Dual-Sided Thread Deburring in 38 HRC Hardened Steel with NOGA 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-holder: 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.

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After

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