Page 431 - MiSUMi 2025

Economy series Product Overview Alterations Economy series
Linear Shafts Linear Shafts

Alterations
QAccuracy Standards Alteration Type Change L dimension tolerance (precision) Code Ordering Code LKC Spec. E L<200 CL±0.03
· Circularity, Straightness, L Dimension Accuracy · Straightness measurement method Change tolerance LKC L dimension can be specified in 0.1mm increments for LKC. 200≤L<500 CL±0.05
CL±0.1
L≥500
Shaft ends are supported on V-blocks and LKC
D Addition of wrench flat machining at 1 place Ordering Code SC5 D W D W
turned 360 degrees to measure shaft ESC=1mm Increments ESC+L1≤L ESC=0 or SC≥1 6 5 L1 18 16 L1
runout using a dial indicator. 10 8 7 8 8 20 17 10
25
22
M - K SC Application Condition Applicable to D=6 or more 12 10 30 27
L 1/2 of measured runout is defined as XCannot be combined with WSC 13 11 10 35 30 15
the straightness. Addition of wrench flat SC L1 W 15 D 13 W 40 D 36 W 20
14
41
16
50
Ordering Code WSC12-X8
· D Section Circularity · Straightness Addition of wrench flat machining at 2 places EWSC, X=1mm Increments EWSC+X+L1×2<L EWSC(X)=0 or WSC(X)≥1 6 8 5 7 L1 8 18 16 L1 10
17
20
WSC Application Condition Applicable to D=6 or more 10 10 8 25 22
27
30
12
X Orientation between wrench flats is not coplanar. Not available in 13 11 35 30 15
WSC L1 L1 X W combination with SC or SX. 15 13 10 40 36 20
16
14
41
50
Addition of flat surface at 1 place Ordering Code FC10-A8, FC10-E8
FC A(E) EFC, A(E)=1mm Increments ED≤30: FC≤5×D, D≥35: FC≥3×D
H
FC EWhen 1.5×D<FC, FC≤L/2 EA(E)=0 or A(E)≥2 6 ~ 16 0.5 1
D
XCannot be combined with WFC
3 ~ 5
Addition of flat surface Addition of flat surface at 2 places Ordering Code WFC10-A8-E20 20 ~ 40 2 3
h
E The datum points for specifying FC position vary
50
depending on products. See each product page for details.
A WFC WFC E EWFC, A, E=1mm Increments ED≤30: WFC≤5×D, D≥35: WFC≥3×D
WFC EWhen 1.5×D<WFC, 2WFC≤L/2 EA(E)=0 or A(E)≥2 3~5 0.5
D
H
· L Dimension Tolerances · Perpendicularity h h XOrientation between wrench flats is not coplanar. Not available in combination with FC. 6~16 1 2
20~40
4 Addition of V groove at 1 place Ordering Code VC10 50 3 4
D
Dimension (from) Dimension (to) Standard products ±0.1 Economy series D VC VC EVC=1mm Increments EVC>W W D 10~16 W 2 4 6 8
6·8
g7/f8
g6
Linear Guides / Linear Shafts / Linear Bushing / Ball Splines / Oil Free Bushings 1000 1000 ±0.2 0.2 Addition of V Groove Addition of V groove at 2 places WVC EWVC, F=1mm Increments EF>W 90° W D 40~50 12 W H 2 4 6 8 Oil Free Bushings Linear Bushing / Ball Splines / Linear Guides / Linear Shafts /
Application Condition Applicable to D=6 or more
20~25
6
2
30~35
XDifferent from the VC code of hollow shafts.
6
30
30
120
±0.3
Ordering Code WVC180-F8
D
6·8
±0.5
120
400
10~16
±0.8
400
Application Condition Applicable to D=6 or more
20~25
30~35
WVC
F
1500
±1.2
XDifferent from the WVC code of hollow shafts.
90°
40~50
12
Addition of set screw flat on stepped part
Ordering Code LFC10-A8, RFC10-E8
H
LFC
P
ELFC(RFC)+A(E)≤F(T) ED-M(N)≥1
1
20~40
2
A
LFC RFC
E
2
41~
Linear Guides QSurface Hardness·Surface Treatment Standard Addition 2 perpendicular surfaces at 1 place RFC XOrientation between set screw flats is not coplanar. 12~20 6~18 b1 6 6 0.5 h Guides Linear
Ordering Code RC10
ERC=1mm Increments ERC+b1≤L ERC≥2
D
b1
10
h
· Reduced Hardness around Machined Areas
· Surface Hardness
RC
Application Condition Applicable to D=10~30
1.0
12
1.0
Effective hardening layer depth of the quenching shaft Surface Treatment Plating Layers Machining is applied after base materials are Addition of flat surface RC h XNot available in combination with WRC. Not applicable to precision type. 25 30 10 1.0
P.04-011 Shaft Tolerance g7 (Economy series) Effective hardening layer depth case hardened. In the example below, the machined area may generate heat that Addition 2 perpendicular surfaces at 2 place EWRC= 1mm Increments EWRC+b1≤L EWRC(Y)≥2 D b1 h P.04-011
Ordering Code WRC10-Y10
Cross Roller Guides O.D. (D) GB: Equivalent to 45 Equivalent to SUJ2 high-hardness corrosion The parts that may be reduced in WRC b1 b1 Y WRC X Orientation between set screw flats is not coplanar. 12~20 10 6 6 0.5 Guides Cross Roller
causes a decrease in hardness (approximately 10mm around the machined area).
