Universal Tool Mounting System for Machining Centres
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Solution Overview
Problem
Current CNC lathe turret designs are limited by the number, selection, and arrangement of tools, leading to reduced productive operation time due to frequent tool replacements, restricted versatility, and inability to machine complex components efficiently.
Innovation Solution
A universal tool mounting system that allows for the mounting of multiple indexable tool holder units on a main turret, enabling rotational positioning and interchangeability of tools, along with the use of live tooling units for enhanced machining capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional CNC lathe turret designs are used with limited tool capacity, then the device complexity is reduced, but the productivity decreases due to frequent tool replacements and resetting
Solution Approach 1:
The tool mounting system is segmented into multiple independent tool holder units (first tool holder unit, second tool holder unit, third tool holder unit, fourth tool holder unit) that can be independently mounted, indexed, and replaced on the turret. Each unit contains multiple cutting tools arranged in specific configurations, allowing selective indexing of individual units without affecting others, thereby reducing tool replacement time and increasing productivity
Solution Approach 2:
The turret is designed as a universal mounting system that can accommodate multiple types of tool holder units with different configurations and functions. The standardized mounting interface allows different tool units to be interchangeably mounted on the same turret, enabling the system to perform multiple machining operations without requiring dedicated tooling for each operation
2Productivity
If the number of tools on the turret is increased to reduce tool replacement frequency, then the productivity improves, but the ease of operation deteriorates due to difficulty in selecting and arranging appropriate tools
Solution Approach 1:
Tools are organized into separate tool holder units, each dedicated to specific machining operations or tool types. This segmentation allows operators to select entire units based on the machining task at hand, rather than individually selecting and arranging multiple loose tools, thereby maintaining ease of operation while increasing total tool capacity
Solution Approach 2:
Multiple cutting tools are pre-configured and pre-positioned within each tool holder unit during manufacturing or setup. This preliminary arrangement of tools within units eliminates the need for operators to individually select and arrange tools during operation, simplifying the selection process to merely choosing the appropriate pre-configured unit for the current machining task
3Adaptability or versatility
If traditional turret designs with fixed tool layouts are used, then the device complexity is minimized, but the adaptability decreases for machining complex components with varying tooling requirements
Solution Approach 1:
The turret employs a universal mounting interface that can accommodate multiple types of tool holder units with different configurations, sizes, and functions. This universality allows the same turret to be adapted for machining various complex components by simply changing the mounted tool units, providing high adaptability without requiring multiple specialized turrets
Solution Approach 2:
The tool holder units are designed with dynamic indexing capability, allowing their rotational positions to be precisely adjusted and locked at multiple discrete positions around the turret. This dynamic positioning enables flexible arrangement of tools in space to accommodate different machining geometries and component configurations, enhancing adaptability for complex parts
Data Source
AI summary
A universal tool mounting system for a machining centre relates to CNC machine tools, comprising a main drum into which mounts a plurality of tool holder unit stations, these create a platform to attach, mount and interchange tool holder units on each station, where each tool holder unit is chosen from a designed selection which can turn, mill, bore, drill and rapidly machine components with multicut tools or alternately each performs a combination of these operations and each holds a plurality of tools. The main drum is indexed to position the tool holder unit station with the attached tool holder unit to the operative position, then the tool holder unit station is indexed to position a selected tool to the machining position. The tool holder unit stations also provide live tooling functions to any attached live tooling tool holder units. Tool holder unit stations can also be preindexed.