Powder metallurgy products have what kinds of essential oil methods
Heating oil immersion: Put the cleaned sintered product into 80~120℃ hot oil for 1 hour, because the product is heated, the air in the connected pores expands.
To remove some of the air. As it cools, the remaining air contracts again, drawing the oil into the pores. Because the hot oil has good fluidity and high lubricity, more oil can be immersed into the product. The efficiency of the immersion method is higher than that of ordinary immersion.
Vacuum oil immersion: Put the cleaned sintered products into the vacuum box, seal and evacuate to -72 mm Hg, then put oil into the vacuum box, and then heat to 80℃, keep for 20 to 30 minutes.
Because the air in the connected pores of the product is extracted, the oil can be immersed in the product within 10 minutes. This method has high efficiency and high speed.
Ordinary oil immersion: Put the cleaned sintered product into the oil (generally 20~30 oil) to soak, and the oil is under the action of the capillary force of the product.
Immersed into the pores of the product, this method of oil immersion efficiency is low, oil immersion time is long, takes several hours, and is used in products with low oil content.
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Material: Mainly produce stainless steel base, iron base, copper base, copper and iron alloy base. Products: Gear, flange, G Bushing, positioning ring, rotor, counterweight, valve disc, VVT parts, clutch parts, oil pump parts, bearings.
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