CN109014787A - A kind of processing technology of nut - Google Patents
A kind of processing technology of nut Download PDFInfo
- Publication number
- CN109014787A CN109014787A CN201811001840.4A CN201811001840A CN109014787A CN 109014787 A CN109014787 A CN 109014787A CN 201811001840 A CN201811001840 A CN 201811001840A CN 109014787 A CN109014787 A CN 109014787A
- Authority
- CN
- China
- Prior art keywords
- nut body
- processing
- nut
- former material
- detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005516 engineering process Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000000137 annealing Methods 0.000 claims abstract description 6
- 238000005496 tempering Methods 0.000 claims abstract description 6
- 238000000227 grinding Methods 0.000 claims abstract description 5
- 238000005553 drilling Methods 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000001186 cumulative effect Effects 0.000 abstract description 3
- 238000010791 quenching Methods 0.000 abstract description 3
- 230000000171 quenching effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G9/00—Working screws, bolt heads, or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw-thread
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G9/00—Working screws, bolt heads, or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw-thread
- B23G9/005—Working nuts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The present invention relates to a kind of processing technologys of nut, successively the following steps are included: former material detection, cold upset forming, heat treatment, internal screw thread detection, machine tooling, outer dimension detection, grinding process, Surface heat-treatent and cooling；Advantages of the present invention: being -2~2mm due to defining that former material needs to meet Concentricity tolerance in step 1, deviation on former material length direction is not more than 1/1000, it can be reduced cumulative errors, further improve the quality of the nut body of subsequent preparation, annealing can reduce the hardness on surface, be conducive to the processing of cold headers, further increase processing efficiency, pass through the setting of centre of location point in step 3, the processing quality of through-hole can be improved, it misplaces when through-hole being avoided to process, improve the processing efficiency of through-hole, preheating, quenching and tempering can improve the intensity of nut body, be conducive to the processing of internal screw thread.
Description
Technical field
The present invention relates to a kind of processing technologys of nut.
Background technique
Nut is a kind of part being threaded together for playing the role of fastening with bolt or screw rod, its purposes be with stud,
Bolt is threadedly coupled, and is usually used in various precision components, cabinet, cabinet, automobile component, the processing technology of existing nut is such as
Under: 1. nut body shapings are shaped blank upsetting with cold headers, are generally needed continuous cold heading 2~3 times, primarily to nut sheet
4 of body are diagonal full consistent；2. drawing angle, upsetting at one end face edge of nut body after forming is gone out into height one with cold headers
The pad of cause；3. punching goes out through-hole at the center of nut body with cold headers；4. tapping tapping machine is in nut body
Centre bore in process internal screw thread.The nut anti-pressure and abrasion-proof performance of above-mentioned technique production is insufficient.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of processing technology of nut, to solve adding for existing nut
Work technique leads to the technical problem of anti-pressure and abrasion-proof performance deficiency.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions: a kind of processing work of nut
Skill, successively the following steps are included:
Step 1: selecting former material according to the size of special nut processing, and checks the outer dimension of former material, makes the same of former material
Heart degree deviation is -2~2mm, and the deviation on former material length direction is not more than 1/1000, and makes annealing treatment to former material；
Step 2: by the former material of step 1 passed examination by cold headers cold upset forming nut body, and make nut body
Corner it is full consistent；
Step 3: first processing centre of location point on the nut body of step 2 forming, then passes through cold headers center
Through-hole is gone out at point；
Step 4: treated that nut body preheated by step 3, quenches and tempering, is then existed with tapping machine
Internal screw thread is processed in through-hole；
Step 5: step 4 treated nut body is subjected to internal screw thread detection；
Step 6: the qualified nut body of step 5 detection is processed into chamfering and to nut body appearance on lathe
The processing in face；
Step 7: the detection of outer dimension is carried out to the nut body of step 6 processing；
Step 8: the qualified nut body of step 7 detection is subjected to outer surface grinding process on sander；
Step 9: the nut body after step 8 is polished carries out Surface heat-treatent and blackening process；
Step 10: step 9 treated nut body is subjected to natural cooling processing, the cooling time is 2~3h.
Preferably, the former material in step 1 is carbon steel.
Preferably, the centre of location point in step 3 is processed by drilling machine, and the diameter ratio of centre of location point and through-hole is
1:3~2:5.
