직선도
Unit : mm / length 2000mm
Width Annealed Hardened & Tempered
nominal fine nominal fine
W < 30 12 10 3 2
30 ≤ W < 50 8 6 3 2
50 ≤ W < 80 6 4 3 2
80 ≤ W < 370 4 2 3 2
표면상태
SURFACE COLOR DEFINITION
Unpolished black Hardened and tempered natural colour without coloring process of
which oxidised suface colour is decieded on hardness required.
Unpolished blue
Bright
Polished white Polished white after hardening and tempering
Polished blue Colouring blue after polishing
평탄도
GRADE DISH(d)
Annealed 1.0% of nominal width
Full hard/Skine pass 0.5% of nominal width
Hardened & Tempered 0.1%~0.3% of nominal width
측면가공
FINISH TYPE DEFINITION APPLIACTION IMAGE
Slit edge sharp edged with slitting burrs left on left spring
Deburred edge slit edges from which burrs have been remove left spring
Round edge edged rounded power spring
Champered edge square edge with round corner saws and blades
Square edge sharp - cornered square edgeds band saws

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