News
-
Maintenance of Selective Wave Soldering Equipment
Maintenance of selective wave soldering machine For selective wave soldering equipment, there are generally three maintenance modules: flux spraying module, preheating module, and soldering module. 1. Flux spraying module maintenance and maintenance Flux spraying is selective for each solder join...Read more -
SMT Production Auxiliary Materials of Some Common Terms
In the SMT placement production process, it is often necessary to use SMD adhesive, solder paste, stencil and other auxiliary materials, these auxiliary materials in the SMT whole assembly production process, the product quality, production efficiency plays a vital role. 1. Storage period (Shelf ...Read more -
What Conditions Should A Qualified PCB Meet?
In SMT processing, PCB substrates before the start of processing, the PCB will be checked and tested, selected to meet the SMT production requirements of the PCB, and the unqualified returned to the PCB supplier, the specific requirements of the PCB can be referred to IPc-a-610c International Gen...Read more -
What to Pay Attention to When Designing PCBA Circuit Boards？
1. Standard components should pay attention to the size tolerance of different manufacturers’ components, non-standard components must be designed in accordance with the actual size of the components pad graphics and pad spacing. 2. The design of high-reliability circuit should be widened s...Read more -
PCBA Process Control and Quality Control of The 6 Major Points
PCBA manufacturing process involves PCB board manufacturing, component procurement and inspection, chip processing, plug-in processing, program burn-in, testing, aging and a series of processes, supply and manufacturing chain is relatively long, any defect in one link will cause a large number of...Read more -
PCB Board Substrate Material Classification
Many varieties of substrates used for PCBs, but broadly divided into two categories, namely inorganic substrate materials and organic substrate materials. Inorganic substrate materials Inorganic substrate is mainly ceramic plates, ceramic circuit substrate material is 96% alumina, in the case of ...Read more -
Precautions for Manual Soldering of PCBA
In the PCBA processing process, in addition to batch soldering using reflow oven and wave soldering machine, manual soldering is also required to produce the product in its entirety. Matters needing attention when performing manual PCBA soldering: 1. Must operate with electrostatic ring, the huma...Read more -
What Are The Causes of SMT Component Drop?
PCBA production process, due to a number of factors will lead to the occurrence of component drop, then many people will immediately think that may be due to the PCBA welding strength is not enough to cause. Component drop and welding strength has a very strong relationship, but many other reason...Read more -
What Does A Stencil Printer Do?
I. Stencil printer types 1. Manual Stencil Printer A manual printer is the simplest and cheapest printing system. PCB placement and removal is done manually, the squeegee can be used by hand or attached to the machine, and the printing action is done manually. PCB and steel plate parallelism alig...Read more -
Soldering Techniques for Double-sided PCB
Double-sided circuit board characteristics Single-sided circuit board and double-sided circuit board in the difference is the number of layers of copper is different. Double-sided circuit board is the board on both sides of the copper, can be through the hole to play a connecting role. Single-sid...Read more -
The Nine Basic Principles of SMB Design (II)
5. the choice of components The choice of components should take full account of the actual area of the PCB, as far as possible, the use of conventional components. Do not blindly pursue small size components to avoid increasing costs, IC devices should pay attention to the pin shape and foot spa...Read more -
The Nine Basic Principles of SMB Design (I)
1. Component layout Layout is in accordance with the requirements of the electrical schematic and the size of the components, the components are evenly and neatly arranged on the PCB, and can meet the mechanical and electrical performance requirements of the machine. Layout reasonable or not not ...Read more
