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Stencil Cleaning Machine

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Your Professional Stencil Cleaning Machine Supplier

 

 

NeoDen Tech is a global leader in manufacturing comprehensive SMT equipment. Operating from our 27,000+ m² NeoDen Park, we have evolved beyond standalone machines to become a provider of full-scale turnkey assembly lines.Our extensive product portfolio covers every critical stage of the PCBA production process. Products distributed to 130+ countries, serving applications from research laboratories to SME production lines..

 

 
 
Why Choose Us
 

Advanced Equipment
NeoDen offers a full range of SMT equipment covering the entire PCB assembly process, including high-speed pick-and-place machines, reflow ovens, stencil printers, as well as automated inspection and rework systems.

 

Professional Team
Backed by three specialized R&D departments and a team of 25 engineers, NeoDen holds independent intellectual property rights for its core technologies. We continuously innovate to ensure the precision and production stability of our equipment, empowering buyers with reliable, long-term automated manufacturing capabilities.

 

Quality Control
NeoDen strictly adheres to ISO standards, subjecting every piece of equipment—from individual components to the complete machine—to comprehensive testing. Ensuring smooth production line operations and consistent product quality control.

 

24H Online Service
Our offering services such as sample testing, online training, remote troubleshooting, and on-site support. Buyers are guaranteed a response within 8 hours and a resolution within 24 hours, thereby minimizing production risks.

 

Overview of Stencil Cleaning Machine

 

 

A stencil cleaning machine is an automated or semi-automated industrial system used in Surface Mount Technology (SMT) assembly to thoroughly remove solder paste, adhesives, and flux residues from printing stencils. By utilizing solvent or aqueous cleaning, they prevent print defects and extend stencil life.

 

Product Specification
 

We offers the following product specifications：

Description

Value

Cleaning fluid capacity

30 - 50 L

Gas consumption

800 L/min

Wet-cleaning speed

5 min

Dry-cleaning speed

5 min

Weight

225 kg

Power source

100 - 230VAC (Customizable), Single-phase

 

Product features

Cleans with precision and versatility, handling everything from bulk solder paste removal to microscopic particle elimination.

 

Spray Rinse Tank with Filtration and Heating
Ensures flawless rinsing, leaving stencils residue-free and ready for use.

 

Ergonomic Design
Engineered for ease of operation, minimizing strain during use and simplifying routine cleaning processes.

 

Compact Footprint
Space-efficient design fits seamlessly into any production environment without sacrificing performance.

User-Friendly Interface

Intuitive PLC + HMI controls allow operators to manage cleaning cycles with ease, ensuring safe and efficient operation.

Advanced Safety & Maintenance Features

Autofill and liquid level protection for hassle-free operation. Power drain for easy water management. Compressed air blow-off on the basket backsplash for quick drying.

Enhanced Cleaning Performance

Heated ultrasonic and spray rinse tanks maximize cleaning efficiency while robust filtration extends the system's lifespan.

 

Application
1

Electronics Manufacturing

Cleaning fine-pitch stencils used in PCB assembly. Precise cleaning prevents solder bridging and ensures high-quality solder joints.

2

Automotive

Removing paint and ink residues from stencils used in decorative or functional markings on vehicle parts, improving durability and appearance.

3

Signage and Printing

Restoring large-format stencils used in outdoor signage, ensuring sharp, clear images over extended periods.

4

Textile Printing

Cleaning stencils used in screen printing for apparel, which reduces ink bleed and enhances print clarity.

 

Stencil Washing Machine

 

Other Services

All of our machines will be fully checked by our quality control department before the shipment. We guarantee all of our machines have a one-year warranty (quick-wear parts not included).
Training details: Operation principles, system, and structure, safety and maintenance, software processing technique, etc.


Numerous feedback from our clients have proven that our machines are stable in performance with rare malfunction. However, we would like to handle it as follows once malfunction occurs:

  • We guarantee that we will give you a clear reply within 24 hours.
  • Customer service staff will assist you in analyzing the malfunction to locate the cause.
  • If the malfunction is caused by improper operation of software and other soft faults, we will help solve the problem online.
  • We will offer plenty of online support, like detailed technical and installation instructions via email, video, and telephone.

 

Package & Delivery

 

Package: Standard export package or Custom
Delivery: By air express, by sea

 

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FAQ

 

Q: What is the primary purpose of a stencil cleaning machine?

A: A stencil cleaning machine is designed to remove solder paste, adhesive, and contaminants from SMT stencils, ensuring consistent paste release and print quality in the solder printing process.

Q: Why is regular stencil cleaning important in SMT production?

A: Residue buildup on stencils can lead to poor paste transfer, bridging, and insufficient deposits. Proper cleaning ensures print consistency, reduces defects, and improves overall yield.

Q: What cleaning technologies are commonly used?

A: Most systems utilize spray-in-air, ultrasonic, or a combination of both, depending on the cleaning requirements and stencil design complexity.

Q: Can the machine clean fine-pitch and micro-aperture stencils effectively?

A: Yes, advanced systems are optimized for fine-pitch applications, ensuring thorough cleaning of micro-apertures without damaging delicate stencil structures.

Q: What types of residues can be removed?

A: The machine effectively removes solder paste (lead-free and leaded), SMT adhesives, flux residues, and dust particles.

Q: Is the system compatible with different stencil materials?

A: Yes, it supports stainless steel stencils, electroformed stencils, and nickel-based materials, with cleaning parameters adjustable to prevent damage.

Q: What cleaning agents are typically used?

A: The system can operate with water-based or environmentally friendly cleaning chemistries, depending on customer preferences and regulatory requirements.

Q: How does the machine ensure thorough drying after cleaning?

A: Integrated high-pressure air knives and heated air drying systems ensure stencils are completely dry and ready for immediate reuse.

Q: What is the typical cleaning cycle time?

A: Cleaning cycles generally range from a few minutes to under 10 minutes, depending on contamination levels and process settings.

Q: Is the system environmentally compliant?

A: Yes, modern stencil cleaning machines are designed with closed-loop filtration, low chemical consumption, and compliance with EU and US environmental standards.

Q: How user-friendly is the operation?

A: The system features an intuitive HMI with programmable cleaning recipes, automated cycles, and minimal operator intervention.

Q: What safety features are included?

A: Safety features typically include leak detection, interlock systems, emergency stops, and compliance with CE and other international safety standards.

Q: What maintenance is required?

A: Routine maintenance includes filter replacement, tank cleaning, and periodic inspection of spray systems, all designed for quick and easy access.

Q: Can the machine handle high production volumes?

A: Yes, both batch and inline configurations are available to support high-mix, low-volume as well as high-volume manufacturing environments.

Q: What kind of after-sales support is available?

A: Suppliers typically offer installation, process optimization, operator training, spare parts supply, and remote technical support to ensure long-term reliability.

As one of the leading stencil cleaning machine manufacturers and suppliers in China, we offer a wide range of products with superior quality. Please feel free to buy high-grade stencil cleaning machine at competitive price from our factory. Thank you for your interest in our products.

SMT stencil cleaning machine, Steel mesh cleaning machine