Page 494 - MiSUMi 2025

Economy series Product Overview Product Overview Economy series
Ball Splines Ball Splines

QLife Calculation
IRunning Life ILife Hours
· With radial load
L : Running Life (km)
ft · fh · fp C 3 ft : Temperature coefficient 10 ·L
6
L= · · L0 fh : Hardness coefficient Lh=
fw F fp : Ratio of rated load 120·St·n
fw : Load coefficient
L0 : Rated life (50km)
· With torque load C : Basic Dynamic Load Rating (N) Lh : Running Time (hr)
F : Acting radial load (N) L : Running Life (km)
ft · fh Ct 3
L= · · L0 Ct : Basic dynamic torque (N·m) St : Stroke length (mm)
fw T T : Acting torque (N·m) n : Reciprocating Cycles
per Minute (cpm)
EPlease refer to the following for the values and coefficients.
ITemperature coefficient (ft) IHardness coefficient (fh)
1.1 1.0
1.0
0.6
4 Temperature coefficient ft 0.9 Hardness coefficient fh 0.8 4
0.8
0.4
0.7
Linear Guides / Linear Shafts / Linear Bushing / Ball Splines / Oil Free Bushings 0.6 100° 200° 300° 60 Shaft hardness (HRC) 35 30 Oil Free Bushings Linear Bushing / Ball Splines / Linear Guides / Linear Shafts /
0.2
0.5
45
40
55
50
Temperature (°C)
IRatio of rated load (fp)
Distributed Load
Operating Conditions
No.8~20
No.8~20 No.25·30 Direct Download No.25·30 ILoad Coefficient (fw) Load coefficient (fw)
Minimal vibrations / shocks
Linear Guides (Low speed 15m/min. or less) 1~2 Guides Linear
Some vibrations / shocks
(Medium speed 60m/min. or less) 2~3
P.04-011 fp=1 fp=1 fp=0.71 fp=0.71 Significant vibrations / shocks Above 3 P.04-011
(High speed over 60m/min.)
Cross Roller Guides IRated Load Guides Cross Roller
Basic Load Rating
Basic Rated Torque
M01
M02
P.04-039 No. Dynamic Ct Static C0t Dynamic C Static C0 Allowable Static Moment M01 Co Cot P.04-039
N·m
(N·m)
N·m
kN
(N·m)
kN
Linear Shafts / Bushings 10 13.3 23.8 2.6 3.9 37.1 124.6 When 1 nut is used C Bushings Linear Shafts /
0.8
1.4
3.5
8
25.2
6
3.3
9.5
85.3
5.4
36.4
13
19.6
15
3.2
M02
260
16
7.7
35.7
4.3
65.1
380
59.5
55.3
P.04-043 20 135.1 107.8 5.9 10.7 103.5 685.9 When 2 nuts are used Ct P.04-043
25
243.6
10
15
Ball Splines E When 1 nut is used, please check M01 column; in contacting tandem Ball Splines
190.4
932.7
11
30
148.4
19.6
343
when 2 nuts are used, please check M02 column.
P.04-107 QPrecautions P.04-107
E The relative positions of the grooves of spline shaft, the keyways and lube holes of straight nuts, and all the alterations (wrench flat, set
Oil Free Bushings E When re-inserting a nut into the spline shaft, be sure to insert it horizontally, otherwise the ball will fall off. Bushings Oil Free
screw flat, etc.) in the 3D model are for reference only and may differ from their actual positions.
E As resin parts are used inside the nuts, please use them at temperatures below 80°C.
E Although the nuts are greased on the inside before leaving the factory, please re-grease them every 2~3 months or every 50km of
P.04-126 traveling distance after receipt of the goods, otherwise their use will be impaired. P.04-126
Shaft Supports / Collars ENo guarantee is given for the noise level of this product. Collars Shaft Supports /
ENo guarantee is given that the spline shaft or nuts of this product will fall freely.
E This product is a machined type, so there will be knife patterns and color difference in its appearance. It is normal for the product to
P.04-144 have some scratches or color changes. Please feel free to use. P.04-144
04-109 04-110