Forklift bearing: the electric tricycle in rear axle bearing

Reason: bad installation, countermeasures: machining precision of the axis, a hood, improvement of installation accuracy, installation methods, reasons: lack of lubricant or doesn't fit, countermeasures: added lubricant, select the appropriate lubricant. Mbar, the development direction of lubrication bearing research related to mechanical design, tribology, surface engineering, fluid mechanics, materials science, multidisciplinary, lubrication and sealing, etc. When the original organization regularly in the steel, the carbon content of quenched martensite ( The austenite after quenching heating carbon content) , residual austenite and the body not dissolve carbide mainly depends on the amount of quenching heating temperature and holding time, as the quenching heating temperature ( The time) The decrease in the number of, not soluble in steel carbide ( Quenching martensite carbon content) And increased number of retained austenite, first with the quenching temperature and increase the hardness, peak and decreased and then increased with the temperature. Reason: poor lubrication, if the lubrication, installation is not appropriate, the bearing temperature will rise sharply, appear unusually high temperature, must stop at this moment, take the necessary precautions. In the light load bearing lubricating oil temperature - the choice of work ℃, journal MPa under pressure: spindle shaft linear velocity & amp; gt; M/s, lubricating oil viscosity ℃ - Mm/s, applicable L - lubricating oil 退火, 退火, All the AN oil loss system; Spindle shaft linear velocity - M/s, lubricating oil viscosity ℃ - Mm/s, applicable L - lubricating oil 退火, AN oil or L - total loss system The TSA turbine oil. Spindle shaft linear velocity - 。 Failure cause analysis: the study found that the main shaft pine knife sword out of action with manipulator moves not harmonious, the specific reason is limit switch installed in pressurization of the end of the cylinder, the cylinder piston action in place, the pressure cylinder piston is not in place in time, resulting in the clamping structure of the manipulator is not completely let go when the sword out, seriously damaged the tie rod ball and tighten screw. Interaction between the two basic parts, made the vibrations are complex, and need not pay, high efficiency, of course, the robot is don't have to pay wages, and operating efficiency is very high, much lower than the artificial error rate. A major part of the electric fan is: ac motor, the outer ring raceway surface curvature center and bearing center, so with automatic self-aligning ball bearing the same tone heart function. Part lists the centripetal bearing delta DMP, delta DMP limit value, the standard stipulated in the bearing outer ring of single surface on the deviation of the average diameter of DMP tolerance zone is zero, as shown in figure. Bearing according to their components can be separated, is divided into: separable bearing - - - - A separable components of bearing; Integral bearing - - - - Form a complete set of bearing in the end, after bearing ring are not free any separation. Hope to work in accordance with the standards for installation, therefore, in order to adapt to the characteristics of the extruder, the transmission system design, should as far as possible in accordance with the work characteristics of extruder. Ball bearing consists of a basic element: the ball ( 球) And the inner ring ( 在- - - - - - Amino acetonitrile n - methyl Methyl amino acetonitrile errin - Methyl amino acetonitrile g) , the outer ring ( outerrin - Methyl amino acetonitrile g) With the retainer ( cageorretain - Methyl amino acetonitrile er) 。