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G-one Holder

A Solution to the problem of multi-blade boring cutters

One-shot machining for high precision & high efficiency made possible by its special designed structure.
  • NO need of edge run out adjustment → 45% setting time reduction
  • Use of standard inserts → 20% cost reduction
  • A single cutting edge → improves machining accuracy

“Amazing Ideas / Facts!”

The G-one holder consists of roughing and finishing edges. By using a single finishing edge and standard inserts for roughing, the setting time is largely reduced (no need of skilled workers to set up). Hence high productivity, high-precision machining and reduced costs are achieved.

Setting Time Reduction

Cost Reduction

POINT! Dividing the role of the cutting edge by function

Background / Point for Development

Background

  • One shot machining with multi edged tools (instead of conventional rough & finish)has been established for high accuracy aluminum machining, to reduce the cycle time.
  • However, “multi edges” always required longer setting up time and the run out adjustment.


Point for Development

  • The G-one Holder integrates multiple cutting edges into a single holder.
    By articulating each edge’s function, it successfully reduced the setting up time and minimizing the total tools cost.

Example

WorkpieceTransmission case, bearing holes
MaterialADC12
Tool Diameterø74mm
Cutting Conditions
  • Revolution: N=10000min-1
  • Cutting speed: V=2325m/min
  • Cutting feed: f=0.15mm/rev
Required
accuracy		Required accuracy

Changes in Hole Diameter

Roundness

Surface Roughness

Product Specification

Tool Specification
Process
covered		Aluminium high-precision boring process
*One-shot machining from plain/solid material
Diameterø55 –
Standard
conditions
  • Revolution: N=10000min-1
  • Cutting feed: f=0.1 – 0.15mm/rev
PerformanceIT7
Roundness: 5µ
Example of applicable work

Undercut shape

Corner R

Through hole