FIELD: machine-tool manufacture. SUBSTANCE: chip limiter is located on the spindle of head placed in housing 1. The chip limiter is made in the form of U-shaped cover 8 which is rigidly connected with spindle and washer 11 whose inner hole coincides with the profile of drill cross-section. EFFECT: facilitated manufacture. 2 cl, 4 dwg
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|---|---|---|---|
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|
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|
RU2167032C2 |
