1.Install the qualified matrix in the correct position of the welding frame with lifting equipment and lock it. The grinding tool (manual grinding wheel or file) is used to grind the surface of each tooth (i.e. the welded surface) of the matrix to form a complete welded surface. It is required that the polished surface should be smooth and not be concave, convex, skewed and other contamination.
2.Uniform brushing of silver flux on the welded surface of the polished diamond segment and the interface of the base metal. Its purpose is to remove the oxide on the substrate surface, promote the melting of silver solder and improve the fluidity of solder. Paste the cut silver solder piece with the same specification as the welding surface of the diamond segment on the welding surface of the diamond segment.
3. Tighten the welding surface of the diamond segment to the welding surface of the base and press it with special tooling. The size of the diamond segment higher than the base plane should be symmetrical. Special tooling can be used to avoid tilting or varying in height.
4.Set the welding temperature on the welding machine, usually between 600 and 800 degrees. Welding temperature should not be set too high to avoid Carbide Diamond crystal, damage the diamond segment and affect the service life of the diamond segment.
5.When high frequency welding is used, one tooth should be welded at intervals of 4-6 teeth to prevent local overheating, and the welding quality should be strictly checked. If the butt welding is biased, the diamond segments with oblique welding and incomplete melting of silver welding strips should be re-welded. The welding heat affected zone is not uniform, which may affect the welding and sawing quality.
6.Don't rush to take off the saw blade after welding the whole blade. It should be prevented from being on the welding frame for a period of time. It can be blown by a fan or cooled naturally before it can be removed and suspended on the special sawing frame. If the saw blade is removed from the ground prematurely, the matrix will be deformed easily, which will lead to the quality failure of the matrix and reduce the service life of the saw blade.
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