CN106381376B - Machining method of stainless steel plate for cutter, cutter and machining method of cutter - Google Patents
Machining method of stainless steel plate for cutter, cutter and machining method of cutter Download PDFInfo
- Publication number
- CN106381376B CN106381376B CN201510446237.7A CN201510446237A CN106381376B CN 106381376 B CN106381376 B CN 106381376B CN 201510446237 A CN201510446237 A CN 201510446237A CN 106381376 B CN106381376 B CN 106381376B
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- steel plate
- cutter
- temperature
- treatment
- 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.)
- Active
Links
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 145
- 239000010935 stainless steel Substances 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000003754 machining Methods 0.000 title abstract description 5
- 238000011282 treatment Methods 0.000 claims abstract description 70
- 238000001816 cooling Methods 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000010791 quenching Methods 0.000 claims abstract description 10
- 230000000171 quenching effect Effects 0.000 claims abstract description 10
- 238000002791 soaking Methods 0.000 claims description 22
- 238000005098 hot rolling Methods 0.000 claims description 20
- 238000003672 processing method Methods 0.000 claims description 20
- 238000005097 cold rolling Methods 0.000 claims description 18
- 238000005498 polishing Methods 0.000 claims description 10
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000005496 tempering Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 230000011218 segmentation Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000004520 electroporation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a machining method of a stainless steel plate for a cutter, the cutter and a machining method of the cutter, and belongs to the field of chemical machinery. The method comprises the steps of carrying out first vacuum quenching treatment on a hot-rolled and cold-rolled stainless steel plate, wherein the first vacuum quenching treatment comprises first heating treatment at 900-1000 ℃ for 18-22min, first air cooling treatment and first deep cooling treatment at-75 ℃ to-65 ℃ for 25-35 min; after the first tempering treatment of 560-650 ℃ and 55-65min is carried out on the stainless steel plate subjected to the first vacuum quenching treatment, the second vacuum quenching treatment is carried out on the side part on which the cutting edge of the cutter is prepared, wherein the second vacuum quenching treatment comprises second heating treatment of 1020-1070 ℃ and 18-22min, second air cooling treatment and second subzero treatment which are sequentially carried out, the subzero treatment temperature is sequentially controlled to be-45 ℃ to-35 ℃, 85 ℃ to-75 ℃, 115 ℃ to-120 ℃, and correspondingly, the subzero treatment time is sequentially controlled to be 18-22min, 28-32min and 115-125 min; and performing a second tempering treatment on the side part at 200-300 ℃ for 110-130min to obtain the stainless steel plate for the cutter. The cutter for processing the stainless steel plate provided by the method has high strength and toughness.
Description
Technical field
The present invention relates to chemical machinery field, more particularly to a kind of processing method of cutlery stainless steel plate, cutter and its
Processing method.
Background technology
During power construction, usually using cable cover(ing) handling implement, such as wire stripper, cable major insulation
Layer stripper and wire external layer aluminium glue pelling-cutting device etc. carries out peeling processing to cable conductor.Wherein, wire stripper
Effect is to divest the insulated hull of cable conductor, and it generally includes upper handle, lower handle, cutter and caging bolt.And cutter conduct
The pith of peeling effect is influenceed, it is very necessary to the disclosure of its material and processing method.
The cutter of prior art generally use stainless steel, and the processing method of the stainless steel knife is as follows：Will
Stainless steel carries out hot rolling and intermediate is made；Then intermediate is annealed, cold-rolling treatment obtains the cold rolling with target thickness
Steel band；Cold-rolled strip is quenched successively again, is tempered, wherein hardening heat scope is 850-1100 DEG C, the model of high tempering
It is 560-650 DEG C to enclose, and the temperature range of lonneal is 150-300 DEG C, obtains cutlery stainless steel；Finally to cutter with stainless
Steel such as is put the first edge on a knife or a pair of scissors, cut off at the forming processes, that is, obtains stainless steel knife.
Inventor has found that prior art at least has problems with：
The stainless steel knife poor toughness of prior art offer, easy fracture, it is unfavorable for the construction safety of operating personnel.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, there is provided a kind of processing method of stainless steel plate, stainless
Steel cutter and its processing method, the toughness of cutter is effectively increased while cutter hardness is ensured.Concrete technical scheme is as follows：
In a first aspect, the embodiments of the invention provide a kind of processing method of cutlery stainless steel plate, including：
Step a, hot rolling and cold-rolling treatment are carried out successively to stainless steel plate, the stainless steel plate pre-processed；
Step b, the first vacuum hardening processing, the first vacuum hardening processing are carried out to the stainless steel plate of the pretreatment
First including carrying out successively heats, the first air cooling handles and the first subzero treatment；
Described first temperature heated is 900-1000 DEG C, soaking time 18-22min, at first deep cooling
The temperature of reason is -75 DEG C to -65 DEG C, time 25-35min；
Step c, the stainless steel plate after handling the first vacuum hardening carries out the first temper, first temper
Temperature be 560-650 DEG C, time 55-65min；
Step d, the is carried out to the sidepiece for being used to prepare the blade of cutter on the stainless steel plate after first temper
Two vacuum hardenings are handled, what second vacuum hardening processing included carrying out successively second heat, the processing of the second air cooling and
Second subzero treatment；
Described second temperature heated is 1020-1070 DEG C, soaking time 18-22min；At second deep cooling
Manage to be segmented cooling-down type subzero treatment, including：Control successively cryogenic temperature for -45 DEG C to -35 DEG C, -85 DEG C to -75 DEG C, -115
DEG C to -120 DEG C, accordingly, it is 18-22min, 28-32min, 115-125min to control the deep cooling time successively；
Step e, the sidepiece after handling second vacuum hardening carries out the second temper, obtains cutter with not
Become rusty steel plate, and the temperature of second temper is 200-300 DEG C, time 110-130min.
