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Production technology of nuts

A manufacturing process and nut technology, which is applied in the field of nut manufacturing process, can solve the problems of time-consuming, restricting the mass production of nuts, and high production costs, and achieve fast production speed, improved processing speed and processing accuracy, and improved surface quality. Effect

Inactive Publication Date: 2019-06-18
嘉兴市兆丰五金科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the above scheme, the process adopts the melting and casting method to manufacture nuts, which takes a lot of time during cooling, and the molds required for casting molds limit the mass production of nuts, which easily leads to high production costs

Method used

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Embodiment Construction

[0024] The following descriptions are only preferred implementations of the present invention, and the scope of protection is not limited to this embodiment. All technical solutions under the idea of ​​the present invention shall belong to the scope of protection of the present invention. At the same time, it should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

[0025] A kind of manufacturing process of nut, comprises steps as follows:

[0026] A: Selection of raw materials: Select steel wire after carburizing. The carbon content in the steel wire is 0.45-0.55%, the aluminum content is 0.6-0.75%, the silicon content is less than 0.2%, and the rest is iron, and it is coiled into a coil. Carbon steel wire can make the nut harder;

[0027] B: Annealing: Send the coil into the annealing furnace for anneali...

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PUM

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Abstract

The invention discloses a production technology of nuts. The technology comprises the steps of A raw material selection; B, annealing; C, pickling and phosphatizing; D, drawing; E, cold heading forming; F, tapping; G, surface finishing: a finished product nut is placed into a cleaning pond which contains a cleaning solution to be cleaned and remove rust, and then drying and spraying process are conducted on the finished product nut; H, packaging and outbound delivery. The technology has the advantages that the method is simple and reasonable, the production speed is fast, the production efficiency is effectively improved, the production cost is reduced, the processing sequences of the nut is simplified by adopting the cold heating forming method, the processing cost is reduced, and the processing speed and accuracy are improved.

Description

technical field [0001] The invention relates to the technical field of nut manufacturing, in particular to a nut manufacturing process. Background technique [0002] There are many types of nuts, including typical hexagonal nuts, captive nuts, channel nuts, fulcrum nuts, lock nuts, movable joint nuts, outer casing nuts, small round nuts, connecting nuts, hexagonal thin nuts, support plate nuts, and double-ear self-supporting nuts. Lock nuts, etc.; play the role of connecting parts on the aero-engine, mainly responsible for the connection of pipeline parts, sealing parts and the connection of various parts, the quality of its processing is good or bad for the transmission, fastening and sealing of parts has a direct impact. [0003] A kind of manufacturing process disclosed as Chinese Patent No. CN107931574A comprises the following steps: the first step: melting copper and iron, at first copper is put into melting furnace, then iron is put into another melting furnace, and m...

Claims

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Application Information

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IPC IPC(8): B23P15/00
Inventor 胡众凯
Owner 嘉兴市兆丰五金科技股份有限公司
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