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Printing Machine Recycling Machine

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Our Ruian Mingfeng Machinery Co.,Ltd. is a professional manufacturer of film blowing machine, plastic bag making machine, printing machine and recycling machine etc.

Experienced Team

Established a group of highly skilled after-sales service teams,including experienced engineers and senior technicians. We also gain multiply national invention patents.

Excellent Product Quality

We are committed to providing high-quality machinery through advanced manufacturing technology and rigorous quality control processes, ensuring each product meets the highest standards. Our equipment is meticulously designed, offering outstanding performance and durability to meet customer demands for reliability and quality.

Reasonable Prices

At Ruian Mingfeng Machinery Co.,Ltd., we believe that high-quality machinery should not be synonymous with exorbitant prices. Through lean production and efficient management, we reduce production costs and pass these cost advantages directly to customers, ensuring our products are competitively priced in the market.

Outstanding Service

Customer satisfaction is paramount in our service philosophy. We have established a professional and efficient customer service team ready to answer inquiries, provide technical support, and ensure customers receive optimal support and experiences during the purchase, installation, and usage processes. We prioritize communication with our customers, offering not only products but also solutions to meet diverse needs.

Type of Printing Machine Recycling Machine

Printing Machine Any machine used for printing ink on a substrate (printing medium), which can be cloth, paper, or plastic, is referred to as printing machinery. By applying pressure to the substrate, the printing machinery transfers the ink onto the printing medium resting on an inked platform composed of movable type.

Advantages:

This product features an automatic color adjustment system to quickly and accurately correct color deviations, thereby making the printing effect closer to the original manuscript.
Equipped with a drying device, aimed at accelerating the drying speed of the ink to prevent it from transferring to other places.
Equipped with stainless steel heat dissipation fins to prevent overheating of the printing machine due to continuous printing.
The entire Roll To Roll Automatic Rotogravure Printing Machine (ASY-600A) is made of high-quality materials to achieve good operational stability and extend its service life.

Recycled Plastic Pellet Machine Plastic pelletizing is a system and technology in which plastic scraps are recycled back into a reusable raw material. The melt-filtrated strands are cooled briefly and cut into pellets. Plastic manufacturers or processors can then reuse it for a variety of applications.

Advantages:

This product is equipped with an automatic constant temperature system to ensure the manufacturing of plastic particles at the appropriate temperature.
Made of high-quality materials, it has excellent impact resistance, corrosion resistance, and bending resistance, resulting in a long service life.
The Recycled Plastic Pellet Machine does not produce any noise or severe vibration during operation, providing a quiet office environment.
This machine is equipped with a feeding device to save manpower. It also has the characteristics of stable performance and high product volume.

Polythene Bag Recycling Machine Granule machines are extruders used for recycling-reclaiming waste plastic to produce raw material. Our manufacturers produce granule extruders to be used for recycling Polythene Bag, polypropylene, and other types of polymers.

Advantages:

The roller of the polythene bag recycling machine adopts a vacuum degassing area, allowing it to handle a large amount of printing film waste. The process of material unpacking and material separation is completely closed, and each process is equipped with a dust collector, preventing dust leakage and reducing noise. The equipment is specially designed to separate the broken packaging bags from the materials, preventing the materials from being mixed into the waste bags or left in the separation device.

How Does Recycled Plastic Pellets Machine Recycled Plastic Pellets

Clean the materials

Since the raw material comes from discarded plastic products, it is inevitable that there will be residual pollutants, so the raw material needs to be cleaned before making recycled plastic pellets.

Plastic pellet mill granulation

The waste plastic is crushed by a crusher and sent to the feeder by an automatic hoist and then feeder feeds the material into the plastic pellets making machine. After entering the plastic pellet mill, the material is mixed and re-plasticized under the action of compression and external heating of the screw. With the increasing of temperature and pressure, it presents a viscous flow state and is pushed to the head part by certain pressure. Finally, the plasticizer is cut into pellets by a cutter.

Plastic Garbage Trash Bag Making Machine

Blown PE Film Extrusion Production Lines

Crushing raw materials

Clean plastic raw materials need to be crushed by crusher to meet the processing standard of plastic pellets making machine.

Plastic pellets cooling and packaging

As the temperature of the formed recycled plastic pellets by the plastic pellets making machine is still very high, it needs to be cooled through the cooling system. After cooling to normal temperature, it can be packaged with the packaging machine.

