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introduction：TiNcoating TiC（Titanium carbide），TiN（Titanium nitride）There are roughly two kinds of coating methods for such hard substances，Chemical vapor deposition（CVDmethod）And physical vapor deposition（PVDmethod）。 The temperature of chemical vapor deposition method is900-1100℃，Has exceeded the tempering temperature of high-speed steel，Therefore, it can not be used for the surface coating of high-speed steel。 The temperature of physical vapor deposition is lower，in500℃below，Suitable for high speed steel tap，Coating of milling cutter，Physical vapor deposition method is the most representative，The most commonly used isHCDIon plating process。 HCDThe basic process of ion plating
2015-01-09 Reading quantity 2810
introduction： The quality of heat treatment is directly related to the subsequent processing quality, which ultimately affects the service performance and life of parts，At the same time, heat treatment is a large energy consumption and pollution in the machinery industry。In recent years，With the progress of science and technology and its application in heat treatment，The development of heat treatment technology is mainly reflected in the following aspects： （1）：Heat treatment: Waste water formed during heat treatment、Exhaust gas、Waste salt、dust、Noise and electromagnetic radiation will cause pollution to the environment。Solve the environmental pollution problem of heat treatment，Perform clean heat treatment（Or green heat treatment）Heat treatment technology in developed countries
2015-01-09 Reading quantity 1457
introduction：As everyone knowsINAbearing[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。]Sales of、Quality、Quality is in the forefront of the world，Has its professional production line，After a strict process of factory inspection，Sold all over the world，To support the industrial development of the world。INAImported bearing[Imported bearing:Simply say imported bearing generation
2015-01-09 Reading quantity 1554
introduction：one、Superheat phenomenon We know that in the heat treatment process, overheating is most likely to lead to the coarseness of austenite grains，The mechanical properties of the parts are reduced。 1.General superheat：The heating temperature is too high or the holding time under high temperature is too long，Causing austenite grain coarsening is called superheating。The coarse austenitic grain will lead to the decrease of the strength and toughness of the steel，The brittle transition temperature increases，Increase the tendency of deformation and cracking during quenching。The cause of overheating is that the furnace temperature meter is out of control or mixing（Often happens without understanding the process）。The superheated tissue can be annealed、After normalization or multiple high temperature tempering，Under normal conditions, the grains are refined by re-austenization。
2015-01-09 Reading quantity 1543
introduction：1 Heating of heat treatment、The thermal insulation is based on the instrument temperature。Throughout the heat treatment process，It is necessary to check frequently that the temperature of the furnace and the workpiece is consistent with the temperature indicated by the instrument。If there is a problem，Notify the electrician to check and repair the instrument in time。 2 Heat treatment workers should do three times：Keep an eye on the furnace temperature、Keep an eye on the material temperature、Frequent regulation control，Ensure that the temperature in each part of the furnace is uniform，Maintain positive pressure in the furnace。 3 normalizing、quench、temper、The annealing temperature is selected comprehensively and controlled strictly according to the instructions in actual operation，Is to ensure the quality of heat treatment
2015-01-09 Reading quantity 1559
introduction： [Chinese library classification number]TIB36[Document identification code]A[Article number)1000-0682(2004)01-0026-03 Controller LANCANIs a kind of high confidentiality，Serial communication network that effectively supports distributed control and real-time control。CANBus belongs to the field bus category，Compared with other existing buses，Its a distributed type、digitization、bidirectional、multisite、Multivariable communication system，Has a high communication rate、Strong reliability、Easy connection、Performance price is higher than many advantages，Very suitable for distributed measurement systems
2015-01-09 Reading quantity 2900
introduction：The use factor mainly refers to the installation adjustment、Service and maintenance、Whether the maintenance and repair meet the technical requirements。On the basis ofINAbearing[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。]Install、Use、maintenance、Technical requirements for maintenance，The load on the tapered roller bearing in operation、Rotational speed、Operating temperature、Vibration、Noise and lubrication conditions are monitored
2015-01-09 Reading quantity 1615
introduction：1.Precision improvement method Imported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]After the installation on the host is complete，Such as measuring the radial runout of the spindle，It can be found that the measured value of each turn has a certain change；When measuring continuously，It can be found that after a certain number of revolutions，This change is approximately repeated。The index to measure the degree of this change is the rotation accuracy of the cycle，The variation is approximately repeated by the number of revolutions required to represent the accuracy of the cycle rotation
2015-01-09 Reading quantity 1555
introduction： Working principle The freezing process of materials，On the one hand, the vacuum system vacuums a part of the water away，On the other hand, when the material is frozen, the water content in some molecules is discharged to the surface of the material to freeze。After meeting freezing requirements，The material is heated and dried by the heating system，The water contained in the material is taken to the freezer by vacuuming to freeze，Meet the requirements of freeze-drying materials。 ,&nb
2015-01-09 Reading quantity 2820
introduction：one：Common term Hon Hai Hon Hai CMM Component module move Mobile assembly integration CEM Contract Manufaction service Contract consignment IBSC Internet Business Solution Center International Internet Applications Center PCEG Personal Computer Enclosure group personage
2015-01-09 Reading quantity 2805
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