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Superfinishing machine
2020-11-16
These series of superfinishing machines do superfinishing processing in the way of centerless penetration for the outer surface of the bearing ring, needle roller, cylindrical roller, taper roller, oil needle, plunger, valve core.Under the basis of grinding process, the superfinishing processing can improve the surface quality and the geometrical p... These series of superfinishing machines do superfinishing processing in the way of centerless penetration for the outer surface of the bearing ring, needle roller, cylindrical roller, taper roller, oil needle, plunger, valve core.Under the basis of grinding process, the superfinishing processing can improve the surface quality and the geometrical precision. The superfinishing machines have the features of high efficiency, high precision, and hgih reliability etc. They are widely used in the industry of the bearing, car, motorcycle, oil pump and hydraulic parts, especially suited for superfinishing the crowned taper roller bearing and cylindrical roller bearing.Through special designing and processing the guide roller, several crown types of rollers, such as arc full crown type, logarithmic type can be achieved. /bearing-manufacturing-equipment/superfinishing-machine.html View Details
How to measure bearing noise
2020-09-16
Bearing noise is generally divided into:1. Bearing inherent noise-the noise emitted by the bearing itself, such as raceway noise, etc;2. Noise caused by manufacturing errors of bearing parts, cage impact,&... Bearing noise is generally divided into:1. Bearing inherent noise-the noise emitted by the bearing itself, such as raceway noise, etc;2. Noise caused by manufacturing errors of bearing parts, cage impact, excessive radial clearance, etc., such as high-frequency vibration caused by waviness;3. Noise related to the improper use of the bearing-due to the improper use of the bearing, the noise caused by the ]indentation, rust and the intrusion of foreign particles. Evaluate the physical quantities and parameters of bearing noiseThe physical quantities for evaluating bearing noise can be characterized by sound pressure, sound intensity, sound power and loudness, and the units are N/m2, W/m2, W and sone.Same as vibration acceleration, it is commonly used to characterize sound pressure level, sound intensity level, sound power level and loudness level. The units of sound pressure level, sound intensity level, and sound power level are all dB, and the unit of loudness level is phon. Bearing noise is generally assessed by sound pressure level.Bearing noise measurementThe most commonly used and simplest instrument for measuring noise is a sound level meter. Generally, the weighting network A is used to measure and evaluate the size of the noise. It is called A sound level, which is expressed in dB (A).Bearing noise measurement should be carried out in an anechoic chamber to distinguish bearing noise from environmental (background) noise. However, the construction cost of the anechoic chamber is relatively high, so the bearing vibration measurement is still used to replace the noise measurement. View Details
Take you to understand the bearing machine
2020-09-04
product nameBearing MachineThe main function? Measurement function: Measure the average value of inner diameter, taper value, inner groove diameter and outer groove diameter;?Feedback function: send correction or shutdown signal to the grinder according to the set program;? Cleaning function: aviation kerosene spray cleaning;? Counting function; cu... product nameBearing MachineThe main function? Measurement function: Measure the average value of inner diameter, taper value, inner groove diameter and outer groove diameter;?Feedback function: send correction or shutdown signal to the grinder according to the set program;? Cleaning function: aviation kerosene spray cleaning;? Counting function; cumulative total, qualified products, repaired products, and rejected products;? Sorting function; the qualified products, repaired products, and waste products are respectively sent to the corresponding material channel (hopper);? Self-calibration function: Automatically correct the detection error of the machine according to the set procedure;? Alarm function: Automatically detect the actions and measurement errors of each mechanism according to the set procedure, and immediately alarm when abnormal conditions occur;? Demagnetization function: The machine can be equipped with the function of demagnetizing the workpiece to be tested as required./key-bearing-machine-41/ View Details
Pitch bearing
2020-08-14
Pitch bearing is a kind of rolling bearing. The ball balls are installed in the middle of the inner steel ring and the outer steel ring, which can bear a large load. Also called ball bearings.The purpose of pitch bearing is to determine the relative position of two parts (usually the shaft and the bearing seat) and to ensure their free rotation, wh... Pitch bearing is a kind of rolling bearing. The ball balls are installed in the middle of the inner steel ring and the outer steel ring, which can bear a large load. Also called ball bearings.The purpose of pitch bearing is to determine the relative position of two parts (usually the shaft and the bearing seat) and to ensure their free rotation, while transmitting the load between them. At high speeds (such as in gyro ball bearings), this use can be extended to include free rotation with almost no wear in the bearing. In order to achieve this state, an adhesive fluid film called an elastohydrodynamic lubricating film can be used to separate the two parts of the bearing. Denhard (1966) pointed out that elasticity can be maintained not only when the bearing bears the load on the shaft, but also when the bearing is preloaded so that the positioning accuracy and stability of the shaft do not exceed 1 microinch or 1 nanoinch. Hydrodynamic lubrication film [1].Pitch bearing is used in various machines and equipment with rotating parts. Designers often have to decide whether to use a ball bearing or a fluid film bearing in a particular application. The following characteristics make pitch bearings more desirable than fluid film bearings in many occasions,1. The starting friction is small and the working friction is appropriate.2. Can bear combined radial and axial loads.3. Not sensitive to interruption of lubrication.4. There is no self-excited instability.5. Easy to start at low temperature./pitch-bearings-zys.html View Details
Do you know thin section bearing?
2020-06-19
Elastic sheet gas dynamic pressure bearings (Thin section bearing) are more and more widely used in aerospace and civil high-speed machinery (such as gas turbochargers, high-speed centrifuges, oxygen generators, air-jet spinning) because of their high-speed dynamic performance. Yarn machine, liquid rocket propulsion system, rail transporter) and ot... Elastic sheet gas dynamic pressure bearings (Thin section bearing) are more and more widely used in aerospace and civil high-speed machinery (such as gas turbochargers, high-speed centrifuges, oxygen generators, air-jet spinning) because of their high-speed dynamic performance. Yarn machine, liquid rocket propulsion system, rail transporter) and other fields. Their uniqueness lies in their outstanding performance, despite the weight and space constraints. Minimal, the usual square cross-section allows high precision of the mechanism. View Details
What are the commonly used crane bearing models?
2020-06-19
First of all, the bearing classification of cranes will be classified according to the different parts used. The common parts used for bearings are: wheel group bearings, hook group bearings, pulley group bearings, drum group bearings, guide wheel groups, anti-roller groups, horizontal wheel groups, Supporting bearings such as eccentric wheels. Cra... First of all, the bearing classification of cranes will be classified according to the different parts used. The common parts used for bearings are: wheel group bearings, hook group bearings, pulley group bearings, drum group bearings, guide wheel groups, anti-roller groups, horizontal wheel groups, Supporting bearings such as eccentric wheels. Crane is a mechanical equipment with several lifting parts. Crane bearing is an indispensable part of crane operation. Lifting machinery equipment is an indispensable part of modern production, and bearings are an indispensable part of cranes. The bearing is an important basic component of lifting equipment, and its accuracy, performance, life and reliability play a decisive role in the accuracy, performance, life and reliability of the host. In hoisting machinery, bearings are high-precision products, which not only need comprehensive support from mathematics, physics and many other disciplines, but also require materials science, heat treatment technology, precision machining and measurement technology, numerical control technology and effective numerical methods and powerful Computer technology and many other disciplines serve it. View Details
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