Kneading Machine Tank Bottom Machining for Geometry Precision

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Solution Overview

Problem

Conventional tank production methods for kneading machines result in tanks with significant deviations from desired geometry, leading to inconsistent dough quality, increased production costs, and laborious installation processes due to structural differences and alignment issues on rotating-tank kneading machines.

Innovation Solution

A tank design featuring a vessel wall and bottom with precisely engineered components, including a disk, band, and radiusing surfaces, where the band engages the driving means and vessel wall, ensuring consistent geometry and alignment, achieved through machining operations like turning to ensure precise reproduction of design geometry and rotational symmetry.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If tanks are produced via cold deformation of plane sheet metal, then production is simpler and faster, but manufacturing precision and geometric consistency deteriorate with considerable deviations from reference geometry

Engineering Contradiction:
Improveproduction speedVSAvoidgeometric precision
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The tank bottom is pre-formed with a driving means engagement portion that includes a contrast surface and engagement protrusions during the initial shaping process. This preliminary formation of precise geometric features eliminates the need for subsequent manual inspection and adjustment operations, while maintaining efficient production throughput through automated forming processes.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The invention transitions from conventional cold deformation methods to a process that incorporates precise parameter control in the forming stage, including controlled curvature of the contrast surface and precisely positioned engagement protrusions. These parameter changes ensure consistent geometric properties across all tanks while maintaining production efficiency.

Inventive Principle:
Principle #35Parameter changes

2Ease of manufacture

If tanks are produced via cold deformation, then production costs are lower, but quality consistency deteriorates requiring individual machine control interventions

Engineering Contradiction:
Improveproduction costVSAvoiddough quality consistency
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The tank design incorporates universal engagement portions with standardized contrast surfaces and engagement protrusions that ensure consistent performance across all machines. This universal design eliminates the need for individual machine adjustments and interventions, achieving both cost-effectiveness and reliable dough quality consistency through standardized components.

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

3Ease of manufacture

If conventional tank production methods are used, then manufacturing is simpler, but installation complexity increases due to laborious inspection and adjustment operations

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidinstallation complexity
Core Design Contradiction:
Ease of manufactureVSDevice complexity

Solution Approach 1:

The tank bottom is pre-formed with a driving means engagement portion that includes a contrast surface and engagement protrusions during the initial shaping process. This preliminary formation of precise geometric features eliminates the need for subsequent manual inspection and adjustment operations, significantly reducing installation complexity while maintaining manufacturing simplicity.

Inventive Principle:
Principle #10Preliminary action

4Productivity

If tanks lack precise geometric consistency, then production is faster, but alignment precision deteriorates requiring burdensome interventions for axis alignment

Engineering Contradiction:
Improveproduction throughputVSAvoidaxis alignment precision
Core Design Contradiction:
ProductivityVSMeasurement precision

Solution Approach 1:

The tank bottom incorporates a localized contrast surface with specific curvature and engagement protrusions positioned at precise locations. This local quality enhancement in the engagement portion ensures accurate axis alignment without requiring precise control of the entire tank geometry, maintaining production throughput while achieving required alignment precision.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP2384847B1Tank for kneading machine
Publication Date: 2018.07.04 SANCASSIANO
  • EP2384847B1 patent drawingFigure 1~1B
  • EP2384847B1 patent drawingFigure 2
  • EP2384847B1 patent drawingFigure 3

AI summary

A tank comprising a vessel wall (11) and a bottom (12) fixed to said vessel wall (11). The bottom (12) comprises a portion (14) obtained by chip-removing machining. The tank can be used for a machine for kneading foodstuff substances in which the tank can be driven in rotation by driving means of driving said machine. The aforesaid portion (14) is prearranged for direct engagement with the aforesaid driving means of the kneading machine.