CN109623528B - Online grinding method applied to titanium alloy strip - Google Patents
Online grinding method applied to titanium alloy strip Download PDFInfo
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- CN109623528B CN109623528B CN201811448437.6A CN201811448437A CN109623528B CN 109623528 B CN109623528 B CN 109623528B CN 201811448437 A CN201811448437 A CN 201811448437A CN 109623528 B CN109623528 B CN 109623528B
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- titanium alloy
- alloy strip
- grinding
- defect
- method applied
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/12—Single-purpose machines or devices for grinding travelling elongated stock, e.g. strip-shaped work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
Abstract
The invention provides an on-line grinding method applied to a titanium alloy strip material, which comprises the following processing steps: 1) carrying out unreeling treatment on the titanium alloy strip coil; 2) primary grinding treatment: detecting the surface defects of the titanium alloy strip through a vision system, starting a grinding machine to grind when detecting defect pits with the depth of more than or equal to 0.2mm, controlling the grinding time to be 2-5 seconds per defect pit, and carrying out the next processing treatment on the firstly ground titanium alloy strip; 3) secondary grinding treatment: and detecting the surface defects of the processed titanium alloy strip through a vision system, starting the thousand-blade wheel to grind when defect pits with the depth less than 0.2mm are detected, and controlling the grinding time to be 1-3 seconds for each defect pit. Compared with the prior art, the method can effectively improve the processing efficiency and the processing precision of the titanium alloy strip.
Description
Technical Field
The invention relates to a titanium alloy grinding method, in particular to an online grinding method applied to a titanium alloy strip.
Background
At present, various alloy products on the market are quite wide, titanium alloy products, nickel-based alloy products and the like are common, the alloy products can be made into various shapes according to the use requirements, such as L-shaped bent materials, round tubular materials and the like, and for the round tubular materials, the alloy products are mainly applied to various products such as air-conditioning refrigeration, mechanical equipment and the like.
The circular tube material of the titanium alloy product is mainly formed by winding and forming a strip material of the titanium alloy product and then processing the strip material, and multiple processes such as rolling, annealing and the like are needed in the forming processing of the strip material of the titanium alloy product, so that pits are inevitably left on the surface of the strip material of the titanium alloy in the processing process, the traditional defect detection and the traditional polishing are manually completed, and the processing efficiency and the processing precision have certain problems.
Disclosure of Invention
In view of the above, the invention provides an online grinding method applied to titanium alloy strip materials, which can effectively improve the processing efficiency and the processing precision.
Therefore, the invention provides an online grinding method applied to a titanium alloy strip, which comprises the following processing steps:
1) placing a titanium alloy strip material roll on a feeding frame, and starting a winding device to perform unwinding treatment on the titanium alloy strip material;
2) primary grinding treatment: detecting the surface defects of the titanium alloy strip through a vision system, starting a grinding machine to grind when detecting defect pits with the depth of more than or equal to 0.2mm, controlling the grinding time to be 2-5 seconds per defect pit, and carrying out the next processing treatment on the firstly ground titanium alloy strip;
3) secondary grinding treatment: and detecting the surface defects of the processed titanium alloy strip through a vision system, starting the thousand-blade wheel to grind when defect pits with the depth less than 0.2mm are detected, and controlling the grinding time to be 1-3 seconds for each defect pit.
Further, a diamond grinding head is mounted on the sharpening machine for sharpening.
Further, the vane wheel is ground through the louver blades.
Further, in the step 2), the thinning time is controlled to be 2-4 seconds per defective pit.
Further, in the step 2), the thinning time is controlled to be 2-3 seconds per defective pit.
Further, in the step 3), the thinning time is controlled to be 1-2 seconds per defective pit.
Further, in the step 3), the thinning time is controlled to be 1.5 seconds per defective pit.
