Fafnir Super

FAFNIR SUPER PRECISION BEARING 3MM9126WICRQUH New in box
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US $5,996.96

FAFNIR 2MM9340WI CR DUL 2MM9340WICRDUL SUPER PRECISION THRUST BALL BEARING NEW
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US $5,425.20

Fafnir Super Precision Angular Bearing 3MM9126WI CR FUL
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US $3,495.00

FAFNIR 3MM9118WI DUL SUPER PRECISION BEARING ½ SET NIB
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US $2,250.20

Fafnir 3MM9120 WI DUL Super Precision Bearing
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US $1,653.00

Fafnir 2MM9120WI DUH Super Precision Bearing
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US $1,653.00

Fafnir Super

Machine bearing How can we guarantee the quality

At present, China Machine tool Industry is toward "high-speed, complex, sophisticated, intelligent and Environmental protection "The five aspects of development, the new technology, new materials, new technology will be widely used. The market for large size, large size, large tonnage increased demand for CNC machine tools; customers generally required to have the composite machine tool, flexible and multi- axes and so on. More importantly, with high accuracy, high speed, high-efficiency products will be special features of the machine tool favored by the market.

We all know, spindle Bearing Accuracy, quality is the key factor affecting the performance axis. For how to define the accuracy of a precision bearing rank, ISO / ABEC (ABEC Bearing Manufacturing Association of the United States belongs to ring bearing Works Committee) only defines the width of inner and outer tolerance, roundness, perpendicularity, taper, axial runout and radial beat. However, if we allow to achieve high-precision spindle, high speed, high rigidity and low vibration heat a small request, you need the parameters of the bearing itself more control.

Precision angular contact ball bearings for the customer to increase the ISO / ABEC is not defined by the parameters, including pre-set tolerance, functional testing, traceability and micro code, cleanliness, raceway curvature, grade and ball roundness surface processing (functional and non-functional surface), steel specifications, the cage with the design and installation of chamfering and so peaceful. The definition of these parameters to improve the precision angular contact ball bearing product quality, thus improving the performance of machine tool spindle.

Example, TimkenFafnir super precision angular contact bearings are pre-set deviation at ± 2 m. However, similar products in the industry of the tolerance can be as high as ± 8 m, which will result in a pre-set to the name of the actual bearing preload 560N can be between 178 ~ 980N. As for the 40mm diameter ball screw support bearings, the excessive amount of pre-set tolerances in the ± 8 m deviation can lead to pre-set at ± 35% change between. As a result, prevent any deviation of bearing manufacturers preload a result of rolling large slip, fever, and system bearing damage caused by unloading, thereby increasing the normal operation of machine time.

Before leaving the factory, super precision angular contact ball bearings have been 100% functional test, vibration filtering through digital analysis of ultra-precision angular contact ball bearing test, to ensure quality and application performance bearings. All test results are traceable.

Cleanliness (Cleanliness) Cleanliness is critical for precision bearing products, such as Fafnir super precision bearing components to spend multi-stage solvent cleaning 3h, in order to avoid contamination of bearings, to prevent the inherent pollution. Also, the work of the non-grinding bearing surface, bearing at the factory to ensure no impurities. Thus, the production of bearing products to increase machine uptime.

The same time, in the production process, the technical staff also controls the curvature of raceway and ball of the level of uniformity and to reduce the vibration, thus reducing heat.

Cage (Cage) Cage for machine tool bearings are key to the cage will affect the performance of machine bearings in high speed rotation stability. Production of standard cage with phenolic resin materials, interior design and Pocket tight gap tolerances and control to guide the surface, to ensure the cage in the high-speed operation, lubrication and dynamic stability of the optimal load.

Production of precision angular contact ball bearings are the Fafnir brand. Precision angular contact ball bearings are mainly two kinds of structural design methods: the WI series of high rigidity and high rotational speed of the HX series to meet different application requirements. Basic, open FafnirHX bearing design with a higher spindle speed and greater dynamic radial stiffness, the spindle can be cut shorter period of time more material, while maintaining excellent product tolerances. These improved thanks to a unique body with precision ball raceway design the perfect combination of contour, and thus further improve processing efficiency.

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