German Angst+Pfister bearings, Angst+Pfister models, Angst+Pfister prices

Angst+Pfister bearings can simultaneously withstand radial and axial loads. They can operate at higher speeds. The greater the contact angle, the higher the axial load capacity. The contact angle is the angle between the line connecting the contact points of the ball and the raceway in the radial plane and the perpendicular to the bearing axis. High-precision and high-speed bearings typically use a 15 degree contact angle. Under axial force, the contact angle increases.

Angst+Pfister bearing classification and applications

1) Standard linear bearings, clearance-adjustable linear bearings, open-type linear bearings, extended-length linear bearings, and general-purpose linear bearings. 2) Flanged linear bearings can be divided into: round flange type, square flange type, oval flange type, guided round flange type, guided square flange type, guided oval flange type, and extended round flange type. Structural characteristics of the two major series, except for differences in dimensions, and bore diameter tolerances, their structures are largely the same. Classified by shape: 1) Cylindrical type (shaped like a cylinder, typically installed with retaining rings, used in applications with small installation dimensions) 2) Flanged type (with mounting flanges at the ends or in the middle, can be installed with screws; flanges are generally categorized into round, square, and cut-edge types) 3) Open type (shaped like a cylinder, with axial slits on the outer surface, used in applications requiring clearance adjustment; available in large-opening and small-opening 2 types) Classified by performance: 1) Standard type (for applications with general performance requirements). 2) Super type (for applications requiring long service life and high load capacity). Linear bearings are seeing increasingly widespread adoption in precision equipment and specialized machinery industries, including electronic devices, food machinery, packaging machinery, medical machinery, printing machinery, textile machinery, general machinery, instruments, robots, tool machinery, CNC machine tools, automobiles, and digital three-dimensional coordinate measuring equipment.

Angst+Pfister bearing structure composition

Ball bearings mainly consist of four basic components: balls (ball), inner ring (inner ring), outer ring (outer ring), and cage (cage or retainer), as shown in the figure. Industrial ball bearings generally meet AISI52100 standards. The balls and rings are usually made of high-chromium steel, with Rockwell Rockwell C- scale hardness hardness approximately between 61-65. Materials include metals (such as medium-carbon steel, aluminum alloy) or non-metals (such as Teflon, PTEF, polymer materials). Rolling bearings (rolling bearing) have lower rotational friction resistance than journal bearings (journal bearing); therefore, at the same speed, the temperature generated by friction is lower. Ball bearings are generally used in low-load mechanical transmission equipment. Because the load-bearing area of ball bearings is small, severe mechanical damage is likely to occur during high-speed operation. Therefore, needle roller bearings are often used in heavy-load mechanical transmissions to increase the load-bearing area, improve mechanical transmission efficiency, and reduce mechanical damage. Ball bearings change the friction mode of the bearing to rolling friction, which more effectively reduces friction between bearing surfaces, extends the service life of fan bearings, and thereby extends the service life of heat sinks. The disadvantages are a more complex manufacturing process, increased cost, and higher operating noise.

Angst+Pfister bearing applications

In terms of function, it should be support, literally meaning to bear the shaft, but this is only part of its function. Support essentially means being able to bear radial loads. It can also be understood as fixing the shaft. Bearing selection data is included in Kuaiyiyou Automation. It fixes the shaft so that it can only rotate, while controlling its axial and radial movement. A motor cannot work without bearings because the shaft might move in any direction, whereas the motor requires the shaft to only rotate during operation. Theoretically, transmission would be impossible; furthermore, bearings affect transmission. To reduce this impact, good lubrication must be achieved in bearings on high-speed shafts. Some bearings are already lubricated, known as pre-lubricated bearings, while most bearings require lubricating oil. This is responsible for preventing increased energy consumption due to friction during high-speed operation, and more critically, preventing easy bearing damage. The statement that sliding friction is converted to rolling friction is one-sided, because there is such a thing as sliding bearings.

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