Motor-incorporated spindle head unit

Details Motor-incorporated spindle head unit Motor-incorporated spindle head unit

1983-05-13

1986-04-08

Husar, Francis S.

Turning

Severing or cut-off

Interrelated means for tool infeed and circumrotation

82 30, 82DIG1, 310 90, 408239R, 409135, 409232, B23B 1902

Patent

active

045804710

ABSTRACT:
A motor-incorporated spindle head unit is provided with a rotatable spindle on which a rotor assembly of the drive motor is fixedly mounted. A stator assembly of the drive motor is arranged around the rotor assembly and is fixed to a housing of the spindle head unit. A heat insulating system for preventing heat transfer from the stator assembly of the drive motor to the spindle as well as the bearings supporting the spindle is arranged between the drive motor and the front part of the spindle. The heat insulating system uses the flow of air for forming a heat insulator during the operation of the spindle head unit. A cooling system for cooling the stator assembly of the drive motor is also incorporated in the housing of the spindle head unit.

REFERENCES:
patent: 806048 (1905-11-01), Baggaley
patent: 2055651 (1936-09-01), Burrell
patent: 2343875 (1944-03-01), Schwartz
patent: 2725775 (1955-12-01), Leifer
patent: 3062104 (1962-11-01), Deflandre
patent: 3701911 (1972-10-01), Hauerback
patent: 3862443 (1975-01-01), Edick
patent: 4133230 (1979-01-01), Inaba et al.

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