CN102974992A - Processing method of tool apron with locking device - Google Patents
Processing method of tool apron with locking device Download PDFInfo
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- CN102974992A CN102974992A CN2012105712751A CN201210571275A CN102974992A CN 102974992 A CN102974992 A CN 102974992A CN 2012105712751 A CN2012105712751 A CN 2012105712751A CN 201210571275 A CN201210571275 A CN 201210571275A CN 102974992 A CN102974992 A CN 102974992A
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Abstract
The invention discloses a processing method of a tool apron with a locking device, belonging to the technical field of tool apron processing. The method comprises the following steps: (1) the preparation of raw materials of the tool apron; (2) the annealing treatment of forging blank, wherein the annealing temperature is 780-840 DEG C, and the annealing time is 4-6 hours; (3) the rough processing of forging blank; (4) the heat treatment of the tool apron: heating to 830 DEG C within 20 minutes, quenching after 45 minutes of heat preservation, wherein a quenching medium is No. 2 quenching oil, and then tempering for two times under the temperature of 450-480 DEG C; and (5) the deep processing of the tool apron: cutting gaps and circular arc segments with a wire cutting method, and blackening the tool apron. In the processing, the locking device is formed, the tool apron can still be firmly locked on a cutter shaft not to loosen when the cutter shaft rotates at a high speed, the requirement that the face runout value of the tool apron is controlled within 0.002 mm is achieved, and the demand that users cut metal plates such as high-precision aluminum plates, stainless steel plates, silicon steel plates and the like is met.
Description
Technical field
The present invention relates to the tool rest processing technique field, more particularly, relate to a kind of tool rest processing method that carries locking device.
Background technology
The sheet metal banding machine relies on roller shears to roll at sheet material, finishes the endless shear action to sheet material.The sheet metal banding machine is used for vertical roller shear of common metal sheet material, aluminium sheet, corrosion resistant plate, silicon steel plate etc.Roller shears is widely used in the industries such as space flight and aviation, automobile making, mining machinery, five metals manufacturing, household electrical appliances.When cutting, the rotation of roller shears relies on the tool rest that is locked on the cutter shaft to drive.Tool rest can be fastened on the cutter shaft and tool rest fastening after whether beat be directly connected to shear after the quality of material.Generally speaking, tool rest is fastened on the cutter shaft, when the end face run-out of detection tool rest surpasses 0.01mm, will cause the mutually overlapping collision of discontinuity in the High Rotation Speed process of upper and lower blade, causes the blade chipping.
In the existing tool rest production technology, the locking of tool rest relies on the pin key locking that is assemblied on the cutter shaft, as shown in Figure 1, in addition, China Patent No. ZL201020050405.3, Granted publication day is on November 24th, 2010, invention and created name is: hard alloy double-bond rolling scissors, this application case comprises cutter hub, and described cutter hub is loop configuration, and the outer ring of cutter hub is blade, the central authorities of cutter hub are the circular mounting hole, the inner ring of cutter hub is provided with the R key of indent, and the R key of indent has two, is symmetrically distributed on the inner ring of cutter hub.In addition, China Patent No. ZL201120162794.3, Granted publication day is on January 25th, 2012, invention and created name is: roller shears, the blade that this application case comprises tool matrix and is engaged in the tool matrix periphery is provided with the keeper that prevents that blade from coming off between tool matrix and blade.The technical scheme of the tool rest that prior art is commonly used and two above-mentioned patents all adopts the mode of pin key locking, and its weak point is to be difficult to tool rest is fastened on the cutter shaft, causes the end face run-out value of tool rest larger, and it is low to cut precision.
For guarantee that tool rest does not produce beat afterwards in assembling as far as possible, the general method of the fit clearance of dwindling tool rest endoporus and cutter shaft that adopts of cutter manufacturer is finished, but, when the fit clearance of tool rest endoporus and cutter shaft is reduced into 0 ~ 0.02mm, will causes and be difficult to assembling and dismounting between the two.And after adopting this method that tool rest is locked at cutter shaft, end surface of knife holder is beated and is difficult to be controlled within the 0.01mm, cause rolling shearing blade when cutting, easily to cause the discontinuity collision when High Rotation Speed of upper and lower cutter, affect the service life of roller shears, and can't realize cutting the requirement of high-precision metal sheet material.
