Vakuum galvanizacija električno grijanje cijev kemijska nikal oplata galvanizacija biser nikal široko korišteno

Vakuum galvanizacija električno grijanje cijev kemijska nikal oplata galvanizacija biser nikal široko korišteno

Uniform debljina i dobro uniforma oplata sposobnosti are one the the major karakteristike od galvanizirano biser nikal i one of the reasons for its wide application. Electrolined pearl nickel avoids the uneven thickness of the electrovaning layer due to current distribution. Parts, especially parts with complex shapes, are very different. The coating is thicker at the corners of the parts and near the the anode, while the the coating is very thin on the inner surface or far from the anode, or even cannot be plated. Plating avoids this deficiency of galvanizacija. During electroless oplata, as long as the surface of the part is in contact with the oplating solution, the components consumed the the oplating solution can be refilled in time, and the thickness of the oplating layer in any part is basically the same, even in grooves, gaps, and blind holes.

Galvanizacija je the use of power to convert nickel cations into into metal nickel and deposit on the anode. The method of chemical reduction is to reduce nickel cations to metal nikal and deposit on the surface the the base metal. Tests have shown that the incorporation of -vodik in the coating and chemical reduction The reaction has nothing to do with the electrovaning conditions. Obično, the hydrogen content in the the coating increases with the the povećanje od struje gustoće.

Loše predobrada elektrobez struje nikal oplata on vakuum galvanizacija električno grijanje cijev

The surface the the toplinski obrađeno radni komad volja neizbježno pridržavanje a sloj od ulje mrlje. When the dust falls on the surface and sticks with the grease, it will be difficult to clean it after a long time, so that the surface of the workpiece will form inprimjetn small oil spots. When the bubbles stay on it to form pinholes. In addition, when the the mesh belt resistance peć is used for gašenje, the oil dirt on the surface of the workpiece is mixed with dust and other impurity čestice, and sintered into a A Stubborn Solid Oil Dirt. , It Is Difficult to Total Remove The Above Dirt During Electrovaning. Vodik mjehurići are easy to adhere to to the dirt and are teško to pražnje, resulting in pinholes and pitting in the coating, and as the bubbles postupno grow, the coating will automatically burst. , resulting in piling phenomenon.

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