LINEAR UNITS

Additional Technical Data and Calculations
Additional Technical Data
Linear Units with Ball Screw and Slide Guides
Technical Data
184
Linear Units
Parameter WB40 M55 M75 M100 M75D M100D
Geometrical moment of
inertia of the profile (ly)
Geometrical moment of
inertia of the profile (lz)
Friction factor of the
guide system (µ)
Effiency
ball nut unit
composite nut unit
[mm 4 ]
[mm 4 ]
1,04 × 10 5 4,27 × 10 5 1,9 × 10 6 5,54 × 10 6 1,9 × 10 6 5,54 × 10 6
1,29 × 10 5 3,4 × 10 5 1,15 × 10 6 3,86 × 10 6 1,15 × 10 6 3,86 × 10 6
0,3 0,15 0,15 0,15 0,15 0,15
0,8
-
0,8
0,5
Bending factor (b) 0,0005 0,0005 0,0005 0,0005 0,0005 0,0005
Inertia of ball screw (jsp) [kgm 2 /m] 1,13 × 10 -5 4,1 × 10 -5 1,6 × 10 -4 2,5 × 10 -4 1,6 × 10 -4 2,5 × 10 -4
Dynamic load rating of
ball screw (Cx)
05 mm lead
05,8 mm lead
10 mm lead
12,7 mm lead
20 mm lead
25 mm lead
32 mm lead
[N]
4400
-
-
-
-
-
-
4600
5420
4200
-
1900
-
2000
Linear Units with Belt Drive and Ball Guides
Technical Data
Parameter WH40 M55 M75 M100 MLSM80Z
Geometrical moment of
inertia of the profile (ly)
Geometrical moment of
inertia of the profile (lz)
Friction factor of the
guide system (µ)
[mm 4 ]
[mm 4 ]
0,8
0,5
10400
-
-
17960
10400
-
-
0,8
0,5
12500
-
20600
-
-
11800
-
0,8
-
10400
-
-
-
10400
-
-
12,6 × 10 4 4,59 × 10 5 1,9 × 10 6 5,54 × 10 6 3,77 × 10 6
15,3 × 10 4 3,56 × 10 5 1,15 × 10 6 3,86 × 10 6 4,71 × 10 7
0,05 0,02 0,02 0,02 0,1
Effiency of the unit 0,85 0,95 0,95 0,95 0,85
Bending factor (b) 0,0005 0,0005 0,0005 0,0005 0,0005
Specific mass of belt [kg/m] 0,032 0,09 0,16 0,31 0,517
Inertia of pulleys (Jsyn) [kgm 2 ] 8,8 × 10 -6 1,7 × 10 -5 6,8 × 10 -5 8,5 × 10 -5 5,077 × 10 -4
Dynamic load rating
of ball guide (Cy)
Dynamic load rating
of ball guide (Cz)
Distance between ball
guide carriages (Lx)
Distance between ball
guide carriages (Ly)
[N]
[N]
[mm]
[mm]
2 × 2650 2 × 2717 2 × 8206 2 × 13189 4 × 17965
2 × 3397 2 × 3484 2 × 15484 2 × 24885 4 × 17965
72 78 96 140 185
- - - - 164
0,8
-
12500
-
20100
-
-
11800
-