Product Descriptions
Plastic & Rubber Manufacturing: Critical Processes
Plastic and rubber part manufacturing includes the most common processes in the industry, namely thermoforming-injection molding, extrusion, and compression. The molds used in these processes become contaminated over time, especially after a high number of production cycles, due to deposits such as dirt, burn residues, mold release agents, and rubber remnants. These contaminants negatively affect part quality and shorten the service life of production equipment.
In this context, FISA provides advanced maintenance and cleaning solutions for injection, extrusion, and compression molds used in the plastic and rubber industries. These solutions are designed to optimize process efficiency and quality standards.
FISA Ultrasonic Cleaning Technology - Basic Operating Principle
What Is Ultrasonic Cleaning?
Ultrasonic cleaning is performed by immersing the parts to be cleaned in a special tank containing a liquid detergent solution and exposing them to high-frequency ultrasonic waves. These ultrasonic waves generate cavitation within the liquid, creating microscopic bubbles that implode. When these bubbles come into contact with the surface of the part, energy is released and contaminants are mechanically removed. This process provides both non-abrasive and highly penetrative cleaning.
This cleaning method safely removes even stubborn contaminants such as oil residues, resin deposits, rubber remnants, and metal oxide layers located in the micro-details of molds, without damaging the mold itself. Cleaning without harming the microstructure improves part surface quality and enhances production repeatability.
Cleaning Requirements Specific to Plastic & Rubber Processes
Injection Molds
In injection molding, molds are used as thermoplastic and thermoset polymers are forced at high temperature to fill the mold cavity. During continuous production cycles, the following residues accumulate:
mold release agent residues,
burnt polymer deposits,
surfactant residues caused by air circulation.
These residues lead to surface defects, scratches, and high rejection rates. FISA ultrasonic cleaning systems clean even the most inaccessible areas of injection molds, increasing mold lifetime and optimizing production cycle times.
Extrusion Dies and Calibration Tools
In the extrusion process, plastic or rubber is continuously forced through a die under heat and pressure. During this process:
polymer oils,
friction residues,
thermal degradation by-products
accumulate in critical areas of the production line.
FISA solutions deeply clean die and mold surfaces in extrusion lines, resulting in more stable material flow, tighter dimensional tolerances, and reduced downtime.
Compression Molds
During the processing of rubber and thermoset materials in compression molds, residual rubber deposits left in the mold reduce product quality. FISA ultrasonic systems effectively remove difficult-to-dissolve rubber resin particles, making consistent re-production possible.
FISA Ultrasonic Machine Types and Features
Standard Ultrasonic Mold Cleaning Systems
FISA's standard machines are suitable for a wide range of production environments, with different tank volumes and frequency options:
CR200: 65-liter capacity, compact design, ideal for molds and small parts.
LRD/P140: 140-liter tank capacity for medium-sized mold cleaning.
VST Series: Tank volumes ranging from 150 to 2,000 liters, designed for large molds and heavy production components.
These machines perform cleaning, rinsing, and passivation/maintenance processes within a single integrated line.
Automation and Robotic Integration
FISA can integrate ultrasonic cleaning lines with moving baskets, automatic loading and unloading systems, and robotic solutions. These integrated lines significantly increase capacity and operator efficiency, especially in high-volume production facilities.
MCU (Machine Controller Unit) and Process Control
Some systems are equipped with advanced MMI/MCU control interfaces, enabling operators to manage:
cleaning recipe management,
process parameter monitoring,
production data tracking,
remote maintenance.
These features support smart manufacturing environments.
Technical Advantages and Industrial Benefits
Non-Abrasive Cleaning for Mold Protection
Ultrasonic cleaning removes contaminants at a microscopic level without damaging surfaces. This preserves mechanical tolerances and sensitive surface structures of molds over extended periods.
Improved Production Quality
Cleaner molds directly enhance part surface quality, reduce the need for rework, and minimize production defects.
Reduced Downtime and Lower Costs
Mold maintenance cycles are accelerated; cleaning operations that normally take hours can be completed in minutes, allowing production to continue with significantly shorter downtime.
Extended Service Life
Regular maintenance and cleaning programs for molds and production equipment extend their planned service life and reduce overall equipment expenditure.
Application Examples: Plastic & Rubber Industry
Injection-Molded Plastic Parts
In the production of precision injection-molded parts such as consumer products, automotive interior and exterior components, and medical devices, cleaning mold cavities and surfaces ensures consistently high-quality output.
PVC / PE / PP Extrusion Profiles
By cleaning dies and calibration tools in extrusion lines, dimensional accuracy and surface quality are significantly improved.
Rubber Products (Tires, Technical Rubber Components)
Removing residues from rubber molds increases operational reliability and ensures continuous, stable production.
Conclusion: Added Value in Industrial Production with FISA
The solutions offered by FISA for the plastic and rubber manufacturing industries place cleaning and maintenance processes on a technological, reliable, and production-oriented foundation. Ultrasonic cleaning machines and robotic systems deliver key benefits such as reduced downtime, longer mold life, higher part quality, and seamless automation integration.
This approach enables productivity gains and effective control of production costs in critical processes such as injection molding, extrusion, and compression.
