Page 315 - MiSUMi 2025

Rolled Ball Screws Shaft Dia.8 Lead 2 Accuracy Grade C7

Screw Shaft Nut
Accuracy Screw
grade Dia. Lead M Material H Hardness S Surface M Material H Hardness S Surface
Treatment Treatment
Induction
C7 8 2 S55C hardening - SCM420 Carburized -
equivalent equivalent 58~62HRC
58~62HRC

0 -0.2 16 30°
φ 5.7 or less -0.017 4 R0.3 30°
R0.3
R0.3
-0.012 0 or less -0.014 or less -0.012 P.C.D. 21
0 φ 14 X 0 0
φ 6 φ 8 φ 6 φ 4
3 φ 27 3
C0.3 0.8 +0.14 X C0.3 C0.3 18 4- φ 3.4 Through
0
Ball Screws / Lead Screws (9) 6.8 +0.2 4L 30 10 8 M6×0.75 X-X View Lead Screws Ball Screws /
0
Y (Nut Movement Range)
Part Number 4L Number Basic Load Rating Axial Twisting Applicable Support Units
of
1Type 2Screw Shaft 3Lead (1mm increments) Y Circuits C (Dynamic) C (Static) Clearance Direction Shape Fixed side Support side
model
model
kN
kN
O.D.
Rolled Ball Screws C-TBSE 08 02 100~400 L-47 3 turns 1.2 2.1 or Less Right Square Type C-TEK6 C-TEF6 Screws Rolled Ball
0.05
Round Type C-TFK6 C-TFF6
Short Type E-TLK6
E-TLF6
P.03-009 *The Y dimension must be larger than the full length of the nut - 4L kgf=N×0.101972 P.03-009
Precision Ball Screws Example Ordering Part Number (1Type · 2Screw Shaft O.D. · 3Lead) - 4L - 100 (FC·SC…etc.) Screws Precision Ball
Part Number (1Type · 2Screw Shaft O.D. · 3Lead)
Ordering
-
C-TBSE0802
Example
Alterations
SC5
- 280 -
P.03-027 QSupport side C-TBSE0802 QFixed side P.03-027
Ball Screw Supports / Motor Brackets 1 No Machining on Support Code Spec. 5 Wrench Flats on Fixed Side Code Adds wrench flats on the fixed Motor Brackets Ball Screw Supports /
Alterations
Alterations
Spec.
Side Shaft End
side shaft end.
Ordering Code SZC
Standard
support side shaft end.
4
4
ball nut crosses the wrench flats.
P.03-047 is specified L NC No machining added on the Incomplete Hardened Area SZC E Ball bearings will fall out if the P.03-047
0
When
Ordering Code NC
28
E The nut may not be moved within
5-0.2
machining
the Incomplete Hardened Area.
Lead Screws 2 Ball Nut Orientation Changes the nut direction. 6 Flat Machined on Fixed Adds a flat on the fixed side shaft end. Lead Screws
Note that when selecting.
Side Shaft End
Reversed
5≤SC≤7
When specified simultaneously
(Support side)
(Fixed side)
SC
SC=1mm increments
0.5
P.03-058 3 Standard RLC Ordering Code RLC 7 No machining of small steps SC with 8, 5≤SC≤F-1 P.03-058
Change
Ordering Code SC6
Lead Screw Nuts on Support Side Shaft End RNC No Retaining Ring Groove on Standard NF No machining of small steps on Nuts Lead Screw
No Retaining Ring Groove
on the fixed side
the fixed side
Support Side Shaft End.
Standard
Ordering Code RNC
Ordering Code NF
When
Change
machining
L
P.03-077 4 is specified Change the length of the 8 Change dimensions of small Change dimensions of small P.03-077
Change the length of the
Lead Screw Supports FC 6.8 FC support side shaft end. Recommended P FP steps on the fixed side Supports Lead Screw
support side shaft end
steps on the fixed side
8≤F≤13 4≤P≤5
10≤FC≤20
FC=1mm increments
F, P=1mm increments
Ordering Code FC20
Ordering Code FP-F13-P5
F
Change dimensions of big
P.03-079 E Only one of 1, 3 and 4 can be selected. 9 Recommended U Change dimensions of big steps P.03-079
steps on the fixed side
E Only one of 7 and 8 can be selected.
on the fixed side
Lead Screw Stop Plates / Position Indicators E When 9 or 0 is specified, the recommended support unit may not be available. E EU 9≤E≤30 6≤U≤E-3 Position Indicators Lead Screw Stop Plates /
E When 9 and 0 are specified simultaneously, no male thread will be machined
regardless of the value specified for U in 9.
E, U=1mm increments
Ordering Code EU-E30-U10
Please reconfirm.
E When specifying any alteration, the nut motion range (Y dimension) may
full length of the nut.
thread on the fixed side
P.03-081 become shorter. Please make sure that the nut motion range is greater than the 0 No machining of big steps male No machining of big steps male P.03-081
Standard NU thread on the fixed side
Ordering Code NU
Change
03-017 Rolled Ball Screws 03-018