Specifically, preferably, in the step a, the stainless steel plate is 3Cr13 martensitic stainless steels.
Specifically, preferably, the thickness of the stainless steel plate of the pretreatment is 1.9-2.3mm.
Specifically, preferably, in the step b, the described first temperature heated is 950 DEG C, and soaking time is
20min；The temperature of first subzero treatment is -70 DEG C, time 30min.
Specifically, preferably, after first temper, the Rockwell hardness of stainless steel plate is 48-52HRC.
Specifically, preferably, in the step d, the described second temperature heated is 1055 DEG C, and soaking time is
20min；
During second subzero treatment, it is -40 DEG C, -80 DEG C, -120 DEG C to control cryogenic temperature successively, accordingly, according to
The secondary control deep cooling time is 20min, 30min, 120min.
Specifically, preferably, after second temper, the Rockwell hardness of the sidepiece is 54-58HRC.
Second aspect, the embodiments of the invention provide a kind of cutter, processes to obtain using described cutlery stainless steel plate.
The third aspect, the embodiments of the invention provide the method for utilizing described cutlery stainless steel plate process tool, bag
Include：Excision forming, polishing and polishing are carried out successively to the cutlery stainless steel plate, obtain the cutter.
Further, methods described also includes carrying out punching processing to the cutter, to be installed on the cutter
Hole.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The processing method of cutlery stainless steel plate provided in an embodiment of the present invention, by carrying out hot rolling, cold to stainless steel plate
Pretreatment is rolled, ensures that the tissue of pretreated stainless steel plate is closely knit, intensity and hardness is improved, improves its mechanical property.Then
Handled by carrying out the first above-mentioned vacuum hardening to cold-rolled steel sheet, further improve its hardness；By to the first vacuum hardening
Stainless steel plate after processing carries out the first temper, to reduce its fragility, reduces or eliminates its internal stress, resistance to so as to improve its
Mill property, fatigue strength and toughness, and be surely sized.Then, by removing the phase to the steel plate after the first temper
Second vacuum hardening processing and the second temper are carried out to a sidepiece on surface, this is used to prepare blade with further raising
The rigidity of sidepiece, hardness, the mechanical property such as toughness.It can be seen that by processing method provided in an embodiment of the present invention, obtained knife
Tool stainless steel plate, especially it is used for the sidepiece for preparing blade thereon, it has excellent toughness and intensity concurrently, and mechanical property obtains
Ensure.The cutter that is prepared using the cutlery stainless steel plate while there is high intensity and high tenacity, use it for insulation
When wire carries out peeling processing, under circumstances, such as under winter environment, the insulated hull of insulated conductor can be effectively divested,
And itself will not be broken, the operating efficiency of operating personnel is effectively increased, and ensures its construction safety.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of cutter provided in an embodiment of the present invention.
Reference：
1 blade；
101 blades；
2 erecting beds；
201 mounting holes.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Hardness and toughness are two important mechanical properties of stainless steel plate, and are used to divesting the insulated hull of insulated conductor not
Become rusty steel cutter, has certain requirement to hardness, the insulated hull of especially winter insulated conductor is hardened, for the hard of stainless steel knife
Degree requires also to increase, and the stainless steel knife also needs to higher toughness, so not easy to break in operation, so as to carry
The high operating efficiency of operating personnel, and ensure its construction safety.In view of the above-mentioned problems, the embodiments of the invention provide one kind not
Rust steel plate, stainless steel knife and its processing method.
In a first aspect, the embodiments of the invention provide a kind of processing method of cutlery stainless steel plate, this method include with
Lower step：
Step 101, hot rolling and cold-rolling treatment are carried out successively to stainless steel plate, the stainless steel plate pre-processed.
Step 102, carry out the first vacuum hardening processing to the stainless steel plate of pretreatment, the first vacuum hardening processing include according to
The first of secondary progress is heated, the first air cooling handles and the first subzero treatment.
First temperature heated is 900-1000 DEG C, soaking time 18-22min, the temperature of the first subzero treatment
For -75 DEG C to -65 DEG C, time 25-35min.
