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Aerospace Engine

INTERMEDIATE CASE


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<h2 class="wp-block-heading">Notes</h2>



<ul class="wp-block-list"><li>4th Roughing operation: Remove maximum stock material wherever it is possible</li><li>Area machined where the 3rd cutter cannot cover</li><li>Face milling operation between the bosses</li><li>Maximum productivity</li></ul>



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<h3 class="wp-block-heading">Solution Specifications</h3>



<figure class="wp-block-table"><table><tbody><tr><td><strong>Material</strong></td><td>Inconel 718</td></tr><tr><td><strong>Tool Description</strong></td><td>Kennametal KIPR Ø25 Z3</td></tr><tr><td><strong>Kennametal MM#</strong></td><td><a href="https://www.kennametal.com/us/en/products/p.kipr-rp-screw-on-end-mills.4052843.html?cid=KMT_ACQ_PSL_PD_AFF_TXT_v1_ti-acd_NA_1046" target="_blank" rel="noreferrer noopener">MM 4052843</a></td></tr><tr><td><strong>Reference</strong></td><td>KIPR025RP09MF03</td></tr><tr><td><strong>Operation</strong></td><td>Roughing</td></tr><tr><td><strong>Cutting Edge</strong></td><td>Ceramic</td></tr><tr><td><strong>Insert</strong></td><td><a href="https://www.kennametal.com/us/en/products/p.rpg.5090285.html?cid=KMT_ACQ_PSL_PD_AFF_TXT_v1_ti-acd_NA_1046" target="_blank" rel="noreferrer noopener">Kennametal RPGN090300T01020</a></td></tr><tr><td><strong>Grade</strong></td><td>KYS30</td></tr><tr><td><strong>Vc</strong></td><td>880 m/min (2900 SFM) </td></tr><tr><td><strong>Fz</strong></td><td>0,08 mm/z (.003 IPT)</td></tr><tr><td><strong>Ap</strong></td><td>0,5 mm (.02 in)</td></tr><tr><td><strong>Ae</strong></td><td>Variable</td></tr><tr><td><strong>Coolant supply</strong></td><td>Dry Machining</td></tr><tr><td><strong>Objective</strong></td><td>Maximum Production &amp; Time reduction</td></tr><tr><td><strong>Tool Life</strong></td><td>~ 4 min/edge</td></tr></tbody></table></figure>
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Intermediate Case: Milling

Operation 4

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Notes

Solution Specifications

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Material	Inconel 718
Tool Description	Kennametal KIPR Ø25 Z3
Kennametal MM#	MM 4052843
Reference	KIPR025RP09MF03
Operation	Roughing
Cutting Edge	Ceramic
Insert	Kennametal RPGN090300T01020
Grade	KYS30
Vc	880 m/min (2900 SFM)
Fz	0,08 mm/z (.003 IPT)
Ap	0,5 mm (.02 in)
Ae	Variable
Coolant supply	Dry Machining
Objective	Maximum Production & Time reduction
Tool Life	~ 4 min/edge