SMT Assembly Line Overview

What is an SMT Assembly Line?
The SMT production line describes the surface area assembly equipment that develops the SMT
manufacturing system, such as surface apply devices, SMT machine, welding makers, cleaning makers, and
testing equipment.
Structure of SMT Production Line
The elements of the SMT line mainly include the following groups:
A. Solder Paste Printing Press
Its feature is to print solder paste or patch tape onto the pads of the PCB.
B. Dispensing Equipment
Drip the adhesive onto the PCB fixing placement. Its main feature is to repair the elements on the PCB.
C. SMT Machine
Surface place parts are mounted accurately to the repaired position on the PCB.
D. Curing Furnace
When utilizing SMD sticky, solidify the SMD adhesive to ensure that the surface area place elements and
the PCB are securely stuck.
E. SMT Reflow Stove
By melting the solder paste, the surface place parts stick strongly on the PCB.
F. Washing Machine
Get rid of welding residues, such as change, that are harmful to the body or products on the assembled
PCB.
G. Test Devices
Inspect the welding and setting up top quality of the set up SMA (surface install setting up).
SMT Line Setting up Ways
Relying on the setting up things, setting up processes, and setting up techniques, SMT production lines
have a variety of assembly techniques.
A.Single Line Form
Typically, it is utilized for surface area setting up of SMC/SMD on one side of the PCB.
B.Dual-Line Form
It is utilized for surface setting up of SMC/SMD on both sides of the PCB.
C.Mixture Type
There are inserts and installs of the assembly.
D.Integrated Kind
SMT item integrated assembly system geared up with feeding trolley, managed and taken care of by
computer.
SMT Production Line Procedure
The procedure of an SMT line typically consists of the following actions:
Printing: Solder paste or spot tape printed onto the pads of the PCB to get ready for
the soldering of components.
Glue giving: glue drops onto the fixed placement of the PCB. The function is to repair
the components on the PCB when utilizing wave soldering.
Installing: Surface area place parts are mounted properly to the fixed position of the
PCB.
Healing: when making use of SMD adhesive, cure the SMD adhesive to make sure that the
surface area assembly elements and PCB are strongly stuck.
Reflow soldering: by melting the solder paste to make surface-mounted components
securely stuck on the PCB.
Cleansing: Remove welding deposits, such as change, that are hazardous to the body or
items on the put together PCB.
Evaluation: Evaluate the welding and assembly high quality of the constructed SMA
(surface area setting up setting up).
Return for repair work: Return for fixing has actually found a fault of the SMA.
Qualities of SMT Line
SMT production line has the complying with attributes:
The high degree of automation: The SMT production line makes use of a great deal of computerized tools,
decreasing hand-operated procedures and improving production performance and product high quality.
A.High Productivity
The production effectiveness of SMT assembly line is lot of times greater than that of traditional
plug-in assembly line.
B.Low Product Price
SMT assembly line can minimize material consumption and labor costs, thereby reducing item prices.
Application of SMT Assembly Line
SMT production lines have been utilized commonly in the manufacture of numerous digital products, such
as computer systems, mobile phones, Televisions, auto electronic devices, and so on.
Advancement Pattern of SMT Assembly Line
The growth fads of SMT production lines mainly include the adhering to aspects:
High-density: As electronic items continue to become little and intelligent, SMT
production lines will likewise develop in the direction of high-density.
Multifunctional: SMT production lines will develop in the direction of multifunctional
to satisfy the requirements of various items.

