Precision Boring Head Design for Enhanced Machining Accuracy
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Summary
Problems
Existing boring heads lack precision in controlling machined diameters and surface finish, particularly in machining operations where deviations occur due to deflections.
Innovation solutions
A boring head design with a support unit and tool unit that allows for adjustable movement in the height direction perpendicular to the diameter direction, utilizing guide surfaces and a locking mechanism to secure and adjust the tool unit relative to the support unit, enhancing precision and compensating for machining deviations.
TRIZ Analysis
Specific contradictions:
General conflict description:
Principle concept:
If the cutting edge position is fixed in the diameter direction only, then the structure is simple, but the machining precision and tolerance are insufficient due to deflections
Why choose this principle:
The patent introduces a height direction (z-axis) perpendicular to the diameter direction (y-axis) as a second adjustment dimension. The tool unit can be positioned not only in the diameter direction via piston movement but also in the height direction relative to the support unit, creating a two-dimensional adjustment capability that compensates for deflections and improves machining precision
Principle concept:
If the cutting edge position is fixed in the diameter direction only, then the structure is simple, but the machining precision and tolerance are insufficient due to deflections
Why choose this principle:
The boring head is divided into functionally independent units: support unit, tool unit, piston, and locking mechanism. This segmentation allows each component to perform its specific function – the piston handles diameter adjustment while the tool unit handles height adjustment – thereby improving precision without excessive overall complexity
Application Domain
Data Source
AI summary:
A boring head design with a support unit and tool unit that allows for adjustable movement in the height direction perpendicular to the diameter direction, utilizing guide surfaces and a locking mechanism to secure and adjust the tool unit relative to the support unit, enhancing precision and compensating for machining deviations.
Abstract
The present invention relates to a boring head for metal cutting, which has a main axis in a diameter direction (y), and an extension in a height direction (z), which height direction (z) is perpendicular to the main axis, and comprises a support unit (3), a tool unit (4), and a locking mechanism. The support unit (3) extends axially inward along the main axis from an axially outer end, and comprises a support interface (8) at the outer end. The tool unit (4) extends axially outward along the main axis from an axially inner end, and comprises a tool interface (12) at the inner end. The tool unit (4) is releasably secured to the support unit (3) by the locking mechanisms forcing the tool interface (12) against the support interface (8). The support interface (8) comprises a pair of support guide surfaces (16), which extend in the height direction (z) and face in opposite directions. The tool interface (12) comprises a pair of tool guide surfaces (22), which extend in the height direction (z) and face in opposite directions toward a respective one of the support guide surfaces (16), wherein the tool unit (4) is movably arranged in the height direction (z) by the tool guide surfaces (22) sliding against a respective one of the support guide surfaces (16).