Kennametal 3902241 Modular Turning Profiling Head KM40

Product Description

The KENNAMETAL 3902241 is a modular turning profiling head designed for use with KM40 quick-change tooling systems. It features a right-hand cutting direction and a head length projection of 45 mm (1.7717 inches). The center-to-cutting-edge distance is 27 mm (1.063 inches), a critical dimension for tool offset setup and part geometry. This head accepts VN.. style inserts secured by a clamp-style insert holding method and supports through-coolant delivery to manage heat at the cutting zone. It is installed and set up by machinists and CNC tooling technicians.

This profiling head is suited for turning and profiling operations on CNC lathes and turning centers equipped with the KM40 modular interface. The through-coolant feature makes it appropriate for applications where chip evacuation and thermal control are priorities, such as continuous cuts in steel, stainless, or other machinable alloys. Compatible insert styles include VN..160408 and VN..332, giving the operator flexibility in nose radius and edge geometry selection for finish and semi-finish profiling passes.

Key Features

• KM40 modular interface for repeatable, rigid tool coupling on compatible turning centers
• Right-hand cutting direction for standard OD turning and profiling operations
• Through-coolant support directs fluid to the cutting edge for improved chip control and tool life
• Clamp-style insert retention for positive, secure insert seating under interrupted and continuous cuts
• 27 mm center-to-cutting-edge dimension supports precise tool offset programming
• Compatible with VN..160408 and VN..332 insert geometries for versatile profiling applications

Compatibility

Accepts VN..160408 and VN..332 inserts. Designed for use with KM40 modular tooling interfaces on compatible CNC turning centers using the M-Clamping series system.

Installation Notes

Installation should be performed by a qualified machinist or CNC tooling technician familiar with modular quick-change tooling systems. Ensure the machine spindle and turret are fully powered down and the coolant supply is isolated before mounting or removing the head. Verify the KM40 coupling surfaces are clean and free of chips or burrs before seating the head, as contamination will affect runout and repeatability. Confirm through-coolant passages are clear and the supply pressure is within the machine specification before resuming operation.