STRAIGHT CENTER PINS
STRAIGHT CENTER PINS WITH TIP PROCESS
 |
 |
Center pin shaft dia- meter tole- rance |
Appli- cable ejector sleeve hole(V) tole- rance |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Material | Head Thick- ness (T) |
Shaft diameter tolerance |
Shaft diameter(D) selection type |
Shaft diameter(P) 0.01mm increments |
||||||
 |
4mm (T4) |
0 -0.005 |
CPH-5L□ | CPHG-5L□ | 0 -0.005 |
+0.005 0 |
||||
| -0.01 -0.02 |
CPHE-5L□ | CPHGE-5L□ | -0.01 -0.02 |
+0.01 0 or H7 |
||||||
| 6·8mm (JIS) |
0 -0.005 |
CPHJ-5L□ | CPHJG-5L□ | 0 -0.005 |
+0.005 0 |
|||||
| -0.01 -0.02 |
CPHJE-5L□ | CPHJGE-5L□ | -0.01 -0.02 |
+0.01 0 or H7 |
||||||
 |
4mm (T4) |
*Reference tolerance -0.01 -0.02 |
CPN-5L□ | CPNG-5L□ (Shaft diameter 0.1mm increments) |
-0.01 -0.02 |
+0.01 0 or H7 |
||||
| 6·8mm (JIS) |
CPJ-5L□ | CPJG-5L□ (Shaft diameter 0.1mm increments) |
||||||||
 |
4mm (T4) |
*Reference tolerance -0.01 -0.02 |
RDCPN-5L□ | - | -0.01 -0.02 |
+0.01 0 or H7 |
||||
| 6·8mm (JIS) |
RDCPJ-5L□ | - | ||||||||
SELECTION METHOD FOR STRAIGHT CENTER PINS WITH TIP PROCESSED
Material characteristics of center pins
| Material | High Speed Steel SKH51 |
Dies Steel SKD61+Nitrided |
|
|---|---|---|---|
| Hardness HRC | 58~60 | Surface base:900HV~ material:40~45 |
|
| Machining characteristics |
Wear resistance | 5 | 4 |
| Ability to be mirror-finished | 4 | 3 | |
| Toughness | 3 | 4 | |
| Corrosion resistance | 3 | 3 | |
| Physical characteristics |
Density [g/cm3] | 8.2 | 7.75 |
| Modulus of longitudinal elasticity [kgf/mm2] | 22300 | 21000 | |
| Coefficient of thermal expansion [×10-6/°C] | 10.1 | 10.8 | |
| Thermal conductivity [cal/cm·sec·°C] | 0.051 | 0.061 | |
| Mechanical characteristics |
Tensile strength [kgf/mm2] | 235 | 135 |
| Charpy impact value [kgf·m/cm2] | 2 | 4 | |
Conversion formula
1kgf/mm2=9.81N/mm2
1cal/cm·sec·°C=418.6W/M.K
1kgf·m/cm2=9.81J/cm2
Use these data for reference only as they are dependent on specific heat treatment and usage conditions.
While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Please use the inquiry form.
Customer Privacy Policy