Rubber processing machine
Lab Plastic PVC Calender Stretch Film Casting Machine for Film Testing
Item Number
: RPM-02
Price varies based on specs and customizations
Screw diameter
25mm(or customized)
L:D(Ratio of length to diameter)
33:1(or customized)
Screw speed
0-95rpm(Frequency conversion speed regulation)
Motor power
4KW(or customized)
Die lip width
300mm(or customized)
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Introduction
The cast film machine is designed for the molding of cast film products of polymer materials. It has multiple processing functions such as casting, extrusion, stretching, and compounding, and realizes program-controlled integrated linkage through the PLC system to ensure precise process. Product features include cast film molding of various polymer materials, high-precision guide rails of hidden calender units, and imported melt metering pumps and pressure sensors. Its application range covers cast product research and development, formula optimization, quality control, process parameter optimization, and teaching and scientific research.
Detail & Parts
The Single layer cast film machine ：Focusing on the industry research of polymer material cast film product molding, sheet extrusion molding, material performance testing, process optimization, product quality testing, etc. It can complete molding and processing tests such as extrusion, casting, stretching, and compounding;
Multi-layer co extrusion casting film machine
After multiple polymer melts are collected through the co-extrusion die, they become a film melt flow composed of multiple layers of different polymer melts, and after cooling, a multi-layer co-extruded film or sheet is obtained;
The integrated linkage of PLC system program control to complete extrusion, melt metering, melt pressure monitoring, casting, calendering, winding or cutting and other processes.
The imported melt metering pump is equipped with a pressure sensor to monitor the melt pressure, ensuring that the melt flow rate is always consistent.
Double layer (AB);Three layer(ABA);Three layer(ABC);Five layer(ABCBA)
Application
Film forming simulation: Through calendering or stretching process, the film forming process in actual production is simulated to ensure that the film prepared in the laboratory has similar structure and performance to the film in industrial production.
Performance testing: The prepared film can be used for various performance tests, such as tensile strength, elongation at break, heat shrinkage, light transmittance, haze, etc., to evaluate the quality and applicability of the film.
Formulation optimization: By adjusting the raw material formula and process parameters, the laboratory calender/stretch cast film machine can help researchers optimize the film formula to achieve specific performance requirements.
New material development: For the development of new materials, this equipment can be used to quickly evaluate the forming performance and potential applications of new materials, and accelerate the transformation process of new materials from laboratory to industrial production.
Quality control: During the production process, laboratory equipment can be used for sampling and testing to ensure that the quality of each batch of film meets the standards and reduce the defective rate.
Features
Versatility: supports cast film forming and laminating processes of various polymer materials to meet the processing requirements of different materials.
PLC system program control linkage: through the advanced PLC system, the integrated control of extrusion, casting, calendering and winding processes is realized to improve production efficiency and operation convenience.
Hidden calendering unit: adopts high-precision guide rails to ensure smooth operation, and at the same time facilitates the disassembly and cleaning of the mold to reduce maintenance time.
Multi-layer co-extrusion technology: multiple polymer melts are collected through the co-extrusion die to form a film melt flow composed of multiple layers of different polymer melts, and after cooling, a multi-layer co-extruded film or sheet is obtained.
Precision control: equipped with imported melt metering pumps and pressure sensors, real-time monitoring of melt pressure, ensuring the consistency of melt flow, thereby ensuring product quality.
Technical specifications
Model No.
RPM-02A
RPM-02B
Name
Single layer
Three layers
Screw diameter
25mm(or customized)
L：D（Ratio of length to diameter）
33:1(or customized)
Screw speed
0-95rpm(Frequency conversion speed regulation)
Motor power
4KW(or customized)
Die lip width
300mm(or customized)
Optional configuration
3CC melt pump or customized、Manual or hydraulic screen changer、Pressure sensor、Pressure sensor、Unwinding device
calendering part
160x350mmx2or customized
Installation method of calender roller
Vertical or parallel
Winding device
Friction winding
(W*D*H) Volume
2800*800*1650mm
3500*1600*2200mm
Weight(kg)
≈750kg
≈1.2T
Power Supply
3∮，AC380V
Trusted by Industry Leaders
FAQ
What Is A Casting Film Machine, And How Does It Work?
A casting film machine is a type of equipment used to produce thin plastic films by the casting method. The process involves extruding a polymer melt through a die onto a chill roll (also known as a casting drum), where it cools and solidifies into a film. The film is then wound onto a roll for further processing or use.
What Are The Primary Applications Of Casting Film Machines?
The primary applications of casting film machines include: Packaging Films: Producing high-quality, transparent, and sealable films for food packaging, medical packaging, and industrial applications. Industrial Films: Manufacturing films for agricultural mulch, construction sheeting, and protective coverings. Specialty Films: Creating films with specific properties, such as high barrier, anti-fog, or anti-static characteristics.
What Are The Advantages Of Using A Casting Film Machine Over Other Film Production Methods?
The advantages of using a casting film machine over other film production methods include: High Quality Films: Casting produces films with excellent optical clarity, uniformity, and surface smoothness. Wide Range of Materials: Suitable for a wide range of polymers, including polyethylene (PE), polypropylene (PP), and polyesters (PET). Energy Efficiency: The casting process is generally more energy-efficient compared to blown film extrusion. Flexibility: Allows for the production of thin films and the incorporation of additives for specific properties.
What Are The Key Parameters To Consider When Operating A Casting Film Machine?
Key parameters to consider when operating a casting film machine include: Extrusion Temperature: Controlling the temperature profile of the extruder to ensure proper melting and flow of the polymer. Die Gap and Alignment: Adjusting the die gap and ensuring proper alignment to achieve uniform film thickness. Chill Roll Temperature: Maintaining the temperature of the chill roll to facilitate rapid and uniform cooling of the film. Take-Up Tension: Controlling the tension during winding to prevent stretching or wrinkling of the film. Additive Incorporation: Precisely dosing and dispersing additives, such as slip agents or anti-block agents, into the polymer melt.
How Does A Casting Film Machine Ensure Uniform Film Thickness And Quality?
A casting film machine ensures uniform film thickness and quality through several mechanisms: Precision Dies: Using precision-engineered dies with adjustable gaps to control the thickness of the extruded film. Feedback Control Systems: Implementing feedback control systems to monitor and adjust the film thickness in real-time. Uniform Cooling: Ensuring uniform and rapid cooling on the chill roll to solidify the film without distortion. Quality Control Measures: Conducting regular inspections and quality control checks throughout the production process to detect and correct any deviations.
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Product Datasheet
Lab Plastic PVC Calender Stretch Film Casting Machine for Film Testing
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Category Catalog
Rubber Processing Machine
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