CN103464995A - Processing method of cold upsetting alloy female mold for countersunk rivet - Google Patents
Processing method of cold upsetting alloy female mold for countersunk rivet Download PDFInfo
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 104
- 239000000956 alloy Substances 0.000 title claims abstract description 104
- 238000003672 processing method Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000010009 beating Methods 0.000 claims abstract description 8
- 238000007731 hot pressing Methods 0.000 claims abstract description 4
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 39
- 210000002583 cell-derived microparticle Anatomy 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 24
- 238000002360 preparation method Methods 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 7
- 239000010931 gold Substances 0.000 claims description 7
- 229910052737 gold Inorganic materials 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 241000282414 Homo sapiens Species 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000005202 decontamination Methods 0.000 claims description 3
- 230000003588 decontaminative effect Effects 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 230000001020 rhythmical effect Effects 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 229910001315 Tool steel Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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Abstract
The invention provides a processing method of a cold upsetting alloy female mold for a countersunk rivet. An alloy core, a middle sleeve and an outer body are assembled into a whole through hot pressing, and in addition, a series of grinding rods are matched to be used in the processing process, so the processing of an alloy female mold is finally realized. The processing process has the concrete steps that firstly, an expansion sleeve is adopted for roughly forming an inner hole of the alloy core, then, an angle beating rod is adopted for roughly beating the angle sectional surface of the alloy core, and finally, a hole grinding rod and an angle grinding rod with a guide are adopted for grinding the inner hole of the alloy core and the sectional surface. The method has the advantages that the dimension precision and the smoothness requirements of the cold upsetting alloy female mold for the countersunk rivet is effectively ensured, and the finished product rate is high.
Description
Technical field
The present invention relates to the processing method of a kind of sunk screw with cold-heading alloy former, belong to the mechanical processing technique field.
Background technology
In the past few years, both at home and abroad for improving former life-span and quality, a large amount of research and experiment work have been carried out, from simple whole former to complicated prestressing force, from the carbon tool steel former to the alloy tool steel former, and the carbide alloy cold heading die definitely improves and has brought important change to field of machining product quality.The carbide alloy cold heading die withstand shocks or the wear-resisting condition of work of thump under, its general character is that the requirement carbide alloy has toughness preferably, fracture toughness, fatigue strength and good wearability.Therefore the processing of carbide alloy cold heading die is a difficult problem always, and especially processing has the cold-heading alloy former for sunk screw of angle [alpha] °, and because its profile has angle [alpha] ° countersunk head, therefore general processing method is difficult to meet the various requirements such as Product Precision.
Summary of the invention
The purpose of this invention is to provide a kind of processing method of the sunk screw of angle [alpha] ° with cold-heading alloy former that be applicable to be processed with.
Technical scheme of the present invention: the processing method of cold-heading alloy former for sunk screw, alloy fuse, middle cover, ectosome three are assembled into as a wholely by hot pressing, and concrete processing method comprises following concrete steps:
(1) first process the alloy fuse, its processing method comprises following:
(1) preparation of material: get the alloy fuse of two ends band central small hole, require that material is intact, flawless, without sand holes;
(2) pincers worker operation: with two top central small hole that prop up alloy fuse two ends, decontamination;
(3) electrolytic mill operation: top, the dead man carried with electrolytic grinder and clip clamping, then the top cylindrical grinding is shown in light;
(4) line cutting process: with the cylindrical centering, line cut hole d stays 0.08-0.10mm, and the circularity of retaining hole and cylindricity are between 0.02-0.03mm;
(5) pincers worker operation: with ringfeder, thick porting d stays 0.04mm, guarantee that cylindricity is between 0-0.02mm, ringfeder is enclosed within on the barred body with tapering in use, described ringfeder adopts HT25-47, its excircle dimension is than the little 0.04-0.06mm of the nominal dimension of hole d, its length is 1/3rd of hole d length, and the amount ratio of ringfeder is 1:(3-6);
(6) electrolytic mill operation: the clip clamping carried with electrolytic grinder, mill D2 and caudal horn, guarantee that the axiality at D2 and caudal horn and d center, hole is between 0-0.025mm;
(7) electrolytic mill operation: the two ends of break-in gold fuse, guarantee that the depth of parallelism is between 0-0.02mm, and the perpendicularity of hole d is between 0-0.03mm;
(8) turner operation: car α angle;