Step 103, the first temper is carried out to the stainless steel plate after the first vacuum hardening processing, the first temper
Temperature is 560-650 DEG C, time 55-65min.
Step 104, second is carried out to the sidepiece for being used to prepare the blade of cutter on the stainless steel plate after the first temper
Vacuum hardening is handled, and the second vacuum hardening handles the second heating for including carrying out successively, the second air cooling is handled and second is deep
Cold treatment.
Second temperature heated is 1020-1070 DEG C, soaking time 18-22min；Second subzero treatment is segmentation
Cooling-down type subzero treatment, including：Cryogenic temperature is controlled successively as -45 DEG C to -35 DEG C, -85 DEG C to -75 DEG C, -115 DEG C to -120
DEG C, accordingly, it is 18-22min, 28-32min, 115-125min to control the deep cooling time successively.
Step 105, the second temper is carried out to the sidepiece after the second vacuum hardening processing, obtain cutlery stainless steel
Plate, the temperature of the second temper is 200-300 DEG C, time 110-130min.
The processing method of cutlery stainless steel plate provided in an embodiment of the present invention, by carrying out hot rolling, cold to stainless steel plate
Pretreatment is rolled, ensures that the tissue of pretreated stainless steel plate is closely knit, intensity and hardness is improved, improves its mechanical property.Then
Handled by carrying out the first above-mentioned vacuum hardening to cold-rolled steel sheet, further improve its hardness；By to the first vacuum hardening
Stainless steel plate after processing carries out the first temper, to reduce its fragility, reduces or eliminates its internal stress, resistance to so as to improve its
Mill property, fatigue strength and toughness, and be surely sized.Then, by removing the phase to the steel plate after the first temper
Second vacuum hardening is carried out to the sidepiece on surface, with further improve this be used to preparing the rigidity of the sidepiece of blade, hardness,
The mechanical properties such as toughness.It can be seen that by processing method provided in an embodiment of the present invention, obtained cutlery stainless steel plate, especially
It is the sidepiece for being used to prepare blade thereon, it has excellent toughness and intensity concurrently, and mechanical property is guaranteed.Used using the cutter
Cutter that stainless steel plate is prepared while there is high intensity and high tenacity, use it for carrying out peeling processing to insulated conductor
When, under circumstances, such as under winter environment, the insulated hull of insulated conductor can be effectively divested, and itself will not break
Split, effectively increase the operating efficiency of operating personnel, and ensure its construction safety.
Preferably, in step 101, stainless steel plate is 3Cr13 martensitic stainless steels.What the embodiment of the present invention used
3Cr13 is a kind of typical martensitic chromium stainless steel, hard with height because its phosphorus content is higher containing C, Cr, Mn, Si, P etc.
Degree and quenching degree, so as to be widely used in cutter, and can adjust its thermodynamic property by the heat treatment method for quenching, being tempered.
Specifically, the hot rolling described in the embodiment of the present invention and cold rolling are technological means commonly used in the art.In course of hot rolling
In, the preferred hot-rolled temperature of the embodiment of the present invention is 1160 DEG C, and finishing temperature is 850 DEG C.At the hot rolling limited by said temperature
Reason, can make stainless steel plate tissue, especially be improved along the mechanical property of the tissue of rolling direction, so that stainless steel plate
Organize closely knit.The embodiment of the present invention is using Medium Frequency Induction Heating Furnace or circulates thermal source of the meshbeltfurnace as hot rolling, has environmental protection, nothing
The advantages of pollution.By carrying out cold rolling to the stainless steel plate after hot rolling under normal temperature (20-25 DEG C), its generation can be made very big
Plastic deformation, so as to improve the yield point of stainless steel plate.Specifically, preferably, being carried out in two plate faces of stainless steel plate
Above-mentioned hot rolling and cold rolling pretreatment, in order to make the sidepiece on stainless steel plate different from the two plate faces more closely knit, intensity is more
It is high.
Specifically, in the embodiment of the present invention, the hot rolled and thickness of the pretreated stainless steel plate of cold rolling is 1.9-
2.3mm, preferably 2.1mm.The embodiment of the present invention is by the way that the thickness of pretreated stainless steel plate is defined as above, not only
Can meet the needs of actual tool dimension, and surplus is left for follow-up polishing step, facilitate the shaping of cutter.
In step 102, the first temperature heated is preferably 950 DEG C, and soaking time is preferably 20min；First deep cooling
The temperature of processing is preferably -70 DEG C, and the time is preferably 30min.
In the embodiment of the present invention, the effective thickness of soaking time and stainless steel plate to be processed in heat-treatment process,
Alloying element, temperature, charging mode contained by heating medium, steel etc. are relevant.Its calculation formula is as follows：
T=α × K × D (min)
Wherein, T is soaking time (min), and α is heating coefficient (min/mm), typically according to the difference of steel grade, mode of heating
To select its empirical value, such as using cabinet-type electric furnace carbon steel is heated, its heating coefficient often uses 1min/mm, utilizes salt bath furnace
Carbon steel is heated, its heating coefficient often uses 0.25-0.33min/mm, and the heating coefficient of steel alloy is carbon steel under similarity condition
1.3-1.8 times of heating coefficient, and alloying element content is more, and its heating coefficient is bigger, but when heating-up temperature exceedes
At 1000 DEG C, heating coefficient and effective thickness are inversely proportional.The heating coefficient that the embodiment of the present invention uses is 1.2-1.6.K is to be added
Correction factor during the stainless steel plate heating of work, the correction factor that the embodiment of the present invention uses is 1-4.D is to be processed stainless
The effective thickness of steel plate.
