In the fast-growing field of renewable energy, photovoltaic (PV) floating platforms are no longer just an innovative concept but a practical solution to maximize energy production in water-rich regions. However, the harsh aquatic environment—with its relentless UV radiation, fluctuating water pressure, and corrosive elements—poses unprecedented challenges to the durability of these platforms. At the heart of addressing these challenges is the HDPE extrusion blow molding machine, particularly the DSB100/110/120 series. These machines do more than simply produce floating pontoons; they forge the reliability that underpins the long-term operation of PV floating systems, making them a cornerstone of sustainable energy infrastructure.
Prolonged UV exposure: Preventing material degradation and brittleness over 25+ years.
Hydrodynamic stress: Resisting constant wave impacts and water pressure variations.
Chemical corrosion: Withstanding algae, bacteria, and (in coastal areas) saltwater erosion.
Structural fatigue: Maintaining integrity under the cumulative load of solar panels, inverters, and cabling.
High-Density Polyethylene (HDPE) inherently possesses the chemical resistance and mechanical strength to meet these demands, but its performance is fully unlocked only when shaped by precision manufacturing. This is where the DSB100/110/120 series distinguishes itself: it transforms HDPE into pontoons that don’t just "work" but "endure."
The DSB100/110/120 series integrates cutting-edge engineering to address the root causes of pontoon failure, focusing on three critical pillars of reliability: material optimization, structural integrity, and production consistency.
HDPE’s performance is highly sensitive to processing conditions. The DSB100/110/120 machines feature a proprietary dual-zone extrusion system that ensures optimal material preparation. The first zone pre-heats HDPE pellets to a uniform 180℃, while the second zone precisely controls molten HDPE at 200±0.5℃—a temperature range proven to maximize molecular bonding without causing thermal degradation. This meticulous control ensures the resulting pontoons retain HDPE’s full tensile strength (up to 30 MPa) and impact resistance (-40℃ cold impact testing shows no cracking), even after decades of exposure to the elements.
Additionally, the machines can integrate functional additives during extrusion, such as UV stabilizers and anti-microbial agents, distributing them evenly throughout the HDPE matrix. This eliminates weak points caused by uneven additive dispersion—a common issue with lesser machines—and ensures every part of the pontoon is equally protected against environmental stressors.
A pontoon’s structural integrity depends on its ability to distribute stress evenly. The DSB100/110/120 machines achieve this through a patented "dynamic blow molding" process. Unlike conventional machines that use fixed pressure, these systems adjust blowing pressure in real time (from 0.6 to 1.2 MPa) based on sensor feedback from the mold cavity. This ensures the molten HDPE flows uniformly into every corner of the mold, eliminating air pockets and thin-walled sections that often become failure points.
Consistent wall thickness: Variations of less than 0.05mm across the entire structure, ensuring no weak spots under pressure.
Reinforced stress points: Critical areas (such as connection lugs and base supports) are automatically thickened by 15-20% during molding, enhancing load-bearing capacity.
Seamless construction: One-piece molding eliminates seams or joints, which are prone to water ingress and corrosion in assembled alternatives.
Real-time rejection of non-conforming units: Ensuring only pontoons meeting strict standards proceed to assembly.
Traceability: In the unlikely event of a defect, project managers can trace the pontoon back to its production batch, mold, and even specific machine parameters, enabling targeted solutions.
Predictive analytics: Aggregated data helps identify trends (e.g., mold wear) before they affect quality, reducing the risk of widespread issues.
The impact of these engineering advancements is evident in PV floating projects worldwide, where DSB100/110/120-produced pontoons have proven their mettle in extreme conditions.
In saltwater lagoon environments, where high UV radiation (6-8 hours of direct sunlight daily) and saltwater corrosion pose dual challenges, pontoons produced by the DSB120 machine—equipped with integrated UV stabilizers and enhanced wall thickness—have operated for four years with zero structural failures. Annual inspections show minimal degradation, confirming their 25+ year lifespan projection.
In regions with freezing temperatures (down to -10℃) and winter ice formation, DSB110-produced pontoons leverage their flexible HDPE structure and seamless design to withstand ice expansion and contraction without cracking—a feat that has eluded many conventional floating systems.
The reliability engineered by the DSB100/110/120 machines does more than prevent failures; it unlocks new possibilities for floating PV. Project developers can now confidently scale to larger projects, venture into harsher environments (such as coastal areas or high-altitude lakes), and reduce long-term maintenance costs. This reliability also lowers financing risks, making floating PV more attractive to investors and accelerating the transition to renewable energy.
Looking ahead, the machines are poised to integrate even more advanced features, such as embedded RFID tags for lifecycle tracking and compatibility with recycled HDPE blends (up to 50% recycled content) without sacrificing performance. These innovations will further strengthen the link between manufacturing excellence and sustainable energy infrastructure.
