CN106440987A - Precision stainless steel needle gauge and processing technology - Google Patents
Precision stainless steel needle gauge and processing technology Download PDFInfo
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- CN106440987A CN106440987A CN201611047804.2A CN201611047804A CN106440987A CN 106440987 A CN106440987 A CN 106440987A CN 201611047804 A CN201611047804 A CN 201611047804A CN 106440987 A CN106440987 A CN 106440987A
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- tempering
- temperature
- stainless steel
- precision
- rustless steel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B1/00—Measuring instruments characterised by the selection of material therefor
-
- 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
Abstract
The invention provides a precision stainless steel needle gauge and a processing technology. The precision stainless steel needle gauge is prepared from the following components in percentage by weight: 0.95 to 1.20% of carbon, 0.90 to 1.20% of silicon, 0.90 to 1.10% of manganese, 0.040 to 0.065% of phosphor, 0.020 to 0.045% of sulfur, 18.0 to 22.0% of chromium, and 2 to 3% of cobalt. The processing technology of the precision stainless steel needle gauge comprises the following steps of material preparation and production, material cutting, coarse grinding, heat treatment, fine grinding and forming, and constant-temperature detection. The precision stainless steel needle gauge has the advantages that the precision and roundness are controlled within 0.0003mm, the size tolerance is controlled within +/-0.0003mm, the hardness is HRC60+/-2 degrees, the easiness in rusting is avoided, the abrasion-resistant property and stability are realized, and the easiness in deformation is avoided.
Description
Technical field
The present invention relates to accurate rustless steel divider technology, especially a kind of precision rustless steel divider and processing technique.
Background technology
Divider be the hardness being made up of white steel, tool steel, pottery, wolfram steel bearing steel etc. or other materials higher with spy
The pole of sizing.Divider is particularly suitable for bending suitable for the measurement of aperture, pitch-row, female thread path mechano-electronic processing
Groove width and the measurement of die size.For checking position, the size of measured hole, two pitch-rows are checked, can also make go-no go gauge and measurement
The depth in hole is used, and is the indispensable cubing of the standardization detection in hole, is detected workpiece with international advanced laser detecting apparatus.And extensively use
Field in various high-quality precision and sophisticated technologies such as electron plate, wiring board, mould, precision optical machinery manufactures.Appearance forrns have smooth divider, band
Handle divider, titanizing divider, ceramic divider etc..A lot of dividers, have pottery, have steel, have plastic cement, have a lot used precision long
Degree, circularity, all not enough.
Content of the invention
In view of this, the main object of the present invention is to provide a kind of precision rustless steel divider and processing technique.
Its technical scheme for adopting is：
A kind of precision rustless steel divider, it is characterised in that including rustless steel divider, the rustless steel divider contains following weight percent
The content of ratio：Carbon 0.95～1.20%, silicon 0.90～1.20%, manganese 0.90～1.10%, phosphorus 0.040～0.065%, sulfur 0.020～
0.045%, chromium 18.0～22.0%, cobalt 2 ~ 3%.
Preferably, the rustless steel divider contains the content of following percentage by weight：Carbon 0.10～1.15%, silicon 0.95～
1.05%, manganese 0.98～1.04%, phosphorus 0.040%, sulfur 0.025～0.035%, chromium 20.6～21.3%, cobalt 2.5 ~ 2.8%.
A kind of processing technique of precision rustless steel divider, comprises the steps：
Step S1, dispensing is produced：According to the percentage by weight that each element of rustless steel divider described in claim 1～2 includes
Proportioning is carried out, according to modified model austenitic stainless steel wires production technology or modified model martensite, the production of ferrite stainless steel wire
Technique makes iron and steel bar；
Step S2, cut-out is drawn materials：The iron and steel bar of step S1 is taken as raw material, carry out that sawing sheet is disconnected to cut；
Step S3, polishing：Attrition process and surface polishing is carried out after step S2 sawing sheet is broken and cut；
Step S4, heat treatment, the operation of the heat treatment includes as follows：
1. quench, quench at 1000 °～1050 ° of temperature 2～3 hours；
2. be tempered, be circulated tempering at 500 °～650 ° of temperature, the number of times of tempering is not less than 4 times, every time tempering 2.3～
3.5 hours；
3. ultra-deep is cold, and it is cold 28 hours of -196 ° of lower ultra-deep to take out material in temperature after tempering；
4. the material by ultra-deep after cold is in tempering three times；
Step S4, grinds molding；
Step S5, Constant Temperature Detection.
Preferably, in step S4, grinding molding includes following operation：
1. first rough lapping is carried out, flash removed is removed,
2. underway grinding,
3. smooth grinding, the rustless steel divider precision after grinding, circularity are finally carried out：Within 0.0003mm, dimensional tolerance ±
Within 0.0003mm, hardness：HRC60°±2.
