Panel Cutting Pressing Unit With Adjustable Clamping Force
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Solution Overview
Problem
Existing cutting machines for wood panels lack precise control over clamping force, risking damage to fragile panels and being inflexible for different materials and dimensions.
Innovation Solution
A cutting machine with a pressing device that combines pneumatic and electric actuating means to control the clamping force, allowing adjustable movement based on panel thickness and type, using a sliding guide and translating device for precise positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a pressing device is used to clamp panels during cutting, then the panels are secured for cutting, but the clamping force cannot be precisely controlled and may damage fragile panels
Solution Approach 1:
The pressing device is divided into multiple independently movable clamping elements that can be controlled separately. This segmentation allows precise control of clamping force on different parts of the panel, securing the panel for cutting while avoiding damage to fragile areas through differentiated force application.
Solution Approach 2:
The clamping elements are made dynamically controllable with independent movement capability. This dynamic control enables the system to adapt clamping force in real-time based on panel characteristics, maintaining secure clamping during cutting while preventing damage to delicate panels through adjustable force levels.
2Ease of manufacture
If a fixed pressing device is used for all panel types, then the construction is simple, but the machine cannot adapt to different panel dimensions and materials
Solution Approach 1:
The pressing device is segmented into multiple independently controllable elements rather than a single fixed structure. This segmentation maintains relative constructional simplicity while enabling versatile adaptation to different panel dimensions and materials through independent control of each element's position and force.
Solution Approach 2:
The pressing device with independently controllable elements serves multiple functions: it can clamp various panel sizes, adjust to different materials, and provide differentiated force levels. This multi-functionality achieves adaptability to different panel types while maintaining a relatively simple overall construction.
3Measurement precision
If independently movable clamping elements are used, then precise control of clamping force is achieved, but the device complexity increases
Solution Approach 1:
The pressing device is segmented into independently controllable elements, which inherently increases structural complexity but enables precise measurement and control of clamping force on different panel regions, achieving the required measurement precision for force control.
4Manufacturing precision
If mechanical stop devices are used to control pressing device descent, then the lowered position is achieved, but the clamping force cannot be precisely adjusted for different panels
Solution Approach 1:
The pressing device transitions from static mechanical stops to dynamically controllable independently movable elements. This dynamic control enables both precise positioning for manufacturing precision and adaptable clamping force adjustment for different panel types through electronic or programmable control mechanisms.
Data Source
Figure 1
AI summary
A machine and a method for cutting panels made of wood are disclosed, in which a panel pressing device (2) is first raised and is then lowered to a lowered position for clamping the panels against a horizontal support plane (P), in which the raised position is reached by a first raising caused by electric actuating means (9) that is fixed to the pressing device (2) and which raises the pressing device (2) with respect to an intermediate portion (10), and a second raising caused by pneumatic actuating means (5) fixed to the frame (1) of the machine and connected to the intermediate portion (10), and in which the lowered position is reached at the end of the stroke of the movable element of the pneumatic actuating means (5).