Blade Cover Vacuum Suction for Cutting Fluid Scattering
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Solution Overview
Problem
In precision cutting apparatuses, the scattering of cutting fluid containing cut dust onto the workpiece during cutting leads to incomplete cleaning and adhesion issues, making it difficult to remove cut dust effectively.
Innovation Solution
A cutting apparatus with a blade cover that captures and vacuums cutting fluid containing cut dust, preventing it from scattering onto the workpiece by using a vacuum source to direct the fluid into a discharge opening, while also incorporating air intake passages to maintain suction stability and prevent clogging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If cutting fluid is supplied to the cutting blade during cutting, then process heat is removed and cut dust is removed from the workpiece surface, but the cutting fluid containing cut dust is scattered onto the workpiece, causing the upper surface to be soiled
Solution Approach 1:
The patent extracts the harmful cutting fluid containing cut dust from the workpiece surface by introducing a vacuum source that creates negative pressure. The vacuum source draws the cutting fluid away from the workpiece surface through suction ports, preventing it from soils the upper surface while maintaining its beneficial cooling and dust removal functions at the cutting zone.
Solution Approach 2:
The patent applies preliminary anti-action by using the vacuum source to create negative pressure in advance before the cutting fluid can scatter onto the workpiece surface. This preliminary suction action counteracts the scattering tendency of the cutting fluid, preventing dust adhesion before it occurs.
2Manufacturing precision
If cleaning water is supplied to the upper surface of the workpiece during cutting, then cut dust adhesion is prevented, but the flow of cleaning water is disturbed by scattered cutting fluid, leaving insufficiently cleaned areas
Solution Approach 1:
The vacuum source extracts the cutting fluid containing cut dust from the workpiece surface area, preventing it from interfering with the cleaning water flow. This extraction ensures that cleaning water can flow smoothly over the workpiece surface without obstruction, achieving complete dust removal.
3Temperature
If cutting fluid is sprayed to the cutting blade, then cooling and lubrication are improved, but the cutting fluid containing cut dust is scattered onto the workpiece
Solution Approach 1:
The vacuum source continuously extracts the cutting fluid from the cutting zone and prevents its scattering onto the workpiece. This maintains the cooling and lubrication benefits of cutting fluid application while eliminating the harmful scattering effect through active suction.
Solution Approach 2:
The vacuum source creates negative pressure in advance to counteract the scattering of cutting fluid. This preliminary anti-action ensures that cutting fluid remains contained in the cutting zone for effective cooling and lubrication without spreading to the workpiece surface.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution effectively reduces the adhesion of cut dust to the workpiece, ensuring complete removal and maintaining suction consistency, thereby improving cleaning efficiency and preventing dust accumulation.
Implementation Method 1
the blade cover being formed with a discharge opening communicating with the blade accommodating portion and connected to a vacuum source; whereby the cutting fluid supplied to the upper surface of the workpiece is taken from the opening into the blade accommodating portion of the blade cover in association with the rotation of the cutting blade and thereafter discharged from the discharge opening to the outside of the blade cover
Data Source
AI summary
A blade cover covers a cutting blade mounted on a spindle. The blade cover has a bottom portion formed with an opening from which the lower end of the cutting blade projects. A cutting fluid is supplied to the upper surface of a workpiece in the periphery of the opening of the blade cover. A discharge opening is formed in the blade cover. Air is sucked from the discharge opening by a vacuum source. The cutting fluid supplied to the upper surface of the workpiece is taken from the opening into the blade cover in association with the rotation of the cutting blade and thereafter discharged from the discharge opening to the outside of the blade cover. Accordingly, scattering of the cutting fluid can be suppressed.