Modular Mandrel Blade Assembly for Adjustable Material Removal Width
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing material removal systems, such as milling drums, are heavy, prone to damage from dirt and debris, and lack flexibility in width adjustment, making them cumbersome and costly to maintain.
Innovation Solution
A milling-drumless system comprising a mandrel with interchangeable blade elements and spacers, allowing customizable configurations for material removal widths, reducing inventory and maintenance costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a single large milling drum is used for material removal, then the system can perform grinding and cutting operations, but the system becomes too heavy for a single worker to handle and is prone to damage from dirt and debris
Solution Approach 1:
The single large milling drum is divided into multiple smaller cutter plate elements (first cutter plate element, second cutter plate element, third cutter plate element, fourth cutter plate element) that can be independently attached to the mandrel. This segmentation reduces the weight of each individual component while maintaining the overall material removal capability through the collective action of all elements.
Solution Approach 2:
The harmful function of the large milling drum (weight and susceptibility to damage) is extracted and replaced by a modular assembly of smaller cutter plate elements. Each element can be independently removed, inspected, and replaced, eliminating the need to handle or replace an entire heavy drum assembly.
2Adaptability or versatility
If a single large milling drum is used for material removal, then the system can perform grinding and cutting operations, but the system is specialized for a particular task and lacks flexibility in width adjustment
Solution Approach 1:
The system transitions from a fixed-width milling drum to a dynamic configuration where cutter plate elements and spacers can be added or removed from the mandrel. This allows the material removal width to be adjusted dynamically based on the specific application requirements, with the mandrel serving as a common platform for different configurations.
Solution Approach 2:
The mandrel is designed as a universal mounting platform that can accommodate various combinations of cutter plate elements and spacers. This single mandrel design replaces multiple specialized milling drums of different widths, enabling one device to perform multiple material removal width configurations through interchangeable elements.
3Ease of repair
If a single large milling drum is used for material removal, then the system can perform grinding and cutting operations, but maintenance and replacement are costly and time-consuming
Solution Approach 1:
The cutting elements are segmented into individual cutter plate elements that can be independently accessed and replaced. When one element becomes worn or damaged, only that specific element needs to be removed and replaced, rather than replacing an entire milling drum or large assembly, significantly reducing maintenance time and cost.
Solution Approach 2:
The cutter plate elements are designed as replaceable, relatively inexpensive components that can be quickly swapped out when worn. This approach treats the cutting elements as consumable items that are economically replaced rather than repaired, reducing overall maintenance costs and downtime compared to maintaining a single large drum.
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 system provides a robust, lightweight, and cost-effective solution with reduced vibration, increased stiffness, and extended blade life, enabling precise material removal with minimal debris accumulation.
Implementation Method 1
an abrasive element attached such that the rotary motion of the rotary drive moves the abrasive portion and provides a working zone that removes material in which the zone is placed
Data Source
AI summary
Milling-drumless products, systems, manufactures, and methods for removing material, such as concrete or asphalt, and a system and method of assembling material removal (for example, grinding and/or cutting) blade elements, or blade elements and spacers, to fabricate a configuration that eliminates a need for a large milling drum are provided. The method allows the configuration to be adjusted easily in a field situation to most any material removal width by exchanging, adding or subtracting blade elements and/or spacers.