In the world of floating PV, reliability isn’t just a feature—it’s the foundation upon which entire projects are built. HDPE extrusion blow molding machines like the DSB100/110/120 series have redefined what "reliable" means, combining precision engineering, intelligent quality control, and material science to produce pontoons that thrive in the harshest conditions.
For project developers, engineers, and energy companies, choosing these machines isn’t just an investment in equipment—it’s an investment in peace of mind. It ensures that the floating platform supporting your solar panels will perform consistently, year after year, delivering clean energy without compromise.
| Extruder | CLAMPING UNIT | |||
| 1 | Screw diameter | 100mm | Tie bar | Two tie bar |
| 2 | L/D ratio | 24-1 | Platen size | 900(W)X1400(H) |
| 3 | Screw speed | 15~50rp.m. | Length of mold | 900-960mm |
| 4 | Drive motor | 45KW | Clamping force | 780KN |
| 5 | Heating zone with cooling fan | 6 zone | Close/0pen stroke | 880-1700mm |
| 6 | Output/Capacity | 170 Kg/hr(HDPE particle) | Mold weight | Max. 5000 kg |
| 7 | Heating capacity | 25.1 KW | Clamping stroke measurement | Transducer ltaly Gefran |
| 8 | Vertical adjustment of head | 500mm | Hydraulic valve | Taiwan Hitech |
| 9 | Forward/Backward adjustment of head | 500mm | Number of hydraulic cylinder | 1 |
| 10 | Groove feed barrel cylinder | Have lKV | High pressure | 14 Mpa |
| 11 | Gear box | Hard gear decelerator | Support parts for platenmovement | Liner Guide |
| 12 | Ladder and safety rails | Have | ||
LASTIC MOULDING MACHINE WITH MOOG PARISON CONTROL FOR SOLARPANEL WATER FLOATING BLOW MOLDING MACHINEDAWSON MACHINERY & MOULD GROUP
***EXTRUSION BLOW MOLDING MACHINE EXPERT***
OUR CUSTOMERS ARE ALL AROUND THE WORLD.
VIETNAM, AUSTRALIA, INDONESIA, MALAYSIA, THAILAND, SRI LANKA.KAZAKHSTAN, RUSSIA, UAE, SAUDI ARABIA, MALTA, ROMANIA, ITALY, INDIA.SYRIA, ETHIOPIA, EGYPT, SUDAN, TUNISIA, ALGERIA, KENYA, NIGERIA,SOUTH AFRICA, ZIMBABWE, MEXICO,GUATEMALA, ECUADOR, COLOMBIA,VENEZUELA, PERU....
SUITABLE FOR MAKING 100-250L HDPE LIFE BUOY, FLOATER.EQUIPED WITH MOOG PARISON CONTROLLERWITH SERVO MOTOR
DAWSON MACHINE & MOULD GROUP
located in Zhangjiagang city, have more than 18 years' experience in the field of plastic machinery,injection molding machine, blow molding machine, PET blow molding machine, injection blow moldingmachine, during the past 18 years, we always force our energy into new areas of plastic machinery,plastic packaging machinery, to update the technology, to learn advanced experience,to confirm new theory and new design, we are forming a unique competitive advantage of our owns.The machines from our company carry good quality and effective after-sales service, upon the market,customers from more than 45 countries, we provide complete solution for your plastic industrybusiness, as well as all sorts of technical support & after-sale services!
Q: Can we visit your factory?
Sure. We located in Zhangjiagang city which is very near Shanghai. For overseas customers, you can fly to Shanghai Pudong International Airport. We can pick you up in the Airport. (or Hongqiao International Airport. ) We also provide visit online by video.
Q: How can we get the exact price of plastic machine?
Contact us with the products size, shape, annual quantity and photo if possible. We can recommend our machine models with quotation.
Q: Do you provide any spare parts with machine?
Yes, we offer all necessary spare parts before shipment.(contact us for packing list )
Q: How about your after-sale service ?
We offer manual instruction and engineer training before loading,after shipment we provide 24 HRS online support, video technical support or field installation assist.
Q: What is the lead time?
For customized machine, it takes about 45-50 days after deposit. For stock machine, fast shipment. ( The actual production cycle will vary according to the degree of customization.)
Q: What is the warranty period for your machine ?
12 months warranty for components and technical support .
Q: Do you provide custom machines?
Most of our machines are customized. Our goal is efficiency and stable performance. We design the machines according to customers products to meet customer' needs.
Q: How can we install the machine when it arrives?
We can send experienced technicians to customer's country for guiding the installation and commission the machine, also train the customer's employees.
Q: What's DAWSON's advantage?
DAWSON provide customers with turnkey projects. Including plant design, plastic machine and mold installation, debugging, also we can source the auxiliary equipments for customers. We can ship the full set of machines after testing in our factory. It will save a lot of cost and time.
DAWSON will be your reliable friend in China, and we will always do our best to give you max support!
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