Основной каталог Kyocera 2021 - 2022 - страница 737

3. Center height adjustment

a) When there are no remaining cores and insert breakage near the center of the drill.

This happens when the inner insert is set above the center height. (Fig. 7)

Fig. 7 Insert breakage near the center of the drill

Most problems will be solved by this method. (Fig. 8) X-axis of the machine

of the machine Center of spindle

Center of spindle

Inner edge

Inner edgeInner edge Center of drill

Center of drill Inner edgeInner edge Zooming near the center Zooming near the center Fig. 8

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[How to adjust] Center height adjustment by moving the tool Higher 2. If the core diameter becomes too large after the above adjustment, install the X-axis of the machine drill by rotating 90° counter-clockwise as shown in Fig. 9 (Outer insert is positioned Center of spindle

lower) and adjust the center height by moving the tool in the Inner edge Lower

90˚ Rotation X-axis direction. X-axis of the machine 90 (However, this will make it impossible to adjust the cutting diameter.) ˚

Caution: In case of installing the drill in the reverse direction (outer insert is Inner edge

positioned above), the hole diameter will become smaller, which may

cause the drill body to interfere with the drilled hole. Center of drill The best solution is to readjust the center position of the turret itself. Outer edge

Inner edgeInner edge Zooming near the center Inner insert positioned too far below center Fig. 9

b) Core with excessively large diameter (More than 1mm)

This occurs when the inner insert is excessively below the center. This condition causes poor chip evacuation and an adjustment is required.

[How to adjust] Center height adjustment by moving the tool Lower

Install the drill rotating 90˚ as shown in Fig. 10. (Outer insert is positioned on the

upper side) and adjust the center height by moving tool in the X-axis direction. Inner insert is positioned excessively below the center. Outer edge

(However, this will make it impossible to adjust the cutting diameter.) 90˚ Rotation Higher

positioned lower), the hole diameter will become smaller, which may cause the Outer edge drill body to interfere with the drilled hole. The best solution is to readjust the center position of the turret itself.

Inner edge Inner edge Fig. 10