By patent retrieval, existing related art scheme is open in the prior art.As, China Patent No. ZL91220590.3, Granted publication day is on April 22nd, 1992, invention and created name is: closed compressing slitting roller, and this application case relates to a kind of closed compressing slitting roller, mainly is made of cutter hub and blade two large parts, slit at one group of hole of cutter hub processing and connect apertures, make cutter hub itself directly form elastic press, by to the elastic press application of force, play that roller shears is fastened to effect on the cutter shaft.This roller shears has improved machining accuracy to a certain extent, but only adopted the slit to make up the mode of elastic press, be controlled in the 0.01mm so that the end surface of knife holder jitter values is difficult to long-term stability, machining accuracy is still lower, remain to be further improved, and its processing method is not yet disclosed.
Summary of the invention
The technical problem that invention will solve
The object of the invention is to overcome the difficult locking of tool rest and the rear beat phenomenon that produces easily of locking in the prior art, and the lower problem of precision of cutting of tool rest, a kind of tool rest processing method that carries locking device is provided, adopt method of the present invention, tool rest is quick detachable on cutter shaft, and tool rest can be locked on the cutter shaft, and the end surface of knife holder jitter values only is 0.002mm.
Technical scheme
For achieving the above object, technical scheme provided by the invention is:
A kind of tool rest processing method that carries locking device of the present invention the steps include:
(1) raw material of tool rest are prepared:
Tool rest adopts rough forging to make, and the components based on weight percentage of this rough forging is: C:0.63 ~ 0.65%, Si:0.19 ~ 0.22%, Mn:0.98 ~ 1.1%, S :≤0.01%, P :≤0.014%, Cr :≤0.2%, Ni :≤0.02%, Cu :≤0.05%, all the other are Fe;
(2) annealing in process of rough forging:
The annealed stove of rough forging in the step (1) is annealed to it, and its annealing temperature is 780 ~ 840 ℃, and annealing time is 4 ~ 6 hours, with the stove cooling, so that the hardness HB of rough forging≤228;
(3) roughing of rough forging:
After step (2) annealing in process, rough forging is made the workpiece that leaves allowance for finish, its rough machined step is:
1. car endoporus φ 99 ± 0.10mm, and car internal bore groove and chamfering;
2. lathe tool seat two side planes 29.8 ± 0.10mm, and car boss φ 120.7 ± 0.10mm and car escape;
3. turning φ 149 ± 0.10mm and chamfering;
4. collude line φ 135 ± 0.10mm;
5. line and bore 6 φ 5mm holes colluding the line place, these 6 φ 5mm holes are distributed in the tool rest circumferencial direction, bore the wire hole of 1 φ 4mm, bore the cylindrical hole of 1 φ 10mm, and from the locking hole of 1 φ 12mm of the inside round bur of cylindrical, intersect above-mentioned cylindrical hole axis and locking hole axis, and vertical;
6. tapping is carried out in 6 above-mentioned φ 5mm holes and the locking hole of 1 φ 12mm;
(4) heat treatment of tool rest:
To be heated to 830 ℃ in 20 minutes through the rough machined tool rest of step (3), and be incubated after 45 minutes and quench, hardening media is the 2# quenching oil, then carries out double tempering under 450 ~ 480 ℃ of temperature, so that the hardness of tool rest is HRC43 ~ 45;
(5) deep processing of tool rest:
Through the heat treated tool rest of step (4), further deep processing, its deep processing step is:
1. finish grind tool rest two side planes to 29 ± 0.02mm;
2. adopt method cutting slit and the arc section of line cutting to be shaped, wherein: the origin or beginning in slit is wire hole, and cylindrical hole is passed at the middle part in slit, and the terminal in slit is cut at tool rest endoporus place; The position of arc section is positioned at the opposite of cylindrical hole, and this arc section is connected in the endoporus of tool rest;
