WATER CHANNEL CLEANING UNIT
WATER CHANNEL CLEANING UNIT
Our heavy-duty Water Channel Cleaning Units – MDM Series – deliver essential maintenance for mold cooling systems and ensure optimal mold performance. Engineered for reliability and ease of use, these units thoroughly flush and clean internal water channels to prevent blockages, corrosion, and scale buildup, reducing downtime and maintaining consistent thermal control. With robust construction, automated cleaning cycles, and safety-focused design, the MDM Series helps protect your molds, equipment, and operators.
TECHNICAL OVERVIEW
The MDM Series is engineered to restore and maintain the internal cooling performance of injection molds, die‑casting molds, and tooling systems by thoroughly flushing and cleaning internal water channels. Over time, cooling circuits accumulate scale, corrosion, sludge, and mineral deposits that restrict flow and reduce heat‑transfer efficiency. The MDM Series removes these blockages through controlled flushing cycles, restoring proper coolant flow and stabilizing mold temperature. This leads to shorter cycle times, improved part quality, and reduced unplanned downtime. Built for heavy‑duty industrial use, the unit provides reliable, repeatable cleaning performance that protects molds and extends their service life.
Manual flushing often fails to remove deep‑seated scale or corrosion inside complex cooling circuits, especially in molds with long, narrow, or conformal cooling channels. The MDM Series automates the cleaning process with controlled flow, pressure, and circulation, ensuring that contaminants are fully dislodged and flushed out. Automated cleaning reduces labor, eliminates guesswork, and ensures consistent results across all molds. It also prevents overheating issues caused by restricted coolant flow — a common cause of longer cycle times, warpage, and inconsistent part dimensions. For facilities that rely on stable thermal control, a dedicated cleaning unit provides a measurable improvement in mold performance and production efficiency.
The MDM Series is built for reliability, ease of use, and long‑term mold protection. Its automated cleaning cycles remove scale, corrosion, and debris without requiring chemical‑intensive processes. The unit’s heavy‑duty construction withstands continuous industrial operation, while its safety‑focused design protects both operators and equipment. By maintaining clean cooling channels, the MDM Series helps ensure consistent thermal control, reduces scrap rates, and minimizes mold‑related downtime. Its robust performance makes it an essential tool for mold shops, injection‑molding facilities, die‑casting plants, and any operation that depends on precise cooling performance.
VIDEO OVERVIEW
See What This Unit Has to Offer.
The MDM Series Water Channel Cleaning Units are built with heavy-duty industrial construction and engineered for maximum performance and reliability. Designed with operator safety, ease of setup, and production efficiency in mind, these systems deliver advanced cleaning capability with measurable ROI. Available in multiple sizes and configurations to match your mold and die requirements.
WHY YOUR COMPANY NEEDS THIS MACHINE - PROBLEMS WITH MOLD PIPELINES
Internal Deposits and Contamination Reduce Cooling Efficiency and Production Stability
During production, mold pipelines circulate cooling media such as water or processing fluids to control mold temperature. Over time, repeated heating and cooling cycles cause mineral scale buildup, corrosion deposits, rust formation, and biological contamination including bacteria and algae growth inside cooling channels.
These contaminants restrict internal pipeline diameter and reduce heat exchange efficiency. As cooling performance declines, manufacturers may experience unstable mold temperatures, increased defect rates, longer cycle times, and higher overall production costs.
Industry research indicates that even small levels of scale buildup inside cooling pipelines can significantly reduce heat exchange performance. Maintaining clean cooling channels is essential to preserving mold efficiency, maintaining product quality, and minimizing production downtime.
WHAT IS THE IMPACT OF CLOGGED WATER CHANNELS ON PRODUCTION & EFFICIENCY?
Cooling Channel Contamination Reduces Product Quality, Slows Cycle Times, and Increases Manufacturing Costs
Defective Products:
The surface temperature of the mold cavity is not uniform, resulting
in large shrinkage and warping deformation of the product.
Lower Efficiency:
Reduced heat exchange efficiency increases cooling cycle duration and slows overall production throughput, reducing manufacturing efficiency.
Higher Costs:
Increased costs and longer production cycle times lead to higher
overall production costs for the enterprise.
Industry research indicates that even small levels of scale buildup inside cooling pipelines can significantly reduce heat exchange performance. Maintaining clean cooling channels is essential to preserving mold efficiency, maintaining product quality, and minimizing production downtime.
