S-Type & H-Type Linear GuideFeatures

Types■Compatibility
Since

tolerance

1.LGS:
betweenbearings

andrails

isThis is the standard size series currently most generallycompatibility, gauging mark between a bearing and a railused. This is suitable for electricity, an electron, and ais unnecessary. Laborsaving of parts management andsemiconductor process industry.

shortening of assembly time can be achieved.

2.LGS‐S:■Prevention of balls omission

This is designed compactly by shortening the length ofSince this item has structure with prevention of balls

bearings LGS series. And this is suitable to the machineomission, there are no bothers about balls omission inequipment aiming at a narrow place.

assembly. However, when you insert a bearing into a rail,

3.LGH:

slide a bearing carefully in parallel.

This is the heavy size series widely used for the middle■Extensive standardization of rail length

weight or heavy weight type machine. This is suitable for

To be applicable to most of rail length and to become aauto industry, machine tools, and other special industrial

symmetrical attachment hole pitch in 2 axis parallel use,machine equipment.

we standardized rail length. It is the easiest to use, and4.LGH‐F:

shortening of time for delivery was realized.

This is a high rigidity type of LGH prepared a flange. It has■Maintenance is simple

the structure which can set a bolt from the top or theBearings are delivered in the state which Li‐soap basedbottom.

grease is beforehand enclosed with. However, please
supply grease periodically from oil hole of both sides.

LG-1

LGS, LGS-S, LGH, LGH-F series
Precision Standards

L10: Rated Life km

The following table12 shows precision standards for theC: Basic dynamic load rating N

LGS and LGH series.

P: Acting radial load N
fS: Impulse, vibration and/or speed factor; see table13
Table13: Impulse, vibration and speed factor
Conditions
When the reciprocating motion speed is V=300mm/sec
or less without impact or vibration
When the reciprocating motion speed is V=1000mm/sec
or less with slight impact or vibration

Table12: Precision standards

unit:mm

Item

accuracy

H tolerance±0.040H deviation between paired rails

0.020

T0 tolerance±0.040T0 deviation between paired rails

0.020

C‐face travel parallelism against A‐face

When the reciprocating motion speed is V=1000mm/sec
or more with heavy impact or vibration

Radial clearance

1〜1.5
1.5〜2.0
2.0〜4.0

Installation
1.Wipe off the rust prevention oil applied on this guiderail.
2.Do not remove the grease contained (Albania No.2 of Shell

See Fig3.

D‐face travel parallelism against B‐facefSPetroleum) in the housing.

3.Please assemble them in a state to which a bearing is inserted

0〜+0.020

in a guiderail. Even if you extract a bearing from a guiderail,balls don't fall from the bearing with structure of prevention

Fig3: Travel parallelism
Travel parallelism (μm)

of balls omission. But if you insert a bearing into guiderail byforce, balls may fall.

4.When you insert a bearing into a rail, slide a bearing carefullyin parallel.

5.A reference plane of a bearing is one flank(grinding side).
Reference planes of a guiderail are both flank.
Rail length (mm)6.If the greased nipple inlet is required to be shifted in theopposite direction, follow the instructions below.

①Remove the grease nipple with a hexagon socket spanner.

Applicable temperature: ‐20℃〜+80℃②Remove the filling plug in the grease nipple installation holeon the opposite side with a hexagon socket wrench. Thenattach a grease nipple.

Rated Life

③Install the removed filling plug into the greased nipple
installation hole on the other side.

The rated life of the LGM series can be calculated by thefollowing formula.
3⎛ C ⎞⎟⎟ ･50km
L10 = ⎜⎜⎝ f S･P ⎠(1)

LG-2