| 摘要 |
The proposed device for determining the design parameters of a conveyer screw contains a bar, a linear scale, two jaws, a movable frame with a vernierscale, and a lock screw. At the lower plate of the device, a support with a through square opening is arranged. The dimension of the opening exceeds the diameter of the conveyer screw. The lower supporting element of the screw is fixed to the lower part of the said support opening.
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