Analysis of advantages and disadvantages of thin material selective cutting technology

Analysis of advantages and disadvantages of selective cutting technology for thin materials by extension model

selective cutting of thin materials ( LOM: made of layered objects by Laminatedbjeetanufacturing)

The configuration material used for this laser rapid prototyping is paper coated with Hot Melt Adhesive in advance, and its molding process is similar to the process of making terrain models described earlier, the advantages of

are:

(1)High dimensional accuracy;

(2) Only the contour line must be cut, and the production efficiency is high;

(3)No design support required;

(4) The sample made has a hardness similar to that of wooden products, which can be used in an environment below 200 ℃ after slightly processing, and can be cut to a certain extent;

(5) The life of the carbon dioxide laser used is 20000 hours;

(6)Cheap configuration materials (8/kg).

Its disadvantages are:

(1)Plastic parts cannot be made directly;

(2) The surface roughness is high, and the surface of the workpiece has obvious step lines. After molding, it should be polished;

(3) Easy moisture absorption and expansion, surface moisture-proof treatment as soon as possible after molding;

(4)The workpiece lacks elasticity.

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