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 |