Deep Hole Drilling Applications

Mollart has specialised in Deep Hole Drilling since the development of its first dedicated gundrilling machine in 1965.

For a simple Deep Hole Drilling enquiry, we have over 30 Mollart machines installed in three factory locations in the UK – Chessington, Surrey – Chesterfield, Derbyshire – Neath, South Wales – ranging from small hole machines down to 0.5mm diameter through to large deep holes up to 300mm diameter and 3 metres deep and multspindle machines for high volume parts.

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Materials drilled

Inconel 718
Hastelloy
Nimonics
Titanium
Carbon Steels
Alloy Steels
Exotics and Composites

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Mollart’s Deep Hole Drilling Capabilities

	CNC BTA centre-line Deep Hole Drilling producing 20 – 70mm diameters x 2000mm deep in solid shafts on a Mollart Boremaster.
	Deep Hole Gundrilling on a Mollart Prismabore 3-axis Machining Centre. 3.2m long X 8mm diameter drilling application in Data Alloy material for the Oil Industry. Machine drilling 3 x 8mm holes on Pitch Circle Diameter with thin wall thickness on outside of component. Time taken: 1 hour 20 minutes!
	Mollart CNC Omnisprint Twin Spindle 3-axis Deep Hole Drilling machine capable of drilling 2.5 – 20mm diameters x 750mm deep. The Knee-table can hold components up to 1 tonne on a working envelope of 500 x 300mm.
	Deep Hole Gundrilling on Mollart Microdrill 3-axis machine. Pitch Circle of small holes drilled 0.5mm diameter x 50mm deep. Gundrilling offers improved cycle times and improved bore tolerancing over conventional EDM-equivalent diameter machining.
	Mollart’s Deep Hole Drilling service is enhanced by a selection of Honing machines where ultra-high bore surface finishes are required. Horizontal Honing machine for achieving top quality surface finishes in bores 3-250mm diameter and up to 1500mm deep.