GROOVED GUIDE RAILS –FREE DESIGNATION TYPE / NO OIL GROOVE / WITH OIL GROOVE–
Part Number
Bolt hole pitch 0.5mm increments
T 1mm increments
L 5mm increments
S 1mm increments
U 0.5mm increments
A
B
C
D
No. (Bolt hole)
W
Type
min.
max.
min.
max.
min.
max.
min.
max.
10 10 – 20
Part Number
H Hardness
M Material
35 * 40 – 100
No oil groove Oil groove FGRA– □ H FGRAM– □ H
2H L–6 3H C–10 4H C–10
3H L–6 4H D–10
B–10 A + 10
B + 10
C + 10
6
4H L–6
SKS3
53 – 56HRC
12.5 10 – 30
FGRB– □ H FGRBM– □ H HPM2T equivalent
37 – 41HRC
No oil groove
10 – 14
FGRA (SKS3) FGRB (HPM2T equivalent)
15
40 – 150
2H L–7 3H C–11.5 4H C–11.5 2H L–7.5 3H C–13 4H C–13
3H L–7 4H D–11.5
B–11.5 A + 11.5
B + 11.5
C + 11.5 4H L–7
15 – 40
7
2H
■ Mounting bolt holes: 2 Nos. 2H
Refer to the setting standard before des- ignating.
Refer to the setting standard before des- ignating.
t 1
■ Groove Height (S) and Width (U) Settings
C1
G
1.6
3H L–7.5 4H D–13
3H
B–13 A + 13
B + 13
C + 13
15 – 24
7.5
4H L–7.5
20
40 – 200
Oil groove
A
B
4H
25 – 50
L 0
FGRAM (SKS3) FGRBM (HPM2T equivalent)
－ 0.3
2H L–9 3H C–16 4H C–16
3H L–9 4H D–16
S
t 1
G 1.6
B–16 A + 16
B + 16
C + 16
R ≦ 0.8
9
4H L–9
＋ 0.01 0
T
■ Mounting bolt holes: 3 Nos. 3H
S
C0.5
25 20 – 50 40 – 200
0 － 0.1
T
Setting standard S ≦ T − (t 1 + 2)
2H L–10.5 3H C–19 4H C–19 2H L–11.5 3H C–21 4H C–21
3H L–10.5 4H D–19 3H L–11.5 4H D–21
10.5 B–19 A + 19
B + 19
C + 19
30 25 – 50 50 – 200
4H L–10.5
E All corners C ≦ 1 unless specified. Precision standard (warp / squareness) Details D P.629
A
d 2 2
U ≦ W–( ω 1 +
+ 1 )
B
11.5 B–21 A + 21
B + 21
C + 21
40 30 – 50 50 – 200
4H L–11.5
0 L C
－ 0.3
E L35 marked with * is only applicable to non–oil groove type.
■ Table for Bolt Hole Size W T d 1
■ Mounting bolt holes: 4 Nos. 4H
ω 1
d 2
t 1
Part Number
–T–L–S–U–A–B–C–D
10
8 8 8
4.5 5 4.5 4.5 5 5 4.5 5 5
10 – 20 10 – 30 10 – 14 15 – 40 15 – 24 25 – 50 20 – 50 25 – 50 30 – 50
Order
2H FGRA–2H15 – 30 – 145 – S12 – U3.5 – A15.0 – B40.5 3H FGRA–3H15 – 30 – 145 – S12 – U3.5 – A15.0 – B40.5 – C95.0 4H FGRA–4H15 – 30 – 145 – S12 – U3.5 – A15.0 – B40.5 – C95.0 – D13.0
12.5
15
9.5 5.5 6 6
A
11 14 14 17 19
6.5 7 9
B
20
9 9
9 9 9 10
C
Quotation
Delivery
25 30 40
0 L D
11.5 11 11 12.5 13 13
－ 0.3
• Guide rail and slide core with guide groove type
■ Details of Oil Groove (FGRAM– □ H/FGRBM– □ H)
Example
（ 1 ）
（ 2 ）
（ 3 ）
■ Calculation method for oil groove pitch P = (T – S – 2e – N) × 2
■ Oil groove pitch quick reference table T–S P 7 2 7.5 3 10 8 12 12 15 18 17 22 20 28 22 32 25 38
■ Oil Groove Detail Dimensions T–S e N f R T–S ≦ 7.5 1.5 1.5 0.3 1.0 T–S ≧ 10 2.0 2.0 0.5 1.25 E Please note that if L ≦ P + 10, there is the possibility that 1 cycle (1 pitch) of oil groove can not be cut.
• Example of 8mm Groove Guide Rails and 5mm Thick Flange Slide Core
90 °
5
5
P
L
• Guide groove height 15mm
Part Number – T – L – S – U – A – B – (BP/KP/MC/CC) FGRB–2H15 –30–145–S12–U3.5–A15.0–B40.5– MC
Alterations
Quotation
Alterations
Code
Details
Alterations
Code
Details
M (Coarse thread)
Change to tap hole E Applicable to W10 – 25 Details D P.632
Tapping Details D P.631
BP
MC
A
2−M (Dismounting tap)
BPA
B
2 － CC ± 0.2
Dowel hole boring E M Applicable to HPM2T equivalent Details D P.631
C chamfering Details D P.632
KP
CC
A
KA
A
KB
B
B
643
644
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