NTK切削工具

BACK DUO

Back turning | Swiss CNC Lathes

Reduce cycle time by 1Pass
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New chip breaker design allow one pass machining

Possible to reduce cycle time.
Tooling application

Swiss CNC lathe back turning

Chip control range
New 3D chipbreaker

➀ Excellent surface with good chipcontrol

➁ Improved surface finish thanks to wiper flat on
cutting edge.

New clamping system

➀ Stable clamping force from three face contact with V-bottom

➁ Utilizes tool pressure to increase clamping force.

Reduce cycle time by 1Pass

BACK DUO

Excellent surface by 1Pass

Conventional

Conventional machining requires a second finishing cut on the end face.

Small offset for high precision back turning.

BACK DUO

BACK DUO is able to machine
by guide bush for high accuracy back turning.

Conventional

BACK DUO​

End face

Excellent surface

Diameter

Ra:0.90μm / Rz:4.11μm

Competitor

End face

Rough surface

Diameter

Ra:2.16μm / Rz:10.28μm

Work material:SUS304 Holder:TBDPR12  Insert:TM4 TBDP2201MR
Cutting condition: Vc=80m/min (x)=0.02㎜ /rev (z)=0.08㎜ /rev ap=3.0㎜ WET

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For more information about this product, visit our online e-catalog, or download the catalog/product report

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