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Uygulama Geçmişi

A modern car wash in Germany cleans more than 110,000 cars p.a. The rotating unions for the washing heads failed due to ingress of water - the grease had been washed out. The maintenance was carried out by in-house staff. NSK identified that the current DGBB's were not suitable for this purpose. NSK proposed to change from the existing VV sealing arrangement, to Molded Oil bearings with DDU seals. After this change the bearings rotation unions were running without any problems.

Rotating Unions
  • Car Wash - Rotating Unions
Molded-Oil DGBB
  • Molded Oil Deep Groove Ball Bearings

Temel Bilgiler

  • In a modern German car wash bearings in the rotating unions failed
  • The maintenance was carried out by in-house staff
  • The grease was washed out of the bearings and they tend to get rusty
  • NSK proposed the use of Molded Oil bearings with DDU - double contact seals
  • After the change to Molded Oil bearings no further unplanned stoppages occured

Değer Önerisi

  • The customer experiended rusty bearings which failed bearings in the rotating union of a car wash
  • NSK investigated the reason for the bearing failure
  • The bearings had direct contact to the water of the car wash
  • The grease was washed out of the bearings
  • NSK suggested to use Molded Oil bearings with DDU sealing
  • With the new bearings the car wash had no further unplanned stoppages

Ürün Özellikleri

  • Available for wet applications
  • Available in ball bearing, spherical roller bearing and tapered roller bearings types
  • Rust-proof - Stainless steel for corrosive environments
  • Grease-free property with no oil refilling keeps operating environments clean
  • Operating life more than twice as long as grease lubrication, in water or dustcontaminated environments
  • Contact-seal type available in standard inventory for ball bearings
  • Achieves extended maintenance-free performance as Molded-Oil provides a continuous supply of lubricant
Maliyet Tasarrufu Dökümü
Önce Yillik Maliyet NSK Çözümü Yillik Maliyet
Rulman maliyeti € 12 250 Rulman maliyeti € 618
Mühendislik maliyeti € 38 Mühendislik maliyeti € 0
Kayıp üretim maliyeti: € 262 Kayıp üretim maliyeti € 0
Toplam Maliyet € 12 550 € 618

Referans:SS-TR-1-752

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