Further, in the step 2), the vision system scans the titanium alloy strip in blocks, scans the titanium alloy strip once per meter along the length direction, and takes a linear shooting of the joint of two adjacent scanning areas, if the joint has a defect, a photo formed by the linear shooting generates a joint instruction for a processing unit of the vision system, and at this time, the processing unit automatically synthesizes two adjacent scanning areas into one scanning area, and automatically expands the scanning area, and at this time, unified defect scanning and identification are performed.
Further, in the step 3), the vision system scans the titanium alloy strip in blocks, scans the titanium alloy strip once per meter along the length direction, and takes a linear shooting of the joint of two adjacent scanning areas, if the joint has a defect, a photo formed by the linear shooting generates a joint instruction for a processing unit of the vision system, and at this time, the processing unit automatically synthesizes two adjacent scanning areas into one scanning area, and automatically expands the scanning area, and at this time, unified defect scanning and identification are performed.
Compared with the prior art, the online grinding method for the titanium alloy strip material provided by the invention has the following advantages: the visual system is utilized to improve the detection speed of the surface defects of the titanium alloy strip, and the grinding precision is improved by utilizing the two-pass grinding of the grinding machine and the thousand-blade wheel, so that the processing efficiency and the processing precision of the titanium alloy strip can be effectively improved compared with the prior art.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below. While exemplary embodiments of the present disclosure have been shown, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Examples one to three:
the embodiment of the invention provides an online grinding method applied to a titanium alloy strip, which comprises the following processing steps:
1) placing a titanium alloy strip material roll on a feeding frame, and starting a winding device to perform unwinding treatment on the titanium alloy strip material;
2) primary grinding treatment: detecting surface defects of the titanium alloy strip through a vision system, starting a diamond grinding head of a grinding machine to grind when defect pits with the depth of more than or equal to 0.2mm are detected, controlling the grinding time to be 2-5 seconds for each defect pit, and carrying out next processing on the firstly ground titanium alloy strip;
3) secondary grinding treatment: and detecting the surface defects of the processed titanium alloy strip through a vision system, starting the louver blades of the thousand-impeller to grind when the defect pits with the depth less than 0.2mm are detected, and controlling the grinding time to be 1-3 seconds for each defect pit.
The specific setting of the grinding time of the two grinding and the related experimental data are as follows (the length of the adopted titanium alloy strip is 100 meters):
from the above comparison, it can be seen that examples 1 to 3 are improved in both the index of thinning accuracy and hardness as compared with the comparative example (prior art).
Therefore, compared with the prior art, the online coping method applied to the titanium alloy strip provided by the embodiment can effectively improve the processing efficiency and the processing precision of the titanium alloy strip.
Example four:
on the basis of the above embodiment, the present embodiment further makes the following technical solutions as improvements: in the step 2), the vision system scans the titanium alloy strip in blocks, scans the titanium alloy strip once every meter along the length direction, and takes linear shooting at the joint of two adjacent scanning areas, if the joint has a defect, a picture formed by linear shooting generates a joint instruction for a processing unit of the vision system, and at the moment, the processing unit automatically synthesizes the two adjacent scanning areas into one scanning area, automatically expands the scanning area, and at the moment, performs uniform defect scanning and identification operation;
in the step 3), the vision system scans the titanium alloy strip in blocks, scans the titanium alloy strip once every meter along the length direction, and takes a linear shooting at the joint of two adjacent scanning areas, if the joint has a defect, a photo formed by the linear shooting generates a joint instruction for a processing unit of the vision system, and at the moment, the processing unit automatically synthesizes the two adjacent scanning areas into one scanning area, so as to automatically expand the scanning area, and at the moment, uniform defect scanning and identification operation is carried out.
