SKD61 + Nitriding Concentricity ◎ 0.06 Head thickness JIS
STRAIGHT EJECTOR SLEEVES –L DIMENSION DESIGNATION TYPE–
Part Number – L – V – (KC/WKC … etc.) ESJL8 – 200.05 – V4 – KC4.0
High Speed Steel SKH51 Die Steel SKD61 + Nitriding
Alterations
Alteration details D P.225
Alterations Code
Spec.
Alterations Code
Spec.
Reduces the head thickness to less than standard. TC = 0.1mm increments E T/2 ≦ TC ＜ T, (T–TC) ≦ Lmax.–L (Dimension L remains unchanged) E Z dimension becomes shorter by (T–TC).
Single flat cutting D/2 ≦ KC ＜ H/2
KC
KC － 0.1 0
0 － 0.05
TC
TC
4mm
T
About Designation Unit and Tolerance for Key Flat Cutting
JIS (6/8mm)
WKC Two flats cutting D/2 ≦ WKC ＜ H/2
Reduces the head diameter. HC = 0.1mm increments E D ≦ HC ＜ H
T D Tolerance D ≦ 12 –0.01 –0.03 T V H7 Tolerance V ≦ 3 D ≧ 15 –0.01 –0.02
Part Number
Applicable center pin shaft diameter tolerance
T V Tolerance
0 － 0.1
※ Note that for sleeves with V dimension tolerance of H7, combination with center pins that have shaft diameter tolerance 0 –0.005 is not recommended. The reason for this is the fitting sections S are longer. (Details D P.219 )
WKC
HC
10mm
–0.01 –0.02
ESJL
E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft. Performs C chamfering on the tip. CGX = 0.1mm increments E 0.2 ≦ CGX ≦ 1.5 and CGX ≦ E Available when L ≦ 300 X Combination with RGX/CGZ/RGZ not available D–V 2 –0.1 Performs R chamfering on the tip. RGX = 0.1mm increments E 0.3 ≦ RGX ≦ 1.5 and RGX ≦ E Available when L ≦ 300 X Combination with CGX/CGZ/RGZ not available D–V 2 –0.1 Performs boring C chamfering on the tip. CGZ = 0.1mm increments E 0.2 ≦ CGZ ≦ 1.0 and CGZ ≦ D–V 2 –0.1 E Available when L ≦ 300 X Combination with CGX/RGX/RGZ not available Performs boring R chamfering on the tip. RGZ = 0.1mm increments E 0.5 ≦ RGZ ≦ 1.0 and RGZ ≦ D–V 2 –0.1 E Available when L ≦ 300 X Combination with CGX/RGX/CGZ not available
H7
Varied width parallel flats cutting D/2 ≦ KAC ＜ H/2 KBC = 0.1mm increments only KAC ＜ KBC ＜ H/2
KAC KBC
－ 0.1 0
－ 0.1 0
D(P) –0.01 –0.02
KAC
KBC
(1) To align the key flat with the shaft diameter Unit of designation 0.05mm increments possible
3.5 ≦ V ≦ 6 6.5 ≦ V ≦ 10 V ≧ 12
± 0.05 CGX 45 °
+ 0.010 0
+ 0.012 0
+ 0.015 0
+ 0.018 0
D(P) 0
CGX
–0.005
Two flats (right angled) cutting D/2 ≦ RKC ＜ H/2
RKC
b 1 (Range of Guaranteed Shaft-diameter Precision)
x 1
RKC － 0.1 0
L
◎ 0.003
0 –0.1
E The tolerance is
± 0.1
RGX
◎ 0.005
DKC Three flats cutting D/2 ≦ DKC ＜ H/2
even when D/2 is designated to fit to the shaft diameter.
RGX
0 － 0.1
DKC
DKC
◎ 0.01
L
R ≦ 0.5
D V H7
φ 0.06
－ 0.05 0
Four flats cutting D/2 ≦ SKC ＜ H/2
◎ 0.03
T
SKC
CGZ ± 0.05
(2) To designate
－ 0.1 SKC 0
0 － 5
arbitrary key flat dimensions Unit of designation 0.1mm
Z
S
CGZ
◎ 0.06
C = V + 0.5
＋ 0.05 0
45 °
＋ 0.02
AG °
）
（ L > 200
± 0.5
Two flats (angled) cutting D/2 ≦ KGC ＜ H/2 AG = 1° increments 0 ＜ AG ＜ 360
L
0 L
L
0 °
KGC
E S dimension depends on the designated L dimension. S = L–Z L
Standard
KGC
RGZ ± 0.1
80.00– 100.00
100.01– 120.00
120.01– 140.00
140.01– 160.00
160.01– 180.00
180.01– 225.00
225.01– 250.00
250.01– 275.00
275.01– 300.00
300.01– 325.00
325.01– 350.00
350.01– 375.00
375.01– 400.00
400.01– 425.00
425.01– 450.00
450.01– 475.00
475.01– 500.00
RGZ
120 ° 120 °
Total Length Designation
Three flats cutting at 120° D/2 ≦ KTC ＜ H/2
－ 0.1 120 ° 0
KTC
L
50 (60)
70 (80)
90 (100) 85 105 125 150 175 185 210 235 225 250 275 300 325 350
Z
Free Designation Shaft Diameter(P) Total Length Designation
KTC
E ( ) Applies to V1.5.
E b 1 (Range of guaranteed shaft diameter precision) (Details D P.221 ) x 1 max. = 35 Range of guaranteed base material hardness (Details D P.223 ) Range of guaranteed surface hardness for nitriding (Details D P.224 )
SKD61 + Nitrided
M Material H Hardness
Surface: 900HV– Base material: 40 ± 3HRC
E Note that the Stepped Center Pin's shaft diameter (D) is too large to fit in the recess (C). (Details D P.220 )
Stepped Shape
Part Number
L 0.01mm increments
V Selection
H
T
Taper Clearance
Type
D
80.00–140.00 140.01–200.00 80.00–140.00 140.01–200.00 80.00–225.00 225.01–300.00 80.00–225.00 225.01–300.00 80.00–300.00 300.01–450.00 80.00–300.00 300.01–450.00 80.00–300.00 300.01–450.00 80.00–300.00 300.01–375.00 80.00–300.00 300.01–450.00 450.01–500.00 80.00–300.00 300.01–450.00 450.01–500.00 80.00–450.00 450.01–500.00 80.00–450.00 450.01–500.00 180.01–500.00 180.01–500.00
1.5 2 2.5
4
Effective Margin(S) Long
2 2.5
8
1.5 2 2.5
4.5
Short Type
2 2.5
2 2.5 3
5
3
9
2 2.5 3
5.5
3
6
2 2.53 3.54
6
10
3 3.5
2 2.53 3.54
6.5
3 3.5 4
11
2 2.5 3 3.5 4 4.5
7
3 3.5 4 4.5 3 3.5 4 4.5
ESJL
7.5
12
3.5 4 4.5
2 2.5 3 3.5 4 4.5 5 5.5
8
3 3.54 4.55
13
5
2 2.5 3 3.5 4 4.5 5 5.5
9
3 3.54 4.55
14
5 5.5 6
8
4 4.55 5.56 6.57
10
15
5 5.56 6.57
4 4.55 5.56 6.57 8 8.5
12
17
5 5.56 6.57 8
15 20
9 10
20 25
12 15
Part Number – L – V ESJL6.5 – 115.50 – V2.5
Delivery Quotation
Order
259
260
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