3. tool rest blackening process: after the line cutting, tool rest is through the oil removing ungrease treatment, then carrying out variable color in the mixed solution of NaOH, natrium nitrosum, sodium nitrate and water processes, wherein: the mass ratio of NaOH, natrium nitrosum, sodium nitrate, water is 15: 3 ~ 5: 1: 20, the temperature of mixed solution is 120 ~ 135 ℃, and the time that variable color is processed is 15 ~ 25 minutes; Take out and carry out Passivation Treatment after tool rest washes with clear water, as filling liquid, the mass concentration of potassium bichromate solution is 12% ~ 18% to Passivation Treatment with potassium bichromate solution, and at room temperature Passivation Treatment is 1 ~ 2 minute; After Passivation Treatment and drying, put into temperature and be 105 ~ 120 ℃ machine oil or antirust oil and soak after 1 ~ 3 minute and take out, park the blackening process of namely having finished after 10 ~ 15 minutes tool rest;
4. with screw the slit cut-off part is ejected 0.10 ~ 0.20mm to endoporus, mill endoporus φ 100
+ 0.02 + 0.03Mm;
5. multifilament being carried out in the hole of 6 φ 5mm processes.
Preferably, the components based on weight percentage of rough forging is in the step (1): C:0.64%, and Si:0.20%, Mn:1.03%, S:0.01%, P:0.012%, Cr:0.15%, Ni:0.02%, Cu:0.04%, all the other are Fe.
Preferably, the annealing temperature in step (2) annealing in process is 810 ℃, and annealing time is 5 hours.
Preferably, in the deep processing of step (5) tool rest, its tool rest blackening process: tool rest is through the oil removing ungrease treatment, then carrying out variable color in the mixed solution of NaOH, natrium nitrosum, sodium nitrate and water processes, wherein: the mass ratio of NaOH, natrium nitrosum, sodium nitrate, water is 15: 4: 1: 20, the temperature of mixed solution is 128 ℃, and the time that variable color is processed is 20 minutes; Take out and carry out Passivation Treatment after tool rest washes with clear water, as filling liquid, the mass concentration of potassium bichromate solution is 15% to Passivation Treatment with potassium bichromate solution, and at room temperature Passivation Treatment is 2 minutes; After Passivation Treatment and drying, put into temperature and be 112 ℃ machine oil or antirust oil and soak after 2 minutes and take out, park the blackening process of namely having finished after 13 minutes tool rest.
Preferably, in the deep processing of step (5) tool rest, when adopting the method cutting arc shape work piece section of line cutting, the radius of arc section is 35mm, and the arc chord angle of this arc section is 90 °.
Beneficial effect
Adopt technical scheme provided by the invention, compare with existing known technology, have following remarkable result:
(1) a kind of tool rest processing method that carries locking device of the present invention, in process, formed locking device, this locking device mainly comprises slit and arc section, wherein the origin or beginning in slit is wire hole, cylindrical hole is passed at the middle part in slit, the terminal in slit is cut at tool rest endoporus place, driving section place, slit by the screw in the locking hole locks to the endoporus place, in conjunction with arc section, so that when locking, tool rest endoporus 3/4 above area and cutter shaft interference fit have guaranteed that cutter shaft is when High Rotation Speed, tool rest still can be locked at firmly on the cutter shaft and can not become flexible, and has reached the friction tight effect of tool rest and cutter shaft;
(2) a kind of tool rest processing method that carries locking device of the present invention, its tool rest adopts selected material preparation, processed in conjunction with specific heat treatment mode, and to the tool rest blackening process, guaranteed that the end surface of knife holder jitter values has been controlled within the 0.002mm, has reached the leading level in the world, satisfied the requirement that the user cuts the sheet metals such as high accuracy aluminium sheet, corrosion resistant plate, silicon steel plate, prolong the service life of blade, for the user has saved cost, improved production efficiency.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of tool rest in the prior art;
Fig. 2 is the tool rest master TV structure schematic diagram that the present invention prepares;
Fig. 3 is the A-A generalized section of Fig. 2.