HOW TO RESTORE COOLING FLOW AND IMPROVE PRODUCTION EFFICIENCY IN MACHINERY?
Increase Heat Exchange Performance and Reduce Cycle Times
Scale buildup, rust, and biological contamination inside mold cooling channels restrict coolant flow and reduce heat exchange efficiency. Even minor buildup inside cooling pipelines can significantly increase mold surface temperatures, resulting in longer cooling times, unstable product quality, and higher defect rates.
The MDM Series restores internal channel diameter and cooling flow by removing contamination from mold cooling circuits. Improved coolant circulation stabilizes mold temperature and enhances heat transfer efficiency, allowing manufacturers to shorten cooling cycles and improve overall production throughput. In documented customer cases, improved flow performance has resulted in measurable cycle time reductions and increased hourly production output.
By restoring cooling performance, the MDM Series helps manufacturers maintain consistent part quality while maximizing production efficiency and reducing energy consumption.
CAN THIS MACHINE CLEAN MORE THAN JUST MOLDS?
Yes. this Machine is Both Versatile and Multi FunctionalÂ
The MDM Series is engineered to do far more than standard mold and die cooling channel cleaning. Designed for maximum versatility and performance, this advanced cleaning system features two independent port sizes to handle a wide range of industrial applications.
The smaller ports are optimized specifically for precision cleaning of mold and die cooling circuits, restoring proper flow, improving heat transfer efficiency, and reducing cycle times. The larger ports expand the machine’s capability beyond tooling, allowing operators to effectively clean heat exchangers, temperature control units (TCUs), water chillers, dehumidifiers, dryers, and other process equipment with internal cooling lines.
Over time, scale, rust, algae, and mineral buildup restrict flow and reduce system efficiency. The MDM Series helps eliminate these blockages, extending equipment life, stabilizing production quality, and lowering energy costs.
With its dual-port flexibility and heavy-duty industrial design, the MDM Series is a complete solution for maintaining optimal cooling performance across your entire facility.
HOW DOES CAVITATION PULSE TECHNOLOGY WORK TO CLEAN WATER CHANNELS?
Simple Yet Powerful Bi-Directional Flushing for Complete Channel Cleaning Coverage
The MetalPress MDM Series uses advanced cavitation pulse cleaning technology to remove scale, rust, carbon buildup, biological contamination, and debris from internal mold cooling channels. The system combines high-pressure air and high-pressure water and releases the mixture in controlled pulses that generate microscopic cavitation bubbles inside the pipeline.
As these bubbles rapidly compress and collapse, they create powerful micro-shockwaves that break apart scale and contamination attached to internal channel walls. The pulsed cleaning flow operates in both forward and reverse directions, ensuring complete removal of buildup throughout complex mold cooling passages. This physical cleaning method restores cooling flow performance while eliminating the need for aggressive chemical treatments or manual cleaning.
CAN YOU CLEAN MOLD CHANNELS WITHOUT REMOVING THE MOLD?
Reduce labor and Maintenance Downtime by Leaving the Mold in The Molding Machine
Yes! The MDM Series is designed to clean mold cooling channels while the mold remains installed on the injection molding or die casting machine. Traditional maintenance methods often require mold removal, disassembly, and manual cleaning, which can take hours or even days and increases the risk of mold damage or alignment issues.
By allowing in-place cleaning, the MDM Series significantly reduces maintenance downtime and labor requirements while maintaining mold accuracy and surface integrity. The system circulates pulsed cleaning media directly through the cooling circuits, flushing out contamination and restoring cooling efficiency without interrupting overall production workflows for extended periods.
This streamlined maintenance approach helps manufacturers maintain consistent mold performance while minimizing production disruptions and costly machine downtime.
DOES THIS MACHINE HAVE MULTIPLE CHANNELS TO SPEED UP CLEANING?
Clean More Channels and Molds in Less Time.
