| 摘要 |
Limit switch control of crosshead materials testing machine movement in which a rod carrying slides selectively fixedly mounted thereon moves an actuator in a base, the actuator including camming surfaces and the base carrying limit switches actuatable by the camming surfaces, the actuator being slidable in the base between a neutral position to which it is biased and other positions to which the actuator is urged by the slides through the rod and slides pursuant to crosshead imposed forces.
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