Preferably, the modified model austenitic stainless steel wires production technology comprises the steps：Hot pressing disk is justified, a solid solution
Process, one time alkali is invaded, and once flushing once goes coating, again solution treatment, and alkali is invaded again, is rinsed again, three pickling, in
With, go coating again, wire drawing, go coating for the third time, neutralization, finished product detection.
Preferably, the modified model martensite, ferrite stainless steel wire production technology comprise the steps：Hot pressing disk is justified,
Annealing, one time alkali is invaded, once flushing, a pickling, goes coating, and alkali is invaded again, is rinsed again, three pickling, neutralization, wire drawing,
Finished product detection.
Preferably, the material in step S4 4. by ultra-deep after cold is in tempering three times；Temperature is respectively：It is tempered for the first time
Temperature be 560 °, the temperature of second tempering is 560 °, and the temperature of third time time tempering is 570 °.
Preferably, step S5, Constant Temperature Detection, its temperature is 18 °～22 DEG C
Compared to prior art, the rustless steel divider precision of present invention offer, circularity：Within 0.0003mm, dimensional tolerance ±
Within 0.0003mm, hardness：HRC60 ° ± 2, rustless steel divider is wear-resisting, stable for this, it is yielding not allow.
Description of the drawings
Fig. 1 is the process chart of the present invention.
Specific embodiment
The present invention, the illustrative examples of the here present invention are described in detail below in conjunction with accompanying drawing and specific embodiment
And explanation is for explaining the present invention, but not as a limitation of the invention.
The invention discloses a kind of precision rustless steel divider, including rustless steel divider, the rustless steel divider contains following weight
The content of amount percentage ratio：Carbon 0.95～1.20%, silicon 0.90～1.20%, manganese 0.90～1.10%, phosphorus 0.040～0.065%, sulfur
0.020～0.045%, chromium 18.0～22.0%, cobalt 2 ~ 3%.
Preferably, the rustless steel divider contains the content of following percentage by weight：Carbon 0.10～1.15%, silicon 0.95～
1.05%, manganese 0.98～1.04%, phosphorus 0.040%, sulfur 0.025～0.035%, chromium 20.6～21.3%, cobalt 2.5 ~ 2.8%.
It is described in detail below in conjunction with Fig. 1 and embodiment.
Embodiment 1
A kind of processing technique of precision rustless steel divider, comprises the steps：
Step S1, dispensing is produced：According to carbon 0.10%, silicon 0.95%, manganese 0.98%, phosphorus 0.040%, sulfur 0.025%, chromium 20.6%, cobalt
2.5% carries out proportioning, according to modified model austenitic stainless steel wires production technology or modified model martensite, ferrite stainless steel wire
Production technology makes iron and steel bar；The modified model austenitic stainless steel wires production technology comprises the steps：Hot pressing disk is justified, once
Solution treatment, one time alkali is invaded, and once flushing once goes coating, again solution treatment, and alkali is invaded again, is rinsed again, three subacids
Wash, neutralization, go coating again, wire drawing, go coating for the third time, neutralization, finished product detection.The modified model martensite, ferrite are not
Rust steel wire production process comprises the steps：Hot pressing disk is justified, annealing, and one time alkali is invaded, once flushing, a pickling, goes coating, then
Secondary alkali is invaded, and is rinsed again, three pickling, neutralization, wire drawing, finished product detection.
Step S2, cut-out is drawn materials：The iron and steel bar of step S1 is taken as raw material, carry out that sawing sheet is disconnected to cut；
Step S3, polishing：Attrition process and surface polishing is carried out after step S2 sawing sheet is broken and cut；
Step S4, heat treatment, the operation of the heat treatment includes as follows：
1. quench, quench at 1000 ° of temperature 2 hours；
2. it is tempered, at 560 ° of temperature, tempering is circulated, the number of times of tempering is not less than 4 times, every time 2.5 hour of tempering；
3. ultra-deep is cold, after tempering material is taken out cold 28 hours of ultra-deep at temperature is -196 DEG C；
4. the material by ultra-deep after cold is in tempering three times；The temperature of tempering is that the temperature of 560 °, second tempering is for the first time
560 °, the temperature of third time time tempering is 570 °.
Step S4, grinds molding；1. first rough lapping is carried out, flash removed is removed, 2. underway grinding, 3. finally carry out lappingout
Mill.
Step S5, Constant Temperature Detection at 18-22 DEG C.
Take above-mentioned 100 sample detection, precision, circularity：Within 0.00024mm～0.00027mm, dimensional tolerance-
Within 0.00014mm～0.00020mm, hardness：HRC60°.
