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

G-one Holder JTA ECO PRODUCT

“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 ReductionGood !

Setting Time Reduction

Cost ReductionGood !

Cost Reduction

POINT!
Dividing the role of the cutting edge by functionExcellent !

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

Transmission case, bearing holes

Changes in Hole Diameter

Changes in Hole Diameter

Roundness

Roundness

Surface Roughness

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

Undercut shape

Corner R

Corner R

Through hole

Through hole

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