Catalogue LM Guide Actuator KR
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• Block type B
W
T
L
_B_
A ... R2 H<
W
R 1 J
Unit: mm
Model
LM Rail Length L
Stroke Length S
MIN / MAX
Motor Side A
Non-motor Side B
R1
R2
W
T
T1
300
114
25 / 139
54
56
KR33
400
194
35 / 229
64
66
130
76
84
44.5
20
500
264
50 / 321
79
81
600
344
60 / 404
89
91
340
90
15.5 / 111.5
73
67
440
168
29.5 / 197.5
81
81
540
248
39.5 / 287.5
91
91
191
110
110
56
20
KR46
640
318
54.5 / 372.5
106
106
740
408
59.5 / 467.5
111
111
940
548
89.5 / 637.5
141
141
980
652
50.4 / 702.4
100
100
1080
738
57.4 / 795.4
107
107
KR55
1180
826
63.4 / 889.4
113
113
223.1
128
154
77
42
1280
912
70.4 / 982.4
120
120
1380
998
77.4 /1075.4
127
127
980
625.5
46 / 671.5
103
106.5
KR65
1180
795.5
61 / 856.5
118
121.5
225
145
184
87
49
1380
959.5
79 /1038.5
136
139.5
1680
1211.5
103 /1314.5
160
163.5
(Note 1) An adapter plate is available for lubricating the actuator guide from the grease nipple with the bellows still attached. For details, contact THK.
(Note 2) The degree of shrinkage differs when the bellows are used in applications outside of horizontal use (e.g. vertical or wall-mounting use). For details, contact THK.
A
(degree of shrinkage)
KR33
7
KR46
7
KR55
13
KR65
13
(Note) Calculate the length of the bellows by the following equation:
S
S: Stroke length (mm)
Lmin =
(A-1)
Lmax = Lmin • A A: Degree of shrinkage (see table at right)
48
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page 50 p.50
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