PCBN Insert "SUNNITE TWIN"

Product Overview

Single-use type (no regrinding required) for iron-based materialsCBN “Sun-Night Twin” indexable inserts for iron-based materials. They offer excellent cost-effectiveness, and the two corners areCBN cutting edges, they help reduce tooling costs during machining.

Application

• Cutting of cast iron, Hardened steel, Sintered metals, and Rolled materials

Product Features

Standard models

Shape	Chip Appearance	Model SN-A	Type SN-B	Model SN-G	Model SN-Q	Model SN-H	Type SN-N	Model SN-R
C80°		●	●	●	●	〇	△	△
C80°			●		●
D55°		●	●	●	●	〇	△	△
D55°			●		●
V35°		●	●	●	●	〇	△	△
S90°		●	●	●	●	〇	△	△
T60°		●	●	●	●	〇	△	△
T60°			●		●
T60°			●		●

Scroll

*●=Standard stock models 〇=Semi-Standard stock models (confirmation required) △=Make-to-order models

PCBN GRADE

Grade	Binder	CBNContent (%)	Average Particle Size (μm)	Hardness (HV)	Bending strength (GPa)	Application
SN-A	Co	90	2	3000	0.91	Gray cast iron (high peripheral speed), sintered metal / continuous, interrupted
SN-B	TiC	50	1–2	2700	0.9	Quenched steel (high-speed continuous), gray cast iron (low-speed) / Continuous
SN-G	Co+Al	85	1–2	3700	0.98	Gray cast iron (high peripheral speed), sintered metal / continuous, interrupted
SN-Q	TiN	45	0.5–1	2600	1.05	Hardened steel (HRC45 or more) / heavy interrupted
SN-H	TiCN	65	1–4	2500	1.15	Hardened steel (HRC45 Quenched steel (HRC45 or higher), gray cast iron (low peripheral speed) / heavy interrputed
SN-N	Ti	95	3	3700	0.95	Gray cast iron (high peripheral speed), sintered metal / continuous, interrupted
SN-R	TiN	65	1–2	3000	1.05	Hardened steel (HRC45 or more) / heavy interrupted

Scroll

We can also cater for alternative shapes not listed above, such as options with wiper, and breaker.