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Methods for determining a melt layer thickness associated with a predetermined weld strength based on a correlation therebetween

A technology of welding strength and melting layer, applied in the field of one or more welding process settings to optimize the welding process, and can solve problems such as the inability to guarantee welding consistency

Active Publication Date: 2021-01-26
DUKANE IAS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, given the practical variation in part dimensions and the limited ability of pneumatically driven ultrasonic welders to control the displacement rate of molten material, none of these control modes can guarantee consistent welds

Method used

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  • Methods for determining a melt layer thickness associated with a predetermined weld strength based on a correlation therebetween
  • Methods for determining a melt layer thickness associated with a predetermined weld strength based on a correlation therebetween
  • Methods for determining a melt layer thickness associated with a predetermined weld strength based on a correlation therebetween

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Embodiment Construction

[0029] overall reference Figure 1A to Figure 1C , the exemplary assembly 100 includes a first part 110 and a second part 120 welded together using a welding process. The first component 110 includes an energy director 112 ( Figure 1B and 1C ), the energy director 112 is configured to facilitate welding the first part 110 to the second part 120. like Figure 1B As shown, prior to welding, the first component 110 and the second component 120 are placed against each other such that the energy director 112 abuts the upper surface of the second component 120 . The welding process imparts energy (e.g., thermal energy, vibrational energy, or electromagnetic energy) and pressure (e.g., by clamping the first part 110 and the second part 120 together) to the first part 110 and the second part 120 such that the The two parts are welded together. The energy director 112 is completely consumed or melted during the welding process. The welding process used to weld or join the first ...

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Abstract

A method for optimizing a welding process to produce a weld joint having a predetermined strength includes the steps of: measuring a plurality of melt layer thicknesses of weld joints for a pluralityof sample assemblies formed by the welding process, measuring a plurality failure loads of weld joints for the plurality of sample assemblies, each of the measured plurality of failures loads being associated with one of the measured plurality of melt layer thicknesses, selecting a first failure load from the plurality of measured failure loads responsive to determining that the first failure loadcorresponds to a predetermined weld strength, and selecting a first melt layer thickness from the plurality of measured melt layer thicknesses that is associated with the selected first measured failure load.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit and priority of U.S. Provisional Application No. 62 / 684,456, filed June 13, 2018, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates generally to welding processes, and more particularly to methods for optimizing one or more welding process settings of a welding process. Background technique [0004] Ultrasonic welding of thermoplastics is widely used in many industries to weld two parts together to form an assembly in a short time without introducing additional consumables such as fasteners, adhesives or solvents. Ultrasonic welding processes are fast, economical, and easily automated, and are often controlled by time, energy, or welding distance to achieve welds of predictable quality. However, given the practical variation in part dimensions and the limited ability of pneumatically driven ultrasonic welders to control...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C65/08B29C65/82G01N3/08B23K20/10
CPCG01N3/08B29C65/08B23K20/10B23K31/125B29C66/73921B29C66/8322B29C65/8253B29C66/30223B29C65/16B29C65/20B29C66/542B29C66/1222B29C66/1224B29C66/112B29C66/114B29C66/847B29C66/8246B29C66/8242B29C65/8215B29C65/823B29C65/8246B29C66/939B29C66/9592B29C66/934B29C66/92921B29C66/9221B29C66/9231B29C66/9241B29C66/92611B29C65/1412B29C65/02B29C66/954B29C66/964B29C66/302B29C66/9516
Inventor 亚历山大·萨维茨基里奥·克林斯坦肯尼斯·安德鲁·霍尔特哈迪克·谢莱什·帕塔克罗伯特·爱德华·阿尔达兹
Owner DUKANE IAS LLC