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SMT technicians tell you the characteristics of the multi-functional mounter

时间:2021-11-23 类型:Corporate News

1、 The structure of multi-function Mounter mostly adopts arch structure, which has the characteristics of high precision and good flexibility.


2、 In the X and Y positioning systems, the full closed-loop servo motor is mostly used for driving, and the linear grating ruler encoder is used for direct position feedback to avoid the error caused by the distortion and deformation of the screw rod. Some use double motors and double screw rods to drive on both sides of the platform on the y-axis, and use a bilinear grating ruler for feedback, which can effectively reduce the waiting caused by the stationary mounting head and reduce the error caused by the asynchronous deformation of the beam. The more advanced linear magnetic levitation motor not only has the technical characteristics of double drive, but also has the characteristics of direct drive, less wear of mechanical structure, fast feedback, quiet, easy maintenance and high precision.


3、 Most of the multi kinetic energy mounters adopt the circuit board fixed type. The X and Y positioning is realized by the movement of the mounting head, and the large or heavy components will not be displaced due to inertia due to the movement of the table.


4、 Can accept all material packaging methods, such as tape packaging, tube packaging, box packaging and disk packaging. In addition, when there are many materials in the tray, a multi-layer special tray feeder can be added.


5、 In addition to the traditional vacuum suction nozzle, special suction nozzle can be used for special-shaped components that are difficult to absorb. In addition, pneumatic clamping claw can be used for components that cannot be absorbed by vacuum suction nozzle.


6、 When correcting the components, the up looking camera is generally used, which has the functions of front light, side light, backlight and online light, and can identify various components. If the size of the component is too large and exceeds one FOV of the camera, the up looking camera can also conduct comprehensive analysis and correction after taking photos of multiple videos. The mounting head of some multifunctional mounters is also equipped with a mounting head mobile camera, which can identify various smaller components.


7、 In some products, some pin h paste components also need to be installed at the same time as other patch components and nursed by reflow soldering. The insertion of this kind of pin h paste components requires the machine to have the ability of high pressure mounting. The mounting head of some multifunctional mounters has the ability of high pressure mounting. The mounting pressure can be controlled by program, up to 5 kg.


8、 Some multi-functional chip mounters can be equipped with flux dipping assembly to mount package on package and flip chip.


9、 Some multifunctional mounters can also be equipped with a dispensing head for dispensing before mounting, tin filling or under filling of some components.


Multifunctional Mounter can handle a variety of complex components. It is an essential equipment in the production of complex electronic products. In some scientific research, testing and trial production units, only one or more multi-functional mounters are used for small batch production when they can accommodate the types of materials. However, the speed of multi-functional chip mounters in processing small chip components is far from that of high-speed chip mounters. The mounting speed of some high-speed chip mounters when mounting small chip components can reach 5 ~ 10 times that of multi-functional machines. Therefore, in medium and large-scale production, reasonable configuration is generally carried out according to the characteristics of products, so that the efficiency of each equipment is close to the highest.

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