A kind of preparation method of silver molybdenum sulfide sliding electrical contact material
A sliding electrical contact, silver molybdenum sulfide technology, applied in the direction of cable/conductor manufacturing, circuits, electrical components, etc., can solve the problem of unstable conductivity and wear resistance of composite materials, affecting the stability and accuracy of circuit systems, and uneven distribution Uniformity and other issues, to achieve good market prospects, good conductivity, good wear resistance
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Embodiment 1
[0020] Such as figure 2 The process flow, the MoS with a particle size of 50nm 2 The powder is granulated into 0.1mm spherical particles, and the 0.1mm particles are bonded with epoxy resin as figure 1 In the hexagon (the area surrounded by the hexagonal particle group is about 80 square millimeters), 10 hexagons are bonded into a hexagonal MoS with a thickness of 1mm 2 particle swarm; then multiple hexagonal MoS 2 The particle group is bonded to the inner wall of the carbon-sprayed casting mold, and makes the MoS 2 The distance between the particle group and the particle group is kept 10mm; finally, the molten silver liquid (covered with activated carbon) at 980°C is poured into the casting mold at a pouring temperature of 970°C to obtain MoS 2 Enhanced AgMoS 2 Sliding electrical contact material.
Embodiment 2
[0022] Such as figure 2 The process flow, the MoS with a particle size of 800nm 2 The powder is granulated into 0.01mm spherical particles, and the 0.01mm particles are bonded with epoxy resin as figure 1 In the square (the area surrounded by the square particle group is about 5 square millimeters), 50 squares are bonded into a square MoS with a thickness of 0.5mm 2 particle group; then a plurality of this square MoS 2 The particle group is bonded to the inner wall of the carbon-sprayed casting mold, and makes the MoS 2 The distance between the particle group and the particle group is kept 2mm; finally, the molten silver solution (surface layer covered with activated carbon) at 1020°C is poured into the casting mold at a pouring temperature of 1000°C to obtain MoS 2 Enhanced AgMoS 2 Sliding electrical contact material.
Embodiment 3
[0024] Such as figure 2 The process flow is to granulate graphite powder with a particle size of 50um into spherical particles of 0.5mm, and bond the 0.5mm particles with epoxy resin to form figure 1 The rod shape in , and makes the MoS of the rod 2 The diameter of the particle group reaches 2mm; then a plurality of round rods MoS with a diameter of 2mm 2 The particle group is bonded to the inner wall of the carbon-sprayed casting mold, and makes the MoS 2 The distance between the particle group and the particle group is kept 5mm; finally, the molten silver solution (surface layer covered with activated carbon) at 1100°C is poured into the casting mold at a pouring temperature of 1050°C to obtain MoS 2 Enhanced AgMoS 2 Sliding electrical contact material.
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