Case Study #3 UBURR
Industry: Medical
Objective: Remove burrs from the front and rear of machined drills for Arthroscopy scissors.
The Arthroscopy scissor Joint is a reusable system that integrates advanced quality, durability, and precise tactility in each instrument to provide an optimal solution for every angle.
Application details:
- Part: Transmission Carrier Assembly
- Material: 17-4 PH, Wr N.1.4542
- Pilot Holes: Ø2.5 and Ø3.0mm / .098 and .315”
- Pilot Holes Length: H1=20mm and H2=6mm / .787” and .236”
- Machine: DMG MURI CMX 50U
- Production Volume: 7000 bores/month
Tools:
- UB2180MS; UB-d025-C08-H29-L65
Blade: UB2030; UB-TSB-3-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 |
|
|
2.5 |
0.098 |
3200 |
480 |
19 |
25 |
82 |
0.15 |
0.01 |
External Emulsion |
|
3.0 |
0.315 |
3200 |
480 |
19 |
30 |
99 |
0.15 |
0.01 |
External Emulsion |
Results: The burrs were effectively eliminated, leaving 0.2×45° chamfers.
The customer can save roughly ~20 hours on manual work in 1 month.
