The advantages and disadvantages of various laminators

2022-01-12 11:49

Laminator lamination describes the process of building successive layers of material and bonding these layers to reinforce, protect, and waterproof various substances. The lamination process is an important step in the construction of printed circuit boards (PCBs). Circuit board manufacturers use laminates to ensure that copper does not inadvertently conduct current or send signals. The copper is laminated on the substrate, which is the physical canvas to which all components of the printed circuit board assembly (PCBA) are connected. Although the lamination requirements vary with the way the circuit board is used, the PCB lamination process is an essential part of manufacturing the circuit board. Today, Xiaobian to collect some of the advantages and disadvantages of various laminators, we can refer to when purchasing laminators.

cabin pressure type laminating machine

The structure of the cabin pressure laminator is a sealed cabin body, the outer cabin is pressurized, and the inner bag is vacuumed and compressed. The heat and pressure borne by the plates of each layer come from inert gas pressurized and heated in all directions.

Advantages: Because the pressure and heat come from all directions, the plate thickness uniformity is good, suitable for high-rise panels
Disadvantages: complex equipment, high cost, low output

hydraulic laminating machine
The structure of hydraulic laminator has vacuum type and normal pressure type. The plates between the openings of each layer are clamped between the upper and lower hot plates. The pressure is pressed from bottom to top, and the heat is heated by the upper and lower hot plates to the plates.

Advantages: simple equipment, low cost, large output
Disadvantages: large amount of glue flow, poor uniformity of plate thickness

The electrothermal laminating machine is a revolutionary laminating machine. Its operating principle is to use a continuous roll-shaped copper foil laminate in a closed vacuum chamber, and pass current at both ends. Because of its resistance, the copper foil generates high temperature and Prepreg heating. The pressure is applied by the airbag above to achieve the pressing effect.
Advantages:
1. The use of upper and lower interlayer copper plate electric heating, energy saving, low operating costs
2. The inner and outer layer temperature difference is small, the heat is uniform, the product quality is good
3.Cycle time is about 70~100min.
4. Fast heating rate (MAX 10°C /min.)
Disadvantages:
1. The equipment structure is complex and the cost is high.
2. Single machine output is small
3. Pressure is a pneumatic working method and cannot provide high pressure
4. Consumable aluminum alloy mirror plate has large loss









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