Grinding Disc Braking Structure Dynamics
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Solution Overview
Problem
Conventional grinding machine tools face issues where the brake lining continuously contacts the grinding disc, leading to increased motor load, decreased grinding efficiency, and rapid wear of the brake lining due to constant resistance.
Innovation Solution
The grinding machine tool incorporates a grinding disc braking structure that detaches from the non-grinding surface of the grinding disc when the machine is in operation, allowing the disc to rotate freely without resistance, and contacts the disc only when it needs to be stopped.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the brake lining continuously contacts the grinding disc to provide resistance, then the grinding disc can be stopped quickly, but the motor load increases and grinding efficiency decreases
Solution Approach 1:
The brake lining is designed to dynamically adjust its contact state with the grinding disc based on operational requirements. During normal operation, the brake lining is detached to minimize resistance and maximize grinding efficiency. When stopping is required, the brake lining contacts the grinding disc to provide braking force. This dynamic adjustment resolves the contradiction between continuous braking capability and operational efficiency.
2Speed
If the brake lining continuously contacts the grinding disc to provide resistance, then the grinding disc can be stopped quickly, but the brake lining wears out quickly
Solution Approach 1:
The brake lining transitions from a continuous contact state (causing rapid wear) to an intermittent contact state (extending service life). During normal operation, the brake lining is detached, eliminating unnecessary friction and wear. When stopping is required, it contacts the grinding disc briefly to provide braking force. This dynamic contact control significantly extends the brake lining's operational life while maintaining effective stopping capability.
3Force
If the brake lining provides continuous resistance to the grinding disc, then the grinding disc stops easily, but the motor requires greater power output
Solution Approach 1:
The braking force is applied dynamically only when needed for stopping, rather than continuously. During normal operation, the brake lining is detached, allowing the motor to operate at optimal power output without unnecessary resistance. When the grinding disc needs to be stopped, the brake lining engages to provide the necessary braking force. This dynamic application of braking force reduces the average power requirement of the motor while maintaining effective stopping capability.
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
This solution prevents the grinding disc from idling and reduces kinetic energy loss, improving grinding efficiency and extending the life of the brake lining by minimizing unnecessary contact and wear.
Implementation Method 1
a brake block (64) disposed on the at least one connecting rod (61), the brake block (64) being provided to contact with the non-grinding surface (32) of the grinding disc (30)
Data Source
AI summary
A grinding machine tool comprises a housing, a driving assembly disposed in the housing, a grinding disc driven by the driving assembly, and having a grinding surface and a non-grinding surface, a switch driving the driving assembly, and a pressing plate disposed on the housing and having a first state in which the switch drives the driving assembly to drive the grinding disc when the pressing plate is operated, and a second state in which the switch stops driving the driving assembly when the pressing plate is not operated. The grinding machine tool has a grinding disc braking structure detached from the non-grinding surface when the pressing plate is in the first state; when the pressing plate is in the second state, the grinding disc braking structure moves toward the non-grinding surface and contacts with the grinding disc to stop the grinding disc from rotating.