Three Manufacturing Processes for Mesh Heating Coils: Etching, Stamping, and Weaving
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Today, let's briefly talk about the preparation process of net-core heating wire. So far, there are three types we have learned: etching, stamping, and weaving.
Etching: Also known as photochemical etching, it refers to the removal of the protective film on the area to be etched after exposure plate making and development. During etching, it is contacted with a chemical solution to achieve the effect of dissolution and corrosion, forming bumps or hollowed out molding. effect.
Process: cutting-cleaning-coating-exposure-developing-etching-film change-film release-inspection-packaging
Etched mesh core heating wire, Jiangxi Guli New Material Technology Co., Ltd.
Stamping: It is a forming processing method that relies on presses and molds to apply external force to plates, strips, pipes, profiles, etc. to produce plastic deformation or separation, thereby obtaining workpieces (stamped parts) with the required shape and size. It can obtain shapes such as punching, bending, rolling, and deep drawing.
Process: mold opening-punching-flattening-cutting-trimming-cleaning-post-processing (welding, bending, surface treatment, etc.)
Stamping mesh core heating wire, drawing from aibang360.com
Weaving: As the name suggests, it means that metal wires are crossed to weave mesh holes. According to industry sources, the network core carried by IQOS VEEV is woven network.
Process: wire drawing-braiding-cleaning-post-processing
IQOS VEEV network core, drawing from VapingPost
Differences between mesh core heating wires prepared by three processes
It is understood that the net core heating cores prepared by the three processes mainly have the following differences:
Etched wafers are currently the most used ones. The advantage is that the early proofing delivery period is faster, and the resistance value and circuit can be flexibly adjusted at any time. The disadvantage is that the cost is high and the resistance error is easy to be large;
Piercing nets are currently used relatively little, but they are expected to become mainstream in the future, because punching costs are lower, precision is higher, and production capacity climbs faster. However, the early mold opening cycle is relatively long, and the line cannot be flexibly adjusted;
Woven nets are currently used in the industry, and there are few mature and stable suppliers. Woven nets like IQOS VEEV have the best atomization effect and heating uniformity.