Our MDM Series features multiple independent cleaning channels designed to dramatically increase throughput and reduce downtime. Instead of cleaning one mold at a time, or parts of a bigger mold, operators can connect multiple channels to molds or dies to maximizing productivity with every cycle.Â
Each channel operates with controlled cavitation pulse technology to ensure consistent cleaning performance across all connected circuits. This multi-line capability is ideal for high-volume injection molding and die casting facilities where time is critical and mold availability directly impacts production output.Â
By reducing waiting time between cleanings and allowing parallel processing, the MDM Series helps improve maintenance efficiency, extend mold life, and keep your operation running at peak performance.Â
Our MDM mold channel cleaning machines offer more channels per unit size and capacity then any other machine on the market.Â
DOES THIS MACHINE HAVE LEAKAGE AND PRESSURE DETECTION?
Built-In Monitoring for Safe and Reliable Cleaning Performance
The MDM Series can also check mold or system pressure and system leakage, saving a tremendous amount of time in troubleshooting. These integrated detection systems help identify cooling channel restrictions, seal failures, or abnormal pressure changes before they become costly mold or equipment issues. Real-time monitoring improves cleaning safety while providing operators with greater confidence during maintenance operations.
CAN THIS MACHINE ALSO AUTOMATICLY BLOW DRY THE WATER CHANNELS AFTER CLEANING?
Remove Residual Moisture to Prevent Corrosion and Contamination
The MDM Series includes an automatic blow drying function that removes residual water from mold cooling channels after the cleaning cycle is completed. By eliminating trapped moisture, the system helps prevent internal corrosion, bacterial growth, and contamination buildup between production runs. This feature prepares molds for immediate return to service while helping maintain long-term cooling channel integrity.
DOES THIS MACHINE HAVE A FULLY AUTOMATED CLEANING AND MONITORING SYSTEM?
Consistent, Repeatable Maintenance With Minimal Operator Input
The MDM Series is designed for fully automated mold channel cleaning using integrated PLC controls and touchscreen operation. With one-touch start functionality, operators can initiate complete cleaning cycles while the system automatically regulates air pressure, water pressure, pulse frequency, and cleaning duration based on mold channel conditions.
Built-in monitoring and detection systems continuously track pressure, flow rate, and leakage conditions throughout the cleaning process. The system records cleaning data and maintenance logs, allowing operators to download and store service records for quality control and preventive maintenance scheduling.
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FASTER MAINTENANCE
FASTER THAN TRADITIONAL CLEANING METHODS
Reduce Downtime While Eliminating Mold Removal and Chemical Cleaning
| Items | Maintenance Method | Remove Mold Required | Cleaning Time | Consumables | Deficiency |
|---|---|---|---|---|---|
| MetalPress MDM | Cavitation blasting, physical flushing, positive and negative direction cleaning | Mold can be cleaned on the injection machine – no removal required | 30 minutes to 4 hours | No | No |
| Manual Cleaning | Iron tools, brushes, electric drill, and other manual tools | Mold must be removed and opened | 4 hours to 72 hours | No | Frequent removal can affect mold precision and requires significant labor and time |
| Chemical Cleaning | Acid and alkaline chemical flushing | Mold must be removed from injection machine | 2 hours to 8 hours | Chemicals required | Potential corrosion risk and chemical handling concerns |
WE USE ONLY HIGH QUALITY COMPONENTS
We Use Brand Name Components You Know, Already Use and Trust.
We use only the finest quality components that are open source, and readily available locally in your area, or from our online parts store.We do not use any impossible to find proprietary components.
WE OFFER THE HIGHEST RETURN ON INVESTMENT
We Give You More Value for Your Money.
