CN110682056B - Method for processing bolt fillet - Google Patents
Method for processing bolt fillet Download PDFInfo
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- CN110682056B CN110682056B CN201910897036.7A CN201910897036A CN110682056B CN 110682056 B CN110682056 B CN 110682056B CN 201910897036 A CN201910897036 A CN 201910897036A CN 110682056 B CN110682056 B CN 110682056B
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- bolt
- fillet
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- cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a method for processing a bolt fillet, which comprises the following specific steps: cleaning the surface of the bolt by using a steel wire, and selecting a proper round-head turning tool to be installed on a lathe; after the bolt is fixed, uniformly coating a layer of solvent on a position to be processed, immediately starting a lathe after coating, and starting to process a fillet; sequentially carrying out polishing, pickling and activating treatment on the dried bolt, and naturally drying after cleaning; and (4) putting the bolt into an electroplating reagent solution, and performing electroplating treatment to finish bolt processing. The invention can prevent the turning tool from being worn and adhered with chips, reduce the grinding force and the frictional heat and improve the surface quality of the round corner of the bolt.
Description
Technical Field
The invention belongs to the technical field of bolts, and particularly relates to a method for machining a bolt fillet.
Background
With the rapid development of modern industry, the requirements of various fields on high-strength bolts are higher and higher, and the technical requirements on special bolts are higher particularly for important projects such as large airplanes in the fields of aviation and aerospace. At present, most of machining processes for bolt fillets are directly cut by using turning tools, and the problems of serious turning tool abrasion and overhigh temperature of machined parts exist in the processes.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a method for processing a bolt fillet, which can prevent a turning tool from being worn and adhered with chips, reduce grinding force and friction heat and improve the surface quality of the bolt fillet.
In order to achieve the above object, the present invention adopts the following technical solutions:
the processing method of the bolt fillet comprises the following specific steps:
s1, cleaning the surface of the bolt by using a steel wire, cleaning by using clean water, and drying for later use;
s2, calculating the residual grinding allowance of the excircle, and selecting a proper round-head turning tool to be mounted on a lathe according to the size of the fillet;
s3, after the bolt is fixed, uniformly coating a layer of solvent on the position to be processed, starting a lathe immediately after coating, starting to process a fillet, and after the fillet is processed, cleaning with clear water and drying;
s4, sequentially carrying out polishing and acid pickling activation treatment on the dried bolt, washing the bolt for 2-4 times by using clear water, and naturally drying the bolt after washing;
and S5, putting the bolt into the electroplating reagent solution, and performing electroplating treatment to finish the bolt processing.
Preferably, in the steps S1 and S3, the temperature of the clean water is 45-50 ℃, and the number of cleaning times is 2-3.
Preferably, in the steps S1 and S3, the drying temperature is 80-95 ℃ and the drying time is 1.2-1.8 h.
More preferably, in the foregoing step S3, the solvent includes the following components in parts by weight: 28-36 parts of triethanolamine, 25-29 parts of alcohol ether phosphate, 17-21 parts of glycerol, 12-15 parts of n-dodecane, 8-11 parts of methyl cellulose, 5-7 parts of carbon tetrachloride and 4-8 parts of sodium alkyl benzene sulfonate.
More preferably, in the step S3, the solvent temperature is 45 to 55 ℃.
Specifically, in step S4, the acid washing activation time is 15 to 20min, and the acid washing activation times is 2 to 3.
Preferably, in step S4, the acid solution used in the acid washing activation treatment is sulfuric acid or hydrochloric acid with a concentration of 20-23%.
Preferably, in the step S5, the electroplating time is 2-2.5 h, the temperature of the electroplating reagent solution is 85-95 ℃, and the pH of the electroplating reagent solution is 5.6-6.2.
