Tag: NSK
Ball Screw RCA: Breakage of Ball Recirculation Parts
Damage Condition
Damage on the tongue of ball return tube (ball pick up finger).
Possible Causes
Rotational speed exceeded the permissible rotational speed (d•N)
Countermeasures
Use of...
Counterfeit bearings – know the risks
Counterfeit bearings are a global issue, with all markets susceptible to the risks of buying these low-quality products. As a leading manufacturer of premium-quality...
Ball Screw RCA: Indentations
Damage Condition
Indentations on the raceway at each ball location similar to the deformation caused by a Brinell Hardness Tester (Brinelling)
Indentations on a...
NSK saves nearly €3 million at steel mill
A steelmaker based in Poland is saving nearly €3 million per year after switching to NSK´s sealed-clean KVS bearings in its roll mill. Such...
Ball Screw RCA: Fretting
Damage Condition
Frettings are on the raceways caused by a relative small amplitude of rubbing between mated contact surfaces. (It is also called fretting corrosion...
Contributing to the Environment with a New Problem Solving Process “High-Durability...
A key mission of NSK is to create products that contribute to the environment. Using a variety of approaches, NSK is moving closer to...
Ball Screw RCA: Wear
Damage Condition
Severe friction resulted in serious wear on the rolling contact surface of raceways.
Possible Causes
Insufficient lubrication
Intrusion of contamination
Poor assemble accuracy (Misalignment)
Countermeasures
Review...
Machine Tools – NSK Precision for today and the future
https://www.youtube.com/watch?time_continue=10&v=ppyqHq1OEso&feature=emb_logo
NSK´s world class machine tool products and technologies are researched, designed and developed by our global expert teams in close partnership with our customers....
NSK helps casting shop save over €100,000 a year
A change of bearing type on the carousel of a casting line, coupled with a small
recommended design change, has led to savings of €100,095...
Bearing Failure RCA: Seizure
When a rolling bearing is damaged during machine operation, the entire machine or equipment can seize or malfunction. Since bearings that fail prematurely or...
