Case Study #4 UBURR
Industry: General
Objective: Test the UBURR tools on hardened materials and eliminate burrs from the front and rear of machined drills.
Application details:
- Material: AISI H13, Wr N.1.2344 pallets with 60HRc hardness
- Pilot Holes: Ø7mm / .276”
- Pilot Holes Length: H1=25mm / .984”
- Machine: DMG Mori Seiki AKIRA Mi745
Tool: UB1070; UB-d070-C08-H53-L115
Blade: UB2062; UB-TSB-5-PL-NCT (Coated with type T coating)
Machining Parameters:
|
Ød Pilot-Hole |
S Spindle Speed |
F Table Feed |
vc Cutting Speed |
fz Feed per tooth |
Coolant |
||||
|
mm |
Inch |
RPM |
mm/min |
inch/min. |
m/min. |
sfm |
mm |
inch |
|
|
7.0 |
.276” |
700 |
140 |
6 |
15 |
49 |
0.2 |
0.008 |
External Air |
Results: The burrs were effectively removed, leaving 0.2×45° chamfers with no significant wear observed after 50 holes.
