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Chinese Journal of Mechanical Engineering

Table 3 Numerical interval of auto-sorting orthogonal test factor

From: Design and Experimentation of Automatic Tidying and Sorting Mechanism for Blood Collection Needles in Stacking State

Experimental factors

Material quantity

A (Root)

Channel dip angle

α (°)

Vibration frequency

f (Hz)

Numerical range

20–30

9–15

51.5–52.5

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