Air cooling processing described in the embodiment of the present invention is state of the art, such as it can be in normal temperature (20-25
DEG C) under, pending stainless steel plate is placed in air and is cooled to 20 DEG C.Because quick cooling can cause to produce inside stainless steel plate
Raw internal stress, and when internal stress reaches to a certain degree, stainless steel plate can be distorted, deform, even ftractureing, so as to reduce not
Become rusty hardness, wearability and the service life of steel plate, therefore in step 102, the is carried out to the stainless steel plate after the processing of the first air cooling
One subzero treatment.Specifically, the temperature of the first subzero treatment is -75 DEG C to -65 DEG C, is preferably -70 DEG C, the first subzero treatment
Time is 25-35min, preferably 30min.By being defined as above to the temperature and time of the first subzero treatment, so that
The micropore of stainless steel plate and the part of stress concentration produce Plastic Flow and become structure refinement, so as to eliminate internal stress, and
And a large amount of ultra micro fine carbides are separated out in low temperature so that the intensity of stainless steel plate improves, while increases its wearability and rigidity.
Specifically, in step 103, stainless steel plate the first temper of progress after handling the first vacuum hardening, first
The temperature of temper is 560-650 DEG C, and preferably 650 DEG C, the time of the first temper is 55-65min, is preferably
60min.Due to being handled by the first vacuum hardening, the fragility and hardness of stainless steel plate increase, so, the embodiment of the present invention is led to
The first temper is crossed, to reduce the fragility of stainless steel plate, reduces or eliminates its internal stress, improves its toughness, while appropriate drop
Its low hardness, so as to follow-up machining.
Specifically, the Rockwell hardness of the stainless steel plate after the first temper is 48-52HRC, preferably 50HRC.Wherein,
HRC is the hardness tried to achieve using 150kg load and diamond cone injector, the material higher for hardness, such as hardened steel.This hair
Bright embodiment thinks follow-up second vacuum by being defined as above to the Rockwell hardness of the stainless steel plate after the first temper
Quenching Treatment improves its hardness and prepared again.
In step 104, on the stainless steel plate after first time temper be used for prepare cutter blade sidepiece be and heat
Any sidepiece vertical with cold rolling direction is rolled, i.e. the sidepiece a Bian Wei represents the side of the stainless steel plate thickness.By to this
Sidepiece carries out the second vacuum hardening processing, further to improve the hardness of the sidepiece.
Specifically, what the second vacuum hardening processing included carrying out successively second heat, the second air cooling processing and the
Two subzero treatments.Wherein, second heat temperature be 1020-1070 DEG C, preferably 1055 DEG C, soaking time 18-
22min, preferably 20min.Second subzero treatment is segmentation cooling-down type subzero treatment, and concrete operation step is as follows：1) control is deep
Cold temperature is -45 DEG C to -35 DEG C, is preferably -40 DEG C, and keeps 18-22min in this temperature range, preferably 20min；2)
It is -85 DEG C to -75 DEG C to control cryogenic temperature, is preferably -80 DEG C, and keeps 28-32min in this temperature range, is preferably
30min；3) it is -115 DEG C to -120 DEG C to control cryogenic temperature, is preferably -120 DEG C, and keep 115- in this temperature range
125min, preferably 120min.The embodiment of the present invention is as defined above by being carried out to the sidepiece for being used as blade on stainless steel plate
Second subzero treatment, it is possible to increase the wearability and dimensional stability of the sidepiece, and ensure that its is non-breakable.
In step 105, the sidepiece after handling the second vacuum hardening carries out the second temper, obtains cutlery stainless steel
Plate.Wherein, the temperature of the second temper is 200-300 DEG C, preferably 250 DEG C, time 110-130min, is preferably
120min.By being defined as above to the temperature and time of the second tempering so that this is used for the sidepiece for the blade for preparing cutter
On the basis of the high rigidity and wearability after keeping the second vacuum hardening, its stress is reduced, further improves its toughness.
After the second temper, the Rockwell hardness of the sidepiece of the blade for preparing cutter is 54-58HRC, is preferably
56HRC.When knife edge part has above-mentioned Rockwell hardness, its can not only effective for divesting the insulated hull of insulated conductor, and
It is not easy to crack under low temperature environment.
