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Device for detecting density of aluminum-nickel-cobalt permanent magnet alloy pressed blanks

A permanent magnet alloy, density detection technology, used in the preparation of test samples, material analysis by measuring buoyancy, etc., can solve the problem of unmeasurable density of hair damage, and achieve simple structure, easy operation and accurate test process. Effect

Inactive Publication Date: 2010-05-19
宁波盛事达磁业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the pressed blank is pressed with dry powder, there are a lot of pores inside the blank. During the process of measuring the product density by the drainage method, water will directly enter the inside of the pressed blank, resulting in the density of the blank being unable to be measured.

Method used

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  • Device for detecting density of aluminum-nickel-cobalt permanent magnet alloy pressed blanks
  • Device for detecting density of aluminum-nickel-cobalt permanent magnet alloy pressed blanks
  • Device for detecting density of aluminum-nickel-cobalt permanent magnet alloy pressed blanks

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0015] A preferred embodiment is given below:

[0016] as attached figure 1 As shown, a density detection device for AlNiCo permanent magnet alloy pressing blanks includes at least two cylinders 6, a cylinder cover 4 is arranged above the cylinder 6, and a clip bar 2 is arranged above the cylinder cover 4, Locking bolts 1 are arranged on the clamping strip 2, a sample table 7 is arranged inside each of the cylinders 6, and the cylinders 6 are connected through a connecting pipe 8 at the bottom, and the connecting pipe 8 is provided with a There is a communication valve 10, and a vacuum stop valve 5 and an air release valve 9 are respectively arranged above the cylinder body 6.

[0017] A sealing ring 3 is arranged between the cylinder cover 4 and the cylinder body 6 .

[0018] Other equipment...

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Abstract

The invention relates to a device for detecting density of powder alloy pressed blank products, and in particular provides a device for detecting the density of aluminum-nickel-cobalt permanent magnet alloy pressed blanks. The device comprises at least two drum bodies, wherein drum covers are arranged above the drum bodies; clamping strips are arranged above the drum covers and are provided with locking bolts; a sample stage is arranged in each drum body; the drum bodies are communicated through a bottom communicating pipe; the communicating pipe is provided with a communicating valve; and a vacuum stop valve and a deflation valve are arranged above the drum bodies respectively. Compared with the prior art, the device has the characteristics of reasonable design, simple structure, accurate testing process, easy operation, low implementation cost, and the like.

Description

technical field [0001] The invention relates to a density detection device for a powder metallurgy pressed blank product, and specifically provides a density detection device for an AlNiCo permanent magnet alloy pressed blank. Background technique [0002] One of the key processes in powder metallurgy production is compression molding. The quality of the forming blank directly affects the size and performance of the final product, while the quality of the forming blank includes the unit weight, size, appearance, and the uniformity of the blank density and blank density. The single weight, size and appearance of the blank are of great importance to the final product. The density and density uniformity also play a vital role in the final quality of the product. For example, if the pressing density is too small during the pressing process, the The product is easy to cause missing edges and corners in the process of pressing and transferring, and the density of the sintered body...

Claims

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Application Information

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IPC IPC(8): G01N1/28G01N9/08
Inventor 张利平王占国凌铨
Owner 宁波盛事达磁业有限公司
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