introduction:The vehicle shall work within the rated load range,If serious overload will directly cause hub 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。]Over duty,It will cause early failure of automobile hub bearings,What is more serious is that it will cause vehicle failure and personal safety accidents; It is forbidden for automobile hub bearings to be subjected to abnormal impact loads; Periodical inspection
2015-01-09 Reading quantity 1540
introduction: Consisting of two having the same outside diameter﹑Tooth profile﹑A precision Angle measuring tool composed of the end gear disc of the pitch(See Length measuring tool)。figure 1440Tooth multi-tooth indexing table The shape of the multi-tooth indexing table。The upper gear plate is lifted during measurement﹐And rotate an Angle according to the basic value of the measured Angle﹐Then lower and reengage the lower gear disc﹐Compare the rotated Angle with the measured Angle﹐The error of the measured Angle can be measured。A multi-tooth indexing table is often combined with an autocollimator﹐Used to test polyhedral edges﹑Angle gauge block﹑Optical rotary table, etc﹐Or with a micrometer(See comparator)Equal combination
2015-01-09 Reading quantity 2889
introduction:Retarder is widely used in modern machinery,Such as cement truck、Mast crane、Container crane、Rotary jib crane、Ferris wheel and so on。CadWhen the design engineer draws the engineering drawing of the reducer,It is often necessary to reflect the internal structure of the assembly in the drawing,At this point, some parts need to be processed,So that internal results can be displayed,Check early to make changes,In order to ensure the smooth completion of the entire production cycle。Below in three dimensionsCADSoftware vision3DFor demonstration tool,How to set the parameters,Improve work efficiency。 Reduction gear
2015-01-09 Reading quantity 2802
introduction: 1.1 Check whether the model specifications are in accordance with the requirements of the drawing, including the size of the anchor bolt holes,Locate the size and position of the pin holes 1.2 Check intermediate 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。]The appearance is defective,Such as,Be injured by a collision,Especially the viewing plate,Oil level gauge,grid,Pressure temperature
2015-01-09 Reading quantity 1553
introduction:Our company is in90At the beginning of the decade, the automatic production line of nitrogen-based controlled atmosphere chain casting furnace was appliedGCr15Steel 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。]Ring quenching、temper。Quenching medium is mainly usedN32Machine oil。As the size of the ring increases,Sometimes appear
2015-01-09 Reading quantity 1463
introduction:The milling technology of PCB NC milling machine includes the choice of cutting direction、Compensation method、Positioning method、Structure of frame、Cutting point。All are important aspects to ensure milling accuracy。 Cutting direction、Compensation method When the cutter cuts into the plate,One cut face is always facing the cutting edge of the milling cutter,The other side is always against the cutting edge of the milling cutter。The former,The finished surface is smooth and clean,High dimensional accuracy。The main axis always turns clockwise。So whether it is a CNC milling machine with a fixed spindle movement or a fixed spindle movement of the table,When milling the outer outline of a printed board,Use counterclockwise cutting direction。This is
2015-01-09 Reading quantity 2799
introduction:1、timkenbearing[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。]Maintenance of、overhaul、And exception handling In order to maintain the bearings original performance in good condition for as long as possible,Must be maintained、overhaul、To prevent accidents before they happen,Ensure the reliability of operation,Increase productivity、economy。It is best to maintain the corresponding mechanical running bar
2015-01-09 Reading quantity 1446
introduction: Deep groove ball 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。] The most representative rolling bearings,versatile Can withstand radial load and two-way axial load Suitable for high speed rotation and low noise requirement、Low vibration situations Inside sealed type bearing with steel dust cover or rubber seal ring
2015-01-09 Reading quantity 1467
introduction:Seals for bearings[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。]Is extremely important,If there is a problem in the sealing part, it will have a great impact on the bearing,If the shape is irregular、meat-poor、Seals with small cracks and other defects are not acceptable。 The sealing test of bearings is conducted on the sealing part of the assembled cylinder and its connection
2015-01-09 Reading quantity 1576
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。]It has been widely used in many industries,Like aeronautical engineering、Metal cutting machine tool、Iron and steel processing equipment、converter、Casting equipment、Rolling mill、Mechanical transmission equipment、Paper making machinery、Cement machinery and so on,The range of applications is very broad,Therefore, the requirements for bearings are also very high,Bearings are manufactured by machinery
2015-01-09 Reading quantity 1549