Shaft Tolerance g6
h
h
10
SUS440C or equivalent
Application Condition Applicable to D=10~30
1.0
JIS: Equivalent to S45C
resistant steel
1.0
25
hardness due to annealing are:
12
30
1.0
Not available in combination with RC. Not applicable to precision type.
3
· Female thread: when M≥D/2
4
5
(PMC, QMC, MMC, NMC→Applicable to bearing nut fine thread pitches)
P.04-039 6~10 0.3 or More 0.5 or More 0.5 or More About 10 About 10 About 10 · Wrench Flat alteration (SC·WSC·SX) Change male threads to fine threads Change male threads to fine threads shown in the table below. P.04-039
· Set Screw Flat alteration (FC·WFC)
(PMS, QMS, MMS, NMS→Applicable to cylinder fine thread pitches)
12·13
Linear Shafts / Bushings 15~20 0.8 or More 1.0 or More 0.7 or More QMC·QMS (Fine Thread) PMC 6(7) 3 3 3 3 *4 4 4 *5 *5 *6 PMC·QMC·MMC·NMC PMS·QMS·MMS·NMS Bushings Linear Shafts /
0.5 or More
0.7 or More
Ordering Code PMC15 EEx.) When requesting M15 thread with D20 and 1.0 bearing nut fine thread pitch
0.5 or More
PMC·PMS (Fine Thread)
D
25~50
*3
PMS
*4
QMC
5
8(9)
QMS
10
10
10
12
P.04-043 · Plating of surface treatment No electroplating treatment is applied to the following parts. MMC·MMS (Fine Thread) MMC (14)16(17) 3 4 4 5 5 5 5 5 5 5 6 6 6 6 6 6 6 *8 8 8 8 8 8 8 *10 *12 *15 *17 *10 *12 14 *18 P.04-043
13
10
10
*12
MMS
12
10
12
10
15
Machining is applied after base materials
*15
12
12
10
10
Ball Splines are surface treated. D · Groove part NMS (28)30(31·32) 6 8 8 8 10 10 10 10 12 15 17 *20 *25 *30 10 12 12 12 12 12 14 18 Ball Splines
NMC
NMC·NMS (Fine Thread)
14
12
18(19)
10
12
10
15
20(22)
18
17
10
15
12
20
14
(24)25(26)
10
In the example on the right only part D
12
· Female thread part
15
17
25
14
20
18
14
18
*35
10
17
30
20
15
12
25
(38)*40(45)
25
20
18
12
15
17
14
30
· Wrench flat, set screw flat, and cut section
is hard chrome plated.
25
15
14
18
*50
20
17
30
0.5
0.75
0.35
Pitch
1.0
E* marked specifications are not applicable to precision type
P.04-107 Alteration of thread part Change female threads to fine threads Change female threads to fine threads shown in the table below. 1.5 1.25 12·13 1.5 8 8 MSC·NSC·JSC P.04-107
D
Ordering Code MSC14 EEx.) When requesting M14 thread with D20 and 1.5 fine thread pitch
NSC·JSC (Fine Thread) MSC
15·16
10
Oil Free Bushings MSC (Fine Thread) NSC EJSC is specified for J dimension and the size is the same. 25~35 8 8 8 10 10 10 10 12 14 18 18 18 Bushings Oil Free
18
Application Condition Applicable to D=12 or more
12
20
14
12
JSC
12
14
40
EJSC is only applicable to: V#AD·VS#AD·V#PD·VS#PD
12
50
14
1.5
1.0 1.25
Pitch
Addition of undercut PC: Add undercut(s) on P dimension area. ·For Coarse Threads ·When Combined with Fine Thread Alterations
P.04-126 B S PC QC: Add undercut(s) on Q dimension area. P(=M) PC F-B PMC·MMC QC (T-S) PMS·MMS PC F-B P.04-126
PC
F-B
QMS·NMS
QC (T-S)
QMC·NMC
QC (T-S)
Q(=N)
Ordering Code PC
Shaft Supports / Collars M P F PC QC T N Q QC Applicable to M=6 or more 10 13.0 3 4 5 10 10.4 2.0 14 11.7 Collars Shaft Supports /
4.8
8.0
10
6
2
4.4
6
8
9.7
6.4
12
6.0
8
3.0
Application Condition
8.4
7.7
15.7
18
12
9.4
12
13.4
15
16
XNot applicable to D=Q and D=P
15.4
17
16.4
20
20
24
19.6
18.4
25
22.7
3.0
30
25.0
27.7
30
MD(M×3)
P.04-144 Change to effective female thread lengthx3 MD Ordering Code MD6/ND6 (M is changed to MD, N is changed to ND) P.04-144
Application Condition Applicable to D=10~30, M(N)=6~20
ND(N×3)
04-045 ND EOne End Tapped: MD×3.5+4≤L 04-046
EBoth Ends Tapped: MD×3.5+4+ND×3.5+4≤L