The invention has the advantages that: the processing method of the bolt fillet is simple to operate, the coated solvent can reduce the surface temperature of the friction part between the turning tool and the bolt and the turning tool abrasion, the solvent permeates into the space between the turning tool and the bolt to form a lubricating film, so that the friction between interfaces is reduced, the turning tool is prevented from being abraded and adhered with cuttings, the grinding force and the frictional heat are reduced, and the surface quality of the fillet of the bolt is improved; the synergy between the n-dodecane and the methyl cellulose in the solvent can improve the lubricity of the solvent; the electroplating effect is good, the processing efficiency is high, the surface of the bolt can be fully and effectively treated and optimized, and the quality of the bolt product is improved.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
Example 1
The processing method of the bolt fillet comprises the following specific steps:
s1, cleaning the surface of the bolt by using a steel wire, cleaning by using clean water, and drying for later use, wherein the temperature of the clean water is 45 ℃, the cleaning frequency is 2 times, the drying temperature is 80 ℃, and the drying time is 1.2 hours;
s2, calculating the residual grinding allowance of the excircle, and selecting a proper round-head turning tool to be mounted on a lathe according to the size of the fillet;
s3, after the bolt is fixed, uniformly coating a layer of solvent on the position to be processed, starting a lathe immediately after coating, starting to process a fillet, and after the fillet is processed, cleaning and drying the fillet by using clean water, wherein the temperature of the clean water is 45 ℃, the cleaning frequency is 2 times, the drying temperature is 80 ℃, and the drying time is 1.2 h; the temperature of the solvent is 45-55 ℃, and the solvent comprises the following components in parts by weight: 28 parts of triethanolamine, 25 parts of alcohol ether phosphate, 17 parts of glycerol, 12 parts of n-dodecane, 8 parts of methyl cellulose, 5 parts of carbon tetrachloride and 4 parts of sodium alkyl benzene sulfonate;
s4, sequentially carrying out polishing and acid pickling activation treatment on the dried bolt, wherein the acid pickling activation time is 15min, the acid pickling activation times are 2 times, the acid solution is washed for 2 times by using 20% sulfuric acid or hydrochloric acid, and the bolt is naturally dried after being cleaned;
and S5, putting the bolt into an electroplating reagent solution, and carrying out electroplating treatment for 2 hours at the solution temperature of 85 ℃ and the solution pH of 5.6 to finish bolt processing.
Example 2
The processing method of the bolt fillet comprises the following specific steps:
s1, cleaning the surface of the bolt by using a steel wire, cleaning by using clean water, and drying for later use, wherein the temperature of the clean water is 48 ℃, the cleaning frequency is 2 times, the drying temperature is 90 ℃, and the drying time is 1.5 h;
s2, calculating the residual grinding allowance of the excircle, and selecting a proper round-head turning tool to be mounted on a lathe according to the size of the fillet;
s3, after the bolt is fixed, uniformly coating a layer of solvent on the position to be processed, starting a lathe immediately after coating, starting to process a fillet, and after the fillet is processed, cleaning and drying the fillet by using clear water, wherein the temperature of the clear water is 48 ℃, the cleaning frequency is 3 times, the drying temperature is 90 ℃, and the drying time is 1.5 h; the temperature of the solvent is 50 ℃, and the solvent comprises the following components in parts by weight: 32 parts of triethanolamine, 27 parts of alcohol ether phosphate, 19 parts of glycerol, 14 parts of n-dodecane, 10 parts of methyl cellulose, 6 parts of carbon tetrachloride and 6 parts of sodium alkyl benzene sulfonate;
s4, sequentially carrying out polishing and acid pickling activation treatment on the dried bolt, wherein the acid pickling activation time is 18min, the acid pickling activation times are 2 times, the acid solution is 22% sulfuric acid or hydrochloric acid, then the acid solution is washed by clean water for 3 times, and the bolt is naturally dried after being cleaned;
and S5, putting the bolt into an electroplating reagent solution, and carrying out electroplating treatment for 2.3 hours at the solution temperature of 90 ℃ and the solution pH of 6 to finish bolt processing.
Example 3
The processing method of the bolt fillet comprises the following specific steps:
s1, cleaning the surface of the bolt by using a steel wire, cleaning by using clean water, and drying for later use, wherein the temperature of the clean water is 50 ℃, the cleaning frequency is 3 times, the drying temperature is 95 ℃, and the drying time is 1.8 hours;
s2, calculating the residual grinding allowance of the excircle, and selecting a proper round-head turning tool to be mounted on a lathe according to the size of the fillet;
s3, after the bolt is fixed, uniformly coating a layer of solvent on the position to be processed, starting a lathe immediately after coating, starting to process a fillet, and after the fillet is processed, cleaning and drying the fillet by using clear water, wherein the temperature of the clear water is 50 ℃, the cleaning frequency is 3 times, the drying temperature is 95 ℃, and the drying time is 1.8 h; the temperature of the solvent is 55 ℃, and the solvent comprises the following components in parts by weight: 36 parts of triethanolamine, 29 parts of alcohol ether phosphate, 21 parts of glycerol, 15 parts of n-dodecane, 11 parts of methyl cellulose, 7 parts of carbon tetrachloride and 8 parts of sodium alkyl benzene sulfonate;
s4, sequentially carrying out polishing and acid pickling activation treatment on the dried bolt, wherein the acid pickling activation time is 20min, the acid pickling activation times are 3 times, the acid solution is washed for 4 times by 23% sulfuric acid or hydrochloric acid, and the bolt is naturally dried after being cleaned;
and S5, putting the bolt into the electroplating reagent solution, and carrying out electroplating treatment for 2.5 hours at the solution temperature of 95 ℃ and the solution pH of 6.2 to finish bolt processing.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (7)
1. The processing method of the bolt fillet is characterized by comprising the following specific steps:
s1, cleaning the surface of the bolt by using a steel wire, cleaning by using clean water, and drying for later use;
s2, calculating the residual grinding allowance of the excircle, and selecting a proper round-head turning tool to be mounted on a lathe according to the size of the fillet;
s3, after the bolt is fixed, uniformly coating a layer of solvent on the position to be processed, wherein the solvent comprises the following components in parts by weight: 28-36 parts of triethanolamine, 25-29 parts of alcohol ether phosphate, 17-21 parts of glycerol, 12-15 parts of n-dodecane, 8-11 parts of methyl cellulose, 5-7 parts of carbon tetrachloride and 4-8 parts of sodium alkyl benzene sulfonate; starting a lathe immediately after coating, starting to process a fillet, and cleaning and drying the fillet by using clear water after finishing processing the fillet;
s4, sequentially carrying out polishing and acid pickling activation treatment on the dried bolt, washing the bolt for 2-4 times by using clear water, and naturally drying the bolt after washing;
and S5, putting the bolt into the electroplating reagent solution, and performing electroplating treatment to finish the bolt processing.
