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Introduction of Performance by Use
1 Automotive Manufacturing Equipment

Maintenance Free, Long Life even in Severe Environments

Actual results from welding machines, the most Ball deterioration
severe environment in automotive plants
Sample No.1 Sample No.2
Operating conditions (without NSK K1) (with NSK K1)

Sample: LH300200ELC1-PCZ
No.1: Double seal + Protector (no NSK K1)
No.2: NSK K1 attached + Single seal + Protector

Tested on the same welding machine at the same place in automotive
production line

Sample No.1: 10.5-month operation
Sample No.2: 13-month operation

Rail raceway deterioration

Comparison after running Sample No.1 Sample No.2
Sample No.1 (without NSK K1) (without NSK K1) (with NSK K1)

: Rail and ball slide raceways and balls showed rust and
extensive deterioration

Sample No.2 (with NSK K1)
: Rail and ball slide raceways and balls had no rust and
only slight deterioration

Merit Comparison of lubricant consumption
Estimated oil consumption in the test equivalent to 5
• Reduced expense for lubricants (see graph in the right) years running (for 4 LH45 slides)

• No oil or grease supply systems required 35 000
Reduced equipment cost
30 000 0.3 cm3 × 16 hr/day
• Improved machine design time and efficiency 25 000 × 340 days/year × 5 years
No piping design required × 4 slides 32 640 cm3

• Long-term maintenance free Lubricant volume, cm3 20 000
Reduced maintenance cost
15 000
• Better for the environment
NSK K1 reduces lubricant consumption, minimizes waste
oil

10 000

5 000 59 cm3 × 4 slides
0 236 cm3

NSK K1 with grease Oil lubrication