China Automatic Stencil Printer Manufacturers, Suppliers and Factory

Your Professional Automatic Stencil Printer 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 Automatic Stencil Printer

An Automatic Stencil Printer is an SMT (Surface Mount Technology) machine that automatically applies solder paste onto PCB pads through a metal stencil. Using vision systems, it ensures precise alignment, uniform deposit thickness, and high-speed, repeatable printing for high-volume PCB assembly, crucial for fine-pitch components.

Product Specification

We offers the following product specifications：

Automatic Solder Paste Printer
Performance	Repeat position accuracy: ±10.0 μm @6 σ, Cpk ≥ 2.0
	Repetition accuracy: ±20.0 μm @6 σ, Cpk ≥ 2.0
	Cycle time: < 7s (excluding printing and cleaning)
	Product changeover: < 5 min
PCB Parameters	Maximum board size: 450 * 350 mm
	Minimum board size: 50 * 50 mm
	PCB thickness: 0.4 - 6mm
	Maximum board weight: 3 Kg
	Transfer speed: 1500 mm/s (Max)
	PCB clamping method: Programmable elastic side clamps + Automatic board thickness adjustment + Edge-locked substrate clamping
Image Parameters	Field of View (FOV): 8 * 6 mm
	Platform Adjustment Range: X:±5.0mm, Y:±7.0mm, θ:±2.0°
	Camera System: Independent camera, separate upward/downward imaging vision system, geometric matching positioning
Cleaning & Scraper	Cleaning mode: Drip-type cleaning system; Dry, wet, vacuum modes
	Scraper type: Steel scraper/Glue scraper (45°/50°/60° angle matching printing process)
	Scraper thickness: 0.25mm Diamond-like carbon coating
Equipment & Environment	Power requirements: AC220V±10%, 50/60Hz, 15A
	Compressed air: 4~6Kg/cm
	Machine weight: Approximately 1000Kg
	External dimensions: 1150 x 1415 x 1540 mm (Excluding three-color light, monitor, and keyboard)
	Operating system: Windows 7
	Environment temperature: 23±3°C
	Relative humidity: 45~70% RH

Product advantages

Precision and Consistency: Automated stencil printers apply solder paste with exact measurements, ensuring uniform deposits across every PCB. This reduces defects like insufficient or excessive paste, which can cause soldering failures. For instance, modern printers can achieve paste thickness variations of less than ±10 micrometers, critical for fine-pitch components.

Speed: High-speed operation is a hallmark of automation. A fully automated stencil printer can process hundreds of boards per hour, compared to manual methods that might handle only a fraction of that volume. This is vital for meeting tight production deadlines in high-volume environments.

Reduced Labor Costs: By minimizing the need for skilled operators to oversee every step, automation cuts down on labor expenses. A single technician can monitor multiple machines, freeing up resources for other tasks.

Lower Error Rates: Human error, such as misalignment or uneven paste application, is common in manual processes. Automated systems use vision alignment and sensors to ensure accurate stencil-to-board registration, reducing scrap rates by up to 30% in some cases.

Scalability: Automated stencil printers are designed to handle increasing production volumes without sacrificing quality. This scalability makes them ideal for manufacturers looking to expand operations.

Application

SMT PCB Assembly

Automates the foundational step of applying solder paste before placing electronic components.

High-Volume Production

Suitable for high-speed, high-density, or fine-pitch components (up to 500+ boards/day).

PCB Processing

Handles automatic PCB loading, alignment, and clamping.

Specialized Industries

Used for LED board printing, where a 1.2-meter, long-format stencil printer is often necessary.

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 an Automatic Stencil Printer?

A: An automatic stencil printer is a fully automated SMT machine designed to deposit solder paste on PCB pads with high precision and repeatability, suitable for high-volume production.

Q: What PCB sizes can it handle?

A: Automatic stencil printers support a wide range of PCB sizes, typically from small prototypes (50×50 mm) to large panels (up to 600×600 mm), depending on the model.

Q: Can it print fine-pitch components?

A: Yes. With precise squeegee control and advanced alignment systems, these printers can handle components with pitches as small as 0.3–0.4 mm.

Q: How is alignment achieved?

A: Automatic printers use optical or camera-based vision alignment systems to ensure the stencil is precisely aligned with PCB pads for consistent printing.

Q: How is squeegee pressure controlled?

A: Squeegee pressure is controlled via dual precision cylinders or servo motors, allowing uniform paste deposition across the entire PCB surface.

Q: Is it suitable for single- and double-sided PCBs?

A: Yes. Adjustable support pins and vacuum platforms provide stable support for both single- and double-sided PCBs, preventing warping or misprints.

Q: How fast can it print PCBs?

A: Automatic printers are designed for high throughput, capable of printing dozens to hundreds of boards per hour depending on board size and complexity.

Q: Can it handle different stencil thicknesses?

A: Yes. These printers accommodate a variety of stencil thicknesses, typically ranging from 0.1 mm to 0.25 mm, suitable for standard SMT applications.

Q: How consistent is the printing quality?

A: Fully automated systems ensure highly repeatable prints with minimal variation, reducing defects and improving solder joint reliability.

Q: Is it compatible with lead-free solder paste?

A: Yes. Automatic printers are fully compatible with both lead-free and traditional solder pastes, supporting RoHS-compliant production.

Q: How is the drive system designed?

A: High-end models feature linear guideways, precision ball screws, and servo motors to ensure smooth, accurate squeegee movement and long-term stability.

Q: What safety features are included?

A: Automatic printers include sensors to prevent over-travel, emergency stop buttons, and protective covers, ensuring operator safety and equipment protection.

Q: How easy is operation?

A: An intuitive touchscreen interface allows operators to select auto modes, adjust parameters, and perform guided setup, minimizing training time and errors.

Q: What maintenance is required?

A: Routine maintenance includes cleaning the squeegee, stencil, and platform, as well as regular calibration checks to maintain consistent print quality.

Q: What technical support is available?

A: Manufacturers typically provide online tutorials, remote troubleshooting, sample testing, and on-site support to help ensure continuous production and minimize downtime.

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

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