WIDIA - Полный каталог инструмента - 2017
для размещения заказа - zakaz@widiahanita.ru
Technical Information
Internal Laydown Threading
Required Information
From Part Drawing:
material: 4140 steel
thread form: ISO R262 2,5mm pitch
tolerance: ISO Metric Class 6G/6H
operation: internal threading
pitch diameter: 40mm x 35mm deep
From Machine Setup Data:
tooling: 20mm boring bar
spindle rotation: clockwise
feed: away from chuck
chuck
jaws
70mm
35mm
ISO R262
2,5mm pitch
50mm deep
40mm
feed
CW rotation
Steps for a Successful Threading Operation
Step 1 •
Determine Threading Method
Need to Know:
• Operation (internal).
• Spindle rotation (CW).
Clockwise rotation.
• Feed direction (away from chuck).
• Left-hand toolholder.
• Left-hand insert (NL).
• Reverse helix method.
Step 3 •
Select the Grade and Speed
Need to Know:
• Workpiece material (4010 steel).
• Operation (internal).
Options: Grade and Speed
Selection Guidelines
threading
operation
internal
steel
general purpose
and high performance
TN6025
40–200 m/min
Step 2 •
Select Insert
Need to Know:
• Thread form (ISO Metric Class 6G/6H).
• Hand of insert (left hand — NL).
Choose the High-Performance Solution
catalogue number
3IL25ISO
insert size
3
TN6025
•
High-Performance Selection
NOTE: Use insert with largest possible insert size to go into the bore.
insert: 3IL25ISO
grade: TN6025
speed: 130 m/min
Step 4 •
Select Toolholder
Need to Know:
• External or internal operation
(internal).
• Pitch diameter to determine minimum
bore diameter for internal operations
(40mm).
• Type of tooling — toolholder, boring
bar (boring bar).
• Hand of tool (left hand).
• Insert size (16).
Options:
Step 5 •
Select Shim
Need to Know:
• Thread form — TPI or pitch
(2,5mm pitch).
• Pitch diameter (40mm).
• Helix method (reverse).
See Laydown Threading (LT)
shim selection chart.
Select SM-YE3
NOTE: For this application, the
standard shim supplied
should be replaced with
the recommended shim,
SM-YE3.
catalogue number
AVR32D3R
insert size
3
shim
SM-YE3
zakaz@widiahanita.ru
www.widiahanita.ru
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