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August 2018

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Gundrilling Machine with Improved Workholding Fixture



The Eldorado M75-30T is a twin-spindle gundrilling machine with a redesigned counter-rotation fixture.

To maximize the effectiveness of the gundrilling operation, it is ideal for the workpiece to be rotated in the opposite direction of the drill rotation. This improves the straightness of the drilled hole and reduces drill drift. The new counter-rotation fixture on the M75-30T features an improved gearbox and motor mount that reduces vibration. The new design also introduces automatic advance/retract of the entire counter-rotation assembly via a programmable servo, which simplifies part loading and unloading and reduces cycle time.

The M75-30T has a 0.75" (19 mm) diameter drilling capacity and a 30" (762 mm) maximum drilling depth. It has two gundrilling spindles utilizing independent spindle control, which enables it to perform two independent drilling cycles at the same time.

The machine incorporates flame-hardened and ground cast iron box ways and hand-scraped spindle housings for enhanced vibration damping and extended tool life.

For more information contact:

Kays Engineering, Inc.

900 Industrial Dr.

Marshall, MO 65340

660-886-9929

info@kays-dehoff.com

www.kays-dehoff.com/eldorado/m75

IMTS 2018 Level 3, Booth S-338376

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