Pipe Machining Insert Layout for Multi-Angle Bevel Cutting

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Solution Overview

Problem

The high cost and complexity of maintaining a variety of cutting tools for pipe machining apparatuses due to the need for durable materials and the risk of tool loss or damage, resulting in expensive replacements.

Innovation Solution

A pipe machining apparatus with interchangeable cutting inserts that can be coupled to a base using adjustable fasteners, allowing a single cutting insert to perform multiple bevel cuts at different angles, reducing the need for multiple tools and lowering overall costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple cutting tools are used to perform various bevel cuts at different angles, then the pipe machining apparatus can achieve a wide variety of cutting operations, but the device complexity and cost increase due to maintaining a large quantity of tools

Engineering Contradiction:
Improvecutting operation varietyVSAvoidtool quantity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The cutting insert is designed with multiple cutting edges (first, second, third, and fourth cutting edges) that can perform different cutting functions. By rotating the cutting insert to different orientations, a single insert can execute various bevel cuts at different angles, replacing the need for multiple dedicated cutting tools and reducing tool inventory complexity

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

Solution Approach 2:

The cutting insert is divided into distinct functional segments with separate cutting edges positioned at different orientations. Each cutting edge is designed for specific cutting operations, and the insert can be rotated to bring different edges into position, enabling one component to perform multiple functions that previously required separate tools

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If multiple cutting tools are maintained for different cutting operations, then various bevel cuts can be performed, but the cost increases due to expensive durable materials and tool replacement

Engineering Contradiction:
Improvecutting operation varietyVSAvoidtool cost
Core Design Contradiction:
Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

A single cutting insert with multiple cutting edges performs various cutting operations that previously required multiple expensive tools. This reduces the quantity of cutting tools needed while maintaining the ability to perform diverse bevel cuts, directly lowering tool inventory costs and replacement expenses

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

Solution Approach 2:

When one cutting edge becomes worn or damaged, the cutting insert can be rotated to use another cutting edge instead of discarding the entire insert. This extends the service life of the cutting insert and reduces the frequency of replacements, lowering overall tool costs

Inventive Principle:
Principle #34Discarding and recovering

3Adaptability or versatility

If multiple cutting tools are required for various bevel cuts, then comprehensive cutting capabilities are achieved, but the ease of operation decreases due to tool tracking and loss risk

Engineering Contradiction:
Improvebevel cut capabilityVSAvoidtool management
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The cutting insert serves multiple cutting functions through its multiple edges and rotational capability. Operators only need to manage a single cutting insert rather than tracking multiple different cutting tools, eliminating the burden of tool inventory management and reducing loss risk

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

Solution Approach 2:

The cutting insert can be dynamically rotated to different orientations to access different cutting edges based on the required bevel angle. This dynamic repositioning allows one static component to perform multiple functions, simplifying tool management while maintaining cutting versatility

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP3766612B1Pipe machining apparatus
Publication Date: 2024.10.02 ILLINOIS TOOL WORKS INC
  • EP3766612B1 patent drawingFigure 1
  • EP3766612B1 patent drawingFigure 2
  • EP3766612B1 patent drawingFigure 3

AI summary

A pipe machining apparatus comprising a frame (28), a tool carrier (32), a tool support (48), a first cutting tool base (100), a second cutting tool base (100A) and a cutting insert (104). The frame (28) is configured to be mounted around an outer surface of a pipe and fixed relative to the pipe. The tool carrier (32) is moveably coupled to the frame (28) such that it can rotate about the pipe. The tool support (48) is coupled to and moveable with the tool carrier (32). The first cutting tool base (100) is configured to be coupled to the tool support (48). The second cutting tool base (100A) is also configured to be coupled to the tool support (48), wherein the first cutting tool base (100) and the second cutting tool base (100A) can be interchangeably coupled to the tool support (48). The cutting insert (104) can be interchangeably coupled to the first cutting tool base (100) and it can also be interchangeably coupled to the second cutting tool base (100A), wherein the cutting insert (104) includes a cutting edge (124, 128, 132, 136) configured to cut the pipe, and wherein the cutting insert (124) is oriented in a first orientation to perform a first cut with the cutting insert (104) coupled to the first cutting tool base (100) and in a second orientation to perform a second cut with the cutting insert (104) coupled to the second cutting tool base (100A), wherein the first cut is different than the second cut.