Applications for Recycled Plastic Extrusion Machine

1. Pipes and Tubing

Plastic extrusion is widely used in the production of pipes and tubing for applications such as plumbing, irrigation, electrical conduit, drainage systems, and automotive fuel lines. Different types of plastics, including PVC, HDPE, and PEX, can be extruded to create pipes of various sizes and specifications.

2. Profiles and Channels

Extruded plastic profiles find applications in industries like construction, automotive, furniture, and appliances. These profiles are used for window and door frames, trim, weatherstripping, gaskets, decorative moldings, and structural components.
Packaging Materials: Plastic extrusion is employed in the manufacturing of flexible packaging materials such as plastic films and sheets. These materials can be further processed into bags, pouches, laminates, and shrink wraps used in food packaging, pharmaceuticals, consumer goods, and industrial packaging.

3. Wire and Cable Insulation

Extrusion is used to produce plastic coatings and insulations for wires and cables. The process allows for precise control of thickness and good uniformity, ensuring electrical insulation and protection for various applications, including power distribution, telecommunications, and automotive wiring.

4. Filaments and Fibers

Plastic extrusion is used to produce filaments and fibers used in 3D printing, textiles, and reinforcement materials. Materials like PLA, ABS, nylon, and PET can be extruded into fine filaments with precise diameters for additive manufacturing and textile applications.

5. Sheet and Film Products

Plastic extrusion is employed to manufacture plastic sheets and films used in applications such as packaging, construction, signage, and automotive interiors. These sheets can be further processed into trays, containers, displays, roofing membranes, and automotive dashboards.

Recycled Plastic Extrusion Machine Components

Feed Throat The feed throat or feed opening is the area that accepts the plastic pellets to be heated. The size of the opening and the location of the feed throat on the barrel can affect the types of plastic that can be fed into the extruder.

Motor The motor size and whether it is AC or DC will affect the potential output of the machine as well as the control drive system

Gearbox This is a series of cogs use to reduce the speed of the screw from the speed of the motor.

Controls Extruders are simple machines, but their control systems can be either simple or complex. Many times the entire line can be run from the one control panel.

Screw Screws can either be product specific or general purpose. The screw is responsible for the heating the plastic through frictional heat.

Barrel The barrel houses the screw and is what the screw pushes against for the frictional heat.
Heater Bands
Contrary to what many people think, the heater bands are used to heat the barrel an screw during start up and to help regulate temperature during processing. The frictional heat is what causes the plastic to melt.

Vent Certain products can build up gas during the heating process. The vent is used as a way to allow these gases to escape.

Common Methods to print on plastic with Plastic Printing Machine

Digital InkJet printing

Digital InkJet printing is a process utilizing inkjet technology to print high-quality images onto plastic surfaces. This printing technology uses a digital file containing the image or text to be printed, which is processed by a printer that uses inkjet nozzles to deposit ink onto the plastic substrate.
The process of Digital InkJet printing involves the following steps:

Preparing the digital file containing the image or text to be printed. This file is created using computer software and is saved in a format that is compatible with the InkJet printer.
Printing the image: The inkjet nozzles in the printer head are activated, and droplets of ink are ejected onto the plastic substrate to create the image or text. The ink droplets are deposited onto the substrate in a precise pattern that corresponds to the digital file.
Drying the ink: The ink is dried using a combination of heat and airflow, which ensures that the printed image is smudge-proof and water-resistant.

Screen Printing

Screen plastic printing is a printing process that involves transferring ink through a stencil or mesh screen onto a plastic substrate.
How does it work?

Preparing the artwork or design that will be printed.
Creating the stencil: Once the artwork is ready, a stencil is created by either exposing a photosensitive emulsion-coated screen to the design or by cutting the design out of a vinyl sheet. The stencil is then attached to a frame to create the screen.
Preparing the ink: The ink used for screen printing is typically a specialized ink that is designed to adhere to plastic substrates. The ink is mixed with a catalyst or hardener to ensure that it dries quickly and adheres to the plastic surface.
Printing the image: The screen is placed on top of the plastic substrate, and ink is applied to the top of the screen. A squeegee is then used to pull the ink through the stencil and onto the plastic substrate. The ink is then dried using a combination of heat and air.

Flexo Printing

Flexo printing is a direct printing process in which printing is carried out with flexible print forms (printing plates) made of photopolymer.

