Boring Heads
PRECISION BORING HEADS EWN
SERIES 310 Ø 20-203
Multifunctional and balance optimized for highest precision and efficiency.
The EWN single cutter boring tool program for finishing covers a range of Ø 20-203mm with only 7 precision boring heads. Three insert holders for different diameter ranges are available for each boring head. Mounting insert holders No. 2 or No. 3 in the opposite direction, the boring head is perfectly suitable for back boring.
Due to the optimized balance over the whole adjustment range, cutting speeds up to 1200 m/min are permitted.
Features:-
- Large work range due to 3 different insert holders for each boring head.
- Insert holder can be mounted in opposite direction for an easy changeover to back boring.
- Balanced at the midpoint of the adjustment range for high spindle speeds and improved bore quality.
- CKB – tool connection with cross bolt for simple orientation of the tool connection.
- Coolant supply to the cutting edge, from Ø41 with adjustable coolant nozzle for sizes EWN41 and larger.
- Highest accurate, purely radial cutting edge adjustment by means of a ground and play free micrometer spindle.
- Indirect and combined clamping system for tool carrier and adjusting dial.
- Large dial disc and vernier. Adjustment precision: 1 Div. = 0.01mmØ, with vernier 0.002mmØ.
- High quality coated tool body for complete protection against corrosion.
PRECISION BORING HEADS EWN
Standard holder with 87° entering angle, suitable for fine boring in through-and blind holes. Three different insert holders for the extension of the diameter range and for back boring applications.
