PRODUCT SELECTION FOR STEPPED CORE PINS
■ Selection Method for One–Step Core Pins
■ Selection Method for Two–Step Core Pins
Step Step shape
Shape Tip shape
Step2
Shape Tip shape
Step1
Shape of the second step
Shape of the first step
F
F
Y
L
L
CP □ (J ＊ )
– 1 □□
C □ □ □ C □ □ B □
Shaft diameter (D) selection Shaft diameter (P) designation Shaft diameter (D) selection Shaft diameter (P) designation
Shaft diameter (D) selection Shaft diameter (P) designation Shaft diameter (D) selection Shaft diameter (P) designation
Tapered
Tapered
CP □ (J ＊ ) B – 1 □□
CP □ CP □
□□ □□
C □ S □ □ □ C □ S □ B □ □
S – BS –
Taperless
Taperless
＊ Only JIS type is applicable ＊ No need to designate blank column
＊ No need to designate blank column
Material code
Tip shape code
Step–type shape code
First–Step shape code
Second–Step shape code
Material code
Tip shape code
Step (Step shape)
Shape (Tip shape)
Step1 (First–Step shape) Tapered Taperless
Step2 (Second–Step shape) Tapered Taperless A
Shape (Tip shape) Taperless
Material name
Material name
Group Code
Group Code
Tapered
Taperless
Tapered
Taperless
S ( No tip
processing )
S ( No tip
processing )
No processing
A
CA
M
Extra Precision
SKH51
M
SKH51
Extra Precision
V
SKH51
V
SKH51
Precision
Z
SKD61
Precision
Z
SKD61
C
C
C
H
SKH51
B
B
CB
CB
B
B
H
P
SKH51
SKD61
K
NAK80
P
SKD61
Standard Shaft diameter tolerance 0 –0.005
G
G
G
G
DH2F
Standard Shaft diameter tolerance 0 –0.005
K
NAK80
EH
C
C
CC
CC
C
C
45°
G
DH2F
RH PROVA400
45°
45°
T
T
T
W
SUS440C
W
SUS440C
Y
MAS1C
Y
MAS1C
D
D
CD
CD
D
D
X
SKH51
45°
X
SKH51
45°
45°
R
R
R
D
SKD61
D
N
SKD61
NAK80
Standard Shaft diameter tolerance
Standard Shaft diameter tolerance
F
DH2F
N
NAK80
E
E
CE
CE
E
E
–0.01 –0.02
–0.01 –0.02
B
B
B
TH
R
R
R
F
DH2F
QH PROVA400
A
MAS1C
A
MAS1C
is a registered trademark of UDDEHOLM TOOL CO.
E Refer to P.321 / P.355 for the tip finish of the Steps–type Round Core Pins and product data.
363
364
Powered by FlippingBook