Types of circuit board crimping machines
The road plate pressing machine can be divided into three categories according to its working principles:
1. Cabin pressing machine (Autoclave): the pressing machine is constructed as a closed cabin. The outer cabin is pressurized and the inner bag is vacuumized to be formed by heating and pressing. The heat and pressure borne by each layer of plates are from inert gas pressurized and heated in all directions.
2. Hydraulic press: The Hydraulic press is of vacuum type and atmospheric pressure type. The plates with openings in each layer are sandwiched between the upper and lower hot platens. The pressure is pressed from bottom to top, and the heat is transferred to the plates by heating the upper and lower hot platens.
a. The equipment has simple structure, low cost and large output.
b. Vacuum equipment can be installed to facilitate exhaust and glue flow;
Disadvantages: large glue flow at the edge of the plate and uneven plate thickness.
C. ADARA SYSTEM Cedal laminator: Cedal is a revolutionary laminator. Its working principle is that in a closed vacuum chamber, continuous coiled copper foil laminations are used to apply current at both ends. Because of its resistance, the copper foil is heated to a high temperature. The pressing plate is made of materials with low heat transfer coefficient. The pressing effect is achieved by pressurizing the upper part. Because it is heated by the copper foil in the interlayer, the heating is uniform, the temperature difference between the inner and outer layers is small, and the pressure is uniform, Compared with the traditional press, it saves energy, so its operating cost is low.
The copper foil with upper and lower interlayer is used for electric heating, saving energy and low operation cost.
The temperature difference between the inner and outer layers is small, the heating is uniform, and the product quality is good.
Vacuum equipment can be installed to facilitate exhaust and glue flow. Cycle time is about 4Omin short
The working space is greatly reduced. It can be used for high buildings
Disadvantages: the equipment structure is complex, the cost is high, and the single machine output is small, and the stacking takes time.