Label declaration in the schematic diagram: 1, wire hole; 2, cylindrical hole; 3, locking hole; 4, slit; 5, arc section.
The specific embodiment
For further understanding content of the present invention, in conjunction with the accompanying drawings and embodiments the present invention is described in detail.
Embodiment 1
A kind of tool rest processing method that carries locking device of present embodiment, its concrete procedure of processing is as follows:
(1) raw material of tool rest are prepared:
Tool rest adopts rough forging to make, and the components based on weight percentage of the rough forging that the present invention adopts is: C:0.63 ~ 0.65%, Si:0.19 ~ 0.22%, Mn:0.98 ~ 1.1%, S :≤0.01%, P :≤0.014%, Cr :≤0.2%, Ni :≤0.02%, Cu :≤0.05%, all the other are Fe.The components based on weight percentage of the rough forging in the present embodiment is: C:0.64%, and Si:0.20%, Mn:1.03%, S:0.01%, P:0.012%, Cr:0.15%, Ni:0.02%, Cu:0.04%, all the other are Fe;
(2) annealing in process of rough forging:
The annealed stove of rough forging in the step (1) is annealed to it, to reduce hardness, to change machinability, its annealing temperature is 810 ℃, and annealing time is 5 hours, with the stove cooling, the hardness of the rough forging of present embodiment after annealing in process is HB 225;
(3) roughing of rough forging:
After step (2) annealing in process, rough forging is made the workpiece that leaves allowance for finish, its rough machined step is:
1. car endoporus φ 99 ± 0.10mm, and car internal bore groove and chamfering;
2. lathe tool seat two side planes 29.8 ± 0.10mm, and car boss φ 120.7 ± 0.10mm and car escape;
3. turning φ 149 ± 0.10mm and chamfering;
4. collude line φ 135 ± 0.10mm;
5. line and bore 6 φ 5mm holes colluding the line place, these 6 φ 5mm holes are distributed in the tool rest circumferencial direction, bore the wire hole 1 of 1 φ 4mm, bore the cylindrical hole 2 of 1 φ 10mm, and from the locking hole 3 of 1 φ 12mm of the inside round bur of cylindrical, above-mentioned cylindrical hole 2 axis are intersected with locking hole 3 axis and are vertical, as shown in Figures 2 and 3;
6. tapping is carried out in the locking hole 3 of 6 above-mentioned φ 5mm holes and 1 φ 12mm;
(4) heat treatment of tool rest:
Will be through the rough machined tool rest of step (3), in 20 minutes, be heated to 830 ℃, be incubated after 45 minutes and quench, hardening media is the 2# quenching oil, quenching oil in the present embodiment can use the 2# conventional quenching oil, then carry out double tempering under 465 ℃ of temperature, so that the hardness of tool rest is HRC43 ~ 45, hardness is HRC44 after the tool rest heat treatment of present embodiment;
(5) deep processing of tool rest:
Through the heat treated tool rest of step (4), further deep processing, its deep processing step is:
1. finish grind tool rest two side planes to 29 ± 0.02mm;
2. adopt method cutting slit 4 and the arc section 5 of line cutting to be shaped, wherein: the origin or beginning in slit 4 is wire holes 1, wears silk when this wire hole 1 is used for the line cutting and uses, and cylindrical hole 2 is passed at the middle part in slit 4, and the terminal in slit 4 is cut at tool rest endoporus place; The position of arc section 5 is positioned at the opposite of cylindrical hole 2, this arc section 5 is connected in the endoporus of tool rest, the radius R of arc section 5 is 35mm in the present embodiment, the arc chord angle of this arc section 5 is 90 °, in the present invention, the radius of arc section 5 and the diameter proportion of endoporus have material impact to the locking effect, and the applicant finds, when the ratio of the diameter of the radius of arc section 5 and endoporus was 35:100, locking effect was best;