Wherein, vacuum hardening processing is technological means commonly used in the art used by the embodiment of the present invention, and it mainly divides
Quenched two kinds for air quenching and liquid, and the typical media that liquid is quenched has water and oil.The embodiment of the present invention carries out first using oil as medium
Vacuum hardening handles and the second vacuum hardening processing, and it is because cooling velocity, through hardening diameter are small, so that stainless steel plate is not variable
Shape ftractures, therefore is applied to steel alloy and the carbon-steel parts of small size, and easy to operate, it is easy to accomplish mechanization.
Second aspect, the embodiments of the invention provide a kind of cutter, processes to obtain using cutlery stainless steel plate.The cutter
Characteristic with stainless steel plate, i.e. high rigidity, high tenacity, can effectively divest the insulated hull of insulated conductor, and and can prevents cutter
The fracture of itself.
The third aspect, the embodiments of the invention provide the method using cutlery stainless steel plate process tool, including：To knife
Tool carries out excision forming, polishing and polishing successively with stainless steel plate, obtains cutter.
Wherein, the structure that the cutter obtained by excision forming is carried out to cutlery stainless steel plate can be common each of ability
Kind structure, when the cutter for insulated hull peeler, preferably as shown in Figure 1, the cutter includes what is be sequentially connected with to its structure
Blade 1 and erecting bed 2, (can be understood as blade 1 in the plan view of its thickness direction is in isosceles three to 1 wedge shaped structure of blade
It is angular), the most thin top of its thickness is blade 101, is arranged on the bottom of blade 1 in the erecting bed 2 of cuboid structure, thereon
It is provided with multiple, such as 2 mounting holes 201.It is understood that blade and the preferably integrated structure of erecting bed.
The cutter of excision forming is polished and polishing is technological means commonly used in the art.Blade is entered to advance
One step is polished, and it is 0.5-1mm to make its thickness, and when facilitating the use the insulated hull that it divests insulated conductor, compression area is smaller, from
And when operating personnel use equal strength, the pressure that the insulated hull of insulated conductor is subject to is bigger, so as to be more easy to be stripped.And
Polishing is in order that the roughness of tool surface reduces, to obtain bright, even curface.
Further, this method also includes carrying out punching processing to cutter, to obtain mounting hole on the erecting bed 2 of cutter
201, in order to which Cutting tool installation manner is being insulated on peeler.The mounting hole 201 can be manhole, or this area is normal
Any hole, for example, according to the difference of geometric properties, it can be through hole, blind hole, shoulder hole, taper hole, according to geometry
Shape is different, and it can be circular hole, non-circular hole.The cutter and insulation peeler are attached by mounting hole 201.
The present invention will be further described through by specific embodiment.
Stainless steel plate employed in following examples is 3Cr13 martensitic stainless steels.
Embodiment 1
A kind of processing method of cutlery stainless steel plate is present embodiments provided, concrete operation step is as follows：
1) hot rolling is carried out to stainless steel plate, hot-rolled temperature is 1160 DEG C, and finishing temperature is 850 DEG C, then stainless steel plate is entered
Row cold-rolling treatment, the stainless steel plate pre-processed, its thickness are 1.9mm.
2) the first vacuum hardening processing is carried out to the stainless steel plate of pretreatment, the first vacuum hardening processing includes carrying out successively
First heat, the first air cooling processing and the first subzero treatment.First is carried out using Medium Frequency Induction Heating Furnace to heat,
Temperature is 900 DEG C, soaking time 18min, and the temperature of the first subzero treatment is -75 DEG C, time 25min.
3) stainless steel plate after handling the first vacuum hardening carries out the first temper, and the temperature of the first temper is
560 DEG C, time 55min, obtain the stainless steel plate that Rockwell hardness is 48HRC.
4) the stainless steel plate any sidepiece vertical with hot rolling and cold rolling direction is selected to be carried out as the blade as cutter
Second vacuum hardening is handled, and what the second vacuum hardening processing included carrying out successively second heat, the second air cooling processing and the
Two subzero treatments.Second temperature heated is 1020 DEG C, soaking time 18min.The processing of second air cooling cools down for normal temperature
To 20 DEG C.Second subzero treatment is segmentation cooling-down type subzero treatment, including：Control successively cryogenic temperature for -45 DEG C, -85 DEG C, -
115 DEG C, accordingly, it is 18min, 28min, 115min to control the deep cooling time successively.
5) sidepiece as blade after handling the second vacuum hardening carries out the second temper, the second temper
Temperature is 200 DEG C, time 110min, obtains cutlery stainless steel plate, and the Rockwell hardness of its sidepiece as blade is
54HRC。
Embodiment 2
A kind of processing method of cutlery stainless steel plate is present embodiments provided, concrete operation step is as follows：
1) hot rolling is carried out to stainless steel plate, hot-rolled temperature is 1160 DEG C, and finishing temperature is 850 DEG C, then stainless steel plate is entered
Row cold-rolling treatment, the stainless steel plate pre-processed, its thickness are 2.0mm.