To be competitive today’s economy requires that manufactures run their operations more efficiently and cost effectively than ever before. We offer the highest ROI (return on investment) in the industry. MetalPress gives you high quality products for are resonable investment and with more features than any other company
COLOR OPTIONS
Two standard colors are available Â
MOLD / DIE SIZE CLASSIFICATION
Typical Applications Based on Size
MOLD / DIE SIZE CLASSIFICATION TABLE – US STANDARD | |||||
| Model | Mold/Die Size | Footprint (inches) | Height (inches) | Weight (lbs) | Typical Applications |
| MDM-11 | Small | Up to 18″ x 18″ | 6 – 18 | 50 – 500 | Small plastic injection molds, prototype injection molds, small rubber compression molds |
| MDM-15 | Small to Medium | 18″ – 36″ | 12 – 24 | 500 – 3,000 | Plastic injection molds, structural foam molds, blow molds, thermoset molds |
| MDM-22 | Medium | 36″ – 60″ | 24 – 48 | 3,000 – 15,000 | Large plastic injection molds, multi-cavity molds, aluminum die casting molds, compression molds |
| MDM-30 | Medium to Large | 60″ – 96″ | 36 – 60 | 15,000 – 40,000 | Automotive injection molds, large die casting molds, structural foam molds, SMC/BMC compression molds |
| MDM-55 | Large | 96″ – 144″+ | 48 – 72+ | 40,000 – 150,000+ | Large automotive injection molds, bumper/fascia molds, high-pressure die casting molds, large compression molds |
MOLD / DIE SIZE CLASSIFICATION TABLE – METRIC STANDARD | |||||
| Model | Mold/Die Size | Footprint (mm) | Height (mm) | Weight (kg) | Typical Applications |
| MDM-11 | Small | Up to 450 x 450 | 150 – 450 | 25 – 225 | Small plastic injection molds, prototype injection molds, small rubber compression molds |
| MDM-15 | Small to Medium | 450 – 900 | 300 – 600 | 225 – 1,360 | Plastic injection molds, structural foam molds, blow molds, thermoset molds |
| MDM-22 | Medium | 900 – 1500 | 500 – 1200 | 1,500 – 7,000 | Large plastic injection molds, multi-cavity molds, aluminum die casting molds, compression molds |
| MDM-30 | Medium to Large | 1500 – 2400 | 900 – 1500 | 7,000 – 18,000 | Automotive injection molds, large die casting molds, structural foam molds, SMC/BMC compression molds |
| MDM-55 | Large | 2400 – 3600+ | 1200 – 1800+ | 20,000 – 70,000+ | Large automotive injection molds, bumper/fascia molds, high-pressure die casting molds, large compression molds |
5 STANDARD SIZES
Flexible Range of Applications.
SPECIFICATIONS – US STANDARD | |||||
| Model | MDM-11 | MDM-15 | MDM-22 | MDM-30 | MDM-55 |
| Number of Channels (each channel has 1 input and 1 output) | 4 | 4+1 | 6+1 | 6+1 | 6+1 |
| Connection Size | 3/8″ × 8 | 3/8″ × 8 1″ × 2 | 3/8″ × 12 1″ × 2 | 1/2″ × 12 1.5″ × 2 | 1/2″ × 12 2″ × 2 |
| Applicable Mold/Die Size | Small Mold / Die | Small to Medium Mold/Die | Medium Mold/Die | Medium to Large Mold/Die | Large Mold / Die |
| Water Tank Volume | 10.6 gal | 26.4 gal / 13.2 gal + 13.2 gal | 26.4 gal / 13.2 gal + 13.2 gal | 31.7 gal / 15.8 gal + 15.8 gal | 39.6 gal |
| Number Of Water Tanks | One | One or two | One or two | One or two | One |
| Power of Water Pump | 1.5 hp | 2 hp | 3 hp | 4 hp | 7.5 hp |
| Overall Dimension (inches) | 39.4 × 19.7 × 31.5 in | 55.1 × 19.7 × 47.2 in | 55.1 × 19.7 × 47.2 in | 63.0 × 23.6 × 47.2 in | Customized |
| Weight | 397 lbs | 794 lbs | 860 lbs | 1,014 lbs | Customized |
SPECIFICATIONS – METRIC STANDARD | |||||
| Model | MDM-11 | MDM-15 | MDM-22 | MDM-30 | MDM-55 |
| Number of Channels (each channel has 1 input and 1 output) | 4 | 4 + 1 | 6+1 | 6+1 | 6+1 |
| Connection Size | 3/8″ × 8 | 3/8″ × 8 1″ × 2 | 3/8″ × 12 1″ × 2 | 1/2″ × 12 1.5″ × 2 | 1/2″ × 12 2″ × 2 |
| Applicable Mold/Die Size | Small Mold / Die | Small to Medium Mold/Die | Medium Mold/Die | Medium to Large Mold/Die | Large Mold / Die |
| Water Tank Volume | 40 L | 100 L / 50 L + 50 L | 100 L / 50 L + 50 L | 120 L / 60 L + 60 L | 150 L |
| Number Of Water Tanks | One | One or two | One or two | One or two | One |
| Power of Water Pump | 1.1 kW | 1.5 kW | 2.2 kW | 3.0 kW | 5.5 kW |
| Overall Dimension (mm) | 1000 × 500 × 800 mm | 1400 × 500 × 1200 mm | 1400 × 500 × 1200 mm | 1600 × 600 × 1200 mm | Customized |
| Weight | 180 kg | 360 kg | 390 kg | 460 kg | Customized |
Applications of the Water Channel Cleaning Unit
Injection molds rely on precise cooling to maintain cycle times and part quality. Over time, internal channels accumulate scale, rust, and mineral deposits that restrict flow. The MDM Series removes these blockages through controlled flushing, restoring coolant circulation and stabilizing mold temperature. This application is essential for facilities experiencing longer cycle times, inconsistent cooling, or hot‑spot defects.