Prepress preparation: The printing plate is made by creating a relief image on a flexible material such as rubber or photopolymer.
Ink preparation: The ink used in flexo printing is specialized to adhere well to plastic substrates and is mixed with a solvent or water-based carrier to create a liquid ink that can be applied to the printing plate.
Flexo printing: The plastic substrate is fed through the flexo printing press, which consists of several printing stations. Each station has a printing plate cylinder, an ink fountain, and an impression cylinder. As the substrate passes through each station, ink is transferred from the plate cylinder to the substrate, creating the desired image or text.
Drying and finishing: The printed plastic substrate is passed through a drying chamber to evaporate the solvents from the ink. After drying, the substrate is cut to size and finished according to the requirements, such as laminating, embossing, or die cutting.

Uv Litho Printing

UV Lithography, also known as UV offset printing, is a digital printing method that uses ultraviolet light to cure or dry ink, coatings, adhesives, aluminum, foam, or acrylic.
How does it work?

Pre-press preparation, including designing the artwork and preparing files for printing.
Application of photosensitive coating to an aluminum printing plate.
Exposure of the plate to UV light to create a relief surface.
Preparation of UV litho ink by mixing pigments, binders, and additives.
Loading of the ink onto the printing press.
Application of ink to the plate using rollers.
Transfer of ink from the plate to the plastic substrate as it passes through the press
Instant curing of ink by UV light, creating a durable and long-lasting image.
Inspection of the substrate for quality, and finishing touches, such as varnishing, laminating, or die-cutting, are added as needed.

Products Description

Screw
Screw is the main factor affecting the productivity of extruder. The performance of the screw determines the productivity, plasticizing quality, dispersion of additives, melt temperature, power consumption of an extruder. It is the most important part of extruder, which can directly affect the application scope and production efficiency of extruder. The rotation of the screw produces extreme pressure on the plastic, so that the plastic can move, pressurize and obtain part of the heat from friction in the barrel. The plastic can be mixed and plasticized in the moving process of the barrel. When the viscous melt is extruded and flows through the die, it can obtain the required shape and form.

Screw Speed
Screw speed not only affects the extrusion speed and amount of material, but also makes the extruder achieve high output and good plasticizing effect. In the past, the main way to increase the output of extruder was to increase the diameter of screw. Although the material extruded per unit time will increase with the increase of screw diameter. However, in addition to extruding materials, the screw also extrudes, stirs and shears the plastic to plasticize it. On the premise of constant screw speed, the mixing and shearing effect of the screw with large diameter and large screw groove is not as good as that of the screw with small diameter. Therefore, modern extruders mainly improve production capacity and product quality by increasing screw speed.
If the screw diameter is unchanged and the screw speed is increased, the torque borne by the screw will increase. When the torque reaches a certain degree, the screw is in danger of being twisted and broken. However, by improving the material and production process of the screw, reasonably designing the screw structure, shortening the length of the feeding section, increasing the flow rate of the material and reducing the extrusion resistance, the torque can be reduced and the bearing capacity of the screw can be improved.

Barrel Structure
The improvement of the barrel structure is mainly to improve the temperature control of the feeding section. Whether the temperature of the water jacket through the barrel is reasonable is very important for the stable work of the extruder and efficient extrusion. If the temperature of the water jacket is too high, the raw material will soften prematurely, and even the surface of the raw material particles will melt, which will weaken the friction between the raw material and the inner wall of the barrel, thus reducing the extrusion thrust and extrusion volume. However, the temperature should not be too low. The barrel with too low temperature will make the screw rotation resistance too large, which will cause difficulty in starting the motor or instability of speed when exceeding the bearing capacity of the motor. Advanced sensor and control technology are used to monitor and control the water jacket of the extruder, so as to automatically control the temperature within the range of the best process parameters.

Reducer
On the premise of basically the same structure, the manufacturing cost of the reducer is roughly proportional to its overall size and weight. The large shape and weight of the reducer means that more materials are consumed in manufacturing, and the bearings used are also relatively large, which increases the manufacturing cost.
For extruders with the same screw diameter, high-speed and efficient extruders consume more energy than conventional extruders, double the motor power, and correspondingly increase the base of the reducer. But high screw speed means low reduction ratio. For the reducer of the same size, compared with the reducer with large reduction ratio, the gear module increases and the capacity of the reducer to bear load also increases.