2. The method for processing the bolt fillet as claimed in claim 1, wherein the temperature of the clean water is 45-50 ℃ and the number of cleaning is 2-3 in the steps S1 and S3.
3. The method for processing the bolt fillet as claimed in claim 1, wherein the drying temperature is 80-95 ℃ and the drying time is 1.2-1.8 h in the steps S1 and S3.
4. The bolt fillet processing method as claimed in claim 1, wherein the solvent temperature in step S3 is 45-55 ℃.
5. The method for processing the bolt fillet as set forth in claim 1, wherein the acid washing activation time is 15 to 20min and the acid washing activation frequency is 2 to 3 times in step S4.
6. The bolt fillet processing method as claimed in claim 1, wherein in step S4, the acid solution used in the acid washing activation process is sulfuric acid or hydrochloric acid with a concentration of 20-23%.
7. The method for processing the bolt fillet as recited in claim 1, wherein in the step S5, the electroplating treatment time is 2 to 2.5 hours, the temperature of the electroplating reagent solution is 85 to 95 ℃, and the pH of the electroplating reagent solution is 5.6 to 6.2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910897036.7A CN110682056B (en) | 2019-09-23 | 2019-09-23 | Method for processing bolt fillet |
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| CN201910897036.7A CN110682056B (en) | 2019-09-23 | 2019-09-23 | Method for processing bolt fillet |
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| CN110682056A CN110682056A (en) | 2020-01-14 |
| CN110682056B true CN110682056B (en) | 2021-11-12 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886650A (en) * | 2012-10-11 | 2013-01-23 | 常熟天地煤机装备有限公司 | Gear shaft shoulder fillet machining process |
| CN104017636A (en) * | 2014-06-06 | 2014-09-03 | 清华大学 | Water soluble full-alloy metal grinding fluid |
| CN104845727A (en) * | 2015-03-02 | 2015-08-19 | 上海世超化工科技有限公司 | Water -soluble abrasion-resistant and rust-proof composition and preparation method therefor |
| CN106498462A (en) * | 2016-12-14 | 2017-03-15 | 珠海市椿田机械科技有限公司 | A kind of electroplating technology |
| CN109295485A (en) * | 2018-09-28 | 2019-02-01 | 江苏永昊高强度螺栓有限公司 | A kind of electroplating technology of high-strength bolt |
| CN109321824A (en) * | 2018-10-18 | 2019-02-12 | 江苏振光电力设备制造有限公司 | A kind of iron tower of power transmission line weathering steel bolt and its processing method |
-
2019
- 2019-09-23 CN CN201910897036.7A patent/CN110682056B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886650A (en) * | 2012-10-11 | 2013-01-23 | 常熟天地煤机装备有限公司 | Gear shaft shoulder fillet machining process |
| CN104017636A (en) * | 2014-06-06 | 2014-09-03 | 清华大学 | Water soluble full-alloy metal grinding fluid |
| CN104845727A (en) * | 2015-03-02 | 2015-08-19 | 上海世超化工科技有限公司 | Water -soluble abrasion-resistant and rust-proof composition and preparation method therefor |
| CN106498462A (en) * | 2016-12-14 | 2017-03-15 | 珠海市椿田机械科技有限公司 | A kind of electroplating technology |
| CN109295485A (en) * | 2018-09-28 | 2019-02-01 | 江苏永昊高强度螺栓有限公司 | A kind of electroplating technology of high-strength bolt |
| CN109321824A (en) * | 2018-10-18 | 2019-02-12 | 江苏振光电力设备制造有限公司 | A kind of iron tower of power transmission line weathering steel bolt and its processing method |
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| CN110682056A (en) | 2020-01-14 |
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