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Surface treatment method for high strength bolt

A high-strength bolt and surface treatment technology, applied in the direction of liquid cleaning methods, cleaning methods and utensils, chemical instruments and methods, etc., can solve problems such as low work efficiency, difficult operation, cumbersome steps of bolt surface treatment methods, etc., to achieve The steps are simple, easy to operate, and the processing effect is good

Inactive Publication Date: 2020-08-11
六安乐巴巴科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the surface and near-surface areas of materials control many mechanical and chemical properties of solids, such as friction, wear, corrosion and fracture, etc. Therefore, various surface treatment technologies are used to improve the performance of material surfaces, such as bolt-like workpieces, which are located outdoors Bolt workpieces have to withstand various external environments and their performance must be kept stable. The existing bolt surface treatment methods are cumbersome and difficult to operate, and the existing bolt surface treatment uses ultrasonic cleaning machines, which have low work efficiency.

Method used

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  • Surface treatment method for high strength bolt
  • Surface treatment method for high strength bolt
  • Surface treatment method for high strength bolt

Examples

Experimental program
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Effect test

Embodiment 1

[0033] see Figure 1-4 , an ultrasonic cleaning device, comprising an ultrasonic cleaning machine, the ultrasonic cleaning machine includes a cleaning box 1 and a collection box 2 adjacently arranged, the cleaning box 1 is provided with an ultrasonic cleaning device, and the ultrasonic transducer in the ultrasonic cleaning device is placed in the cleaning box 1, so as to carry out ultrasonic cleaning, the side of the cleaning box 1 close to the collection box 2 is provided with a rectangular opening, and the opposite sides of the opening are all vertically fixed side plates 4 inward, and the middle part of the opening is rotated to install a horizontal shaft 5 , the cleaning box 1 is also provided with a sealing mechanism for sealing the rotating shaft 5 and the open bottom surface, and the outer wall of the cleaning box 1 is fixed with a first motor 13, and the output shaft of the first motor 13 is drivingly connected with the rotating shaft 5 for driving the rotating shaft 5...

Embodiment 2

[0037] This embodiment is a further improvement on the basis of Embodiment 1. The drying mechanism includes a movable support frame 11, a second hot air blower 16, and a mounting frame 17, wherein the movable support frame 11 is an L-shaped plate, and the movable The longitudinal section of support frame 11 is positioned at collection box 2 outsides, and is slidably connected with the outer wall of collection box 2; On the mounting frame 17, a plurality of blowing heads 23 communicated with its air outlet end are installed on the outside of the second hot air blower 16.

[0038] Wherein, the mounting frame 17 is a rectangular block, and the hollow of the mounting frame 17 is provided with a rectangular hollow portion, the transverse section of the movable support frame 11 passes through the hollow portion of the mounting frame 17, and the positioning rod 27 is fixed in the hollow portion of the mounting frame 17. The transverse section top surface of support frame 11 is also p...

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Abstract

The invention discloses a surface treatment method for a high strength bolt. The method specifically comprises the following steps of S1, putting a bolt workpiece in a heating furnace to be insulatedfor 50-55 min at 350-380 DEG C till the surface of the bolt workpiece is oilless; S2, immersing the bolt workpiece in the S1 fully in an acidic solution, the mass concentration of which is 7-11 wt%, ultrasonically cleaning the bolt workpiece for 18-25 min by using an ultrasonic cleaner provided in the description at 30 DEG C, taking out the workpiece, and cleaning and removing the acidic solutionon the surface of the bolt workpiece with purified water; S3, immersing the bolt workpiece treated in the S2 fully in a sodium hydrogen carbonate solution, the mass concentration of which is 3-5 wt%,ultrasonically cleaning the bolt workpiece for 10-15 min at 25 DEG C, taking out the workpiece, rinsing the bolt workpiece with purified water for 4-6 min and taking out the bolt workpiece for later use; and S4, polishing the bolt treated in the S3. The surface of the bolt can be pre-treated by the steps, so that the method is simple in step and convenient to operate, and the surface quality of the bolt can be improved effectively.

Description

technical field [0001] The invention relates to the field of bolt processing, in particular to a surface treatment method for high-strength bolts. Background technique [0002] At present, the surface and near-surface areas of materials control many mechanical and chemical properties of solids, such as friction, wear, corrosion and fracture, etc. Therefore, various surface treatment technologies are used to improve the performance of material surfaces, such as bolt-like workpieces, which are located outdoors Bolt workpieces have to withstand various external environments and their performance must be kept stable. The existing bolt surface treatment methods are cumbersome and difficult to operate, and the existing bolt surface treatment uses ultrasonic cleaning machines, which have low work efficiency. Contents of the invention [0003] The purpose of the present invention is to provide a method for surface treatment of high-strength bolts to solve the problems raised in th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B3/08B08B3/12B08B3/02B08B13/00C23G1/02C23G1/14F26B5/16F26B21/00
CPCB08B3/02B08B3/08B08B3/12B08B13/00C23G1/02C23G1/14F26B5/16F26B21/001F26B21/004
Inventor 吴玲许昭圣
Owner 六安乐巴巴科技有限公司
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