2) the first vacuum hardening processing is carried out to the stainless steel plate of pretreatment, the first vacuum hardening processing includes carrying out successively
First heat, the first air cooling processing and the first subzero treatment.First is carried out using circulation meshbeltfurnace to heat, temperature
For 920 DEG C, soaking time 19min, the temperature of the first subzero treatment is -72 DEG C, time 28min.
3) stainless steel plate after handling the first vacuum hardening carries out the first temper, and the temperature of the first temper is
580 DEG C, time 58min, obtain the stainless steel plate that Rockwell hardness is 49HRC.
4) the stainless steel plate any sidepiece vertical with hot rolling and cold rolling direction is selected to be carried out as the blade as cutter
Second vacuum hardening is handled, and what the second vacuum hardening processing included carrying out successively second heat, the second air cooling processing and the
Two subzero treatments.Second temperature heated is 1035 DEG C, soaking time 19min.The processing of second air cooling cools down for normal temperature
To 20 DEG C.Second subzero treatment is segmentation cooling-down type subzero treatment, including：Control successively cryogenic temperature for -42 DEG C, -83 DEG C, -
113 DEG C, accordingly, it is 19min, 29min, 116min to control the deep cooling time successively.
5) sidepiece as blade after handling the second vacuum hardening carries out the second temper, the second temper
Temperature is 220 DEG C, time 115min, obtains cutlery stainless steel plate, and the Rockwell hardness of its sidepiece as blade is
55HRC。
Embodiment 3
A kind of processing method of cutlery stainless steel plate is present embodiments provided, concrete operation step is as follows：
1) hot rolling is carried out to stainless steel plate, hot-rolled temperature is 1160 DEG C, and finishing temperature is 850 DEG C, then stainless steel plate is entered
Row cold-rolling treatment, the stainless steel plate pre-processed, its thickness are 2.1mm.
2) the first vacuum hardening processing is carried out to the stainless steel plate of pretreatment, the first vacuum hardening processing includes carrying out successively
First heat, the first air cooling processing and the first subzero treatment.First is carried out using Medium Frequency Induction Heating Furnace to heat,
Temperature is 950 DEG C, soaking time 20min, and the temperature of the first subzero treatment is -70 DEG C, time 30min.
3) stainless steel plate after handling the first vacuum hardening carries out the first temper, and the temperature of the first temper is
650 DEG C, time 60min, obtain the stainless steel plate that Rockwell hardness is 50HRC.
4) the stainless steel plate any sidepiece vertical with hot rolling and cold rolling direction is selected to be carried out as the blade as cutter
Second vacuum hardening is handled, and what the second vacuum hardening processing included carrying out successively second heat, the second air cooling processing and the
Two subzero treatments.Second temperature heated is 1055 DEG C, soaking time 20min.The processing of second air cooling cools down for normal temperature
To 20 DEG C.Second subzero treatment is segmentation cooling-down type subzero treatment, including：Control successively cryogenic temperature for -40 DEG C, -80 DEG C, -
120 DEG C, accordingly, it is 20min, 30min, 120min to control the deep cooling time successively.
5) sidepiece as blade after handling the second vacuum hardening carries out the second temper, the second temper
Temperature is 250 DEG C, time 120min, obtains cutlery stainless steel plate, and the Rockwell hardness of its sidepiece as blade is
56HRC。
Embodiment 4
A kind of processing method of cutlery stainless steel plate is present embodiments provided, concrete operation step is as follows：
1) hot rolling is carried out to stainless steel plate, hot-rolled temperature is 1160 DEG C, and finishing temperature is 850 DEG C, then stainless steel plate is entered
Row cold-rolling treatment, the stainless steel plate pre-processed, its thickness are 2.3mm.
2) the first vacuum hardening processing is carried out to the stainless steel plate of pretreatment, the first vacuum hardening processing includes carrying out successively
First heat, the first air cooling processing and the first subzero treatment.First is carried out using circulation meshbeltfurnace to heat, temperature
For 1000 DEG C, soaking time 22min, the temperature of the first subzero treatment is -65 DEG C, time 35min.
3) stainless steel plate after handling the first vacuum hardening carries out the first temper, and the temperature of the first temper is
630 DEG C, time 65min, obtain the stainless steel plate that Rockwell hardness is 52HRC.
4) the stainless steel plate any sidepiece vertical with hot rolling and cold rolling direction is selected to be carried out as the blade as cutter
Second vacuum hardening is handled, and what the second vacuum hardening processing included carrying out successively second heat, the second air cooling processing and the
Two subzero treatments.Second temperature heated is 1070 DEG C, soaking time 22min.The processing of second air cooling cools down for normal temperature
To 20 DEG C.Second subzero treatment is segmentation cooling-down type subzero treatment, including：Control successively cryogenic temperature for -35 DEG C, -75 DEG C, -
120 DEG C, accordingly, it is 22min, 32min, 125min to control the deep cooling time successively.
5) sidepiece as blade after handling the second vacuum hardening carries out the second temper, the second temper
Temperature is 300 DEG C, time 130min, obtains cutlery stainless steel plate, and the Rockwell hardness of its sidepiece as blade is
55HRC。
Embodiment 5
The cutlery stainless steel plate process tool of the offer of embodiment 1- embodiments 4 is utilized respectively, concrete operation step is as follows：
1) cutlery stainless steel plate is cut, it is in cuboid-type to make it, and its a length of 50mm, a width of 40mm, thickness are
2mm.Wherein, the sidepiece that the stainless steel plate of above-mentioned cuboid-type is made up of broadside and webbing is used as the blade of cutter.
