Modular Necker Drive Assembly Without a Common Oil Bath
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Solution Overview
Problem
Current drive assemblies for necker machines are inefficient due to the need for large oil baths for lubrication, leading to maintenance challenges and rapid degradation of composite materials, which results in reduced performance.
Innovation Solution
A modular drive assembly with primary and secondary drive sub-modules, each comprising input and output shafts connected via right-angle gearboxes, allowing for selective coupling and braking, eliminating the need for a common oil bath and reducing heat generation through the use of composite gears.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a common oil bath is used to lubricate all gears in the drive assembly, then lubrication is provided to all gears, but maintenance becomes difficult as the entire gear train must be drained and resealed
Solution Approach 1:
The drive assembly is divided into multiple independent drive modules, each with its own lubrication system. This segmentation allows individual modules to be maintained separately without affecting the entire gear train, resolving the contradiction between providing comprehensive lubrication and enabling easy maintenance.
2Ease of repair
If composite materials are used for gears to eliminate lubrication, then maintenance is reduced, but heat generation increases and composite material degrades rapidly
Solution Approach 1:
The drive assembly is divided into modular units with separate lubrication systems, allowing targeted lubrication of specific gears rather than requiring a common oil bath. This enables the use of composite materials in some gears while maintaining lubrication where needed, balancing maintenance reduction with heat management.
3Power
If large steel gears are used to transmit high power and torque, then power transmission capability is sufficient, but the gears generate significant heat and require large lubrication systems
Solution Approach 1:
The drive assembly is segmented into multiple independent modules, each handling a portion of the total power transmission. This distribution reduces the heat generation per module and allows for more efficient heat dissipation and targeted lubrication, resolving the contradiction between power transmission capability and heat management.
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
The modular design minimizes maintenance requirements, reduces heat generation, and enhances performance by allowing for efficient power transmission with minimal lubrication needs, thereby extending equipment lifespan and improving operational efficiency.
Implementation Method 1
each primary drive sub-module comprising: a primary input shaft; a first primary output shaft operatively coupled to the primary input shaft; and a second primary output shaft operatively coupled to the primary input shaft
Data Source
AI summary
A drive assembly for a necker machine having a frame assembly and a plurality of processing stations includes: a plurality of drive sub-modules. Each drive sub-module includes: a primary input shaft, a first primary output shaft operatively coupled to the primary input shaft, and a second primary output shaft operatively coupled to the primary input shaft. For a first drive sub-module: the primary input shaft is operatively coupled to, and driven by, a main drive assembly motor, and the first primary output shaft is operatively coupled to, and drives, an associated first drive shaft of a first processing station. For a second drive sub-module: the primary input shaft is operatively coupled to, and driven by, the second primary output shaft of the first drive sub-module, and the first primary output shaft is operatively coupled to, and drives, an associated first drive shaft of a second processing station.