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PU20F Fullauto PU Casting Machine for Filter Seals China Factory Suppliers

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PU20F Fullauto PU Casting Machine for Filter Seals China Factory Suppliers

Looking for reliable China suppliers? Our PU-20F Full-auto Casting Machine from our professional factory ensures high-precision polyurethane seal packing for filter elements, improving leakage resistance and structural strength.

The PU-20F Full-auto Casting Machine is a high-precision industrial solution engineered for the automated pouring of polyurethane (PU) seal packing in filter element production. Specifically designed to eliminate manual errors, this machine ensures a leak-free, uniform seal that is critical for the performance and durability of automotive and industrial air and oil filters. By integrating intelligent dosing and pneumatic control, it guarantees consistent material distribution and structural integrity across every unit produced.

As a core component of the Leiman Filter Solution Group's advanced manufacturing line, the PU-20F optimizes the entire sealing process—from temperature-controlled mixing to precise X-Y axial positioning. Whether producing round, square, or custom-shaped seals, this machine enhances production throughput while significantly reducing waste. Its robust industrial design ensures stable, continuous operation, making it an indispensable asset for manufacturers aiming for global quality standards in the filtration industry.

Detailed Parameters

Overall Output5~15g/s Mixture Ratio (A:B)100: 25~35
Nozzle Shift Extent450mm Max Quadric Size400×300(L×W)mm
Max Circular SizeΦ350mm Travel Speed2-10m/min
Overall Power8kw Power Supply380V/50Hz
Machine Weight1000kg Machine Dimensions1500×2000×2100mm(L×W×H)

Key Advantages

Precision Dosing

High-accurate flow-control pumps and digital displays ensure stable measurement and consistent PU mixing ratios.

Full Automation

From automatic constant temperature preservation to pneumatic nozzle switching, reducing manual labor and errors.

Versatile Casting

The X-Y axial revolving table supports round, square, and special-shaped seal packs for various filter types.

Intelligent Control

Computer-screen managed temperature, pressure, and pouring volume for repeatable high-quality output.

Advanced Nozzle

Innovative three-position switching (pouring, inversing, flushing) prevents lagging and ensures clean operation.

Industrial Durability

Stainless-steel three-layer bucket construction designed for heavy-duty, continuous industrial production cycles.

Product Gallery

Management Platforms

Material Management

Automatic temperature-preservation and stirring for PU components to ensure material homogeneity.

Process Control

Digitally-displayed gage units allow real-time monitoring of pouring volume and pressure.

Quality Assurance

Precise flow-inversing structures prevent bubbles and uneven thickness in the PU seal.

Workflow Automation

Integrated program control handles the sequence from pouring to automatic nozzle flushing.

Mold Flexibility

Adjustable workbench settings to accommodate different filter element sizes and geometries.

Technical Support

Exclusive 24/7 lifetime service providing technical assurance for uninterrupted production.

Investment Return Comparison

Comparison MetricManual Casting ProcessPU-20F Automated System
Production EfficiencyLow / Labor IntensiveHigh / Fully Automated
Sealing ConsistencyVariable / Human ErrorHigh Precision / Repeatable
Material WasteSignificant (Overflow/Leaks)Minimal (Precision Dosing)
Labor CostsHigh (Multiple Operators)Low (Single Supervisor)
Product Defect RateModerate to HighExtremely Low

Frequently Asked Questions

Q: What is the primary application of the PU-20F Casting Machine?

The PU-20F is primarily used to automatically pour polyurethane (PU) seals for automotive air filters, oil filters, and various industrial filtration elements, ensuring a perfect, leak-proof seal.

Q: How does the machine ensure the quality of the PU seal?

It utilizes high-precision flow-control pumps, a constant temperature-preservation system, and an advanced nozzle design to ensure uniform thickness, tight adhesion, and zero leakage.

Q: Can the PU-20F handle different filter shapes and sizes?

Yes, it features an X-Y axial revolving workbench that can accommodate round, square, and custom-figured seal packs, with adjustable casting parameters for various sizes.

Q: What makes the nozzle design of the PU-20F unique?

The nozzle features an automatic three-position switching system for pouring, flow inversing, and flushing, which eliminates advancing/lagging and prevents material buildup.

Q: What is the mixing ratio used in this machine?

The design mixture ratio is A:B = 100: 25~35, which is digitally controlled to maintain the chemical properties and structural strength of the polyurethane seal.

Q: What after-sales support does Leiman provide for this equipment?

Leiman Filter Solution Group provides exclusive lifetime 24/7 professional technical support and service to ensure long-term operational reliability for all direct customers.

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