Embodiment 2
A kind of processing technique of precision rustless steel divider, comprises the steps：Step S1, dispensing is produced：According to carbon 1.1%, silicon
1.0%, manganese 1.0%, phosphorus 0.040%, sulfur 0.03%, chromium 21%, cobalt 2.5% carries out proportioning, gives birth to according to modified model austenitic stainless steel wires
Production. art or modified model martensite, ferrite stainless steel wire production technology make iron and steel bar；The modified model austenite stainless
Steel wire production process comprises the steps：Hot pressing disk is justified, a solution treatment, and one time alkali is invaded, and once flushing once goes coating,
Solution treatment again, again alkali invade, rinse again, three pickling, neutralization, go coating again, wire drawing, go coating for the third time, in
With finished product detection.The modified model martensite, ferrite stainless steel wire production technology comprise the steps：Hot pressing disk is justified, and moves back
Fire, one time alkali is invaded, once flushing, a pickling, goes coating, and alkali is invaded again, is rinsed again, three pickling, neutralization, and wire drawing becomes
Product examine is surveyed.
Step S2, cut-out is drawn materials：The iron and steel bar of step S1 is taken as raw material, carry out that sawing sheet is disconnected to cut；
Step S3, polishing：Attrition process and surface polishing is carried out after step S2 sawing sheet is broken and cut；
Step S4, heat treatment, the operation of the heat treatment includes as follows：
1. quench, quench at 1050 ° of temperature 2 hours；
2. it is tempered, at 560 ° of temperature, tempering is circulated, the number of times of tempering is not less than 4 times, every time 2.5 hour of tempering；
3. ultra-deep is cold, after tempering material is taken out cold 28 hours of ultra-deep at temperature is -196 DEG C；
4. the material by ultra-deep after cold is in tempering three times；The temperature of tempering is that the temperature of 560 °, second tempering is for the first time
560 °, the temperature of third time time tempering is 570 °.
Step S4, grinds molding；1. first rough lapping is carried out, flash removed is removed, 2. underway grinding, 3. finally carry out lappingout
Mill.
Step S5, Constant Temperature Detection at 18 DEG C -22 DEG C.
Take above-mentioned 100 sample detection, precision, circularity：Within 0.00021mm～0.00024mm, dimensional tolerance-
Within 0.00009mm～0.00017mm, hardness：HRC60°±2.
Embodiment 3
A kind of processing technique of precision rustless steel divider, comprises the steps：Step S1, dispensing is produced：According to carbon 1.20%, silicon
1.0%, manganese 1.0%, phosphorus 0.040%, sulfur 0.03%, chromium 22%, cobalt 3.0% carries out proportioning, gives birth to according to modified model austenitic stainless steel wires
Production. art or modified model martensite, ferrite stainless steel wire production technology make iron and steel bar；The modified model austenite stainless
Steel wire production process comprises the steps：Hot pressing disk is justified, a solution treatment, and one time alkali is invaded, and once flushing once goes coating,
Solution treatment again, again alkali invade, rinse again, three pickling, neutralization, go coating again, wire drawing, go coating for the third time, in
With finished product detection.The modified model martensite, ferrite stainless steel wire production technology comprise the steps：Hot pressing disk is justified, and moves back
Fire, one time alkali is invaded, once flushing, a pickling, goes coating, and alkali is invaded again, is rinsed again, three pickling, neutralization, and wire drawing becomes
Product examine is surveyed.
Step S2, cut-out is drawn materials：The iron and steel bar of step S1 is taken as raw material, carry out that sawing sheet is disconnected to cut；
Step S3, polishing：Attrition process and surface polishing is carried out after step S2 sawing sheet is broken and cut；
Step S4, heat treatment, the operation of the heat treatment includes as follows：
1. quench, quench at 1050 ° of temperature 2 hours；
2. it is tempered, at 560 ° of temperature, tempering is circulated, the number of times of tempering is not less than 4 times, every time 2.5 hour of tempering；
3. ultra-deep is cold, takes out material after tempering and in temperature is -- cold 28 hours of 196 DEG C of ° of lower ultra-deep；
4. the material by ultra-deep after cold is in tempering three times；The temperature of tempering is that the temperature of 560 °, second tempering is for the first time
560 °, the temperature of third time time tempering is 570 °.
Step S4, grinds molding；1. first rough lapping is carried out, flash removed is removed, 2. underway grinding, 3. finally carry out lappingout
Mill.
Step S5, in 18 DEG C of -22 times Constant Temperature Detection.
Take above-mentioned 100 sample detection, precision, circularity：Within 0.00024mm～0.00027mm, dimensional tolerance-
Within 0.00012mm～0.00028mm, hardness：HRHRC60°±2°.