Preferably, the internal screw thread detection of nut body is detected by bolt in step 5.
Preferably, the outer dimension detection of nut body is detected by vernier caliper in step 7.
In conclusion advantages of the present invention: 1. pass through former material detection, cold upset forming, heat treatment, internal screw thread detection, lathe
Processing, outer dimension detection, grinding process, the preparation of the processing technology of Surface heat-treatent and cooling nut, due to step 1
In to define that former material needs to meet Concentricity tolerance be -2~2mm, the deviation on former material length direction is not more than 1/1000, can subtract
Few cumulative errors further improve the quality of the nut body of subsequent preparation, and annealing can reduce the hardness on surface, favorably
In the processing of cold headers, further increase processing efficiency, by the setting of centre of location point in step 3, can improve through-hole plus
Working medium amount, misplaces when through-hole being avoided to process, and improves the processing efficiency of through-hole, and preheating, quenching and tempering can improve
The intensity of nut body is conducive to the processing of internal screw thread, and successively internal threads and outer surface are detected, and can ensure that internal screw thread exists
Outer surface processing is carried out under the premise of qualification, it is ensured that waste product can be timely recycled, heat treatment and blackening process energy
Making the outer surface of nut our department has good finish；
2. the former material in step 1 is set as carbon steel, it is able to satisfy different strength demands, the nut after making preparation is able to satisfy
Different installation requirements；
3. centre of location point is processed by drilling machine, the quality of processing and the stability of processing can be improved, and in positioning
The diameter ratio of heart point and through-hole is 1:3~2:5, can improve the processing quality of through-hole, it is ensured that the straightness of through-hole, it can be according to through-hole
Diameter select different size of centre of location point, practical performance is good；
4. realizing that the internal screw thread of nut body detects by bolt, interior spiral shell is detected by the cooperation of bolts and nuts ontology
The quality of line can improve the efficiency of nut body detection；
5. vernier caliper adapts to different operators, the exterior surface dimension of nut body can be quickly read, is improved
The efficiency and quality of detection.
Specific embodiment
A kind of processing technology of nut, successively the following steps are included:
Step 1: selecting former material according to the size of special nut processing, and checks the outer dimension of former material, makes the same of former material
Heart degree deviation is -2~2mm, and the deviation on former material length direction is not more than 1/1000, and makes annealing treatment to former material；
Step 2: by the former material of step 1 passed examination by cold headers cold upset forming nut body, and make nut body
Corner it is full consistent；
Step 3: first processing centre of location point on the nut body of step 2 forming, then passes through cold headers center
Through-hole is gone out at point；
Step 4: treated that nut body preheated by step 3, quenches and tempering, is then existed with tapping machine
Internal screw thread is processed in through-hole；
Step 5: step 4 treated nut body is subjected to internal screw thread detection；
Step 6: the qualified nut body of step 5 detection is processed into chamfering and to nut body appearance on lathe
The processing in face；
Step 7: the detection of outer dimension is carried out to the nut body of step 6 processing；
Step 8: the qualified nut body of step 7 detection is subjected to outer surface grinding process on sander；
Step 9: the nut body after step 8 is polished carries out Surface heat-treatent and blackening process；
Step 10: step 9 treated nut body is subjected to natural cooling processing, the cooling time is 2~3h.
Pass through former material detection, cold upset forming, heat treatment, internal screw thread detection, machine tooling, outer dimension detection, burnishing part
The nut of reason, Surface heat-treatent and the preparation of the processing technology of cooling, due to defining that former material needs meet with one heart in step 1
Degree deviation is -2~2mm, and the deviation on former material length direction is not more than 1/1000, can be reduced cumulative errors, further improves
The quality of the nut body of subsequent preparation, annealing can reduce the hardness on surface, be conducive to the processing of cold headers, further mention
High processing efficiency can improve the processing quality of through-hole, when through-hole being avoided to process by the setting of centre of location point in step 3
It now misplaces, improves the processing efficiency of through-hole, preheating, quenching and tempering can improve the intensity of nut body, be conducive to interior
The processing of screw thread, successively internal threads and outer surface are detected, and can ensure that internal screw thread carries out outer surface under the premise of qualification
Processing, it is ensured that waste product can be timely recycled, the appearance of heat treatment, blackening process and cooling Neng Shi nut our department
Face has good finish.
