Case Study #5 UBURR
Industry: General
Objective: Evaluate the UBURR tools on machined threads and
eliminate burrs from both the front and rear of machined drills.
Application details:
- Material: AISI 4340, Wr N.1.6928 Tool Steel with 38HRc hardness
- Pilot Holes: Ø8.5mm / 0.335”
- Pilot Hole Length: H1=20mm / 0.787”
- Machine: DMG Mori Seiki AKIRA Mi745
Tool: UB1085; UB-d085-C10-H53-L115
Blade: UB2060; UB-TSB-5-PL
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 |
|
|
8.5 |
0.335” |
800 |
200 |
8 |
22 |
72 |
0.25 |
0.01 |
External Air |
Results: The burrs were effectively removed, leaving 0.2×45° chamfers with no significant wear observed after 50 holes.
Before
After
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