Guangzhou Kaijin Precision Manufaturing Co., Ltd.
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SMT SMD Circuit Board SMD Production DIP Plug-In PCB SMD Processing
Product process
| Turnkey PCBA | PCB+components sourcing+assembly+package | ||||
| Assembly details | SMT and Thru-hole, ISO lines | ||||
| Lead Time | Prototype: 15 work days. Mass order: 20~25 work days | ||||
| Testing on products | Flying Probe Test, X-ray Inspection, AOI Test, functional test | ||||
| Quantity | Min quantity: 1pcs. Prototype, small order, mass order, all OK | ||||
| Files we need | PCB: Gerber files(CAM, PCB, PCBDOC) | ||||
| Files we need | Components: Bill of Materials(BOM list) | ||||
| Files we need | Assembly: Pick-N-Place file | ||||
| PCB panel Size | Min size: 0.25*0.25 inches(6*6mm) | ||||
| Max size: 20*20 inches(500*500mm) | |||||
| PCB Solder Type | Water Soluble Solder Paste, RoHS lead free | ||||
| Components details | Passive Down to 0201 size | ||||
| Components details | BGA and VFBGA | ||||
| Components details | Leadless Chip Carriers/CSP | ||||
| Components details | Double-sided SMT Assembly | ||||
| Components details | Fine Pitch to 0.8mils | ||||
| Components details | BGA Repair and Reball | ||||
| Components details | Part Removal and Replacement | ||||
| Component package | Cut Tape,Tube,Reels,Loose Parts | ||||
| PCB assembly | Drilling-----Exposure-----Plating-----Etaching & Stripping-----Punching-----Electrical Testing-----SMT-----Wave Soldering-----Assembling-----ICT-----Function Testing-----Temperature & Humidity Testing | ||||
About our Advantages:
1. Professional Surface-mounting and Through-hole soldering Technology
2. Various sizes like 1206,0805,0603 ,0402,0201 components SMT technology
3. ICT(In Circuit Test),FCT(Functional Circuit Test) technology.
4. PCB Assembly With UL,CE,FCC,Rohs Approval
5. Nitrogen gas reflow soldering technology for SMT.
6. High Standard SMT&Solder Assembly Line
7. High density interconnected board placement technology capacity.
SMT patch processing will purchase components according to BOM, BOM provided by customers and confirm the PMC plan of production. After the preparatory work is completed, we will start SMT programming, manufacture laser steel mesh and solder paste printing according to the SMT process.
The components will be mounted on the circuit board through SMT mounter, and online AOI automatic optical detection will be carried out if necessary. After testing, the perfect reflow furnace temperature curve is set to let the circuit board flow through reflow welding.
After the necessary IPQC inspection, the DIP material can then be passed through the circuit board using the DIP process and then through wave soldering. Then it is time to carry out the necessary post-furnace process.
After all the above processes are completed, QA will conduct a comprehensive test to ensure product quality.
SMT basic process elements include: screen printing (or dispensing), mounting (curing), reflow soldering, cleaning, testing, repair
1. Screen printing: Its function is to leak solder paste or patch glue onto the PCB pad to prepare for the welding of components. The equipment used is screen printing machine (screen printing machine), located at the front end of the SMT line.
2, dispensing: it is to drop the glue to the fixed position of the PCB board, its main role is to fix the components to the PCB board. The equipment used is the dispensing machine, which is located at the front end of the SMT production line or behind the testing equipment.
Q&A
Company Introduction:
Guangzhou Kaijin Precision Manufacturing Co., Ltd. was established in 2013.
The company focuses on SMT/DIP high-end circuit board processing in the electronics industry, the company has 60 employees, four high-speed patch production lines, 3 new YAMAMHA patch lines, a total of 6 machines,1 SONY patch production line in total 2 sets, offline AOI inspection equipment 4 sets, average daily placement production capacity of 6 million points, 2 plug-in production lines, 2 tin production lines,A new lead-free wave soldering with an average daily production capacity of 1.2 million points, 2 lead-free assembly 30-meter production lines, about 3,000 daily assembly products, and perfect peripheral auxiliary equipment, which can ensure the integrity of product quality, realize automated processes in many places, and provide customers with qualified products!
The company's products now mainly include: smart home, hotel intelligent switch control, advertising machine motherboard, industrial control matrix, communication equipment board, code scanning gun, ear temperature gun and other semi-finished products, finished products, experience 8 years, product quality and after-sales service has been praised by customers.