From above-described embodiment, according to carbon 1.1%, silicon 1.0%, manganese 1.0%, phosphorus 0.040%, sulfur 0.03%, chromium 21%, cobalt
2.5% carries out proportioning, and the rustless steel divider technique optimum for being processed the step of using 2 kinds of embodiment obtaining, its precision,
Circularity：Within 0.00021mm～0.00024mm, within dimensional tolerance -0.00009mm～0.00017mm, hardness：HRC60°
± 2, all meet needed for production precision instrument.
Above the technical scheme disclosed in the embodiment of the present invention is described in detail, used herein is embodied as
Example is set forth to the principle of the embodiment of the present invention and embodiment, and the explanation of above example is only applicable to help and understands
The principle of the embodiment of the present invention；Simultaneously for one of ordinary skill in the art, according to the embodiment of the present invention, it is being embodied as
All will change in mode and range of application, in sum, this specification content should not be construed as the limit to the present invention
System.
Claims (8)
1. a kind of precision rustless steel divider, it is characterised in that including rustless steel divider, the rustless steel divider contains following weight hundred
Divide the content of ratio：Carbon 0.95～1.20%, silicon 0.90～1.20%, manganese 0.90～1.10%, phosphorus 0.040～0.065%, sulfur 0.020
～0.045%, chromium 18.0～22.0%, cobalt 2 ~ 3%.
2. according to claim 1 precision rustless steel divider, it is characterised in that the rustless steel divider contains following weight
The content of percentage ratio：Carbon 0.10～1.15%, silicon 0.95～1.05%, manganese 0.98～1.04%, phosphorus 0.040%, sulfur 0.025～
0.035%, chromium 20.6～21.3%, cobalt 2.5 ~ 2.8%.
3. a kind of precision rustless steel divider processing technique, it is characterised in that comprise the steps：
Step S1, dispensing is produced：According to the percentage by weight that each element of rustless steel divider described in claim 1～2 includes
Proportioning is carried out, according to modified model austenitic stainless steel wires production technology or modified model martensite, the production of ferrite stainless steel wire
Technique makes iron and steel bar；
Step S2, cut-out is drawn materials：The iron and steel bar of step S1 is taken as raw material, carry out that sawing sheet is disconnected to cut；
Step S3, polishing：Attrition process and surface polishing is carried out after step S2 sawing sheet is broken and cut；
Step S4, heat treatment, the operation of the heat treatment includes as follows：
1. quench, quench at 1000 °～1050 ° of temperature 2～3 hours；
2. be tempered, be circulated tempering at 500 °～650 ° of temperature, the number of times of tempering is not less than 4 times, every time tempering 2.3～
3.5 hours；
3. ultra-deep is cold, and it is cold 28 hours of -196 ° of lower ultra-deep to take out material in temperature after tempering；
4. the material by ultra-deep after cold is in tempering three times；
Step S4, grinds molding；
Step S5, Constant Temperature Detection.
4. method according to claim 3, it is characterised in that in step S4, grinding molding includes following operation：
1. first rough lapping is carried out, flash removed is removed,
2. underway grinding,
3. smooth grinding, the rustless steel divider precision after grinding, circularity are finally carried out：Within 0.0003mm, dimensional tolerance ±
Within 0.0003mm, hardness：HRC60°±2.
5. method according to claim 3, it is characterised in that the modified model austenitic stainless steel wires production technology includes
Following steps：Hot pressing disk is justified, a solution treatment, and one time alkali is invaded, and once flushing once goes coating, again solution treatment, again
Alkali is invaded, and is rinsed again, three pickling, neutralization, goes coating again, and coating is gone in wire drawing for the third time, neutralization, finished product detection.
6. method according to claim 3, it is characterised in that the modified model martensite, the production of ferrite stainless steel wire
Technique comprises the steps：Hot pressing disk is justified, annealing, and one time alkali is invaded, once flushing, a pickling, goes coating, and alkali is invaded again, then
Secondary flushing, three pickling, neutralization, wire drawing, finished product detection.
7. method according to claim 3, it is characterised in that the material in step S4 4. by ultra-deep after cold is in tempering three
Secondary；Temperature is respectively：The temperature of tempering is that the temperature being tempered for 560 °, second is 560 ° for the first time, third time time tempering
Temperature be 570 °.
8. method according to claim 3, it is characterised in that step S5, Constant Temperature Detection, its temperature is 18 °～22 °.
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| CN201611047804.2A CN106440987A (en) | 2016-11-25 | 2016-11-25 | Precision stainless steel needle gauge and processing technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107723420A (en) * | 2017-11-28 | 2018-02-23 | 湖北工程职业学院 | A kind of heat treatment quenching process of high carbon and chromium martensitic stainless steel precision component |
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Application publication date: 20170222 |