Seco Octomill 06: more then just a face mill

Octomill 06: Seco's Face Mill offers High Performance and User-Friendly Design

New indexable face milling cutter: Seco Octomill 06 

The cutting tool market focuses heavily on developing new double-sided solutions for indexable milling cutters. Single-sided solutions however are often preferred and requested due to higher edge utilization, lighter cutting behavior and broader material coverage. 

Seco’s new Octomill 06 (generation) tackles the major challenges of single-sided face milling inserts, with easy and secured insert handling. Combine the best of two worlds for indexable face milling cutters: the benefits of a single-sided system with similar insert handling of a double-sided system. 

The indexable face milling cutter Seco Octomill 06 keeps strength and overcomes weakness by merging the light cutting behavior of an OF-style solution and the cutting edge strength / robustness of an OD-style solution. 

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How to choose the right cutter option?

When choosing a face milling cutter, it’s specifications are important for you to know. Seco’s new Octomill cutter offering includes 3 pitches in the core diameter range from 63 – 125 mm. Ideal to adjust the tooling to your application and challenges. Depending on the cutter pitch and radial engagement multiple inserts are in contact with the workpiece and impacting the risk of vibrations. 

Coarse pitch 

Problem solver for unstable set ups and low power machines due to the lowest cutting forces

Achieve comparable removal rates with increased dept of cut or feed per tooth.

Improve price performance ratio thanks to reduced number of inserts per cutter.

Differential pitched design reduces harmonics during machining

Normal pitch 

First choice for most applications due to good balanced between cutting forces and performance.

Differential pitched design reduces harmonics during machining

Close pitch 

Highest productivity and tool life in stable set ups

Remain acceptable chip thickness for certain geometry and materials.

Cassette cutter 

Versatility of adjustment to eliminate or reduce axial runout

Ability to replace one pocket by replacing a cassette instead of entire cutter body in case of a damage

Disadvantages are more spare parts, limited number of teeth and slightly higher radial run out due to more parts in the tolerance chain.

Table1_octomill

Due to the shared pocket of multi-insert approach, an insert change from face to round has an impact on the outer dimensions of the indexable face milling cutterr. The table lists the nominal DC and DCX values depending on the insert shape as well as cutter choice. Consider that round and high feed cutters are always dimensioned based on the maximum outer cutting diameter called DCX. Face milling cutters are always designed based on the cutting diameter DC.  

There is no 1-to-1 dimensional alternative available of the Octomill ROMT1605 in comparison to the existing R217/220.29I range. Choose a smaller or bigger cutter option to tackle round insert applications.  

Table2_octomill

Insert range for the Seco Octomill 

The indexable face milling cutter can be used to machine all materials on highest performance levels. This material versatility is comparable with the Quattromill range. The insert range offers highest performance level in each material due to dedicated geometry and grade combinations. 

The diagram highlights the first-choice geometry as well as suitable alternatives per SMG area depending on the targeted application. The left side of the diagram covers applications that require a freer cutting geometry due to potential weak set ups or softer materials. Applications with more vibrations, strong set ups as well as harder materials require more protected geometries to withstand these cutting conditions.    

Table3_octomill

Geometry	SMG	Application	Comment
OOET0605 ZZFR-E08	N	Roughing Finishing	Sharp and high rake angle, ideal for nonferrous materials as well as softer sticky materials.   Problem solver in challenging finishing applications
OOET0605 ZZER-M10	M,S,P	Roughing Finishing	Precision ground insert with sharp and moderate rake angle. Made for roughing to finishing of challenging materials as M and S, but also alternative for low alloyed steels. Ideal for finishing application with demanding optical surface finish appearance, due to excellent run out and sharp edge that reduced built up edges leading to smeared surfaces.
OOMT0605 10EN-M10	M,S,P	Roughing	Economical alternative to the ground insert. Made for roughing of challenging materials as M and S, but also alternative for low alloyed steels. Missing wiper flat reduces tool pressure which is great for weak set ups and can be generate a consistent optical appearance at higher numerical values in case of finishing.
OOET0605 ZZSR-ME12	P,M,S	Roughing Finishing	Precision ground insert with smaller protection chamfer and high rake angle. Made for roughing and finishing of P, M and S at higher feed rates versus the M10 geometry. Can be also used as a freer cutting and more precise alternative to M15.
OOMT060510SN-ME12	P,M,S	Roughing	Economical alternative to the ground insert. Made for roughing and finishing of P, M and S at higher feed rates versus the M10 geometry. Can be also used as a more free cutting alternative to M15.
OOMT0605 ZZSR-M15	P,K,M	Roughing Finishing	Protected and moderate rake angle.  First choice geometry for many applications. Can be used for finishing and roughing at moderate feed rates in a broad material mix. Thanks for the direct pressed tolerance a great price-to-performance choice.
OOMT0605 10SN-M20	P,K	Roughing	Protected and moderate rake angle.  Free cutting roughing geometry for higher feed rates without wiper flat. Made for P and K materials.
OOEW0605 ZZSR-D20	K,H,P	Roughing Finishing	Robust geometry that can handle high feed rates, interrupted cuts and hard materials while remaining light cutting behavior.

Recommendations for  speed and feed and geometries 

The diagram highlights the first-choice geometry as well as suitable alternatives per SMG area depending on the targeted application. The left side of the diagram covers applications that require a freer cutting geometry due to potential weak set ups or softer materials. Applications with more vibrations, strong set-ups as well as harder materials require more protected geometries to withstand these cutting conditions.     

Table4_octomill

Discover the Seco Face Milling range

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