阅读说明：本技术 一种钛合金芯棒穿孔方法 (Titanium alloy core rod perforation method ) 是由 李建兴 于 2020-11-09 设计创作，主要内容包括：本发明公开了一种钛合金芯棒穿孔方法,包括以下步骤：S1、对钛合金芯棒进行热处理,处理时间为10min～15min；S2、采用斜轧穿孔机的定心结构将钛合金芯棒定位,将斜轧穿孔机的轧辊转速设置为40r/min～70r/min,前进角设置为10°～15°,温度设置为800℃～900℃；S3、将钛合金芯棒移送至斜轧穿孔机的导料槽内,由斜轧穿孔机的穿孔头对钛合金芯棒进行穿孔操作。本发明能够对钛合金芯棒进行穿孔操作,无需采用车床进行加工,大大提高了加工精度,保证了钛合金芯棒的精准穿孔,确保钛合金芯棒的技术质量指标完全得到满足且稳定可靠。(The invention discloses a titanium alloy core rod perforating method, which comprises the following steps: s1, carrying out heat treatment on the titanium alloy core rod for 10-15 min; s2, positioning the titanium alloy core rod by adopting a centering structure of the cross rolling piercing mill, setting the rotating speed of a roller of the cross rolling piercing mill to be 40 r/min-70 r/min, setting the advancing angle to be 10-15 degrees and setting the temperature to be 800-900 ℃; and S3, transferring the titanium alloy core rod into a guide chute of the cross rolling puncher, and punching the titanium alloy core rod by a punching head of the cross rolling puncher. The method can be used for perforating the titanium alloy core rod without adopting a lathe, greatly improves the machining precision, ensures the precise perforation of the titanium alloy core rod, and ensures that the technical quality index of the titanium alloy core rod is completely met, stable and reliable.)

1. A titanium alloy core rod perforation method is characterized by comprising the following steps:

s1, carrying out heat treatment on the titanium alloy core rod for 10-15 min;

s2, positioning the titanium alloy core rod by adopting a centering structure of the cross rolling piercing mill, setting the rotating speed of a roller of the cross rolling piercing mill to be 40 r/min-70 r/min, setting the advancing angle to be 10-15 degrees and setting the temperature to be 800-900 ℃;

and S3, transferring the titanium alloy core rod into a guide chute of the cross rolling puncher, and punching the titanium alloy core rod by a punching head of the cross rolling puncher.

2. The method of claim 1, wherein the heat treatment temperature in step S1 is in the range of 800 ℃ to 850 ℃.

3. The titanium alloy core rod piercing method according to claim 1, wherein the titanium alloy core rod has an outer diameter of 20mm to 25mm and an inner diameter of 3mm to 6.5 mm.

4. The method of claim 1, wherein the titanium alloy core rod has a length of 350mm to 400 mm.

5. The method of claim 1, wherein the piercing operation is performed at a temperature of 800 ℃ to 900 ℃ in step S3.

6. The method as claimed in claim 1, wherein the titanium alloy core rod is a titanium alloy core rod meeting the requirements of GB/T13810-2017 standard.

Technical Field

The invention belongs to the technical field of titanium alloy material processing, and particularly relates to a titanium alloy core rod perforation method.

Background

The titanium alloy has low density, low modulus, biocompatibility, excellent corrosion resistance, high specific strength, high toughness and high fatigue performance, and is a key structural material in the fields of aerospace and medical treatment. With the rapid development and technical progress in the aerospace and orthopedic medical fields, the requirements on raw materials are higher and higher, and particularly, a large amount of high-performance titanium alloy materials are applied to be used as materials for fasteners.

At present, the punching operation of the titanium alloy core rod is generally carried out by adopting a lathe machining mode, the precision of the machining mode is low, the precise punching of the titanium alloy core rod cannot be met, and further the technical quality index of the titanium alloy core rod cannot be completely met, and the titanium alloy core rod is stable and reliable.

Disclosure of Invention

The invention overcomes the defects of the prior art and provides a titanium alloy core rod perforation method to solve the problems in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: a titanium alloy core rod perforating method comprises the following steps:

s1, carrying out heat treatment on the titanium alloy core rod for 10-15 min;

s2, positioning the titanium alloy core rod by adopting a centering structure of the cross rolling piercing mill, setting the rotating speed of a roller of the cross rolling piercing mill to be 40 r/min-70 r/min, setting the advancing angle to be 10-15 degrees and setting the temperature to be 800-900 ℃;

and S3, transferring the titanium alloy core rod into a guide chute of the cross rolling puncher, and punching the titanium alloy core rod by a punching head of the cross rolling puncher.

