① Fine-tune boring tools structure Fine-tune boring tools have a sophisticated dial, dial nut with the head of the screw a pair of precision screw nut, turn the dial, and driven by the screw head for linear motion, in order to achieve the fine-tuning. Fine-tuning hole boring tool commonly used in the semi-fine boring and fine boring processing. Fine-tune the boring tool used structure as shown in the figure.

Fine-tune Boring Tools Structure

1 - Boring head; 2 - Fine-tune nut; 3 - Screw; 4 - Wave washer; 5 - Adjusting nut; 6 - Fixed seat cover

②Fine-tune boring tools installation

Rectilinear and oblique shaped two in the form of fine-tune boring tools installation of the tilt angle shaped usually 53 ° 8 ', 53 ° 8' sine value of 0.8, the engraved lines marked on the dial, intuitive readings, as shown.

Fine-tune Boring Tools Installation

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