2) by stainless steel plate from being divided into the two of 30mm and 20mm along the direction of the length of stainless steel plate at blade at above-mentioned sidepiece
Individual cuboid, it is respectively intended to prepare blade 1 and erecting bed 2, forming processes is carried out to blade 1, make its view from thickness direction
In isosceles triangle, as shown in Figure 1.The thickness of blade 101 is 0.5-1mm.
3) to blade 1, erecting bed 2 is polished respectively and polishing.
4) electroporation is carried out to erecting bed 2, mounting hole 201 is obtained, so as to obtain the desired cutter of the present embodiment.
The hardness and toughness of the cutter provided the present embodiment measure, the results showed that, utilize embodiment 1- embodiments 4
The Rockwell hardness that the cutlery stainless steel plate of offer processes obtained cutter reaches 56HRC, and impact toughness reaches 100J/cm2。
By mounting hole 201, it is used for exhausted by each Cutting tool installation manner that the present embodiment is provided on insulated wire peeler
The insulated hull of edge wire carries out peeling processing, is shown using result, on the premise of each usage time is 20 minutes, this implementation
Each cutter that example provides can use at least 20000 times.In addition, in environment of the temperature less than subzero 10 DEG C, the present embodiment
Each cutter provided can use at least 720 times.In use, each cutter of the above easily can shell insulated hull
Remove, and there is no the phenomenon of fracture or wiredrawn edge.
Presently preferred embodiments of the present invention is the foregoing is only, the protection domain being not intended to limit the invention is all in this hair
Within bright spirit and principle, any modification, equivalent substitution and improvements made etc., protection scope of the present invention should be included in
Within.
Claims (10)
1. a kind of processing method of cutlery stainless steel plate, including：
Step a, hot rolling and cold-rolling treatment are carried out successively to stainless steel plate, the stainless steel plate pre-processed；
Step b, the first vacuum hardening processing is carried out to the stainless steel plate of the pretreatment, the first vacuum hardening processing includes
First carried out successively is heated, the first air cooling handles and the first subzero treatment；
Described first temperature heated is 900-1000 DEG C, soaking time 18-22min, first subzero treatment
Temperature is -75 DEG C to -65 DEG C, time 25-35min；
Step c, the stainless steel plate after handling the first vacuum hardening carries out the first temper, the temperature of first temper
Spend for 560-650 DEG C, time 55-65min；
Step d, the sidepiece progress second to being used to prepare the blade of cutter on the stainless steel plate after first temper is true
Empty Quenching Treatment, the second vacuum hardening processing include the second heating, the second air cooling processing and second carried out successively
Subzero treatment；
Described second temperature heated is 1020-1070 DEG C, soaking time 18-22min；Second subzero treatment is
Cooling-down type subzero treatment is segmented, including：Control successively cryogenic temperature for -45 DEG C to -35 DEG C, -85 DEG C to -75 DEG C, -115 DEG C extremely -
120 DEG C, accordingly, it is 18-22min, 28-32min, 115-125min to control the deep cooling time successively；
Step e, the sidepiece after handling second vacuum hardening carries out the second temper, obtains cutlery stainless steel
Plate, the temperature of second temper is 200-300 DEG C, time 110-130min.
2. according to the method for claim 1, it is characterised in that in the step a, the stainless steel plate is 3Cr13 geneva
Body stainless steel plate.
3. according to the method for claim 2, it is characterised in that the thickness of the stainless steel plate of the pretreatment is 1.9-
2.3mm。
4. according to the method for claim 1, it is characterised in that in the step b, the described first temperature heated is
950 DEG C, soaking time 20min；The temperature of first subzero treatment is -70 DEG C, time 30min.
5. according to the method for claim 1, it is characterised in that after first temper, the stainless steel plate
Rockwell hardness is 48-52HRC.
6. according to the method for claim 1, it is characterised in that in the step d, the described second temperature heated is
1055 DEG C, soaking time 20min；
During second subzero treatment, it is -40 DEG C, -80 DEG C, -120 DEG C to control cryogenic temperature successively, accordingly, is controlled successively
The deep cooling time processed is 20min, 30min, 120min.
7. according to the method for claim 1, it is characterised in that after second temper, the Rockwell of the sidepiece
Hardness is 54-58HRC.
8. a kind of cutter, the cutlery stainless steel plate obtained using method any one of claim 1-7 is processed to obtain.
9. the method for the cutlery stainless steel plate process tool obtained using method any one of claim 1-7, including：
Excision forming, polishing and polishing are carried out successively to the cutlery stainless steel plate that method any one of claim 1-7 obtains
Processing, obtains the cutter.
