Production and processing technology of high-precision inner wall reducer pipe

Abstract

The invention relates to the technical field of reducer pipe manufacturing, in particular to a production and machining process of a high-precision inner wall reducer pipe. The process comprises the following steps: selecting a stainless steel pipe made of a stainless steel material; temperature-controlled forming is conducted, specifically, the stainless steel pipe is put into a forming mold to be subjected to temperature-controlled treatment, after the temperature reaches the specific temperature, the temperature is kept unchanged, and meanwhile rotary stretching treatment and compression reducing treatment are conducted on the stainless steel pipe; roughing and wrinkle removing are conducted, specifically, after the stainless steel pipe is preliminarily formed, the formed stainless steel pipe is clamped and positioned, and the inner wall of the clamped and positioned stainless steel pipe is subjected to roughing and wrinkle removing treatment through diamond powder; and polishing is conducted, specifically, grinding and polishing powder is adopted for conducting high-finish-degree polishing treatment on the stainless steel pipe subjected to roughing and wrinkle removing. By means of the process, the high-precision, high-finish-degree and high-strength reducer pipe can be produced, the problem that the reducer pipe is wrinkled can be effectively solved, and when the process is applied to production of the medical reducer pipe, the production qualification rate of the medical needle pipe can be increased.

Description

technical field [0001] The invention relates to the technical field of variable diameter tube manufacturing, in particular to a production and processing process of a high-precision inner wall variable diameter tube. Background technique [0002] The variable diameter pipe refers to the pipe with different diameters, or the pipe section whose diameter gradually becomes smaller in the direction of extension. Because the flow rate and flow control of the variable diameter pipe during the use of the liquid will be very unfavorable to the head of the pump body, so it needs to be reduced. Pipe diameter, in order to reduce the flow rate, smaller flow rate can improve the water absorption performance of the pump body. [0003] In the capillary section of the medical device category, for the production of variable diameter tubes, extruders are usually used for extrusion, traction and stretching, and the precision of the produced variable diameter tubes is not high. The traditional p...

AI Technical Summary

Problems solved by technology

[0004] The invention provides a production and processing process of a high-precision inner-wall variable-diameter tube, which is used to solve the problems in the prior art that the production precision of the variable-diameter tube is not high and is prone to wrinkles

Images