Handheld Flush Cutting Machine with Diamond Segments
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Solution Overview
Problem
Conventional flush-cutting machines are cumbersome, expensive, and limited in their field of use, while hand-held machines lack efficiency and ergonomic design, making them unsuitable for cutting thick materials or performing precise tasks like cutting narrow grooves in concrete.
Innovation Solution
A lightweight, hand-held cutting machine with a balanced design and ergonomic features, equipped with rotary cutter blades and a V-belt transmission system, allowing for efficient flush-cutting and universal cutting capabilities, including cutting thick concrete walls and pillars, as well as narrow grooves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If heavy machines are used for flush cutting, then cutting capability and stability are improved, but weight and ease of operation deteriorate
Solution Approach 1:
The machine is divided into distinct functional modules: a power unit housing containing the motor, a guide shoe assembly for positioning, and a cutting head with diamond blade. This segmentation allows each component to be optimized independently, achieving lightweight construction while maintaining cutting capability through proper distribution of functional elements.
Solution Approach 2:
The patent changes the fundamental parameter of cutting mechanism from conventional blade types to diamond-impregnated segments on the cutting periphery. This parameter change enables the machine to cut through hard materials like concrete and stone with a lightweight design, as diamond provides the necessary cutting strength without requiring heavy machine structure.
2Weight of moving object
If conventional angle grinding machines are used, then weight and ease of operation are improved, but cutting depth and efficiency deteriorate
Solution Approach 1:
The cutting mechanism uses diamond-impregnated segments arranged around the periphery of the cutting head, fundamentally changing from conventional grinding wheel design. This parameter change enables deeper cutting capacity and higher efficiency while maintaining the lightweight characteristic, as diamond material removes material more efficiently than conventional grinding methods.
Solution Approach 2:
The cutting head is designed to rotate at high speed with diamond segments positioned to engage the material at optimal angles. The dynamic rotation and precise positioning of cutting segments enable efficient material removal while keeping the machine lightweight and easy to operate.
3Manufacturing precision
If specialized flush-cutting machines are used, then flush-cutting performance is improved, but adaptability and field of use deteriorate
Solution Approach 1:
The machine incorporates a universal cutting head design with diamond-impregnated segments that can cut various materials including concrete, brick, stone, and ceramic tiles. The guide shoe assembly provides adjustable positioning for different cutting depths and angles, enabling the single machine to perform multiple functions from precise flush-cutting to rough cutting of thick materials, thus achieving versatility without sacrificing precision.
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 machine achieves excellent flush-cut properties with low weight and ergonomic safety, enabling efficient cutting of various materials and precise operations, addressing the limitations of existing machines by providing a versatile tool for construction sites.
Implementation Method 1
a V-belt transmission system
Implementation Method 2
rotary cutter blades
Implementation Method 3
cutting thick concrete walls and pillars
Data Source
AI summary
A preferred embodiment of a hand-operated flush cutting machine includes a front section with a first and a second disc shaped cutter blade which are rotary about an axis of rotation and mounted in the front end of an elongated tool carrier having the substantial shape of a flat bar. The tool carrier is mounted to a rear section of the machine. The rear section is provided with a number of components, including a motor for driving the cutter blades via a power transmission as well as handles and a control for operating the machine. The first, right hand side cutter blade has a first side, which does not face the second cutter blade. The first side defines a first plane which does not intersect any component in the front or rear sections.