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TAC Milling Inserts<br />
Guideline for Selection of Inserts for Milling<br />
P Steels K Cast irons( M Stainless steels) M Stainless steels N Aluminium alloys<br />
Large Large Large<br />
HJ<br />
Limit of the feed per tooth<br />
MH<br />
Limit of the feed per tooth<br />
MS<br />
MS<br />
MJ<br />
Inserts with<br />
Inserts with<br />
flattened rake<br />
flattened rake<br />
face<br />
ML<br />
face<br />
Small Small Small<br />
Increasing<br />
Increasing<br />
Cutting force<br />
Cutting force<br />
Limit of the feed per tooth<br />
AJ<br />
Cutting force<br />
Inserts with<br />
flattened rake<br />
face<br />
Increasing<br />
Features of Inserts for Milling<br />
Type Features Work materials<br />
Cross sections of the<br />
cutting edge (Outline figure)<br />
MJ<br />
HJ<br />
ML<br />
• The inserts have functional curvatures at cutting<br />
edges and relief faces.<br />
• General inserts with both impact resistance and<br />
the function of cutting force reduction.<br />
• Allows super high feeds as high as 1.5 to 2 times<br />
those of general purpose inserts.<br />
• Even under high machining load at high feeds, ensures<br />
superior impact resistance and low cutting<br />
forces. (Maximum depth of cut: 2 mm)<br />
• Lowered cutting force compared with MJ type<br />
• Applicable when chattering occurs in using MJ<br />
type.<br />
P Steels<br />
K Cast irons<br />
Ductile cast irons<br />
( M Stainless steels)<br />
Land width<br />
Rake angle<br />
Land width<br />
Rake angle<br />
Land width<br />
Rake angle<br />
9<br />
TAC Mills<br />
MH<br />
• Suitable for high feed milling.<br />
• Available when chipping occurs in using MJ type.<br />
• Toughness priority.<br />
Land width<br />
Rake angle<br />
MS<br />
• Low cutting force compared with MJ type<br />
• For stainless steels (and mild steels)<br />
• Applicable for burr reduction.<br />
M<br />
Stainless steels<br />
(Mild steels)<br />
Land width<br />
Rake angle<br />
AJ<br />
• For non-ferrous metals such as aluminium alloys etc.<br />
• Inserts have sharp edges and mirror like rake faces.<br />
• Applicable for burr reduction.<br />
N<br />
Aluminium alloys<br />
(Non-ferrous metals)<br />
Rake angle<br />
9–139
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