Pneumatic Tooling Base for Precise Fixture Registration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing tooling bases for machining are complex to manufacture, require many precision parts, and lack efficient mechanisms for automatic actuation and precise registration of tooling fixtures, making them difficult to automate and adapt to various fixtures.
Innovation Solution
A pneumatically actuated tooling base with a simplified internal clamping mechanism using interconnecting clamping fixtures and a threaded shaft with right and left-handed threads, allowing for precise registration and easy attachment/removal of tooling fixtures while reducing the number of moving parts and manufacturing complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional tooling bases use complex internal clamping mechanisms with multiple precision parts, then precise registration of tooling fixtures is achieved, but manufacturing complexity and difficulty increase significantly
Solution Approach 1:
The tooling base is divided into distinct functional modules: a base structure with precisely machined mounting surfaces, separate clamping fixtures with simple clamping arms, and individual alignment studs. Each module can be manufactured independently with standard tolerances, then assembled to achieve the required overall precision, avoiding the need for complex monolithic mechanisms.
Solution Approach 2:
The clamping fixtures incorporate self-aligning features where the clamping arms automatically position themselves relative to the alignment studs during attachment. The precision is built into the fixed base structure and alignment studs, while the clamping mechanism simply needs to apply force without requiring high precision itself, allowing each component to serve its function optimally.
2Manufacturing precision
If traditional tooling bases use multiple precision parts with multiple surfaces fitting together, then precise registration is maintained, but the number of parts and manufacturing steps increase
Solution Approach 1:
The base structure incorporates universal mounting surfaces and standardized alignment stud positions that can accommodate various types of tooling fixtures. The alignment studs serve multiple functions: positioning, alignment, and clamping reference points. This universality allows the same base to work with different fixtures without requiring custom precision mechanisms for each application.
Solution Approach 2:
The clamping fixtures are designed as simpler, potentially replaceable components rather than permanent precision parts. The alignment studs and base mounting surfaces are the critical precision elements that remain, while the clamping arms can be simpler structures that are easier to manufacture and replace if worn, reducing overall manufacturing complexity.
3Extent of automation
If tooling bases lack automated actuation mechanisms, then manual operation is possible, but automation and productivity are reduced
Solution Approach 1:
The manual threading and clamping action is replaced with a pneumatic or hydraulic actuator that automatically applies clamping force. The actuator connects to the clamping fixture through a simple mechanical interface, converting fluid pressure into the required clamping motion without requiring complex mechanical transmission mechanisms, thus enabling automation while keeping the overall system relatively simple.
4Manufacturing precision
If tooling bases are designed for specific fixtures, then precise registration is achieved for those fixtures, but adaptability to various fixture types is reduced
Solution Approach 1:
The base structure incorporates universal mounting surfaces and standardized alignment stud positions that can accommodate various types of tooling fixtures. The alignment studs serve multiple functions: positioning, alignment, and clamping reference points. This universality allows the same base to work with different fixtures without requiring custom precision mechanisms for each application.
Solution Approach 2:
The tooling base system is segmented into the permanent precision base structure and the removable adaptable clamping fixtures. The base provides the fixed precision reference framework, while the clamping fixtures can be configured or selected to match different tooling requirements, allowing precision to be maintained while adapting to various fixture types.
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 solution enables precise registration and easy automation of tooling fixtures, reducing manufacturing complexity and allowing for adaptation to various fixtures, while maintaining accuracy and ease of use through pneumatic actuation.
Implementation Method 1
The base allows the fixtures and workpieces to be removed and re-attached robotically, while maintain registration accuracy... There is a need for a tooling base that can be actuated by any of a non-limiting list of means, including compressed air, and, therefore actuated pneumatically
Implementation Method 2
A pneumatically actuated tooling base with a simplified internal clamping mechanism using interconnecting clamping fixtures and a threaded shaft with right and left-handed threads
Data Source
AI summary
A tooling base that is an improvement over current designs in the form of simplified number of parts, easier manufacturing of parts and that can be actuated for clamping and releasing a tooling fixture by pneumatic, other computer controlled means as well as manually is described. The tooling base uses clamping fixtures that are spring loaded to press cleats into recesses on alignment studs that locate and hold any variety of tooling fixtures to the base.