Motor Drive
Extruders with the same screw diameter, high-speed and efficient extruders consume more energy than conventional extruders, and the motor power also needs to be increased. During the normal use of the extruder, the motor drive system and heating and cooling system are always working. The energy consumption of transmission parts such as motor and reducer accounts for 77% of the energy consumption of the whole machine; Heating and cooling account for 22.8% of the input energy consumption of the whole machine; Instrument electrical accounts for 0.8%.
The extruder with the same screw diameter is equipped with a larger motor, which seems to consume electricity, but if calculated by output, the high-speed and efficient extruder is more energy-saving than the conventional extruder. If the power consumption of heaters, fans and other devices on the extruder is also considered, the difference in energy consumption is also greater. Extruders with large screw diameters should be equipped with larger heaters, and the heat dissipation area will also increase. Therefore, for the two extruders with the same capacity, the new extruder with high conversion efficiency has a smaller barrel, the heater consumes less energy than the traditional large screw extruder, and saves a lot of electricity in heating.
In terms of heater power, the power consumption of the extruder heater is mainly in the preheating stage. During normal production, the heat of material melting is mainly converted by consuming the electric energy of the motor. The conductivity of the heater is very low and the power consumption is not large.

Shock Absorption Measures
High torque extruders are prone to vibration. Excessive vibration is very harmful to the normal use of the equipment and the service life of the parts. Therefore, multiple measures must be taken to reduce the vibration of the extruder and improve the service life of the equipment.
The motor shaft and the high-speed shaft of the reducer are the most susceptible parts of the extruder to vibration. First of all, the high rotation extruder should be equipped with high-quality motor and reducer to avoid becoming the vibration source due to the vibration of motor rotor and reducer high-speed shaft. Secondly, we should design a good transmission system. Pay attention to improving the rigidity, weight and quality of processing and assembly of the frame, which is also an important link to reduce the vibration of the extruder. A good extruder does not need to be fixed with anchor bolts when in use, and there is basically no vibration. This depends on the sufficient rigidity and self weight of the frame. In addition, we should strengthen the quality control of the processing and assembly of various components.

Instruments
The production operation of extrusion can only be reflected by instruments. Therefore, precise, intelligent and easy to operate instruments and meters will make us better understand their internal conditions, so that production can achieve better and faster results.

Biodegradable Bags Manufacturing Machines

How to maintain Plastic Extruder

The plastic extruder equipment should be placed in a ventilated position to ensure the heat dissipation of the motor and extend its life; the machine should be well grounded.
Regularly check the tool screws. After using the new machine for 1 hour, use tools to tighten the movable knife, the fixed knife screw, and the fixation between the tool holder: the bearing should be regularly filled with lubricant to ensure the lubricity between the bearings; In order to ensure the sharpness of the cutting tool, the tool should be checked frequently to ensure its sharpness and reduce unnecessary damage to other parts caused by the blunt blade; regularly check whether the belt is loose and adjust it in time.
Restart the strengthening blade before starting the second time, remove the remaining scraps in the machine room to reduce the starting resistance, open the inertia set and the pulley set regularly, and clear the ash outlet under the flange, which is discharged from the crusher chamber The powder enters the shaft bearing.
When replacing parts and changing tools, the gap between the movable knife and the fixed knife: 0.8MM for crushers above 20HP is better, and 0.5MM for crushers below 20HP is better. The thinner the recycled material, the larger the gap.

Difference Between Rotogravure Printing Machine And Flexo Printing Machine

Different Principles
Rotogravure Printing Machine: Gravure printing is a direct printing method, it will gravure pit containing ink directly imprint onto the substrate, the shade level of the printed picture is determined by the size and depth of the pit, if the pit is deeper, it contains more ink, imprint imprint substrate left on the ink layer is thicker; On the contrary, if the pit is shallow, the amount of ink is less, imprint substrate left on the ink layer is thinner.
Flexography Printing Machine: The principle of flexo printing is relatively simple. In flexo printing, the ink feeding device of the press distributes the ink evenly, and then transfers the ink to the printing plate through the ink roller. Since the pattern design part of the printing plate is much higher than the non-graphic part of the printing plate, the ink on the ink roller can only transfer to the graphic part of the printing plate, and the non-graphic part has no ink.Different Characteristics and Advantages
Flexographic Printing: Ink expressive force of about 90%, rich tone. Strong color reproduction. Strong layout tolerance. The printing is huge. Wide range of paper applications, other than paper materials can also be printed. Both water-based ink and solvent – based ink are suitable for flexographic printing presses. Products printed with water-based ink can reach food grade.
Gravure Printing: Anti-counterfeiting mark can be printed. Gravure printing carries ink in pits made according to the text of the original manuscript. The thickness of lines and the shade of ink can be controlled at will during engraving, which is not easy to be imitated or forged, especially the depth of ink pits.
Therefore, banknotes, stamps, stocks and other securities are generally printed with gravure, which has a better anti-counterfeiting effect. At present, some enterprises have consciously adopted gravure printing for trademarks and even packaging decoration, indicating that gravure printing is a more vigorous anti-counterfeiting printing method.
General flexible packaging materials can be used as gravure printing and flexographic printing substrate. Such as plastic, paper, aluminum foil and so on. In comparison, intaglio is more suitable for printing film, aluminum foil, flexographic printing is more suitable for non-woven fabric, paper and other printing.
Gravure printing has a large amount of ink, high printing quality, convex graphics, rich layers, clear lines and high quality. Books, magazines, magazines, packaging and decoration are mostly printed in gravure.
However, for mass printing, gravure printing has a long plate-making cycle, wasteful efficiency and high cost. But the plate is durable, so it is suitable for printing in large quantities. The larger the batch, the higher the benefit, for smaller batch printing, the lower the benefit. So intaglio method is not suitable for small batch of trademark printing.