10. according to the method for claim 9, it is characterised in that methods described also includes carrying out at punching the cutter
Reason, to obtain mounting hole on the cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510446237.7A CN106381376B (en) | 2015-07-27 | 2015-07-27 | Machining method of stainless steel plate for cutter, cutter and machining method of cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510446237.7A CN106381376B (en) | 2015-07-27 | 2015-07-27 | Machining method of stainless steel plate for cutter, cutter and machining method of cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106381376A CN106381376A (en) | 2017-02-08 |
| CN106381376B true CN106381376B (en) | 2018-04-03 |
Family
ID=57915998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510446237.7A Active CN106381376B (en) | 2015-07-27 | 2015-07-27 | Machining method of stainless steel plate for cutter, cutter and machining method of cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106381376B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480942A (en) * | 2018-04-02 | 2018-09-04 | 冯仕敏 | A kind of plum knife processing technology |
| CN109504839A (en) * | 2019-01-08 | 2019-03-22 | 苏州腾凯金属材料有限公司 | A kind of tempering method for treating of SKD11 cutter |
| CN111979389B (en) * | 2020-09-21 | 2021-07-09 | 上海交通大学 | Ferrite low-temperature steel forging and low-temperature deep cooling preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001068933A2 (en) * | 2000-03-14 | 2001-09-20 | The Timken Company | High performance carburizing stainless steel for high temperature use |
| CN101693943A (en) * | 2009-10-13 | 2010-04-14 | 上海电机学院 | High speed steel tool heat treatment method |
| CN102016083A (en) * | 2008-02-20 | 2011-04-13 | 奎斯泰克创新公司 | Lower-cost, ultra-high-strength, high-toughness steel |
| CN102126119A (en) * | 2011-03-25 | 2011-07-20 | 重庆大足永红厨业有限公司 | Method for making kitchen knife |
-
2015
- 2015-07-27 CN CN201510446237.7A patent/CN106381376B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001068933A2 (en) * | 2000-03-14 | 2001-09-20 | The Timken Company | High performance carburizing stainless steel for high temperature use |
| CN102016083A (en) * | 2008-02-20 | 2011-04-13 | 奎斯泰克创新公司 | Lower-cost, ultra-high-strength, high-toughness steel |
| CN101693943A (en) * | 2009-10-13 | 2010-04-14 | 上海电机学院 | High speed steel tool heat treatment method |
| CN102126119A (en) * | 2011-03-25 | 2011-07-20 | 重庆大足永红厨业有限公司 | Method for making kitchen knife |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106381376A (en) | 2017-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102248189B (en) | Blade formed by the integrate strip of high carbon steel | |
| CN100563912C (en) | Big linear diameter spring cold coiling processing technics | |
| CN105441789B (en) | Large circular knife and manufacturing method thereof | |
| CN103397159B (en) | Cut the production technique of rotary knife | |
| CN105689613B (en) | A kind of extraordinary forging method suitable for super-duplex stainless steel bar | |
| CN106381376B (en) | Machining method of stainless steel plate for cutter, cutter and machining method of cutter | |
| CN106964948A (en) | A kind of processing technology of marine gear | |
| CN110257617B (en) | Forging and heat treatment method of large-size 20SiMn main shaft | |
| CN103397267A (en) | Cold roll for rolling lithium battery guard plate and manufacturing method thereof | |
| CN103639676B (en) | A kind of crescent-moon scissors slice processing method with high-wearing feature and strong impact resistance | |
| CN102230062A (en) | Heat treatment process for improving strength and toughness of 9SiCr die steel | |
| CN101660036B (en) | Heat treating method of high strength and high ductility steel tube | |
| CN103317319B (en) | Material is the production and processing method that Cr12Mo1V1 digs that limit is cut | |
| CN103642996A (en) | Manufacturing method and thermal treatment method of alloy steel forge piece | |
| CN106906428A (en) | A kind of conveyer belt hard state austenitic stainless steel and its manufacture method and application | |
| CN102126007B (en) | Method for manufacturing compound blade of agricultural harvester | |
| CN112680663A (en) | 9% Ni steel oversized rotor forging for ultralow temperature engineering and preparation method thereof | |
| CN102796958B (en) | Alloy designed steel mechanical blade for preventing network carbide on CrWMn steel from being separated out | |
| CN106736321A (en) | A kind of 20Cr cam cuttings technique | |
| CN107904845A (en) | A kind of bed plate and its processing technology of shearing machine of weaving | |
| CN110695123A (en) | Preparation process of duplex stainless steel medium plate | |
| CN109022738B (en) | Preparation method of low-temperature impact resistant CrMo alloy steel forged circle | |
| CN103789688A (en) | Heat treatment method of cold work die steel used for blanking die | |
| CN105925774B (en) | The special cold-rolled strip S355MC Technologies for Heating Processing of a kind of gearbox, transfer case housing | |
| CN105671274A (en) | Heat treatment technique for die steel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |