1. Filter
The filter mainly filters the compressed air used in the placement equipment process to ensure the cleanliness of the air-shrinking gas. If the filter is dirty, it will affect the suction power of the suction nozzle, which will have a direct impact on the mapping effect. The filter needs to be replaced periodically during equipment maintenance.
2. Reflector plate and reflector cap
Reflective plate is used to detect the component size, component electrode and SMT suction nozzle. When the above three kinds of identification is bad during the placement process, the reflection plate and reflection cap should be checked or replaced.
3. Conveyor
Conveyor belts are used for the transfer of products. The conveyor belt will be worn out during long-term use, and will break after a certain period of time, and then need to be replaced.
4. Air cylinder
Cylinders are generally used in combination with solenoid valves in mounters to lift and stop the product. In the mechanism of the mounter, the cylinder is widely used, such as the cylinder used on the patch head can be set to stop the patch head whether to use. The rise and fall of the placement equipment table, the cylinder according to the signal of the solenoid valve for expansion and contraction to make the table rise and fall.
Cylinder use process will have wear and tear and dust into, should be regularly checked, found that the problem is dealt with in a timely manner. If the cylinder is inflexible or out of place due to unclean compressed air, it should be cleaned. If there is air leakage, the seals may be deteriorated and replaced. If the cylinder is worn due to piston wear, then it is time to replace it.
5. Bearings
The role of bearings is twofold, the first is to limit and the second is to support. Bearing limit refers to the fixed shaft can only realize the rotation, but can not be axial and radial movement. Support is to bear the radial load of the shaft.
Bearing according to the function of rolling axial bearing, ball bearings and thrust bearings and so on.
Bearings are widely used in the structure of the patch machine standard parts, it requires smooth operation, if a long time running, there will be wear and tear, should be regularly inspected, found that the bearings have radial runaway, affecting the normal operation of the equipment, to be replaced in a timely manner. Such as the joint bearings and rolling bearings used in the patch machine.
6. Synchronous belt
Synchronous belt drive is composed of a circumferential surface with equally spaced teeth of the ring belt and the corresponding matching wheel. It combines the advantages of belt drive, chain drive and gear drive. When rotating, the power is transmitted by meshing the teeth of the belt with the grooves of the wheel.
In SMT machine, synchronous belt is generally used in theta angle of rotation and spindle transmission, the use of a longer period of time there will be wear and tear, need to regularly check and replace, in order to ensure the normal operation of the equipment.
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