Different Application Scope
Rotogravure Printing: Gravure printing is mainly used in magazines, product catalogs and other fine publications, packaging printing and banknotes, stamps and other securities printing, but also used in decorative materials and other special fields; In China, gravure printing is mainly used for flexible packaging printing, with the development of domestic gravure printing technology, has been widely used in paper packaging, wood grain decoration, leather materials, drug packaging.
Flexo Printing: Engraving gravure printing, because of its fine lines and difficulty in counterfeiting, is used in the printing of securities such as banknotes, stocks, gift certificates, stamps and commercial credit certificates or stationery, etc. Due to its plate printing and other costs are higher, so the general print, very few adopters.

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Frequently Asked Questions

Q: What machine is used to print on plastic?

A: A Flexographic printer uses a flexible rubber plate to transfer ink onto the plastic for medium-size production runs due to its good balance of speed and quality. Thermal transfer printers use heat to transfer ink onto the plastic surface for small-scale production runs due to their good print quality.

Q: What is the best printing method for plastic?

A: UV Litho printing has a wide range of applications, including printing on packaging, labels, and other plastic products. It is commonly used in the cosmetic, pharmaceutical, and food industries, where high-quality images and durability are essential.

Q: Can you print on plastic with a regular printer?

A: You should always use an inkjet printer to print on a plastic sheet. Laser printers might burn your sheet, as they use heat to transfer prints.

Q: What machine turns plastic into pellets?

A: The plastic pelletizing machine is suitable for most common waste plastics range from PP, PE, PS, ABS, PA, PVC, PC, POM, EVA, LCP, PET, PMMA and other plastic regeneration and color mixing granulation.

Q: How does plastic pelletizing machine work?

A: The strand pelletizer cuts molten plastic strands into pellets, while the underwater pelletizer submerges the plastic melt into water to cool and solidify the pellets. The water ring pelletizer cools and solidifies the plastic melt in a ring of water before cutting it into pellets.

Q: How do you turn plastic waste into pellets?

A: Extrusion is the process of melting down the plastic and forcing this through an extruder. The plastic is cut as it comes out of the extruder to form pellets.

Q: Are plastic pellets reusable?

A: The plastic poly pellets can be reused but only use them in the same grit stage that you used then in before. Grit gets embedded in the plastic and can never be fully removed. You can use them in all stages.

Q: Is plastic extrusion expensive?

A: The extrusion process itself is relatively efficient and cost-effective compared to other manufacturing methods such as injection molding.

Q: What is the purpose of the extrusion machine?

A: Extrusion machines force or pull unformed material into alignment guides and shaped dies to produce lengths of stock forms and cross-sectional shapes. They are used mainly in the plastics, metals, and composite-forming industries.

Q: How does the heating system in a plastic extrusion machine contribute to its efficiency?

A: The heating system, often using high-frequency ceramic electric heating, ensures efficient and uniform melting of the plastic material, contributing to the overall efficiency of the extrusion process.

Q: Are plastic extrusion machines customizable for different production needs?

A: Yes, plastic extrusion machines come in various models with different specifications, allowing for customization based on production requirements. Output capacity, die shapes, and material compatibility are among the customizable features.

Q: What materials can be used in a plastic extrusion machine?

A: A plastic extrusion machine can work with a variety of plastic materials, including polyethylene, polypropylene, PVC, ABS, and more, depending on the specific

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