Compact Threading Machine Segmented Sump for Oil Spillage
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Solution Overview
Problem
Current portable threading machines are cumbersome, costly, and inefficient due to their large size, heavy weight, and the need for extensive setup and handling of cutting oil, which complicates transportation and storage.
Innovation Solution
A compact portable threading machine with a steel tubing frame, wheels, and an extendable handle, featuring a multi-compartment sump system that prevents oil spillage during transport and storage, and a design that reduces material costs by using lower-cost materials for non-structural components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a threading machine uses a large base housing to enclose all components and hold cutting oil, then structural support and component enclosure are improved, but weight and portability deteriorate
Solution Approach 1:
The base housing is divided into multiple sections: a main body housing for components and a separate sump for cutting oil. This segmentation allows the oil to be isolated in a dedicated compartment with spill prevention features, while the main housing provides structural support for mechanical components.
Solution Approach 2:
The sump is positioned at the bottom of the machine, utilizing vertical space rather than horizontal expansion. This dimensional approach allows oil containment without increasing the machine's footprint, and the spill prevention flange extends horizontally only when needed for sealing.
2Reliability
If a threading machine includes a large reservoir of cutting oil, then lubrication and cooling are improved, but portability and risk of spillage during transport deteriorate
Solution Approach 1:
The cutting oil reservoir (sump) is segmented from the main machine body and equipped with a dedicated spill prevention flange. This allows the oil to be contained in a controlled compartment that can be sealed during transport, ensuring reliability of lubrication while minimizing spillage risk.
Solution Approach 2:
A spill prevention flange is pre-installed on the sump, positioned to contact the machine base and create a seal before transport begins. This preliminary protective measure prevents oil leakage during movement without requiring active intervention during transport.
3Stability of the object's composition
If a threading machine is designed for stationary use with all components enclosed in a base, then structural stability is improved, but ease of transport and setup deteriorate
Solution Approach 1:
The machine is segmented into a stable main body housing for operational use and a separate sump for oil containment. During transport, the sump can be positioned to engage with the base, providing stability during movement while maintaining structural integrity during operation.
Solution Approach 2:
The machine design allows for dynamic configuration between operational and transport states. The sump can be positioned to provide stability during operation, then repositioned or secured for transport, enabling the machine to adapt its structural characteristics based on usage mode.
4Strength
If a threading machine uses cast aluminum or machined materials for the base, then structural support and cosmetic appearance are improved, but manufacturing cost deteriorates
Solution Approach 1:
The base housing is segmented into functional areas: high-strength regions for structural support and load-bearing components, and lower-cost regions for non-critical enclosures. This allows selective use of expensive materials only where necessary, reducing overall manufacturing cost while maintaining required structural integrity.
Solution Approach 2:
Different material qualities are applied to different parts of the base housing. Critical structural areas use high-strength materials, while non-critical areas use lower-cost materials. The sump and its flange are designed with local quality considerations, using materials and manufacturing processes appropriate to their specific functional requirements.
Data Source
AI summary
A powered threading machine is described. The threading machine is compact and portable. The threading machine includes a tube frame having a rearward wheel assembly and an extendable handle at the front of the machine. A particular sump configuration is used to prevent loss of cutting oil during operation and transport of the machine.


