Band Saw Discharge Table Positioning for Fluid Containment
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Solution Overview
Problem
In tilted-wheel type band saw machines, cutting fluids and cut dusts tend to be scattered outside the machine, degrading the working environment due to the discharge of these substances on the factory floor when the upstream end of the discharge chute is located close to the cutting position.
Innovation Solution
The band saw machine design includes a discharge table positioned on the downstream side of the wheel center line, with the upstream end of the discharge table located on a downstream side from the wheel center line, ensuring that the cutting fluid and cut dusts are contained within the cutting fluid reservoir, preventing them from being discharged outside and scattered.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the upstream end of the discharge chute is located close to the cutting position to unfailingly discharge the product, then the product discharge reliability is improved, but cutting fluid and cut dusts are discharged outside the machine through the discharge chute, degrading the working environment
Solution Approach 1:
The discharge system is segmented into two separate paths: one for products (discharge chute) and one for cutting fluids and cut dusts (drainage device). The drainage device includes a drainage port positioned downstream of the cutting position and a drainage shield that directs cutting fluids and cut dusts away from the discharge chute, preventing their discharge outside the machine while maintaining reliable product discharge through the original chute path.
2Ease of operation
If the upstream end of the discharge chute is located at the cutting position or close to it, then the product can be discharged outside the oil pan, but the working environment is degraded due to scattering of cutting fluid and cut dusts on the factory floor
Solution Approach 1:
A drainage shield is introduced as an intermediary component between the cutting zone and the discharge chute. This shield intercepts cutting fluids and cut dusts generated at the cutting position and directs them toward the drainage port, preventing these harmful substances from reaching the discharge chute and being scattered outside the machine, thereby protecting the working environment while maintaining product discharge functionality.
Data Source
AI summary
A band saw machine includes a base having a cutting fluid reservoir, a saw blade housing movable in an up-down direction, a pair of saw blade wheels around which a band saw blade are wound, a downstream main vise having a pair of downstream main vise jaws for clamping a product correspondent portion of the workpiece, a discharge table for discharging a product to an outside of the cutting fluid reservoir, and a product feed mechanism that feed the product cut out from the workpiece to a side on an upstream end of the discharge table. A working-side running area of the band saw blade and a working-opposite-side running area of the band saw blade are positioned within the cutting fluid reservoir, and the upstream end of the discharge table is positioned on a downstream side from a wheel center line connecting centers of the pair of saw blade wheels.