Parting Insert Adaptor Layout for Deeper Cuts and Longer Life
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Solution Overview
Problem
Existing insert adaptors for parting off operations are limited by reduced cutting depth and increased material wastage due to the width of cutting edges, and the production of additional pockets is disadvantageous, especially when using cemented carbide inserts.
Innovation Solution
An insert adaptor with five pockets around its peripheral surface, designed for resiliently holding cutting inserts, provides optimal cutting edges while maintaining chip evacuation space, and is constructed with a solid design to minimize material wastage and enhance structural strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If the number of pockets on the insert adaptor is increased to extend adaptor lifetime, then the overall lifetime of the adaptor is improved, but the cutting depth capability is reduced and production costs increase
Solution Approach 1:
The adaptor is segmented into multiple pockets (three or more) arranged around its periphery, allowing multiple inserts to be mounted simultaneously. This segmentation enables the adaptor to serve multiple cutting operations without replacement, extending its operational lifetime while maintaining adequate cutting depth through proper pocket positioning.
Solution Approach 2:
The solution transitions from a linear arrangement of pockets to a circumferential arrangement around the adaptor body. By distributing pockets around the periphery at specific angular intervals, the design utilizes the third dimension (circumferential space) to accommodate multiple inserts without compromising the radial cutting depth capability.
2Loss of substance
If cemented carbide inserts with greater width are used to reduce material wastage, then material wastage is reduced, but the adaptor thickness must be increased
Solution Approach 1:
The adaptor design incorporates localized features such as recesses and bearing surfaces positioned specifically to accommodate the width of cemented carbide inserts. The bearing surfaces are strategically placed to provide support exactly where needed, allowing the use of wider inserts for reduced material wastage without requiring a uniform increase in adaptor thickness throughout.
Data Source
Figure 1A~1C
Figure 2A~2B
Figure 2C~2F
AI summary
An insert adaptor (112) for parting off including an adaptor index axis (IA) and parallel adaptor first and second sides (120A, 120B) connected by an adaptor peripheral surface (122) which extends peripherally around the adaptor (112). The adaptor peripheral surface is formed with at least three pockets (124) and bearing surfaces (152) extending between the pockets (124). Each of the pockets (124) comprises resilient upper and lower clamp surfaces (130, 132).