Method and equipment for manufacturing Babbitt alloy bearing bush
The technology of a babbitt alloy and a manufacturing method is applied in the manufacturing field of sliding bearings, which can solve the problems of slow temperature rise and the like, and achieve the effects of rapid heat generation, obvious energy saving effect and improved production efficiency.
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Embodiment 1
[0089] A method for manufacturing a babbitt alloy bearing bush, comprising the following steps:
[0090] (a) Rough bearing bush pretreatment
[0091] 1) Process the purchased standard-sized sliding bearing blanks through lathes, milling machines, etc., to remove burrs, flashes, etc.;
[0092] 2) Heat treatment and cooling treatment of the rough bearing bush: put the bearing bush in a heating furnace and heat it to 400°C, then heat it to 700°C and keep it warm for 6 hours; take the bearing bush out of the heating furnace with iron clamps and cool it to room temperature;
[0093] 3) Use a grinder to grind the inside of the bearing bush to remove the oxide layer, and after grinding, clean the bearing bush with a saturated zinc chloride solution, that is, apply the saturated zinc chloride solution to the inside of the bearing bush;
[0094] 4) The cleaned bearing blank is placed in a holding furnace for preheating, the preheating temperature is 200°C, and the preheating time is 4...
Embodiment 2
[0110] A method for manufacturing a babbitt alloy bearing bush, comprising the following steps:
[0111] (a) Rough bearing bush pretreatment
[0112] 1) Process the purchased standard-sized sliding bearing blanks through lathes and milling machines to remove burrs, flashes, etc.;
[0113] 2) Heat treatment and cooling treatment of the rough bearing bush: put the bearing bush in a heating furnace and heat it to 380°C, then heat it to 710°C and keep it warm for 5 hours; take the bearing bush out of the heating furnace with iron clamps and cool it to room temperature;
[0114] 3) Use a grinder to grind the inside of the bearing bush to remove the oxide layer, and after grinding, clean the bearing bush with a saturated zinc chloride solution, that is, apply the saturated zinc chloride solution to the inside of the bearing bush;
[0115] 4) The cleaned bearing blank is placed in the holding furnace for preheating, the preheating temperature is 190°C, and the preheating time is 45m...
Embodiment 3
[0131] A method for manufacturing a babbitt alloy bearing bush, comprising the following steps:
[0132] (a) Rough bearing bush pretreatment
[0133] 1) Process the purchased standard-sized sliding bearing blanks through lathes and milling machines to remove burrs, flashes, etc.;
[0134] 2) Heat treatment and cooling treatment of the rough bearing bush: put the bearing bush in a heating furnace and heat it to 410°C, then heat it to 690°C and keep it warm for 5.5h; take the bearing bush out of the heating furnace with iron clamps and cool it to room temperature;
[0135] 3) Use a grinder to grind the inside of the bearing bush to remove the oxide layer, and after grinding, clean the bearing bush with a saturated zinc chloride solution, that is, apply the saturated zinc chloride solution to the inside of the bearing bush;
[0136] 4) The cleaned bearing blank is placed in the holding furnace for preheating, the preheating temperature is 220°C, and the preheating time is 30 min...
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