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Q. |
Which of the following is true for trigger type probe system used in computer controlled CMM? |
A. | bucking mechanism is a 2 point bearing |
B. | current coordinate position stored when circuit is close |
C. | contacts of point bearing arranged at 90 degree |
D. | contacts of point bearing act as electrical micro switches |
Answer» D. contacts of point bearing act as electrical micro switches | |
Explanation: the “buckling mechanism” in trigger type probe system is a 3 point bearing, the contacts of which are arranged around the circumference at 120 degrees. these contacts act as micro switches. |
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