CN115401430A - A processing technology of nose cone and pipe system - Google Patents

Abstract

The invention provides a front cone and pipe system processing technology, which can effectively ensure that the precision and the integral smoothness of a product meet the quality requirement, thereby ensuring the integral quality of subsequent products, and the invention also provides a test device which is characterized in that: the method comprises the steps of assembling, surface treatment, welding, testing, cleaning and checking, wherein the assembling process comprises pipe system bending, shape correction and front assembly connection, the surface treatment process comprises connecting and pickling a cone and a pipe system part to be welded, and then carrying out surface nickel plating treatment, the welding process comprises welding and connecting the bending pipe and the cone, then carrying out endoscopic and flaw detection on the welding part, the testing process comprises pipe system leakage prevention and pressure resistance testing on the whole welded by the bending pipe and the cone through a testing device, the cleaning process comprises cleaning a product, and the checking process comprises integral checking on the whole product, so that the whole product is machined.

Description

A processing technology of nose cone and pipe system

technical field

The invention relates to the technical field of product processing, in particular to a nose cone and pipe system processing technology.

Background technique

As shown in Figure 1, the product is the connection structure between the cone and the pipe. The connection structure between the cone and the pipe must be combined with other subsequent parts to form a whole product after processing. Therefore, the front cone and the pipe system not only To ensure a certain accuracy, but also to ensure the overall smoothness of the product, so as to ensure that the subsequent product assembly can meet the quality requirements of the product. The existing processing technology cannot meet the above requirements, and the precision and overall smoothness of the produced products cannot be guaranteed. The quality requirements of the product affect the overall quality of subsequent products.

Contents of the invention

Aiming at the deficiencies of the existing technology, the present invention provides a nose cone and pipe system processing technology, which can effectively ensure that the precision and overall smoothness of the product meet the quality requirements, thereby ensuring the overall quality of subsequent products.

The technical solution is as follows: a nose cone and pipe system processing technology, which is characterized in that it includes assembly, welding, surface treatment, testing, cleaning and inspection processes;

The assembly process includes bending and correcting the shape of the pipe system, and then assembling and connecting with the front;

The surface treatment process includes that the surface treatment process includes pickling the cone and the pipe system to be welded, and then performing nickel plating on the surface;

The welding process includes welding the elbow and the cone, and then performing endoscopic and flaw detection on the welded part;

The test process includes conducting leak-proof and pressure-resistant tests on the whole welded elbow and cone through the test device;

The cleaning process includes cleaning the product;

The inspection process includes an overall inspection of the entire product, thereby completing the entire product processing.

It is further characterized in that: the welding process adopts vacuum brazing, and after the welding is completed, the flame is turned off and the gas is kept for 3 to 5 seconds; the test process ensures that the additional stress on the slope of the front cone is not greater than 700N.

The present invention adopts the above-mentioned scheme, which includes assembly, welding, surface treatment, testing, cleaning, and inspection processes. The treatment process includes pickling the connection between the cone and the pipe system to be welded, and then performing nickel plating on the surface. The welding process includes welding the elbow and the cone, and then performing endoscopic and flaw detection on the welded part. The test process Including the leak-proof and pressure-resistant test of the pipe system after welding the elbow and the cone through the test device, the cleaning process includes cleaning the product, and the inspection process includes the overall inspection of the entire product, so as to complete the entire product processing. It can effectively ensure that the precision and the overall smoothness of the product meet the quality requirements, thereby ensuring the overall quality of subsequent products. The invention also provides a test device at the same time.

Description of drawings

Figure 1 is a structural diagram of the front cone and piping system.

Detailed ways

A nose cone and pipe system processing technology, which includes assembly, welding, surface treatment, testing, cleaning, and inspection processes; the assembly process includes bending and correcting the pipe system, and then assembling and connecting with the front; the surface treatment process Including the surface treatment process including pickling the connection between the cone and the pipe system to be welded, followed by nickel plating on the surface, the welding process includes welding the elbow and the cone, and then performing endoscopic and flaw detection on the welded part; The test process includes the leak-proof and pressure-resistant test of the pipe system after welding the elbow and the cone through the test device; the cleaning process includes cleaning the product; the inspection process includes the overall inspection of the entire product, so as to complete the entire product processing.

The present invention adopts the above process, which can effectively ensure that the precision and overall smoothness of the product meet the quality requirements, thereby ensuring the overall quality of subsequent products. The present invention also provides a test device at the same time.

Endoscopy and flaw detection are carried out on the welded parts. The endoscope ensures the welding quality of the inner wall of the welded part, and the flaw detection ensures the quality of the weld.

Vacuum brazing is carried out in a vacuum furnace. First, assemble the front cone and the pipe system, place the solder on the welding part, and place it in the vacuum furnace. The vacuum furnace is first evacuated and heated to the required temperature for brazing. Hold for 3 to 5 seconds, cool with argon gas, do not use flames, prevent air from entering the weld seam, and better ensure the quality of the weld seam, thereby ensuring the quality of the product.

The present invention and its implementation have been described schematically above, the description is not restrictive, and what is shown in the accompanying drawings is only one of the implementation of the present invention, and the actual structure is not limited thereto, as long as those skilled in the art Inspired by it, without departing from the purpose of the invention, any structural means and embodiments similar to the technical solution without creative design shall fall within the scope of protection of the present invention.

Claims (4)

1. A front cone and pipe system processing technology is characterized in that: the method comprises the processes of assembly, welding, surface treatment, test, cleaning and inspection;

the assembly process comprises pipe bending and shape correction of a pipe system, and then assembly connection with the pipe system before;

the surface treatment process comprises the steps of connecting and pickling the cone and the part to be welded of the pipe system, and then carrying out surface nickel plating treatment;

the welding process comprises the steps of welding and connecting the bent pipe and the cone, and then carrying out endoscopic and flaw detection on the welding part;

the test process comprises the steps of performing a piping leakage prevention and pressure resistance test on the whole welded elbow and cone by using a test device;

the cleaning process comprises cleaning a product;

the inspection process includes an overall inspection of the entire product, thereby completing the entire product processing.

2. The process of claim 1 wherein the at least one cutting element comprises at least one cutting element selected from the group consisting of: the welding process adopts vacuum brazing, and after the welding is finished, the flame is turned off, and then the gas is kept for a certain time.

3. The process of claim 2 wherein the forward cone and tube system is produced by: the vacuum brazing is carried out in a vacuum furnace, a front cone and a pipe system are assembled, brazing filler metal is placed at a welding position and placed in the vacuum furnace, the vacuum furnace is vacuumized firstly, the brazing filler metal is heated to the temperature required by brazing and is kept for 3-5 seconds, argon is filled for cooling, and flame is not used.

4. The process of claim 1 wherein the forward cone and tube system is prepared by: the test process ensures that the bevel additional stress of the nose cone is not greater than 700N.

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