(1)Shoulder heights and fillets
Improper shoulder heights and fillets of mountingsurfaces will cause a deviation in accuracy
and theinterference with the chamfered part of the rail orblock.
As long as the recommended shoulder heights and fillets are followed,
installation inaccuraciesshould be eliminated.
|   Size  | Max, radius of fillets C1(mm)  | Max. radius of fillets C2. (mm)  | Shoulder height of the ra E1(mm)  |   Shoulder height of the block E2(mm)  | Clearance under block H1(mm)  | 
| 15 | 0.6 | 0.5 | 3.2 | 4 | 4.3 | 
| 20 | 0.6 | 0.5 | 3.6 | 5 | 4.6 | 
| 25 | 1.0 | 1 | 5 | 5 | 5.5 | 
| 30 | 1.0 | 1 | 5 | 5 | 6 | 
| 35 | 1.1 | 1 | 6.2 | 6 | 7.5 | 
| 45 | 1.1 | 1 | 8 | 8 | 9.5 | 
| 55 | 1.5 | 1.5 | 11 | 10 | 13 | 
| 65 | 1.5 | 1.5 | 12 | 10 | 15 | 
(2)Shoulder heights and fillets
Improper tightening of blots will seriously
influence the accuracy of Linear Guideway installation.
The following tightening torques for different sizes of bolts are recommended.
Bolt size  | lron N-cm(kgf-cm)  | Bolt size  | lron N-cm(kgf-cm)  | 
| M3×0.5 | 190(19) | M8x1.25 | 3045(310) | 
| M4×0.7 | 390(40) | M12×1.75 | 11770(1200) | 
| M5×0.8 | 880(90) | M14×2 | 15970(1600) | 
| M6×1 | 1370(140) | M16×2 | 19625(2600) | 
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