Radial Press Cutting Tool With Linear Force Feedback

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Solution Overview

Problem

Radial presses, despite their versatility, incur significant investment costs, particularly for high-performance models, which can be a financial burden for small workshops and facilities.

Innovation Solution

The integration of a cutting tool with linear guide elements within the radial press allows for the internal feedback of reactive forces during cutting, reducing wear on the base jaws and extending the useful life of the press.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a radial press is equipped with a cutting tool to perform cutting tasks, then productivity and economic efficiency are improved, but the useful life of the base jaws deteriorates due to increased wear from cutting forces

Engineering Contradiction:
Improveworkload of the radial pressVSAvoiduseful life of the base jaws
Core Design Contradiction:
ProductivityVSDuration of action of stationary object

Solution Approach 1:

The linear guide elements provide internal feedback of reactive forces during cutting operations. The guide elements are designed to receive and redirect cutting forces back into the cutting tool structure, preventing these forces from being transmitted to the base jaws. This feedback mechanism allows the press to perform cutting tasks while protecting the base jaws from wear, thus resolving the contradiction between improved productivity and extended base jaw life

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The linear guide elements act as an intermediary between the cutting tool and the base jaws. They serve as a force transmission path that redirects cutting forces away from the base jaws and back into the cutting tool structure. This intermediary mechanism enables the base jaws to remain protected while the cutting function is performed, resolving the contradiction between productivity improvement and base jaw durability

Inventive Principle:
Principle #24Intermediary (Mediator)

2Device complexity

If a radial press is used for both pressing and cutting tasks, then device complexity is reduced by eliminating separate cutting machinery, but manufacturing precision deteriorates due to the dual-function design

Engineering Contradiction:
Improvenumber of machines requiredVSAvoidprecision of pressing operations
Core Design Contradiction:
Device complexityVSManufacturing precision

Solution Approach 1:

The radial press is designed with universal multi-functionality, capable of performing both pressing and cutting operations. The cutting tool is integrated into the existing press structure, allowing a single machine to handle multiple tasks that previously required separate equipment. This multi-functionality reduces device complexity while maintaining pressing precision through the feedback mechanism that protects the base jaws

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The linear guide elements provide feedback that redirects cutting forces, preventing them from affecting the precision of pressing operations. By channeling cutting forces back into the cutting tool structure, the feedback mechanism ensures that pressing accuracy is maintained even though the machine performs dual functions, thus resolving the contradiction between reduced device complexity and maintained manufacturing precision

Inventive Principle:
Principle #23Feedback

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 configuration enhances the economic efficiency of radial presses by allowing them to perform cutting tasks without the need for additional cutting machinery, reducing maintenance costs, and prolonging the press's operational lifespan.

Implementation Method 1

The cutting tool has linear guide elements, which guide two base structures disposed diametrically opposite one another relative to one another with relative movability perpendicular to the press axis

Methodology Applied
Scientific EffectLinear guidance:

Data Source

PatentUS20250041925A1Radial press
Publication Date: 2025.02.06 UNIFLEX HYDRAULIC
  • US20250041925A1 patent drawing
  • US20250041925A1 patent drawing
  • US20250041925A1 patent drawing

AI summary

A radial press has at least six main jaws arranged concentrically and uniformly about a press axis to be moved radially in the direction of and away from the press axis by a drive unit. Each main jaw has a contact surface radially inwards and mechanical holding means for press jaws that can be attached in an exchangeable manner. A cutting tool is received in a tool installation area delimited outwardly by the main jaws. The cutting tool has multiple cutting attachments, each of which is attached to a main jaw and has a base structure. At least one of the cutting attachments has a cutting structure. Each base structure has a support surface which rests against the contact surface of the paired main jaw and at least one engagement element. The cutting structure protrudes from the paired base structure in the direction of the press axis.