3. tool rest blackening process: after the line cutting, tool rest is through the oil removing ungrease treatment, then carrying out variable color in the mixed solution of NaOH, natrium nitrosum, sodium nitrate and water processes, wherein: the mass ratio of NaOH, natrium nitrosum, sodium nitrate, water is 15: 4: 1: 20, the temperature of mixed solution is 128 ℃, and the time that variable color is processed is 20 minutes; Take out and carry out Passivation Treatment after tool rest washes with clear water, as filling liquid, the mass concentration of potassium bichromate solution is 15% to Passivation Treatment with potassium bichromate solution, and at room temperature Passivation Treatment is 2 minutes; After Passivation Treatment and drying, machine oil or the antirust oil of putting into temperature and be 112 ℃ soaked after 2 minutes, to the bubble complete obiteration, take out, park the blackening process of namely having finished after 13 minutes tool rest, the tool rest color and luster is glossy black and reached well rust-proof effect, what deserves to be explained is, the applicant is according to the material properties of rough forging, and the concrete instructions for use of combination, has selected this specific blackening processing technology, so that rust-proof effect is best, so that tool rest of the present invention still can guarantee the end surface of knife holder jitter values in 0.002mm after long-time the use, if other PROCESS FOR TREATMENT in the employing prior art, after long-time the use, its precision can't guarantee;
4. with screw slit 4 cut-off parts are ejected 0.15mm to endoporus, mill endoporus φ 100
+ 0.02 + 0.03Mm;
5. multifilament being carried out in the hole of 6 φ 5mm processes.
A kind of tool rest processing method that carries locking device of present embodiment, its concrete procedure of processing is with embodiment 1, and difference is:
The components based on weight percentage of the rough forging of tool rest is in the step (1): C:0.63%, and Si:0.22%, Mn:0.98%, S:0.01%, P:0.012%, Cr:0.19%, Ni:0.02%, Cu:0.05%, all the other are Fe;
Annealing temperature is 780 ℃ in the step (2), and annealing time is 6 hours;
In the heat treatment of step (4) tool rest, be heated to 830 ℃ in 20 minutes, be incubated after 45 minutes and quench, hardening media is the 2# quenching oil, then carries out double tempering under 450 ℃ of temperature, and the tool rest hardness that obtains is HRC45;
Tool rest blackening process in the step (5): after the line cutting, tool rest is through the oil removing ungrease treatment, then carrying out variable color in the mixed solution of NaOH, natrium nitrosum, sodium nitrate and water processes, wherein: the mass ratio of NaOH, natrium nitrosum, sodium nitrate, water is 15: 3: 1: 20, the temperature of mixed solution is 135 ℃, and the time that variable color is processed is 15 minutes; Take out and carry out Passivation Treatment after tool rest washes with clear water, as filling liquid, the mass concentration of potassium bichromate solution is 18% to Passivation Treatment with potassium bichromate solution, and at room temperature Passivation Treatment is 1 minute; After Passivation Treatment and drying, put into temperature and be 120 ℃ machine oil or antirust oil and soak after 1 minute and take out, park the blackening process of namely having finished after 15 minutes tool rest.
