Kyocera - Основной каталог 2011-2012 ENG
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Face Grooving Diameter of GFV
e.g.) GFV …-201A
Description Face Grooving It is available to infinity in case of machining
Dia. D Applicable Inserts the first groove bigger than MIN.
MIN. MAX. It is available to infinity when machining
toward outer diameter.
GFV 2020K-201A 20 GVF 200A~340A
When widening the groove width to inner diameter.
2525M-201A (12) ( ) GVF 100AR~150AR Face groove diameter D MIN (12) is the limit; the toolholder
interferes with the workpiece in case of smaller than 12.
When machining the initial groove on the face of MIN. 20
If the initial groove is made smaller than this,
the toolholder interferes with the workpiece.
20 (Min. Face Grooving Dia) (Min. Face Grooving Dia) (Min. Face Grooving Dia) 20 (Min. Face Grooving Dia) (Min. Boss Dia.)
16 (Boss Dia.) (Min. Boss Dia.)
(Boss Dia.)
20 20 4 12
13.2 12
(Widening the Groove
2 (Width) 3.4 (Width) 4 Width to Center) G
(Widening the Groove
Width to Center)
Installing GVFR200A Installing GVFR340A Installing GVFR200A Installing GVFR340A
e.g.) GFV …-351B / 352B (same as GFV …- B type, GFV …- C type) Grooving
Description Face Grooving
Dia. D Applicable Inserts
MIN. MAX. It is possible to widen the groove to
infinity when machining the initial groove
GFV 2020K-351B GVF 250B~350B within MIN-MAX. and then widening to outer diameter.
2525M-351B 35 50 GVF 150BR
2020K-352B (25) ( ) GVF 400B~490B
2525M-352B GVF 200BR
When machining the initial groove on the face at MIN.35 When machining the initial groove on the face at MAX.50.
If the initial groove is made smaller than this, If the first groove is bigger than this,
the toolholder interferes with the workpiece. the toolholder intereferes with the workpiece.
35 35 25.2 50 50
(MIN. Face Grooving Dia) (MIN. Face Grooving Dia) (Boss Dia.) (MAX. Face Grooving Dia) (MAX. Face Grooving Dia)
2.5 (Width) 30
45 40.2
(Boss Dia.) (Boss Dia.) (Boss Dia.)
4.9 (Width) 2.5 (Width) 4.9 (Width)
Installing GVFR250B Installing GVFR490B Installing GVFR250B Installing GVFR490B
When widening the groove width to inner diameter.
Face Grooving Dia.D MIN.(25 Boss Dia.) is the limitation regardless of insert width,
even widening the groove width to the center from the initial groove at D MIN.(35) or D MAX.(50).
The toolholder interferes with the workpiece when closer to the center.
35 25 35 25 50 50
(MIN. Face Grooving Dia) (Min. Boss Dia.) (MIN. Face Grooving Dia) (Min. Boss Dia.) (MAX. Face Grooving Dia) (MAX. Face Grooving Dia)
25 25
(Min. Boss Dia.) (Min. Boss Dia.)
5 5 12.5 12.5
(Widening the Groove (Widening the Groove (Widening the Groove (Widening the Groove
Width to Center) Width to Center) Width to Center) Width to Center)
Installing GVFR250B Installing GVFR490B Installing GVFR250B Installing GVFR490B
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