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You may also be interested in
Slide, Spline shaft, Pillow block, Linear guide, Guide
Text version of the page
SLIDE GUIDE
SLIDE GUIDE
A-16 A-17
BELLOWS
By protecting the entire length of the guide rail, the dust prevention is greatly enhanced.
Please refer to Figure A-29 for dimensions. External dimensions and the stroke length of slide guide will
change with use of bellows.
Figure A-29 Dimensions of Slide Guide with Bellows
h
guide fitting plate
t1
cross section
of bellows
b
H
h
b
H
B B
intermediate
plate
t2
rail fitting plate
MAX/Pgroup t1
MIN/Pgroup
SGL 20 or smaller SGL 25 or larger
Note: Please do not unfasten the guide fitting plate screws. The slide guide becomes unfunctional if the guide fitting plate is removed.
SGL15F/TF/E/TE
SGL15HTE/HYE/HTEX
SGL15HTF/HYF
SGL20F/TF/E/TE
SGL20HTF/HYF/HTE/HYE/HTEX
SGL25F/TF/E/TE
SGL25HTF/HYF
SGL25HTE/HYE/HTEX
SGL30F/TF/E/TE
SGL30HTE/HYE/HTEX
SGL30HTF/HYF
SGL35F/TF/E/TE
SGL35HTE/HYE/HTEX
SGL35HTF/HYF
SGL45HTE/HYE/HTEX
SGL45HTF/HYF
GL15F/TF/E/TE
GL15HTE
GL15HTF
GL20F/TF/E/TE
GL20HTF/HTE
GL25F/TF/E/TE
GL25HTF
GL25HTE
GL30F/TF/E/TE
GL30HTE
GL30HTF
GL35F/TF/E/TE
GL35HTE
GL35HTF
GL45HTE
GL45HTF
33
41
47
58
68
84
23
27
32
40
46
59
1
5
1
3
1
8
4
2
5
2
9
1
11
19
21.5
25.5
31
37
50
1.5
2.0
1.0
32
40
44
56
68
72
6.5
part number B H h b t1 t2 MAX/1group MIN/1group
Note: 1 group indicates the minimum unit of bellows. Please specify the required stroke length.
When bellows are fitted to the guide block, the grease fitting cannot be installed.
Please contact NB for details on the installation of bellows, as well as for special application usage.
Calculation Method of Length of Bellows and Slide Guide Rail
Example: In this case, one(1) piece of SGL15TE guide block is mounted on a rail with bellows; the required
stroke is 440mm.
Number of groups required for a stroke of 440mm is calculated as follows.
When 18 groups of bellows are fitted, the maximum length 1 is calculated:
1guide fitting plate{1groupMAX×number of groups{Intermediate plate~inumber of groups-1j
@1.5{32~18{1.0~i18-1j594.5
When 18 groups of bellows are fitted, the minimum length 2 is calculated:
2guide fitting plate{1groupMIN× number of groups{intermediate plate~inumber of groups-1j
@1.5{6.5~18{1.0~i18-1j135.5
With these calculation results, stroke limitiSjand length of the guide rail needediLjare obtained
as follows:
S1-2594.5-135.5459
L1{2{SGL15TE block594.5{135.5{56.5786.5à787iround upj
Stroke
MAX-MIN
440
32-6.5 17.2à18 groupsiround upj
Figure A-30 External Diagram of Slide Guide with Bellows Attached
S
S
SGL15TEF56.5
L
2 1
1 2
2
2
SGL15TE:56.5
L
When Slide Guide is moved to the left end
When Slide Guide is moved to the right end