A kind of tool rest processing method that carries locking device of present embodiment, its concrete procedure of processing is with embodiment 1, and difference is:
The components based on weight percentage of the rough forging of tool rest is in the step (1): C:0.65%, and Si:0.19%, Mn:1.1%, S:0.009%, P:0.014%, Cr:0.2%, Ni:0.017%, Cu:0.046%, all the other are Fe;
Annealing temperature is 840 ℃ in the step (2), and annealing time is 4 hours;
In the heat treatment of step (4) tool rest, be heated to 830 ℃ in 20 minutes, be incubated after 45 minutes and quench, hardening media is the 2# quenching oil, then carries out double tempering under 480 ℃ of temperature, and the tool rest hardness that obtains is HRC43;
Tool rest blackening process in the step (5): after the line cutting, tool rest is through the oil removing ungrease treatment, then carrying out variable color in the mixed solution of NaOH, natrium nitrosum, sodium nitrate and water processes, wherein: the mass ratio of NaOH, natrium nitrosum, sodium nitrate, water is 15: 5: 1: 20, the temperature of mixed solution is 120 ℃, and the time that variable color is processed is 25 minutes; Take out and carry out Passivation Treatment after tool rest washes with clear water, as filling liquid, the mass concentration of potassium bichromate solution is 12% to Passivation Treatment with potassium bichromate solution, and at room temperature Passivation Treatment is 1.5 minutes; After Passivation Treatment and drying, put into temperature and be 105 ℃ machine oil or antirust oil and soak after 3 minutes and take out, park the blackening process of namely having finished after 10 minutes tool rest.
A kind of tool rest processing method that carries locking device among the embodiment 1 ~ 3, clever thought is wonderful to be thought, relies on pin key locking to be improved to tool rest original tool rest and carries locking device (as shown in Figures 2 and 3).After the present invention improved, tool rest was designed to carry locking device, and this locking device mainly comprises slit 4 and arc section 5.Being configured to of slit 4 wherein: cut one section circular-arc slit 4 near the position of endoporus at tool rest, slit 4 origin or beginnings are φ 4mm wire holes 1, slit 4 terminals are cut at tool rest endoporus place, 4 middle parts, slit are the cylindrical hole 2 of φ 10mm with a diameter, bore the locking hole 3 of attacking φ 12mm in tool rest cylindrical and cylindrical hole 2 relative positions, when tool rest and cutter shaft assembling, screw with φ 12mm holds out against the straight pin that passes cylindrical hole 2, slit 4 cut-off parts have reached the friction tight effect of tool rest and cutter shaft to the locking of endoporus place.Being configured to of arc section 5: in Fig. 2, one section arc section 5 that is connected to endoporus is cut on cylindrical hole 2 opposites, because the design of arc section 5, so that when slit 4 cut-off parts are locked to the endoporus place, tool rest endoporus 3/4 above area and cutter shaft interference fit, guaranteed cutter shaft when High Rotation Speed, tool rest still can be locked at firmly on the cutter shaft and can not become flexible.And then guaranteed that end surface of knife holder is beated and be controlled within the 0.002mm, reached the leading level in the world, satisfied the requirement that the user cuts the sheet metals such as high accuracy aluminium sheet, corrosion resistant plate, silicon steel plate, and Technology for Heating Processing of the present invention, so that tool rest of the present invention still can guarantee the end surface of knife holder jitter values in 0.002mm after long-time the use, if other PROCESS FOR TREATMENT in the employing prior art, after long-time the use, its precision is difficult to guarantee.
Below schematically the present invention and embodiment thereof are described, this description does not have restricted, and shown in the accompanying drawing also is one of embodiments of the present invention, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that does not break away from the invention aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection scope of the present invention.
