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Reproductive puncture egg needle toughness tester Details: The tester uses a 7-inch color LCD screen, and the Chinese menu displays: tube wall type, bending angle, nominal specifications, fulcrum and action point spacing, and bending times
.
The program is set by the PLC programmable controller and tested automatically
.
The working principle of the medical needle tube (needle) toughness tester is to fix one end of the needle tube, apply a force from the fixed point to the needle tube with a specified span, first in one direction, and then bend a specified angle in the opposite direction, so that the number of times of repeated bending, the experimental operation steps are as follows: 1, take the appropriate amount of injection needle tube, and firmly fix the needle body on the fixture; 2.
Firmly fix one end of the needle tube on the clamp, adjust the corresponding specified span load of the needle tube according to Table 3 to select the following bending angle, the normal wall is 25 °, the thin wall is 20 °, and the ultra-thin wall is 15 °
.
3.
Apply a force large enough at the specified span position, apply the force in both directions at a frequency of 0.
5Hz, and observe the breakage of the
needle with visual force.