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THK Expands on Caged Technology Line with Larger Sized LM
Guides and Ball Screws
 Schaumburg, IL - (September 1, 2004) THK has literally expanded
on the proven-performance of its caged technology LM Guides
and Ball Screws with the introduction of its extra large
line of products.
THK's new ultra large scale Type SNS300 LM Guide is the
largest LM Guide with Caged Ball Technology. The SNS300 features
a height of 300 mm, a block width of 540 mm, a block length
of 976 mm and a rail width of 300 mm. The Type SNS features
a four-direction, equal load rating.
THK's Heavy Load Ball Screw Type HBN, has an extremely large
load capacity due to the optimized design of its internal
structure. In heavy load durability tests (118kN load, 48
mm stroke, 3.8m/min max), the Type HBN performed 100,000
cycles without any problems. Test operations at high ambient
temperatures found movements to be identical at 20 degree
and 80 degree C temperatures. The Type HBN has been proven
to outperform hydraulic cylinders. Improved energy savings,
superior positioning accuracy, clean operation, enhanced
machine control and reduced maintenance all make the Type
HBN interchangeable with, if not superior to, hydraulic cylinders.
THK's ball screw achieves an increase in maximum nut rpm
(130,000 DN). The Type HBN is available in sizes up to 12025.
THK's Caged Technology employs a synthetic resin cage with
a patented curvature that cradles each ball and separates
it from the next. The spaces between the rolling elements
retain grease and act as a lubrication system for long-term
maintenance-free operation. Other Caged Technology benefits
include reduced noise, increase speed and accuracy of motion,
high rigidity, reduced dust generation and smooth movement.
The overwhelming success of THK's caged technology has propelled
the expansion of caged technology throughout the product
line. THK is also expanding their product offering to include
larger and smaller sizes as well as new materials and technology
to achieve superior results in the most demanding applications.
To learn more please contact Technico, Inc.
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