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introduction：The working principle of argon tungsten arc welding is adopted， It uses the arc burning between the non-melting electrode tungsten rod and the weldment as a heat source，The stainless steel plate is self-fused to form a weld。 The plate and arc zone and the molten stainless steel are protected by argon gas，Isolate it from the air。Because argon is an inert gas，It does not interact chemically with metals，It does not melt into metal，Therefore, oxidation of weld metal and burning of alloying elements can be avoided。The welding process is simple and easy to control。For this reason, we designed our own electronic control equipment，Make the weld surface smooth after welding、No secondary processing required，Just polish，Can achieve bright without trace，And no weld can be found。Welding in progress
2015-02-26 Reading quantity 2793
introduction：2.1 Casting processCAD In the casting process design process，There are a lot of tedious math calculations and a lot of table lookup choices and so on，Only the personal experience and manual operation of the process designer，Not only does it take a lot of time，And design results often vary from person to person，It is difficult to guarantee the quality of castings，60Since the ages，Especially into80post-decade，With the rapid development of electronic computer technology，Computer aided design (CAD) technology has been applied more and more widely in industry，Also for the scientific casting process design、Precision provides a good tool，It has become an important content of foundry technology development and production development
2015-02-26 Reading quantity 2786
introduction： bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]After pressing into the angular contact ball bearing, it should rotate flexibly without blocking。If there is obvious rotation is not flexible，It means that the size of the shaft is too large，Tolerance to be reduced。If the bearing is pressed into the shaft, the hand rotation is obvious“Shasha”A sense of，It may be that the tolerance of the shaft is too large or the roundness of the shaft is not good。So in control well
2015-02-26 Reading quantity 1443
introduction：This paper is based on the process characteristics of boiler pressure vessel，A new method for boiler pressure vessels is proposedCAPPSystem development platform，The development platform can retrieve existing processes，Can also be based on typical processes，The process is derived by group technology，At the same time, it can also create the process and design the process that meets the needs of users through appropriate human-computer interaction。From the practical point of view, the boiler pressure vessel is better solvedCAPPThe adaptability of the system。 The process design of boiler pressure vessel is to provide technical services for the production management of enterprises，Whether the system is practical or not is an important symbol of the success or failure of the system
2015-02-26 Reading quantity 2891
introduction：Oil film bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Oil lubrication management and use requirements (one)、The lubricating management data of oil film bearing oil show that，The main cause of mechanical failure or early wear，More than half are related to lubrication technology management。Good lubrication management，Guard bearing、Chafing or rubbing of moving parts such as gears
2015-02-26 Reading quantity 1446
introduction：Be used forTIMKENbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The grease inside must have anti-rust effect，Rust inhibitor preferably insoluble in water。Grease should have good adhesion，And can form an oil film on the surface of the steel，Grease softens during machining，Lead to leakage。Normal running time，Oil will be produced byTIMKEN
2015-02-26 Reading quantity 1450
introduction：KOYObearing[KOYObearing:kOYOBearings are generally required to bear large loads，Often without a cage，Instead, fill the inner and outer raceways with rolling elements。And most small and medium-sizedKOYORolling bearings are equipped with retainers。 inKOYOBearing in the processing process，The outer ring of the bearing、Inner ring、How do the roller and cage fit together。]The installation or no quality，It will affect the bearing accuracy，Life and performance。therefore，Bearing in full study，Contains standards to follow，Including the following matters bearing installation operation installation。 First of all，Clean bearings and related parts Grease lubricated shaft
2015-02-26 Reading quantity 1570
introduction： To maximize the durability of the cooling lubricant during the finishing process，KnollThe machine building company has introduced a new type of vacuum filterVL,Its distinctive feature is an extremely dry, dense filter cake。 There are30years-oldKnoll，It is a company engaged in the treatment of cooling lubricants in machine tool operation,That is to solve the chip transport、Cooling lubrication media filtration and suction and other issues of professional companies。2003years，The companys sales were6,300Ten thousand euros，than2002Slight annual increase。2004The growth rate of annual sales is expected to be5%。In addition，KnollCompanys message
2015-02-26 Reading quantity 2784
introduction：When the new reducer is used，hutorium300Hours later，New oil is needed，Every subsequent use2500The oil needs to be changed every hour，However, the quality of the oil should still be checked regularly during use，If the oil has impurities，aging，metamorphism，Must be replaced at any time。 The reducer should use a fixed brand、Number of gear oil，Should not be different brands、Number or different types of oil used in a mixture。During the oil change，The inside of the reducer should be cleaned first，Refill with new oil。 During use，When the oil temperature is found too high（exceed80℃above）when，As well as abnormal noise and other phenomena，Discontinue use immediately，Against it
2015-02-26 Reading quantity 2869
introduction：To enable mechanical industrial products in installation、Maintain good technical condition during debugging and operation，By the product manufacturing enterprises to provide users with various organizational measures and technical measures of service。Technical service is an important link of modern industrial management，It is helpful for users to improve the technical and economic effects of using mechanical products，It is also conducive to the enterprise itself to improve product quality and improve product structure，It also provides basis for business decisions such as expanding market and sales。 Main content Technical services include 7Various aspects of the content。①Information service：The technical service organization shall establish long-term relationships with representative users、steady
2015-02-26 Reading quantity 2785
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