FINE BORING HEADS
SERIES 310 EWN/EWB APPLICATION INFORMATION Autobalance boring heads, Series 310 EWB, maintain perfect balance throughout the work range due to the integrated counter-balance mechanism. The counterweight can only compensate for one size insert holder, so the work range is similar to EWN heads with a Size 1 insert holder. Series 310 EWN boring heads are pre-balanced at one position only; the mid-range of the tool carrier travel with a Size 1 insert holder. Adjustment of the bore diameter from this position and/or use of Size 2 and 3 insert holders will require reduction of cutting speed values due to increased unbalance forces.
Insert Holder
Pinion Gear
800
Counterweight
Tool Carrier
700
600
500
400
310 EWB
300
200
Insert Holder
Diameter Mid-Range Mass Adjustment
100
Tool Carrier
0
53
57
63
69
75
81
87
93
Boring Range (mm)
10.626.151-EWN Insert Holder Size 1 10.626.152-EWN Insert Holder Size 2 10.626.153-EWN Insert Holder Size 3 10.310.515A-EWB
310 EWN
EWB BALANCED FINE BORING HEAD RANGE: Ø1.260"-4.134" (Ø32-105mm) Even at max speeds balanced tools guarantee vibration-free boring, resulting in increased productivity and highest precision.
L
L 1
Catalog Number
Reference Number 10.310.315A 10.310.415A 10.310.515A 10.310.615A 10.310.616A
Weight (lbs.)
CK
ØD
ØD 1
L
L 1
Insert
EWB32-42E-CK3 EWB41-54E-CK4 EWB53-70E-CK5 EWB68-88E-CK6 EWB85-105E-CK6
CK3 CK4 CK5
1.260-1.654 1.614-2.126 2.087-2.756 2.677-3.465 3.346-4.134
1.181 1.496 1.929 2.480 2.480
1.575 1.850 2.244 2.795 2.795
1.457 1.693 2.087 2.646 2.646
.5 .9
TP07 TC11 TC11
1.8
CK6
3.7
TC11
ACCESSORIES
• EWB boring heads will be delivered with assembled insert holder
APPLICATION ADVICE PG. 503
SPARE PARTS PG. 565
INSERTS PG. 528
498
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