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Topic: FU iron bushing-powder sintered bushing sleeve bearing Factory

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FU iron bushing-powder sintered bushing sleeve bearing Factory
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Copper set of when to use best
Copper set of when to use bestWhat methods of copper casting setsWhat defects in copper casting setsCopper casting sets the dearth of rolling bearing bushing depression and how to solveCopper is a very broad set of names.Copper sleeve is a kind of sliding of rotating machinery using reduce friction and driving force and the function of copper set of support components.Copper set of commonly used materials include ZCuSn10Pb1, ZCuSn10Pb5, ZCuPb10Sn10, ZCuPb15Sn8, ZCuZn38Mn2Pb2, etc.Copper ring, also known as "copper bearing".Copper set of production process include: forging, heat treatment and grinding process monitoring, finally also need to manage the logo.So the copper set of casting method exactly whatLet us know immediately.


Copper set of when to use bestCopper set of casting methods:


1, the FU iron bushing-powder sintered bushing production in the most common method of copper busbar is sand casting, it has the advantages of wide adaptability, production preparation is simple.But using the castings produced by this method, the dimensional accuracy and surface quality and internal quality far cannot satisfy the requirement of mechanical parts, and the production process is complicated, realize mechanization, automation production and investment is huge, in the production of some special parts and special technical requirements of the casting, the technical and economic index is low, therefore, the application of sand mold casting in foundry production by restrictions.


2, in addition to its sand mold casting, special casting by changing the mold material, pouring method, the form of liquid metal filling mold or casting solidification conditions etc., has formed a variety of different from the other casting sand mold casting method.The foundry workers is different from other casting sand mold casting process method, referred to as special casting.Common special casting method in mechanical manufacturing industry are:


(1) investment casting.It is using high-performance type shell and meltability model (cast) to cast high dimensional accuracy and low surface roughness value of no or less cutting casting method.


(2) the metal mold casting.It is realized by using metal mold casting cooling speed, type casting, get more dense crystal structure of casting method.


(3) the pressure casting.It is by changing the filling of liquid alloy solidification and crystallization conditions, make the liquid alloy under the condition of high pressure, high speed filling mold, and forming and crystallization under high pressure, can achieve the precision casting method.


(4) epc.It is similar to the casting size shape foaming plastic model binding into family, brush after refractory coating and drying, buried in the quartz sand vibration model, and then pouring liquid metal under certain condition, the model of vaporization liquid metal and make the model position, after waiting for liquid metal solidification cooling form required for casting method.


(5) the centrifugal casting.It is by changing the conditions of liquid alloy mold filling and solidification, the effect of using centrifugal force to casting and other special casting method.


(6) slide bearing casting.It is by changing the mold material, selects the high quality refractory and adhesive, using special grouting forming method, get the size precision, smooth surface of the cavity, so thick.



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