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Text version of the page
Load Rating and Running Life C•ft
Driving Conditions fs Driving Conditions fp No impact and vibration Slight impact and vibration Considerable impact and vibration 1.0~1.21.2~1.8 1.8~3.5 Radial load only and slow speed Load variances by changes of medium speed Moment load and fast speed 1.0~1.21.2~3.0 3.0~10.0 F
EATURES •Tolerance on H±0.25•Parallelism 0.01 max per 10mm stroke •Temperature range under 80°C •Friction coefficient µ= 0.001•As high precisionballs run between the track set in the fixed part and that on the moving part, with each track consisting of two paralleled linear shafts, the friction is very low. Therefore the movement is truly light and smooth.•As the base and the table are made of aluminium,the moving part is capable of quick and speedy motion.•As the balls are held in plastic retainers and thecontacting area between balls and tracks is very small with no slip caused, the unit can operate lightly without any lubrication. •As the balls and shafts are made of stainless steel,and the anodic oxidation coatings are formed on the surfaces of aluminium of the base and table, anti-corrosion is effectively potent.•As the set screws for adjusting the clearance areset in the side of the table, pre-load can be applied to the movement of the table.•As the unit can operate without any lubricationwith effective anti-corrosion, the maintenance of the slide is simple and pollution-free.•Any damage originating from over-running thetable beyond the tracks would not be expected as the over-running is prevented by the stopping mechanism set inside the device.•As the tapped holes for the set screws are boredon to the table and base, it is easy to set them on other machines without dismantling the unit.
Linear - 40076 LINEAR
LSmooth Precision Motion Ball Slide Units
T E A C H N I CPreload Adjustable -
TBS
( )
3 L = fs•fp•P x 50kmL•10(
6 Lh = 2•e
s•n•60)
L=Rated Running LifeC=Basic Dynamic Load Rating P=Working Load Ft=Working Temperature Factor (up to 60°C 1.0, up to 100°C = 0.95) Fs=Shock and Vibration Factor (see fig.1) Fp=Load Factor (see fig.2)If the drive stroke length and the reciprocal numbers per minute are fixed, the following formula is used forcalculating the running life time from the rated life.Ln=Running Life HoursL=Rated Running Life Ls=Stroke Length n=Reciprocal Numbers per MinuteThe value of Basic Load Rating is equal against the load given from above, side or under, but it will belowered slightly against the load obliquely from the angle 45°, for only a pair of shafts may bear the load. fig.1 (fs) Impact/Vibration Factor fig.2 (fp) Load FactorDriving Conditions fs Driving Conditions fp No impact and vibration Slight impact and vibration Considerable impact and vibration 1.0~1.21.2~1.8 1.8~3.5 Radial load only and slow speed Load variances by changes of medium speed Moment load and fast speed 1.0~1.21.2~3.0 3.0~10.0 F
EATURES •Tolerance on H±0.25•Parallelism 0.01 max per 10mm stroke •Temperature range under 80°C •Friction coefficient µ= 0.001•As high precisionballs run between the track set in the fixed part and that on the moving part, with each track consisting of two paralleled linear shafts, the friction is very low. Therefore the movement is truly light and smooth.•As the base and the table are made of aluminium,the moving part is capable of quick and speedy motion.•As the balls are held in plastic retainers and thecontacting area between balls and tracks is very small with no slip caused, the unit can operate lightly without any lubrication. •As the balls and shafts are made of stainless steel,and the anodic oxidation coatings are formed on the surfaces of aluminium of the base and table, anti-corrosion is effectively potent.•As the set screws for adjusting the clearance areset in the side of the table, pre-load can be applied to the movement of the table.•As the unit can operate without any lubricationwith effective anti-corrosion, the maintenance of the slide is simple and pollution-free.•Any damage originating from over-running thetable beyond the tracks would not be expected as the over-running is prevented by the stopping mechanism set inside the device.•As the tapped holes for the set screws are boredon to the table and base, it is easy to set them on other machines without dismantling the unit.