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CHAMGUN


New CHAMGUN for Deep Hole Drilling


CHAMGUN enables replacement of the drilling head inside the machine – there is no need to remove the drill for head indexing.

The CHAMGUN is the ultimate economical solution for deep drilling.

A polyamide plastic key is available for clamping and removing the CHAMGUN head.

The Drill Pocket
The drill features an innovative unique pocket which can undergo at least 15 head replacements.
The connection between the pocket and tube is done by a new welding process for high torque resistance.

A single CHAMGUN body can carry many different types of drill head profiles, designed for use on various materials.

Each drill body can carry standard drilling heads within a range of 0.2-0.3 mm (.008 to .012").

The CHAMGUN drill range is 9.8 to 20.2 mm (.386 to .795"). Drilling heads are available in half and whole sizes as standard items.

Each drill pocket can carry a variety of drilling head diameters and head geometries.

Features
• No setup time
• Various chipformers are available
• Carbide grades – coated and uncoated
• Profiles – standard pad profiles
• Drilling precision of IT7 to IT9 tolerance can be achieved
• Excellent straightness and concentricity – comparable to using brazed drills
• Maintains high hole precision center alignment
• Surface roughness of 0.4-1.6 Ra (16-64 µin) is easily obtained
• Re-boring operation is often unnecessary
• The insert can be replaced at least 15 times
• It is possible to regrind and recoat the drilling head up to 10 times, still obtaining good repeatability.