Former material in step 1 is carbon steel, is able to satisfy different strength demands, and the nut after making preparation is able to satisfy different
Installation requirements, the centre of location point in step 3 is processed by drilling machine, and the diameter ratio of centre of location point and through-hole is 1:3~2:
5, by centre of location point by drilling machine process, can improve processing quality and processing stability, and centre of location point with lead to
The diameter ratio in hole is 1:3~2:5, can improve the processing quality of through-hole, it is ensured that the straightness of through-hole can be selected according to the diameter of through-hole
Different size of centre of location point is selected, practical performance is good, and the internal screw thread detection of nut body is examined by bolt in step 5
It surveys, realizes that the internal screw thread of nut body detects by bolt, the matter of internal screw thread is detected by the cooperation of bolts and nuts ontology
Amount can improve the efficiency of nut body detection, and the outer dimension detection of nut body is examined by vernier caliper in step 7
It surveys, vernier caliper adapts to different operators, can quickly read the exterior surface dimension of nut body, improve the effect of detection
Rate and quality.
In addition to above preferred embodiment, there are other embodiments of the invention, and those skilled in the art can be according to this
Invention makes various changes and modifications, and as long as it does not depart from the spirit of the invention, should belong to appended claims of the present invention and determines
The range of justice.
Claims (5)
1. a kind of processing technology of nut, it is characterised in that: successively the following steps are included:
Step 1: selecting former material according to the size of special nut processing, and checks the outer dimension of former material, makes the concentricity of former material
Deviation is -2~2mm, and the deviation on former material length direction is not more than 1/1000, and makes annealing treatment to former material；
Step 2: by the former material of step 1 passed examination by cold headers cold upset forming nut body, and make the angle of nut body
Portion is full consistent；
Step 3: first processing centre of location point on the nut body of step 2 forming, then passes through cold headers center
Go out through-hole；
Step 4: treated that nut body preheated by step 3, quenches and tempering, then with tapping machine in through-hole
Inside process internal screw thread；
Step 5: step 4 treated nut body is subjected to internal screw thread detection；
Step 6: the qualified nut body of step 5 detection is processed into chamfering and to nut body outer surface on lathe
Processing；
Step 7: the detection of outer dimension is carried out to the nut body of step 6 processing；
Step 8: the qualified nut body of step 7 detection is subjected to outer surface grinding process on sander；
Step 9: the nut body after step 8 is polished carries out Surface heat-treatent and blackening process；
Step 10: step 9 treated nut body is subjected to natural cooling processing, the cooling time is 2~3h.
2. a kind of processing technology of nut according to claim 1, it is characterised in that: the former material in step 1 is carbon steel.
3. a kind of processing technology of nut according to claim 1, it is characterised in that: the centre of location point in step 3 is logical
Drilling machine processing is crossed, and the diameter ratio of centre of location point and through-hole is 1:3~2:5.
4. a kind of processing technology of nut according to claim 1, it is characterised in that: the interior spiral shell of nut body in step 5
Line detection is detected by bolt.