Die‑casting molds operate under extreme thermal loads, making clean cooling channels critical for preventing thermal fatigue and premature mold wear. The MDM Series flushes out oxide buildup, corrosion, and casting residue that accumulate inside cooling circuits. This improves heat extraction, reduces thermal shock, and extends mold life in high‑pressure die‑casting environments.
Modern molds often use conformal cooling channels created through additive manufacturing. These channels are narrow, complex, and prone to clogging. The MDM Series provides the controlled flow and pressure needed to clean these intricate pathways without damaging the mold. This application ensures that conformal cooling systems maintain their designed thermal performance.
Mold shops use the MDM Series as part of routine preventive maintenance to keep molds in optimal condition before they return to production. Regular cleaning prevents scale buildup, reduces emergency repairs, and ensures molds perform consistently across long production runs. This application supports predictable scheduling and reduces unplanned downtime.
Beyond molds, many facilities use the MDM Series to clean internal passages in heat exchangers, temperature control units (TCUs), and auxiliary cooling equipment. Removing scale and sludge improves heat‑transfer efficiency, reduces energy consumption, and stabilizes coolant temperatures across the entire thermal‑control system.
Molds with long or narrow channels are especially vulnerable to flow restriction. The MDM Series uses controlled flushing cycles to dislodge deposits that accumulate deep inside the cooling circuit. This application is valuable for molds that show uneven cooling, pressure spikes, or reduced flow rates during production.
High‑cavity molds require uniform cooling across all cavities to maintain dimensional accuracy and cycle consistency. The MDM Series ensures that each cooling circuit is free of blockages, preventing cavity‑to‑cavity temperature variation. This application is essential for packaging, medical, and consumer‑goods manufacturers running high‑volume production.
During mold repair or refurbishment, the MDM Series is used to clean cooling channels before inspection or reassembly. Removing internal contamination allows technicians to verify flow rates, detect leaks, and ensure the mold is ready for production. This application improves mold reliability and reduces startup issues after maintenance.
Frequently Asked Questions about Water Channel Cleaning Unit
Cooling channels inside injection molds and die‑casting tools gradually accumulate scale, rust, mineral deposits, and sludge, which restrict coolant flow and reduce heat‑transfer efficiency. This leads to longer cycle times, inconsistent part dimensions, hot‑spot defects, and premature mold wear. The MDM Series restores proper flow by flushing contaminants out of the internal channels, stabilizing mold temperature and improving overall production performance. Read our comprehensive guide on water channel cleaning units to find out more.
Clean cooling channels allow coolant to circulate freely, enabling the mold to maintain a stable and uniform temperature. This reduces thermal variation between cavities, shortens cooling time, and improves dimensional accuracy. By restoring proper heat extraction, the MDM Series helps manufacturers achieve faster cycle times, lower scrap rates, and more predictable production output.
Yes. Modern molds often include long, narrow, or conformal cooling channels that are difficult to clean manually. The MDM Series uses controlled flow, pressure, and circulation to reach deep into these channels and remove deposits without damaging the mold. This makes it suitable for advanced tooling used in high‑precision injection molding and die‑casting applications.
The MDM Series is widely used as part of routine mold‑maintenance schedules. Regular cleaning prevents scale buildup, reduces emergency repairs, and ensures molds return to production in optimal condition. Facilities that implement preventive cleaning with the MDM Series experience fewer cooling‑related issues, more consistent cycle times, and longer mold service life.
Yes. The MDM Series water channel cleaning unit is supplied throughout the United States, Canada, and Mexico. Injection‑molding facilities, die‑casting plants, and mold‑maintenance departments rely on this system to restore cooling performance, reduce downtime, and maintain consistent part quality. Units can be configured to match specific mold sizes, cooling‑circuit layouts, and maintenance requirements.
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