Tokyo, Japan, November 6, 2012 - NSK Ltd. (NSK; Headquarters: Tokyo, Japan; President and CEO: Norio Otsuka) today announced that it will launch a new mid-size high-speed SS series ball screw and support unit for high-speed and heavy-load in February 2013. NSK is targeting one billion yen in sales for these products by 2015. NSK will display them at the 26th Japan International Machine Tool Fair (JIMTOF 2012), to be held from Thursday, November 1 to Tuesday, November 6 at Tokyo Big Sight (Koto ward, Tokyo).
In recent years, the demand for ball screws that feature higher speeds has increased along with the need for higher levels of productivity in machining tools and dedicated processing machines for such applications as automobile manufacturing equipment. Not only have the demands for higher speed increased, but also has the insistence on quicker delivery.
In order to meet the demand for higher speeds, NSK has utilized its proprietary high-speed, silent operation technology to develop the high-speed SS series as well as the midsize support unit that is compatible with high-speed and heavy load operations. Both of these products will be standard inventory, ensuring quick delivery.
Allowance dn: 160,000 (more than 2times that of conventional ball screws)
Accuracy : JIS C5 class
Preload type: offset lead preload (single nut)
Shaft end form: block shaft end
Installation dimensions: nut is interchangeable with conventional standard part
Models/variations: Stock of 9 models and 33 variations to cover a wide range of shaft diameters, leads and shaft lengths
Shaft diameter/lead combinations; max feed speed [m/min]
Diameter/Lead |
5mm |
10mm |
12mm |
16mm |
20mm |
Φ32mm |
25 |
50 |
|
|
|
Φ40mm |
20 |
40 |
48 |
64 |
80 |
Φ45mm |
|
35 |
|
|
|
Φ50mm |
|
32 |
38 |
51 |
64 |
*Red: planned
Shaft diameter, lead and shaft length combinations
unit: mm
Diameter |
Lead |
Screw shaft length |
Φ32mm |
5 |
650,950,1250,1550,1850 |
10 |
850,1050,1450,1850,2250 |
Φ40mm |
10 |
950,1450,2100,2900 |
12 |
1450,2100,2900 |
16 |
1450,2100,2900 |
20 |
1450,2100,2900 |
Φ45mm |
10 |
1450,2100,2900 |
Φ50mm |
10 |
1450,1850,2350,2900 |
12 |
1450,2100,2900 |
Lineup and Application BS Shaft Diameter
Bearing ID |
Support Unit |
Application BS
Diameter |
Φ25mm |
WBK25DF-31H |
Φ32mm |
WBK25DFD-31H |
Φ30mm |
WBK30DF-31H |
Φ40mm |
WBK30DFD-31H |
Φ35mm |
WBK30DFD-31H |
Φ45mm |
WBK35DFD-31H |
WBK35DFF-31H |
Φ40mm |
WBK40DF-31H |
Φ50mm |
WBK40DF-31H |
WBK40DFF-31H |