SKH51 Concentricity ◎ 0.01 Wall thickness 0.6mm–
SHORT EJECTOR SLEEVES (BUSHINGS FOR STRAIGHT EJECTOR PINS) –TAPERED TYPE–
Part Number
– L – V – (KC/WKC...etc.)
High Speed Steel SKH51 Die Steel SKD61 + Nitriding High Speed Steel SKH51
Alterations
– 29.00 – V2.00 – KC2.4
EPBB–H4
Alteration details D P.225
Alterations Code
Spec.
Alterations Code
Spec.
AG °
± 0.5
Two flats (angled) cutting KGC = 0.1mm increments AG = 1° increments D/2 ≦ KGC ＜ H/2, 0 ＜ AG ＜ 360 Three flats cutting at 120° KTC = 0.1mm increments D/2 ≦ KTC ＜ H/2
Single flat cutting KC = 0.1mm increments D/2 ≦ KC ＜ H/2
0 °
KC
KGC
KC － 0.1 0
KGC
4mm
120 ° 120 °
JIS (6/8mm)
Two flats cutting WKC = 0.1mm increments D/2 ≦ WKC ＜ H/2
E b 1 (Range of guaranteed shaft diameter precision) (Details D P.221 ) x 1 max. = 10
－ 0.1 120 ° 0
Applicable center pin shaft diameter tolerance
T D Tolerance
T V Tolerance
WKC
KTC
Part Number
0 － 0.1
WKC
KTC
+ 0.005 0
0 –0.005 0 –0.005
0 –0.005
10mm
EPBBH
Reduces the head thickness to less than standard. TC = 0.1mm increments E 2.0 ≦ TC ＜ 4, 4–TC ≦ Lmax.–L (Dimension L remains unchanged) E Dimensions (L–S) become shorter by (4–TC).
Varied width parallel flats cutting KAC, KBC = 0.1mm increments only D/2 ≦ KAC ＜ KBC ＜ H/2 Two flats (right angled) cutting RKC = 0.1mm increments D/2 ≦ RKC ＜ H/2 Three flats cutting DKC = 0.1mm increments D/2 ≦ DKC ＜ H/2
KAC KBC
EPBB–H
D(P) –0.01 –0.02 –0.02
－ 0.02 0
－ 0.02 0
+ 0.01 0
–0.01 –0.02
0 － 0.02
TC
KAC
KBC
TC
–0.01 –0.02
EPBB–M
4
D(P) 0
–0.005
RKC
Reduces the head diameter. HC = 0.1mm increments E D ≦ HC ＜ H
RKC － 0.1 0
EPBBH/EPBB–H
EPBB–M
◎ 0.003
x 1
b 1 (Guaranteed Range of Shaft-diameter Precision)
HC
E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft.
◎ 0.005
DKC
0 － 0.1
DKC
DKC
◎ 0.01
◎ 0.03
R ≦ 0.5
V
V
－ 0.02 0
T = 4
－ 0.01 － 0.02
0 － 0.005
φ 0.01
◎ 0.06
D
D
＋ 5 0
S ＝ 3
＋ 0.02 0
L
Standard
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)
Free Designation Shaft Diameter(P) Total Length Designation
Part Number
0.01mm increments
H
T
Cmax.
Type
D
L
V
Stepped Shape
2.5
1.00–1.30
5
2.1
Taper Clearance
EPBBH
3
1.31–1.80
6
2.6
Effective Margin(S) Long
+ 0.005 0
( D 0
–0.005 ) ( V
)
4
1.91–2.80
7
3.6
Short Type Short Type
EPBB–H
15.00–50.00
5
2.91–3.80
4
8
4.6
+ 0.01
( D 0
–0.005 ) ( V
0 )
6
3.91–4.80
9
5.6
EPBB–M
7
4.91–5.80
10
6.6
+ 0.01
( D –0.01
–0.02 ) ( V
0 )
8
5.81–6.80
11
7.6
E Cmax. ≧ C ≧ V + 0.5
Part Number – L – V EPBB–H4 – 29.00 – V2.00
Order
Delivery Quotation
233
234
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