SKH51 Thin–wall Wall thickness 0.3mm–
STRAIGHT EJECTOR SLEEVES –TAPERED TYPE–
Part Number – L – P – V – C – S – (KC/WKC … etc.) ESVX5 – 70.00 – P4.50 – V3.50 – C4.00 – S3 – KC2.5
High Speed Steel SKH51 Die Steel SKD61 + Nitriding
Alterations 追加工
Alteration details D P.225
Alterations Code
Spec.
Alterations Code
Spec.
Reduces the head thickness to less than standard. TC = 0.1mm increments E 4–TC ≦ Lmax.–L E 2.0 ≦ TC ＜ 4 (Dimensions L, (L–S) remain unchanged)
Single flat cutting P/2 ≦ KC ＜ H/2
KC
KC － 0.02 0
0 － 0.02
TC
TC
4mm
4
JIS (6/8mm)
E b 1 Range of guaranteed shaft diameter precision (Details D P.221) x 1 max. = 10
T P Tolerance
T V Tolerance
Applicable center pin shaft diameter tolerance
Part Number
Concentricity
WKC Two flats cutting P/2 ≦ WKC ＜ H/2
Reduces the head diameter. HC = 0.1mm increments E Shaft diameter P ≦ HC ＜ H
0 － 0.02
About Designation Unit for Key Flat Cutting
0 –0.005
+0.005 0
0 –0.005
WKC
ESVX
10mm
◎φ
0.003
HC
E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft.
Varied width parallel flats cutting P/2 ≦ KAC ＜ H/2 KBC = 0.1mm increments only KAC ＜ KBC ＜ H/2
0 –0.005
+0.005 0
0 –0.005
ESVXN
◎φ
KAC KBC
0.005
D(P) –0.01 –0.02
－ 0.02 0
－ 0.02 0
KAC
KBC
D(P) 0
Reduces the head diameter. (precision) HCC = 0.1mm increments E P + 1 ≦ HCC ＜ H–0.3
x 1
b 1 (Guaranteed Range of Shaft-diameter Precision)
(1) To align the key flat with the shaft diameter Unit of designation 0.005mm increments possible
–0.005
HCC
Two flats (right angled) cutting P/2 ≦ RKC ＜ H/2
RKC
◎ 0.003
RKC － 0.02 0
◎ 0.005
DKC Three flats cutting P/2 ≦ DKC ＜ H/2
－ 0.02 0 R ≦ 0.5
＋ 0.005 0 0 － 0.005
0 － 0.02
◎ 0.01
V P
DKC
DKC
T = 4
Concentricity
◎ 0.03
＋ 3 0
（ L － S ）
0 － 3
(2) To designate
Tapper part
S
Four flats cutting P/2 ≦ SKC ＜ H/2
SKC
arbitrary key flat dimensions Unit of designation 0.1mm
－ 0.02 SKC 0
＋ 0.02 0
C = designated dimension
◎ 0.06
L
AG °
± 0.5
Two flats (angled) cutting P/2 ≦ KGC ＜ H/2 AG = 1° increments 0 ＜ AG ＜ 360
Standard
0 °
KGC
KGC
M Material H Hardness
SKH51
Total Length Designation
58–60HRC Range of guaranteed base material hardness (Details D P.223) Overall quenching (No annealing on head)
120 ° 120 °
Three flats cutting at 120° P/2 ≦ KTC ＜ H/2
－ 0.02 120 ° 0
Free Designation Shaft Diameter(P) Total Length Designation
KTC
KTC
Part Number
0.01mm increments
S 1mm increments
H T
Stepped Shape
Type
No.
L
P
V
C
3
2.50–3.00
6
Taper Clearance
4
3.01–4.00
7
Effective Margin(S) Long
5
4.01–5.00
8
ESVX ESVXN
2 ≦ S ≦ V × 3
1.0 ≦ V ≦ P–0.6 V + 0.2 ≦ C ≦ P–0.4
20.00–110.00
4
Short Type
6
5.01–6.00
9
7
6.01–7.00
10
8
7.01–8.00
11
PartNumber– L – P – V – C – S ESVX5 – 70.00 – P4.50 – V3.50 – C4.00 – S3
注文例 Order
出荷日 Delivery
Quotation
227
228
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