Home>Bearing knowledge> Why is KOYO bearing easy to attack noise?

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Why is KOYO bearing easy to attack noise?

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KOYO Bearing is the earliest in the Japanese bearing industry; the largest KOYO bearing company is planned; so its products are often more concerned by everyone; and the usual KOYO bearing users; KOYO bearings announced that noise is inevitable Why does KOYO bearing cause noise?
First of all, we must know; KOYO bearing sound is caused by the rolling body rolling on the raceway surface; this is the basic feature of all KOYO bearings. The spherical KOYO bearing is not the same; the spherical KOYO bearing's rolling momentum is not Regular; its main frequency does not change with the speed; but its total sound pressure level is added with the acceleration of the speed. KOYO bearings with large rolling sound; the sound pressure level of the rolling sound is reduced with the addition of viscosity, and rolling The KOYO bearing with small sound; its sound pressure level increases when the viscosity increases to above 20mm2/s; from the reduction to the increase. The rigidity of the KOYO bearing seat is larger; the total sound pressure level of the raceway sound is higher. Low. If the radial clearance is over. 龅 淖苌辜 淖苌辜 淖苌辜 髌 髌 髌 崴孀啪 崴孀啪 崴孀啪 崴孀啪 蛴 蛴 蛴 缭黾 缭黾 缭黾 缭黾 缭黾 操控 操控 操控 操控 操控 操控 操控 操控 操控 操控 操控 操控 操控 操控 操控 操控 操控 操控 操控 操控. Small KOYO bearings; carefully select the operating conditions. The raceway sound often affects the noise of the entire machine; reducing the raceway sound can reduce the noise of the entire machine.
Secondly; the impact sound of the rolling body and its control method. The larger type of ball KOYO bearing or cylindrical roller KOYO bearing works at low speed under pure radial load; because the centrifugal force of the rolling body is more apologetic than the τ apology岢寤鞅3 芑蚬龅 Indigo 3. 鲈肷. But as the speed of rotation progresses; this movement will disappear. The control methods for the roll impact sound are: appropriate reduction of radial clearance; use of reasonable layout and data KOYO bearings with a sturdy cage.
Finally; the rolling sound of KOYO bearings and its control method are the sharp metal conflicts of cylindrical roller bearings that may occur in all occasions; most of them occur in the larger type of greased KOYO bearings; It is easier to attack in smooth fat with functional deterioration; it does not occur when the oil is smooth. In addition, it is easy to attack in winter; when it receives pure radial load; it is easy to attack when the radial clearance is large; Different; it is easy to attack in a certain range of speed; it will be intermittent and intermittent. The special processing method of the outer ring raceway can avoid the appearance of rolling sound; if necessary, this KOYO bearing can be used; or Properly reduce the radial clearance of KOYO bearings; use the excellent smooth grease and improve the rigidity of KOYO bearing-like parts.

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