Claims (5)
1. a tool rest processing method that carries locking device the steps include:
(1) raw material of tool rest are prepared:
Tool rest adopts rough forging to make, and the components based on weight percentage of this rough forging is: C:0.63 ~ 0.65%, Si:0.19 ~ 0.22%, Mn:0.98 ~ 1.1%, S :≤0.01%, P :≤0.014%, Cr :≤0.2%, Ni :≤0.02%, Cu :≤0.05%, all the other are Fe;
(2) annealing in process of rough forging:
The annealed stove of rough forging in the step (1) is annealed to it, and its annealing temperature is 780 ~ 840 ℃, and annealing time is 4 ~ 6 hours, cools off with stove;
(3) roughing of rough forging:
After step (2) annealing in process, rough forging is made the workpiece that leaves allowance for finish, its rough machined step is:
1. car endoporus φ 99 ± 0.10mm, and car internal bore groove and chamfering;
2. lathe tool seat two side planes 29.8 ± 0.10mm, and car boss φ 120.7 ± 0.10mm and car escape;
3. turning φ 149 ± 0.10mm and chamfering;
4. collude line φ 135 ± 0.10mm;
5. line and bore 6 φ 5mm holes colluding the line place, these 6 φ 5mm holes are distributed in the tool rest circumferencial direction, bore the wire hole of 1 φ 4mm, bore the cylindrical hole of 1 φ 10mm, and from the locking hole of 1 φ 12mm of the inside round bur of cylindrical, intersect above-mentioned cylindrical hole axis and locking hole axis, and vertical;
6. tapping is carried out in 6 above-mentioned φ 5mm holes and the locking hole of 1 φ 12mm;
(4) heat treatment of tool rest:
To be heated to 830 ℃ in 20 minutes through the rough machined tool rest of step (3), and be incubated after 45 minutes and quench, hardening media is the 2# quenching oil, then carries out double tempering under 450 ~ 480 ℃ of temperature;
(5) deep processing of tool rest:
Through the heat treated tool rest of step (4), further deep processing, its deep processing step is:
1. finish grind tool rest two side planes to 29 ± 0.02mm;
2. adopt method cutting slit and the arc section of line cutting to be shaped, wherein: the origin or beginning in slit is wire hole, and cylindrical hole is passed at the middle part in slit, and the terminal in slit is cut at tool rest endoporus place; The position of arc section is positioned at the opposite of cylindrical hole, and this arc section is connected in the endoporus of tool rest;
3. tool rest blackening process: after the line cutting, tool rest is through the oil removing ungrease treatment, then carrying out variable color in the mixed solution of NaOH, natrium nitrosum, sodium nitrate and water processes, wherein: the mass ratio of NaOH, natrium nitrosum, sodium nitrate, water is 15: 3 ~ 5: 1: 20, the temperature of mixed solution is 120 ~ 135 ℃, and the time that variable color is processed is 15 ~ 25 minutes; Take out and carry out Passivation Treatment after tool rest washes with clear water, as filling liquid, the mass concentration of potassium bichromate solution is 12% ~ 18% to Passivation Treatment with potassium bichromate solution, and at room temperature Passivation Treatment is 1 ~ 2 minute; After Passivation Treatment and drying, put into temperature and be 105 ~ 120 ℃ machine oil or antirust oil and soak after 1 ~ 3 minute and take out, park the blackening process of namely having finished after 10 ~ 15 minutes tool rest;
4. with screw the slit cut-off part is ejected 0.10 ~ 0.20mm to endoporus, mill endoporus φ 100
+ 0.02 + 0.03Mm;
5. multifilament being carried out in the hole of 6 φ 5mm processes.
2. a kind of tool rest processing method that carries locking device according to claim 1, it is characterized in that: the components based on weight percentage of rough forging is in the step (1): C:0.64%, Si:0.20%, Mn:1.03%, S:0.01%, P:0.012%, Cr:0.15%, Ni:0.02%, Cu:0.04%, all the other are Fe.
3. a kind of tool rest processing method that carries locking device according to claim 2, it is characterized in that: the annealing temperature in step (2) annealing in process is 810 ℃, and annealing time is 5 hours.
4. according to claim 1 or 3 described a kind of tool rest processing methods that carry locking device, it is characterized in that: in the deep processing of step (5) tool rest, its tool rest blackening process: tool rest is through the oil removing ungrease treatment, then carrying out variable color in the mixed solution of NaOH, natrium nitrosum, sodium nitrate and water processes, wherein: the mass ratio of NaOH, natrium nitrosum, sodium nitrate, water is 15: 4: 1: 20, the temperature of mixed solution is 128 ℃, and the time that variable color is processed is 20 minutes; Take out and carry out Passivation Treatment after tool rest washes with clear water, as filling liquid, the mass concentration of potassium bichromate solution is 15% to Passivation Treatment with potassium bichromate solution, and at room temperature Passivation Treatment is 2 minutes; After Passivation Treatment and drying, put into temperature and be 112 ℃ machine oil or antirust oil and soak after 2 minutes and take out, park the blackening process of namely having finished after 13 minutes tool rest.
