Rotatable Diamond-Finishing Head for Variable-Diameter Rods

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Solution Overview

Problem

Existing diamond-finishing machines for elongated bodies are inefficient in handling cylindrical shapes with varying diameters, requiring frequent substitutions of milling heads and adjustments of mechanical actuation members, leading to increased operational time and complexity.

Innovation Solution

A machine with a rotatable support and adjustable milling cutter system that allows for diamond-finishing of elongated bodies with different diameters using a single milling head and actuation setup, featuring a rotatable support with a through hole and motor-driven adjustments for versatile operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If milling heads are substituted for each diameter of cylindrical elongated bodies, then diamond-finishing can be performed on different sized bodies, but operational time is lost and device complexity increases

Engineering Contradiction:
Improveability to machine different diametersVSAvoidtime for substituting milling heads
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The milling head is designed with a universal counter-shaped work surface that can accommodate multiple diameters of cylindrical elongated bodies through adjustment mechanisms, eliminating the need for multiple specialized milling heads for different sizes

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

2Adaptability or versatility

If milling heads are substituted for each diameter of cylindrical elongated bodies, then diamond-finishing can be performed on different sized bodies, but the number of milling heads required increases

Engineering Contradiction:
Improveability to machine different diametersVSAvoidnumber of milling heads to be provided
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

A single milling head with adjustable components is designed to perform diamond-finishing on cylindrical elongated bodies of various diameters, replacing the need to maintain multiple specialized milling heads in inventory

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

Solution Approach 2:

The milling head incorporates adjustable and movable components that can be reconfigured for different diameters, transforming a static single-function tool into a dynamic multi-function tool

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If actuation members are re-equipped for each size of elongated bodies, then diamond-finishing can be performed on different sized bodies, but device complexity and operational complexity increase

Engineering Contradiction:
Improveability to machine different sizesVSAvoidcomplexity of actuation members
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The actuation members are designed with adjustable settings that can be modified for different sizes of elongated bodies, allowing the mechanical cam drive system to adapt to various dimensions without requiring complete re-equipment

Inventive Principle:
Principle #15Dynamics

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

Enables efficient diamond-finishing of elongated bodies with varying diameters without the need for frequent milling head substitutions or actuation adjustments, improving operational efficiency and quality of the finished surfaces.

Implementation Method 1

the diamond-finishing provides for removing, by means of tools with a diamond tip, metal flakes from the external surface of an element to be machined

Methodology Applied
Scientific EffectAbrasion: Abrasion

Data Source

PatentEP3922407B1Machine for diamond-finishing elongated bodies
Publication Date: 2023.04.26 PETTENUZZO GIANNI
  • EP3922407B1 patent drawingFigure 1
  • EP3922407B1 patent drawingFigure 2
  • EP3922407B1 patent drawingFigure 3

AI summary

Machine (1) for diamond-finishing elongated bodies (100) movable along a movement path (Y). The machine (1) comprises at least one operating group (4), mechanically placed to intercept the movement path (Y) and provided with at least one diamond-finishing milling cutter (5) adapted to operate on the elongated body (100). In addition, the operating group (4) comprises a rotatable support (7), which is susceptible of rotating around a first rotation axis (Rl) and is provided with a through hole (71), which is crossed by the movement path (Y) and has an axis (X) substantially parallel to the first rotation axis (Rl); in which the diamond-finishing milling cutter (5) is mounted on the rotatable support (7) and projects inside the through hole (71) towards the axis (X).