|
Lens Magnification |
2D Measurement Range (mm) |
3D Measurement Range (mm) |
|
20X |
0.015-0.200 |
0.020-0.035 |
|
10X |
0.035 - 0.450 |
0.035 - 0.110 |
|
3X |
0.110 - 1.50 |
0.110 - 1.000 |
|
1X |
0.350 - 5.00 |
0.400 - 4.000 |
|
0.5X |
0.700 - 9.00 |
0.800 -8.500 |
|
0.25X |
1.00-20.00 |
2.00-20.00 |
|
0.1X |
4.00-45.00 |
4.00-45.00 |
Switch to a lower-magnification lens. For example, if you are using a 10× lens, switch to 3×.
Move the die stage and look for a bright spot in the software image. Once found, move the bright spot to the center of the image, then adjust the Z-axis until the double-ring image becomes clear.
Switch back to the original magnification. Move the die stage again to center the bright spot, then adjust the Z-axis until the double-ring image is clear. If the image is already clear after switching back, no further Z-axis adjustment is needed.
Ar(%) is an input parameter used to calculate the bearing length.
Ar1(%) and Ar2(%) are input parameters used to calculate the reduction angle. Their positions in the measurement interface are shown below:
In the example above, Ar(%) = 2.2. This means the bearing length is calculated based on the position where the die bore cross-sectional area reaches (1 + 2.2%) × A, where A is the minimum cross-sectional area of the die bore.
Starting from the minimum area A (purple dashed line below), the area increases by 2.2%, creating two positions as indicated by the blue arrows. The calculated bearing length in this example is 33%.
Ar1(%) = 5.0 and Ar2(%) = 20.0. The reduction angle is calculated using the positions where the die bore cross-sectional area reaches (1 + 5.0%) × A and (1 + 20.0%) × A.
Starting from the minimum area A (purple dashed line below), the area increases by 5% and 20%, creating two positions shown by the green arrows. The calculated reduction angle in this example is 15°.
Note: The die bore cross-sectional area is calculated from the radius along the die center axis, so two bearing length values and two reduction angle values can be obtained.
The effective bearing length is calculated using the following formula:
Effective Bearing Length = (Overlap of the Left and Right Bearing Zones + (Left Bearing Length + Right Bearing Length) / 2) / 2
This value is designed to represent the actual effective bearing length of the wire drawing die as accurately as possible.
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