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Monolithic weighing system

A weighing system, one-piece technology, applied in the details of weighing equipment, weighing equipment using electromagnetic balance, weighing, etc., to solve problems such as limited reproducibility, assembly impact, assembly inaccuracy, etc.

Active Publication Date: 2015-12-09
SARTORIUS LAB INSTR GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is to say, due to the limited reproducibility of the relative position of the position sensor carrier relative to the slit diaphragm, which was achievable with conventional manufacturing measures, mounting inaccuracies and mounting influences such as temperature can occur with respect to the screwing. influences

Method used

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Embodiment Construction

[0022] figure 1 and figure 2 An embodiment of the weighing system 10 according to the invention in the form of a one-piece construction is shown. image 3 The same one-piece weighing system 10 is shown, extended with position sensors. In particular, by adding force compensation, suitable electronics, further expansion of the weighing pan and housing, a weighing device with a wide range of applications is finally constructed. Therefore, as long as no separate emphasis is placed on referring to particular illustrations, the following Figure 1 to Figure 3 Make a common description.

[0023] The weighing system 10 is designed in one piece, that is to say it is manufactured in one piece from a block of material. For this purpose, aluminum blocks are preferably used which are produced as stress-free as possible. Machining is first performed mechanically, in particular by milling and drilling, preferably using a programmable CNC machine tool.

[0024] The weighing system 10 h...

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Abstract

The invention relates to a monolithic weighing system (10), comprising a base (12), a load holder (26), which is articulated on the base (12) by means of a parallel link arrangement (16, 20), and a lever (28), which is articulated on the load holder (26) and which has an insertion point for a force-compensating arrangement and a target area (32) for an optical position sensor (34), wherein the target area (32) has a slotted diaphragm (36) in a thin-walled lever section of the lever (28) in the deflection plane thereof. The invention is distinguished in that a pedestal (38a,b) that is integrally connected to the base (12) is arranged adjacent to the target area (32) and is provided with a pedestal perforation (40a,b) oriented at right angles to the deflection plane, wherein the slotted diaphragm (36) of the target area (32) is made through the pedestal perforation (40a,b) by means of laser machining.

Description

technical field [0001] The invention relates to a one-piece weighing system comprising a base, a load receiver hinged on the base via parallel guide means and a lever hinged on the load receiver, the lever having an attachment point for a force compensation device and A target region for an optical position sensor, wherein the target region has a slit diaphragm in a thin-walled lever section of the lever in an offset plane of the lever. [0002] Furthermore, the invention also relates to a weighing device comprising such a single weighing system. Background technique [0003] Individual weighing systems as core elements of weighing devices are known to those skilled in the art from precision weighing devices, in particular from precision weighing devices operating according to the principle of electromagnetic force compensation. Such a weighing system has a load receiver which is articulated on the base by means of a parallel guide arrangement. In the resulting precision w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G7/02
CPCG01G7/02G01G23/361
Inventor 温弗里德·格拉夫
Owner SARTORIUS LAB INSTR GMBH & CO KG
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