PCB Assembly Manufacturer
- 20+ Years Experience on Electronic Manufacturing Services
Following the standards of IATF,ISO,IPC,UL. Online SPI,AOI,X-Ray etc, 99.9% yield of product.
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PCB Assembly from Rigid, FPC to Rigid-Flex board with leaded & lead-free solder.
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Automatic SMT assembly 18 lines, 6 DIP and finished product assembly lines.
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8-48 hours delivery time when components are ready.
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Full range of reliable suppliers for components.
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7/24 active sales & technical support.
PCB Assembly Manufacturing Solutions
PCB Assembly Process and Quality Control Overview
PCB Assembly (PCBA) is the critical manufacturing process of accurately assembling electronic components onto printed circuit boards. It involves a rigorous procedure with multiple quality control measures to ensure reliability:
1. Core Process Flow
Material Preparation and DFM Validation
Components are procured based on the BOM list. With stringent inspection of incoming material quality (such as PCB flatness, IC model consistency), second-hand or counterfeit materials are elimated. A Design for Manufacturability (DFM) analysis is conducted to optimize PCB layout (e.g., avoiding high component obstructions for maintenance points, preventing high-frequency interference), preemptively addressing potential process risks.
Solder Paste Printing and Placement
A laser stencil is used to precisely apply solder paste, with hole size control (such as U-shaped holes) ensuring even pad coverage. High-speed pick-and-place machines achieve micron-level precision in component placement, minimizing human error.
Reflow Soldering and Through-hole Processing
The reflow soldering oven temperature curve is strictly controlled to ensure proper solder paste melting and reliable electrical connections. Custom molds are used during wave soldering for through-hole components to optimize yield.
2. Key Quality Control Measures for PCB Assembly
Comprehensive Inspection Techniques
AOI (Automated Optical Inspection): Multi-angle scanning of solder joints quickly identifies misalignment and cold solder joints. X-ray inspection: Provides a view of hidden solder joints like those under BGAs, detecting bridging and voids. ICT/FCT Testing: Power-on verification of circuit conductivity and functional performance.
Standardization of Process Parameters
Standardization of solder paste composition, reflow soldering temperature zones, and utilizing Statistical Process Control (SPC) reduce the fluctuations.
Final Reliability Verification
After PCB assembly, conducting burn-in tests, temperature and humidity cycles, drop tests, etc., simulate stability under extreme conditions.
3. Quality Control Value Loop
From raw material inspection to process parameter monitoring and end-of-line testing, a 'prevention-monitor-correct' system is established in PCB assembly. Long-term stability of high-density PCBA in complex operating conditions can be ensured, such as smartphones.
Suga tech is taking all the above procedures strictly in PCB assemebly, so that our customers are stable and willing to expand business. With this regarding, you are suggested to try Suga, send inquiry now.
- Turn times as short as 24 hours
- 1 to 100,000 units
- Class II Inspection standard and Class III Inspection available
- 100% on-time guarantee
- DFM support
- Lead free (RoHS) options
- SMT and thru-hole capabilities
- All SMT machine placed
- AOI (Automated Optical Inspection
- Lead-free RoHS Certification and ITAR compliance screen available
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Program Design
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Process Capability
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Part supply flexility
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Equipment Exhibition
We offer one-stop services for all types of PCBs, from component procurement to functional testing and package completion.
Quick payment
Flexible payment options
On-Demand Manufacturing
No MOQ or MPQ limited. Prototype or mass production order acceptable.
Inspection Of Quality
90% of the technical staff have more than 10 years of industry experience
PCB Assembly Capability
| Assemble type | SMT, THT&Hybrid, single or double side placement. |
| Stencils | Offer Laser-cut stainless steel stencil. |
| Solder type | Offer both lead&lead-free (RoHS Compliant) assembly services. |
| Board type | Rigid board, flex board&rigid-flex board. |
| PCB or Panel Size | Min board size of 10*10mm, will be panelized to suit the SMT machine |
| PCB or Panel Size | Max board size of 330*530. |
| Board shape | No restrictions for rectangular, Circular and any Odd Shapes, will adjust the panelize for better placement. |
| Components | Passive components as small as 01005,0201,0402 |
Part supply flexility
| Turn-key | We source all components for you from authorized components suppliers or distributors. |
| Partial Turn-key | Customer offer partial of components as they prefer and we will source the rest as required. |
| Consigned | Components can be supplied by the customer. We accept parts in Reels, Cut Tape, Tube & Tray, Loose Parts and Bulk. |
PCB Products show
Testing Procedures
Using PCB assembly services has several advantages:
- PCB assembly manufacturers have the expertise and experience to handle the complex and delicate tasks involved in PCB assembly. They can also provide design and engineering assistance to aid in the optimization of the PCB layout and assembly process.
- Quality and dependability: Professional PCB assembly manufacturers typically employ stringent quality control and testing procedures to ensure that assembled PCBs meet the required specifications and are reliable.
- Cost-effectiveness: Because they have access to advanced automation equipment and economies of scale, PCB assembly manufacturers can frequently provide cost-effective solutions for large production runs.
- Saving time and effort: Using PCB assembly services saves time and effort because you don’t have to worry about sourcing components, setting up and maintaining assembly equipment, or training assembly personnel.
- Flexibility: PCB assembly companies can provide a variety of assembly technologies and services, such as through-hole and surface mount assembly, automated and manual assembly, prototyping, and production runs.
- Advanced technologies: PCB assembly manufacturers may have access to advanced technologies and materials, such as high-speed and high-density interconnects and advanced thermal management techniques, that can improve the performance and reliability of assembled PCBs.
Bring you better PCB products
Circuit Board Fabrication and PCB Assembly Turnkey Services
PCB Assembly asked questions
What is PCB assembly?
What are the different types of PCB assembly?
Can PCB assembly be automated?
Who performs PCB assembly?
How do I select a PCB assembly manufacturer?
Can PCBs be repaired or modified after assembly?
What is surface mount technology (SMT)?
What is the difference between through-hole and surface mount technology
The Printed Circuit Boards were flawlessly assembled. Mis Wang, the WINOW engineer in charge of our project, organized the parts flawlessly. She asked all of the pertinent questions to ensure a satisfactory outcome. We had a very pleasant and productive working relationship with her, and we hope to work with her on future projects again.
This board is required to charge my robotic platform's lipo batteries (rover). For the first time, I ordered this item and was pleasantly surprised by the excellent communication throughout the ordering process, manufacturing progress, and delivery tracking. It was quickly shipped and arrived on time.
The boards arrived yesterday, and assembly has begun. Excellent solder wetting, clean line definition, and drill holes that are precisely in the center of the via lands.
Please convey my gratitude to everyone who created such wonderful boards.
Why Choose Us?
WINOW has been providing high-quality PCBs with fast turnaround times and high customer satisfaction since 2018. With over ten years of industry experience, we are a leading PCB manufacturer and PCB assembly company based in China. Based on your ideas or schematic diagram, we can complete the one-stop PCB manufacturing process from design to assembly (Design).
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Within 24 hours, prototype orders are processed.
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It usually takes 5-7 working days to complete some PCB prototypes and small-batch manufacturing.
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A shorter lead time of 48 hours for small batch production and some PCB prototypes.
