Magnetic counterweight ring, magnetic control wheel and preparation method thereof
The technology of a counterweight ring and magnetic conductivity is applied in sports accessories, training equipment for adjusting the cardiovascular system, training equipment for adjusting coordination, etc. To achieve the effect of reducing production costs and environmental pollution
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Embodiment 1
[0029] 1) In the 30-80 mesh iron powder, add the manganese sulfide of 5% iron powder weight and the sodium silicate of 5% iron powder weight and the graphite powder of 8% iron powder weight, stir evenly,
[0030] 2) Iron powder rings are pressed by a 300-ton hydraulic press;
[0031] 3) Then use 600 degrees in the front part of the electric furnace for 10 minutes, and use 1100 degrees in the back part for 10 minutes;
[0032] 4) Then go through 300-600 tons of hydraulic secondary pressing to form. Cool naturally after being baked.
Embodiment 2
[0034] 1) In the 30-80 mesh iron powder, add the manganese sulfide of 3% iron powder weight and the sodium silicate of 8% iron powder weight and the graphite powder of 6% iron powder weight, stir evenly,
[0035] 2) Iron powder rings are pressed by a 300-ton hydraulic press,
[0036] 3) Then use 600 degrees in the front part of the electric furnace for 10 minutes, and use 1100 degrees in the back part for 10 minutes;
[0037] 4) Then go through 300-600 tons of hydraulic secondary pressing to form. Cool naturally after being baked.
Embodiment 3
[0039] 1) In the 30-80 mesh iron powder, add the manganese sulfide of 8% iron powder weight and the sodium silicate of 3% iron powder weight and the graphite powder of 12% iron powder weight, stir evenly,
[0040] 2) Iron powder rings are pressed by a 300-ton hydraulic press,
[0041] 3) Then use 600 degrees in the front part of the electric furnace for 10 minutes, and use 1100 degrees in the back part for 10 minutes;
[0042] 4) Then go through 300-600 tons of hydraulic secondary pressing to form. Cool naturally after being baked.
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