Reciprocating Tool Biasing Control for Vibration and Orbital Motion
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Solution Overview
Problem
Existing reciprocating tools face limitations in usability under various operation conditions due to inadequate control over vibration and orbital motion, which affects comfort and efficiency during cutting operations.
Innovation Solution
A reciprocating tool design that includes a housing, support body, slider, motor, driving mechanism, biasing member, and change mechanism, allowing users to selectively enable or disable biasing and orbital motion through a manipulation member, enabling adaptation to different cutting conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a fixed biasing mechanism is used to reduce vibration, then comfort is improved, but adaptability to different cutting conditions deteriorates
Solution Approach 1:
The biasing mechanism is made adjustable through a manipulation member that allows the user to change the biasing force applied by the spring. This enables the system to dynamically adapt to different cutting conditions while maintaining vibration reduction benefits, resolving the contradiction between fixed vibration control and operational adaptability.
Solution Approach 2:
The manipulation member changes the physical parameter of the biasing force by adjusting the compression state of the spring. This parameter adjustment allows the same biasing mechanism to provide different levels of vibration control suitable for various workpiece types and cutting conditions, achieving both vibration reduction and adaptability.
2Adaptability or versatility
If a manipulation member and change mechanism are added to enable adjustable biasing, then adaptability is improved, but device complexity increases
Solution Approach 1:
The manipulation member is integrated with the existing trigger mechanism, combining the function of starting/stopping the motor with the function of adjusting the biasing force. This merging of functions adds adaptability without requiring a completely separate control system, thereby limiting the increase in device complexity.
Solution Approach 2:
The manipulation member serves multiple functions: it controls the biasing mechanism adjustment and is integrated with the trigger system. This multi-functionality allows the same component to provide adaptability while reducing the need for additional dedicated parts, thus managing device complexity.
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
Improves usability by allowing users to customize biasing and orbital motion based on the type of workpiece, enhancing comfort and efficiency by reducing vibration and optimizing cutting performance.
Implementation Method 1
a first biasing member configured to selectively bias the slider
Data Source
AI summary
A reciprocating tool includes a housing, a support body, a slider, a motor, a driving mechanism, a first biasing member, a manipulation member and a first change mechanism. The housing has a first axis that defines a front-rear direction of the reciprocating tool. The support body is supported within the housing. The slider is supported by the support body to be linearly movable. The driving mechanism is operably coupled to the slider and configured to reciprocally move the slider relative to the support body using power of the motor. The first change mechanism is operably coupled to the manipulation member and configured to selectively enable and disable the first biasing member to bias the slider in response to manipulation of the manipulation member. When biasing of the slider by the first biasing member is enabled by the first change mechanism, the first biasing member biases the slider downward.