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PCBN Facemill R220.70/R220.74

PCBN Facemill R220.70/R220.74

Product catalog summary

Face Milling Overview
Face milling involves using cutters R220.70 and R220.74 with PCBN inserts for high productivity in machining grey cast iron and hardened steels. The R220.70 uses round inserts, while the R220.74 uses square inserts.

Specifications

Material: Case hardened steel (SAE 8620) and grey cast iron (GG25).
Hardness: 55-57 HRC for steel, 230 HBN for iron.
Cutters: R220.74-0080-09-6 and R220.70-8200-09-12.
Inserts: SNEN0903ENS-M08, CBN200 and RNGN090300S, CBN200.
Cutting data: vc 285 m/min, fz 0.075 mm/tooth, ap 0.50 mm.
Coolant: Not used.

Results

CBN200 provides 8 hours of machining time per edge.
Cycle time reduced from 6 hours with cermet to 1 hour with PCBN.
Tool life for CBN 200 is 437 minutes per edge.

High Precision Machining
The cutters feature adjustable pockets for high position accuracy and surface finish. Special wiper inserts are available for higher surface finishes.

High Performance Inserts
PCBN inserts offer high toughness and wear resistance, ensuring excellent edge quality and consistent performance.

Cost Effectiveness
PCBN's high speed and feed capabilities, combined with long tool life and precision, ensure high productivity and cost-effectiveness.

Main Benefits

Excellent surface finish.
Long tool life.
Cost effectiveness.

Cutter Features

Solid PCBN inserts with round and square options.
Adjustable inserts and special wiper insert pockets.
Negative geometry for long tool life.

PCBN Advantages vs. Carbide

Reduced energy consumption.
Higher metal removal rates.
Reduced machining times.
Improved quality and increased tool life.

Grades

CBN200: For rough and finish milling of grey cast iron and powder metals.
CBN060K: For finishing of hardened steels.
CBN150 and CBN160C: For various applications.

Catalog excerpts

APPLICATION CASES CONTACT & INFORMATION FACE MILLING Cycle time (hours) SECO MACHINING NAVIGATOR: Milling Catalogue & Technical guide 2009 ONLINE INFORMATION: Complete PCBN Face milling information: http://www. secotools. com/pcbn_facemilling Seco Tools international website: FINISHING FACE MILLING reed speed (mm/min Seco Tools AB, 737 82 Fagersta, Sweden. Tel +46 223 400 00. HIGH PERFORMANCE PCBN FACE MILLING CUTTERS

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FACE MILLING WITH PCBN CUTTER FEATURES The two face milling cutters R220.70 and R220.74 equipped with PCBN inserts are specially designed for high productivity face milling of grey cast iron and hardened steels. The R220.70 uses solid round inserts, and the R220.74 solid square inserts. HIGH PRECISION MACHINING The adjustable pockets allow for high position accuracy and security for optimum surface finish and production economy. For applications where even higher surface finishes are required, the cutter bodies have a separate pocket, also adjustable, which takes a special wiper insert. HIGH...

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PCBN Facemill R220.70/R220.74

PCBN Facemill R220.70/R220.74

Catalog excerpts

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