5. a kind of processing technology of nut according to claim 1, it is characterised in that: the shape of nut body in step 7
Size detection is detected by vernier caliper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811001840.4A CN109014787A (en) | 2018-08-30 | 2018-08-30 | A kind of processing technology of nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811001840.4A CN109014787A (en) | 2018-08-30 | 2018-08-30 | A kind of processing technology of nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109014787A true CN109014787A (en) | 2018-12-18 |
Family
ID=64625539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811001840.4A Pending CN109014787A (en) | 2018-08-30 | 2018-08-30 | A kind of processing technology of nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109014787A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402515A (en) * | 2018-12-26 | 2019-03-01 | 温州市鸿图汽车零部件有限公司 | A kind of nut processing technology |
| CN109551188A (en) * | 2019-01-23 | 2019-04-02 | 无锡市卓益机械制造有限公司 | The processing technology of high-precision connector |
| CN109623288A (en) * | 2019-01-26 | 2019-04-16 | 温州博力浩实业有限公司 | A kind of processing technology of nut |
| CN109732288A (en) * | 2019-02-20 | 2019-05-10 | 哈尔滨锅炉厂有限责任公司 | The manufacturing method of the U-shaped sunpender protecting sleeve for thread nut of drum |
| CN110900118A (en) * | 2019-10-28 | 2020-03-24 | 瑞安市振安车辆配件有限公司 | Nut machining process |
| CN110961569A (en) * | 2019-12-27 | 2020-04-07 | 浙江裕泰汽车配件有限公司 | Warm upsetting composite forming process for nut |
| CN110977346A (en) * | 2019-12-10 | 2020-04-10 | 苏州工业园区科海机电工程有限公司 | Steel product processing technology |
| CN111069850A (en) * | 2019-11-30 | 2020-04-28 | 河南航天精工制造有限公司 | Method for processing stainless steel tensile high-locking nut |
| CN115415754A (en) * | 2022-10-12 | 2022-12-02 | 中航动力株洲航空零部件制造有限公司 | Machining process for lock nut lathe |
Citations (5)
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|---|---|---|---|---|
| US20040192452A1 (en) * | 2003-03-24 | 2004-09-30 | Bollhoff Otalu S.A. | Manufacturing process of a clinch nut and clinch nut achieved by such a process |
| CN103586633A (en) * | 2013-10-31 | 2014-02-19 | 江西洪都航空工业集团有限责任公司 | Method for machining stainless steel singe dual-lug support plate nut |
| CN104625604A (en) * | 2014-12-05 | 2015-05-20 | 衡阳风顺车桥有限公司 | Production technology of extremely flat nuts |
| CN104988402A (en) * | 2015-05-29 | 2015-10-21 | 海盐宇星螺帽有限责任公司 | Galvanized nut machining technology |
| CN107695613A (en) * | 2016-08-08 | 2018-02-16 | 莫宁 | Nut processing technology |
-
2018
- 2018-08-30 CN CN201811001840.4A patent/CN109014787A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040192452A1 (en) * | 2003-03-24 | 2004-09-30 | Bollhoff Otalu S.A. | Manufacturing process of a clinch nut and clinch nut achieved by such a process |
| CN103586633A (en) * | 2013-10-31 | 2014-02-19 | 江西洪都航空工业集团有限责任公司 | Method for machining stainless steel singe dual-lug support plate nut |
| CN104625604A (en) * | 2014-12-05 | 2015-05-20 | 衡阳风顺车桥有限公司 | Production technology of extremely flat nuts |
| CN104988402A (en) * | 2015-05-29 | 2015-10-21 | 海盐宇星螺帽有限责任公司 | Galvanized nut machining technology |
| CN107695613A (en) * | 2016-08-08 | 2018-02-16 | 莫宁 | Nut processing technology |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402515A (en) * | 2018-12-26 | 2019-03-01 | 温州市鸿图汽车零部件有限公司 | A kind of nut processing technology |
| CN109551188A (en) * | 2019-01-23 | 2019-04-02 | 无锡市卓益机械制造有限公司 | The processing technology of high-precision connector |
| CN109623288A (en) * | 2019-01-26 | 2019-04-16 | 温州博力浩实业有限公司 | A kind of processing technology of nut |
| CN109732288A (en) * | 2019-02-20 | 2019-05-10 | 哈尔滨锅炉厂有限责任公司 | The manufacturing method of the U-shaped sunpender protecting sleeve for thread nut of drum |
| CN110900118A (en) * | 2019-10-28 | 2020-03-24 | 瑞安市振安车辆配件有限公司 | Nut machining process |
| CN111069850A (en) * | 2019-11-30 | 2020-04-28 | 河南航天精工制造有限公司 | Method for processing stainless steel tensile high-locking nut |
| CN110977346A (en) * | 2019-12-10 | 2020-04-10 | 苏州工业园区科海机电工程有限公司 | Steel product processing technology |
| CN110961569A (en) * | 2019-12-27 | 2020-04-07 | 浙江裕泰汽车配件有限公司 | Warm upsetting composite forming process for nut |
| CN115415754A (en) * | 2022-10-12 | 2022-12-02 | 中航动力株洲航空零部件制造有限公司 | Machining process for lock nut lathe |
| CN115415754B (en) * | 2022-10-12 | 2024-04-26 | 湖南星途航空航天器制造有限公司 | Lathing process for lock nut |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |