Abnormal tooth profile - tooth profile periodic error

Abnormal tooth profile - tooth profile periodic error

main reason

1) After the hob is installed, the radial runout or axial play is large

2) Uneven rotation of the machine table

3) Eccentric installation or tooth surface bumping of cross-wheel or split-tooth exchange gear

4) The tool holder slide plate is loose

5) Unreasonable workpiece clamping produces vibration

Solution

1) Control the installation accuracy of the hob

2) Check the axial movement of the indexing worm of the machine tool table, and adjust and repair it.

3) Check the installation and operation of the span wheel and split-tooth exchange gear

4) Adjust the plug iron of the knife holder slide

5) Reasonable selection of the correct solution for workpiece clamping