Page 119 - Turning_catalog_INCH_2022_45_P509-690

HFIR/L-MC CDX DCONMS
Boring Bars for Internal
Grooving and Turning WF
CWN-CWX HF
OAL CW/2

Designation DCONMS CWN (1) CWX (2) CDX OAL WF HF FACE GROOVING
HFIR/L 15.9MC .625 .118 .236 .197 5.906 .438 .295 SR M5X16 DIN912 HW 4.0 PL 062
HFIR/L 19.05MC .750 .118 .236 .197 6.693 .438 .354 SR M5X16 DIN912 HW 4.0 PL 075
HFIR/L 25.4MC 1.000 .118 .236 .197 8.000 .450 .460 SR M5X16 DIN912 HW 4.0 PL 100
HFIR/L 31.7MC 1.250 .118 .236 .197 10.000 .570 .570 SR M6X20 DIN912 HW 5.0 PL 125
HFIR/L 38.1MC 1.500 .118 .236 .197 12.000 .700 .670 SR M6X20 DIN912 HW 5.0 PL 150
• DGN & GRIP 4 - 6 inserts can be used only with right-hand tools, HGPL 4 - 6 inserts with left-hand tools
• After initial groove, no limitation to widening groove outward or toward center
• For user guide, see pages 607-612, 663-669
(1) Minimum cutting width
(2) Maximum cutting width
For inserts, see pages: DGN-MF (537) • DGN-W (534) • DGN/DGNC/DGNM-C (533) • DGN/DGNM-J/JS/JT (535) • GRIP (277) • GRIP (full radius) (278)
• GRIPA (278) • GRIPA (full radius) (279) • HFPR/L (629) • HFPR/L (full radius) (629) • HGPL (631)
Boring Internal Face Grooving Internal Face Recessing

HFIR/L-: MC Integral Boring Bars Insert Initial Face Grooving Range
For shallow, internal face machining to max. .197” depth of groove. D
One boring bar can be mounted with inserts of .157-.236” widths. W Min. Max.
The initial major diameter groove is limited by the insert geometry of each size. .157 .906 3.543
After initial groove, face recessing outward or toward center is not limited by insert geometry. .197 .827 11.81
Boring, Face Grooving & Face Recessing Capacity .236 .787 ∞
Boring Face Grooving Face Recessing
B Min.=F+d/2+W/2+2G D Min.=2F+d+W-B+2G P Min.=2F+d-W-B+2G

D B
B P B

.197max

G (1) G (1) G (1)

Bmin. Dmin. B Pmin. B

(1) The minimum recommended value for clearance (G) is .020”.

627