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  3. II. Internal thread workpiece material × Threading-Taps material
  4. UGMIC Material × Problem Judgment Logic

UGMIC Material × Problem Judgment Logic

UGMIC does not directly claim that a particular tool is suitable based on the "workpiece material name".

The correct technical assessment method is as follows:

Step 1 | Confirm workpiece material

For example:
SUS316L

↓
Step 2 | Confirm material machining characteristics

For example:
• Long chips

• Adhesion

• Work hardening

• High thread machining load

↓
Step 3 | Confirm thread problems

For example:
• Short tap life

• Rough thread surface

• Tool adhesion

• Difficult chip removal in blind holes

↓
Step 4 | Confirm tool material

For example:

• HSS-Co

• PM-HSS

• Tungsten carbide

↓
Step 5 | Confirm tool structure

For example:

• Helical groove

• Straight groove

• Tip

• Extrusion

• Thread milling cutter

↓
Step 6 | Confirm actual machining conditions

Including:

• Blind hole/through hole

• Thread depth

• Spindle runout

• Tool holder runout

• Cooling and lubrication

• Machine stability

• Machining volume

• Workpiece hardness

↓ Step 7｜Establish a verification plan
Only then do we proceed with tool selection, trial production, verification, and improvement.

Tap selection & optimization

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