5. a kind of tool rest processing method that carries locking device according to claim 4, it is characterized in that: in the deep processing of step (5) tool rest, when adopting the method cutting arc shape work piece section of line cutting, the radius of arc section is 35mm, and the arc chord angle of this arc section is 90 °.
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| CN104015001A (en) * | 2014-06-12 | 2014-09-03 | 靖江市顺达模具厂 | Method for machining tool apron |
| CN104259782A (en) * | 2014-09-20 | 2015-01-07 | 无锡市翱宇特新科技发展有限公司 | Shield machine cutter holder manufacturing method |
| CN104400358A (en) * | 2014-11-24 | 2015-03-11 | 马鞍山市恒利达机械刀片有限公司 | Machining method of mechanical quick-changing aluminum ingot dual-milling combined tool apron |
| CN107604351A (en) * | 2017-09-26 | 2018-01-19 | 广东工业大学 | A kind of carbon steel surface treatment method |
| CN108098894A (en) * | 2017-12-19 | 2018-06-01 | 安徽华天机械股份有限公司 | A kind of self-locking cutting cutting disc tool apron and its processing method |
| CN108127710A (en) * | 2017-12-19 | 2018-06-08 | 安徽华天机械股份有限公司 | A kind of self-locking cutting cutting disc is cut and its processing method |
| CN109202545A (en) * | 2018-09-18 | 2019-01-15 | 无锡雅兰特精密科技有限公司 | The method of disposable intracavitary sleeve surface processing |
| CN113930673A (en) * | 2021-09-10 | 2022-01-14 | 河钢股份有限公司承德分公司 | Steel for air knife baffle and preparation method thereof |
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| CN104015001A (en) * | 2014-06-12 | 2014-09-03 | 靖江市顺达模具厂 | Method for machining tool apron |
| CN104259782A (en) * | 2014-09-20 | 2015-01-07 | 无锡市翱宇特新科技发展有限公司 | Shield machine cutter holder manufacturing method |
| CN104400358A (en) * | 2014-11-24 | 2015-03-11 | 马鞍山市恒利达机械刀片有限公司 | Machining method of mechanical quick-changing aluminum ingot dual-milling combined tool apron |
| CN104400358B (en) * | 2014-11-24 | 2017-08-11 | 马鞍山市恒利达机械刀片有限公司 | The processing method that tool rest is combined in a kind of double millings of mechanical quick-replaceable type aluminium ingot |
| CN107604351A (en) * | 2017-09-26 | 2018-01-19 | 广东工业大学 | A kind of carbon steel surface treatment method |
| CN107604351B (en) * | 2017-09-26 | 2019-11-08 | 广东工业大学 | A kind of carbon steel surface treatment method |
| CN108098894A (en) * | 2017-12-19 | 2018-06-01 | 安徽华天机械股份有限公司 | A kind of self-locking cutting cutting disc tool apron and its processing method |
| CN108127710A (en) * | 2017-12-19 | 2018-06-08 | 安徽华天机械股份有限公司 | A kind of self-locking cutting cutting disc is cut and its processing method |
| CN108098894B (en) * | 2017-12-19 | 2020-05-05 | 安徽华天机械股份有限公司 | Self-locking type slitting cutter disc holder and machining method thereof |
| CN108127710B (en) * | 2017-12-19 | 2020-05-05 | 安徽华天机械股份有限公司 | Self-locking type lower cutter of slitting cutting disc cutter and machining method thereof |
| CN109202545A (en) * | 2018-09-18 | 2019-01-15 | 无锡雅兰特精密科技有限公司 | The method of disposable intracavitary sleeve surface processing |
| CN113930673A (en) * | 2021-09-10 | 2022-01-14 | 河钢股份有限公司承德分公司 | Steel for air knife baffle and preparation method thereof |
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