efficient production of the boards. These include:

1. Raw material preparation:

   - Ensure the polypropylene pellets or granules are of the correct grade, color, and quality.

   - Properly dry the raw material to the recommended moisture content to prevent issues during extrusion.

   - Mix or blend the polypropylene with any necessary additives, such as colorants or stabilizers.

2. Extruder setup:

   - Adjust the extruder temperature zones to the optimal settings for the specific polypropylene material and board thickness.

   - Set the extruder screw speed and pressure to achieve the desired material flow and melt quality.

   - Inspect the extruder screw, barrel, and other components for wear and proper functioning.

3. Die adjustment:

   - Precisely adjust the die gap and land length to control the initial thickness and width of the extruded sheet.

   - Ensure the die is level and aligned with the other downstream components.

   - Check the die for any wear or deformation that could affect the sheet quality.

4. Cooling system setup:

   - Adjust the water temperature, flow rate, and nozzle positioning in the cooling tank to effectively solidify the extruded sheet.

   - Ensure the cooling system is free of any blockages or debris that could disrupt the cooling process.

5. Calibration system adjustment:

   - Fine-tune the roller speeds, positions, and tensions to maintain the desired thickness and flatness of the extruded sheet.

   - Verify the alignment and functionality of the calibration components.

6. Cutting and trimming setup:

   - Set the cutting blades or saws to the appropriate positions and speeds to obtain the desired board lengths.

   - Adjust the trimming mechanisms to cleanly remove the edges of the extruded sheet.

7. Safety and maintenance checks:

   - Inspect all guards, sensors, and emergency stop devices to ensure the safety of the operators.

   - Perform preventive maintenance on the various components, such as bearing lubrication and component cleaning.

By carefully adjusting and optimizing these various components, the PP hollow board extrusion line can be prepared for reliable and consistent production of high-quality PP hollow boards.

Common equipment failures and troubleshooting methods in the production process of pp hollow board extrusion line

In the production process of a PP (polypropylene) hollow board extrusion line, there are several common equipment failures that can occur, and troubleshooting methods to address them. Here are some of the most common issues and how to approach them:

1. Extruder issues:

   - Melt flow irregularities: Check the extruder temperature settings, screw speed, and barrel conditions.

   - Excessive extruder torque: Inspect the extruder screw and barrel for wear or blockages.

   - Fluctuating melt pressure: Verify the integrity of the extruder components and the die.

2. Die-related issues:

   - Uneven sheet thickness: Adjust the die gap and land length, check for die sagging or distortion.

   - Streaks or flow lines on the sheet: Clean the die and inspect for any contaminants or obstructions.

   - Die lip drooling: Ensure the die temperature is appropriate and check for any thermal hotspots.

3. Cooling system problems:

   - Incomplete sheet solidification: Adjust the water temperature, flow rate, and nozzle positioning in the cooling tank.

   - Warping or deformation of the sheet: Verify the cooling system's uniformity and efficiency.

   - Condensation or fogging issues: Check the cooling system for any leaks or blockages.

4. Calibration system malfunctions:

   - Uneven sheet thickness: Troubleshoot the roller speeds, positions, and tensions.

   - Sheet instability or waviness: Inspect the calibration system alignment and rollers for any wear or damage.

   - Sheet wrinkling or creasing: Optimize the roller settings and tension to minimize sheet deformation.

5. Cutting and trimming problems:

   - Inaccurate board lengths: Adjust the cutting blade or saw positions and speeds.

   - Rough or uneven board edges: Inspect the trimming mechanisms and ensure they are properly aligned.

   - Burrs or debris on the board edges: Clean the cutting and trimming tools and optimize the process parameters.

6. General production issues:

   - Inconsistent board quality: Perform a comprehensive review of the entire production line, including raw material, process parameters, and equipment conditions.

   - Frequent equipment breakdowns: Implement a preventive maintenance program, monitor component wear, and replace parts proactively.

   - Safety concerns: Ensure all guards, sensors, and emergency stop devices are functioning correctly, and provide proper training to operators.

Effective troubleshooting of these common equipment failures involves a systematic approach, including data collection, visual inspections, and methodical adjustments to the various components of the PP hollow board extrusion line. Maintaining a well-documented maintenance and troubleshooting protocol can help minimize downtime and ensure consistent, high-quality production.

FAQ 1: What is the main business of handern?

Wuhan Handern Machinery Co.,Ltd. is a research and development, design, and precision manufacturer of complete sets of engineering machinery technology equipment, including hollow plastic sheets, high-end fine membranes, and chemical fiber materials. It is also a high-end plastic product mold design and precision manufacturer.

Our main products include: hollow sheet production line, lithium battery separator stretching and casting line, special engineering plastic film production line, biaxially oriented film production line, photovoltaic film production line, fluorine-containing plastic film production line, graphene superconducting sheet production line, inorganic material vacuum extrusion molding sheet production line, etc.

FAQ 2:What types of pp hollow sheet extrusion line are available from handern?

The types of polypropylene hollow sheet extrusion production lines are:

Ordinary production line, high-speed production line, S-shaped hollow sheet production line, rice shaped production line, multi-layer co extruded hollow sheet production line, V-shaped hollow sheet production line