In a preferred embodiment of the present invention, in step S1, the temperature range of the heat treatment is 800-850 ℃.

In a preferred embodiment of the invention, the titanium alloy core rod has an outer diameter of 20mm to 25mm and an inner diameter of 3mm to 6.5 mm.

In a preferred embodiment of the invention, the length of the titanium alloy core rod is 350 mm-400 mm.

In a preferred embodiment of the present invention, in step S3, the temperature is 800-900 ℃ during the punching operation.

In a preferred embodiment of the present invention, the titanium alloy core rod is a titanium alloy core rod meeting the requirements of the GB/T13810-2017 standard.

The invention solves the defects in the background technology, and has the following beneficial effects:

the method can be used for perforating the titanium alloy core rod without adopting a lathe, greatly improves the machining precision, ensures the precise perforation of the titanium alloy core rod, and ensures that the technical quality index of the titanium alloy core rod is completely met, stable and reliable.

Detailed Description

The present invention will now be described in further detail with reference to examples.

Example one

A titanium alloy core rod perforating method comprises the following steps:

s1, carrying out heat treatment on the titanium alloy core rod for 10 min;

s2, positioning the titanium alloy core rod by adopting a centering structure of the cross rolling piercing mill, setting the rotating speed of a roller of the cross rolling piercing mill to be 40r/min, setting the advancing angle to be 10 degrees and setting the temperature to be 800 ℃;

and S3, transferring the titanium alloy core rod into a guide chute of the cross rolling puncher, and punching the titanium alloy core rod by a punching head of the cross rolling puncher.

In this example, the titanium alloy core rod was subjected to heat treatment and then placed in a cross piercing mill to perform piercing.

Specifically, in step S1, the temperature range of the heat treatment is 800 ℃.

In this example, the titanium alloy core rod had an outer diameter of 20mm and an inner diameter of 3 mm.

In this embodiment, the length of the titanium alloy core rod is 350 mm.

Further, in step S3, the temperature was 800 ℃ when the piercing operation was performed.

In this embodiment, the titanium alloy core rod is a titanium alloy core rod meeting the requirements of GB/T13810-2017 standard.

Example two

A titanium alloy core rod perforating method comprises the following steps:

s1, carrying out heat treatment on the titanium alloy core rod for 12 min;

s2, positioning the titanium alloy core rod by adopting a centering structure of the cross rolling piercing mill, setting the rotating speed of a roller of the cross rolling piercing mill to be 50r/min, setting the advancing angle to be 13 degrees and setting the temperature to be 850 ℃;

and S3, transferring the titanium alloy core rod into a guide chute of the cross rolling puncher, and punching the titanium alloy core rod by a punching head of the cross rolling puncher.

In this example, the titanium alloy core rod was subjected to heat treatment and then placed in a cross piercing mill to perform piercing.

Further, in step S1, the temperature range of the heat treatment is 830 ℃.

Specifically, the outer diameter of the titanium alloy core rod is 22mm, and the inner diameter of the titanium alloy core rod is 5 mm.

In this embodiment, the length of the titanium alloy core rod is 380 mm.

Further, in step S3, the temperature was 850 ℃.

Specifically, the titanium alloy core rod is a titanium alloy core rod meeting the requirements of GB/T13810-2017 standard.

EXAMPLE III

A titanium alloy core rod perforating method comprises the following steps:

s1, carrying out heat treatment on the titanium alloy core rod for 15 min;

s2, positioning the titanium alloy core rod by adopting a centering structure of the cross rolling piercing mill, setting the rotating speed of a roller of the cross rolling piercing mill to be 70r/min, setting the advancing angle to be 15 degrees and setting the temperature to be 900 ℃;

and S3, transferring the titanium alloy core rod into a guide chute of the cross rolling puncher, and punching the titanium alloy core rod by a punching head of the cross rolling puncher.

In this example, the titanium alloy core rod was subjected to heat treatment and then placed in a cross piercing mill to perform piercing.

Further, in step S1, the temperature range of the heat treatment is 850 ℃.

Specifically, the outer diameter of the titanium alloy core rod is 25mm, and the inner diameter of the titanium alloy core rod is 6.5 mm.

In this embodiment, the length of the titanium alloy core rod is 400 mm.

Further, in step S3, the temperature is 900 ℃ when the piercing operation is performed.

Specifically, the titanium alloy core rod is a titanium alloy core rod meeting the requirements of GB/T13810-2017 standard.

In summary, the invention can perform piercing operation on the titanium alloy core rod without using a lathe for processing, thereby greatly improving the processing precision, ensuring accurate piercing of the titanium alloy core rod, and ensuring that the technical quality index of the titanium alloy core rod is completely satisfied and is stable and reliable.

In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.