Skip to main content

Official Journal of the Japan Wood Research Society

Table 1 Relationships of types of chip formation (Types 0, I, II, and III) with the cutting angle (θ), the depth of cut (d), and the grain angle (\(\varphi \))

From: Effect of grain angle on the strain distribution during orthogonal cutting of hinoki (Chamaecyparis obtusa) measured using a digital image correlation method

Cutting angle (θ)

Depth of cut (d) (mm)

Grain angle (\(\varphi \))

− 15°

− 10°

− 5°

+ 5°

+ 10°

+ 15°

30°

0.1

0

0

0

0

0

0

0

0.2

0

0

I

I

I

0.3

0/I

I

I

I

50°

0.1

II

II

I/II

I/II

II

II

II

0.2

II

II

I/II

I

I/II

I/II

II

0.3

II

I

I/II

I

I

I/II

I

70°

0.1

II/III

II/III

II

II

II

II

III

0.2

II

II

II

II/III

II/III

III

III

0.3

II

II

II

III

III

III

III

  1. The dashes (–) indicate where the strain near the cutting edge could not be measured due to the failure of the workpiece. This was caused by cleavage occurring where the cutting tool was first cut into the workpiece, and thus, the cutting could not be conducted properly