Through the improvement to the traditional vision system, the problem of monitoring and scanning blind areas of the traditional vision system to the traditional vision system can be solved by utilizing the rapid processing of the abutted seams, and the detection precision of the surface defects of the titanium alloy strip is further improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The on-line grinding method applied to the titanium alloy strip is characterized by comprising the following processing steps of:
1) placing a titanium alloy strip material roll on a feeding frame, and starting a winding device to perform unwinding treatment on the titanium alloy strip material;
2) primary grinding treatment: detecting the surface defects of the titanium alloy strip through a vision system, starting a grinding machine to grind when detecting defect pits with the depth of more than or equal to 0.2mm, controlling the grinding time to be 2-5 seconds per defect pit, and carrying out the next processing treatment on the firstly ground titanium alloy strip;
3) secondary grinding treatment: detecting the surface defects of the processed titanium alloy strip through a vision system, starting a flap wheel to grind when a defect pit with the depth less than 0.2mm is detected, and controlling the grinding time to be 1-3 seconds for each defect pit;
in the step 2), the visual system scans the titanium alloy strip in blocks, scans the titanium alloy strip once every meter along the length direction, and takes linear shooting at the joint of two adjacent scanning areas, if the joint has a defect, a picture formed by linear shooting generates a joint instruction for a processing unit of the visual system, and at the moment, the processing unit automatically synthesizes the two adjacent scanning areas into one scanning area, automatically expands the scanning area, and at the moment, performs uniform defect scanning and identification operation;
in the step 3), the vision system scans the titanium alloy strip in blocks, scans the titanium alloy strip once every meter along the length direction, and takes linear shooting at the joint of two adjacent scanning areas, if the joint has a defect, a picture formed by linear shooting generates a joint instruction for a processing unit of the vision system, and at the moment, the processing unit automatically synthesizes two adjacent scanning areas into one scanning area, automatically expands the scanning area, and at the moment, performs uniform defect scanning and identification operation.
2. The on-line grinding method applied to the titanium alloy strip according to claim 1, wherein a diamond grinding head is mounted on the grinding machine for grinding.
3. The on-line grinding method for the titanium alloy strip according to claim 1, wherein the thousand impellers are ground by a louver blade.
4. An on-line grinding method applied to a titanium alloy strip according to claim 1 or 2, wherein in the step 2), the grinding time is controlled to be 2-4 seconds per defect pit.
5. An on-line grinding method applied to a titanium alloy strip according to claim 1 or 2, wherein in the step 2), the grinding time is controlled to be 2-3 seconds per defect pit.
6. The on-line grinding method applied to the titanium alloy strip according to the claim 1 or 3, characterized in that in the step 3), the grinding time is controlled to be 1-2 seconds per defect pit.
7. An on-line grinding method applied to a titanium alloy strip according to claim 1 or 3, wherein in the step 3), the grinding time is controlled to be 1.5 seconds per defect pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811448437.6A CN109623528B (en) | 2018-11-29 | 2018-11-29 | Online grinding method applied to titanium alloy strip |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811448437.6A CN109623528B (en) | 2018-11-29 | 2018-11-29 | Online grinding method applied to titanium alloy strip |
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| CN109623528A CN109623528A (en) | 2019-04-16 |
| CN109623528B true CN109623528B (en) | 2021-02-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100074515A1 (en) * | 2008-02-05 | 2010-03-25 | Kla-Tencor Corporation | Defect Detection and Response |
| CN102451862B (en) * | 2010-12-06 | 2015-06-10 | 沈阳瀚瑞达钛业有限公司 | Preparation technology of TC17 titanium alloy wire |
| CN107199719B (en) * | 2017-07-19 | 2019-04-30 | 辽宁工程技术大学 | A kind of online prosthetic device and method for steel cable core conveying belt abrasion |
| CN107389688B (en) * | 2017-07-21 | 2020-05-12 | 中国工程物理研究院激光聚变研究中心 | Multi-station integrated repairing method for micro-defects on surface of large-caliber fused quartz optical element |
| CN108262359B (en) * | 2018-03-20 | 2019-10-25 | 洛阳双瑞精铸钛业有限公司 | A kind of process improving cold rolling titanium strip coil surface quality |
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