PCBN Solid Inserts for finishing hard Turning

The most common application area for PCBN is finishing of case hardened steel components where traditionally tipped inserts are used. By converting to solid inserts, a much more cost effective production can be achieved.

he most common application area for PCBN is finishing of case hardened steel components where traditionally tipped inserts are used. By converting to solid inserts, a much more cost effective production can be achieved.

On a solid insert the cost per edge is considerably lower than on a tipped insert.

A round solid insert will give maximum number of cutting edges per insert. See table below.

Depth of cut	No of cutting edges
[mm]	RNGN06..	RNGN09..
0.1	40	48
0.15	32	40
0.2	28	34
0.25	24	30
0.3	22	28
0.4	20	24
0.5	16	20

Where a round insert can´t be used, for example when you need to machine toward a shoulder a solid TNGN11…..will offer a very cost effective alternative.

A solid low PcBN TNGN11… insert offer 6 effective cutting edges and are easy to index.

Due to the new pricing structure for 2018 the price level for solid TNGN 11… in all low PcBN grades are considerable reduced and are now offering an even more cost competitive alternative to brazed inserts.

Component: Pinion

Material: 20MnCr5, SMG-H3

Hardness: 60 Hrc

Operation: OD Turning

Cutting speed: 220 m/min

Feed: 0.25 mm/rev

Depth of cut: 0.15 mm

Parts / edge: 220 pcs

Brazed alternative

Holder:

C5-DCLNL-35060-12-M

Insert:

CNGA120408S-01525-L1-B

Number of cutting edges: 2

Solid Inserts

Holder:

C5-CTJNL-35060-11

Insert:

TNGN110308S-01525

Number of cutting edges: 6

For more information, please contact your local Seco representative, or our PCBN team.

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