(9) pincers worker operation: adopt upsetting to make the vertical machine of angle profile, angle is beaten to excellent clamping on this vertical machine, adopt scroll chuck clamping alloy fuse and be fixed on workbench, angle is played rod when the contact alloy fuse, both make rotating abrasive action, made again the rectilinear motion that the alloy fuse is beaten in rhythmical upsetting; Described angle is played rod, and its angle is 1/2nd of required grinding angle tolerance, and its excircle dimension is than the large 0.3mm of angle profile D size of hole d, and angle breaks excellent material selection 45 steel, and amount ratio is 1:3;
(10) pincers worker operation: adopt abradant vertical machine, by angle grinding rod clamping, on this vertical machine, hand is taken the alloy fuse, and the angle grinding rod grinds the alloy core period of the day from 11 p.m. to 1 a.m in contact, beats between 0-0.05mm in assurance and d center, hole; Described angle grinding rod, its angle is 1/2nd of required grinding angle tolerance, its excircle dimension is than the large 0.3mm of angle profile D size of hole d, and the material selection HT25-47 of angle grinding rod.；
(11) electrolytic mill operation: the fixture clamping alloy fuse carried with electrolytic grinder, continue the two ends of break-in gold fuse, and the depth of parallelism that guarantees alloy fuse both ends of the surface is between 0-0.02mm, and the perpendicularity in hole remains between 0-0.03mm, controls D and L1 size;
(12) pincers worker operation: with hole grinding rod lappingout endoporus to requiring;
(13) pincers worker operation: 1/2 and the caudal horn of slightly beating R with oilstone;
(2) cover in processing, and alloy fuse and middle cover are assembled into as a whole, specifically processing method comprises following:
(1) preparation of material: shearing blanking, require that material is intact, flawless, without sand holes;
(2) turner operation: the scroll chuck clamping carried with lathe, turning D1 stays the surplus of 0.3-0.4mm, and endoporus D2 joins the surplus of staying 0.4-0.5mm by the alloy fuse, stay the 1-2mm surplus on length direction;
(3) heat treatment step: tempering HRC53-58 quenches;
(4) blast operation;
(5) plain grinding operation: with overlapping in the Flat pliers clamping, grind an end datum level;
(6) endoporus grinder order: the datum level that the plain grinding of take grinds is benchmark, and middle cover and alloy fuse match grinding endoporus D2 pay in pairs;
(7) pincers worker operation: in be enclosed within 450 ℃ of salt stoves preheating and be incubated 30 minutes, then take out and the assembling of alloy fuse, ram compression alloy fuse makes middle cover and alloy fuse end face simultaneously;
(8) the unnecessary part in cover end in after turner operation: Che Quzhong cover and alloy fuse pressure core;
(9) outer grinder order: the hole d of alloy fuse of take is benchmark, cylindrical grinding D1 and caudal horn;
(10) plain grinding operation: the cylindrical ground of take is benchmark, and the two ends of overlapping in mill guarantee to keep flushing and reaching required precision with the alloy fuse;
(11) pincers worker operation: with oilstone, beat the rounded tail angle;
(3) finally carry out the processing of ectosome and ectosome and middle cover, alloy fuse are assembled into to an integral body, concrete grammar comprises following:
(1) preparation of material: sawing, require that material is intact, flawless, without sand holes;
(2) turner operation: rough turn cylindrical D0 and endoporus D1, respectively stay the 1.5-2mm surplus, length L is stayed the 4-5mm surplus, and length L 1 is to size, and all the other are not processed;
(3) heat treatment step: ectosome is carried out to modified HRC37-41;
(4) blast operation;
(5) turner operation: finish turning endoporus D1 and length L 1, D1 and middle cover external diameter are joined car and are stayed the 0.09-0.11mm surplus, and the mouth end in hole and tail end assurance are perpendicular to the perpendicularity in hole between 0-0.015mm, and all the other are car not;
(6) plain grinding operation: mouth end and the tail end of upper Flat pliers mill ectosome guarantee that the depth of parallelism of mouthful end and tail end is between 0-0.015mm;
(7) pincers worker operation: ectosome is placed in to 450 ℃ of salt stoves and is incubated, after within 30 minutes, taking out ram compression alloy fuse and in overlap to the ectosome bottom;
(8) car: the fixture Yi Kong center carried with lathe is that benchmark drill reaming d stays the 0.01-0.04 amount of grinding, and car ectosome cylindrical, to requiring, guarantees that the axiality at cylindrical Yu Kong center is between 0-0.05mm simultaneously, and car ectosome both ends of the surface are stayed mill amount 0.2-0.3mm;
(9) pincers: with hole grinding rod lappingout endoporus d to requiring, marking;
(10) pincers: essence is thrown the angle profile of alloy fuse, i.e. α angle profile place guarantees and the beating between 0-0.05mm of d center, hole;
(11) flat: plain grinding ectosome tail end guarantees to hold row level with both hands with mouth, and the perpendicularity that guarantees tail end and d center, hole keeps length direction L to dimensional requirement between 0-0.03;
(12) pincers: with oilstone, grind R to requiring;
(13) pincers: draw the notch line at R1 place, this place notch is draw-in groove, passes through this draw-in groove while applying this former in the future and is connected with utensil accordingly, thereby realize the processing of cold-heading;
(14) plane: adjustable cast iron planes R1 notch is to size.
Beneficial effect of the present invention: the present invention is by processing respectively alloy fuse, middle cover, ectosome three parts, then three parts is assembled into as a wholely, and is used in conjunction with a series of grinding rod in process, makes the final processing that realizes the alloy former; This process is embodied in and first adopts the thick folding gold of ringfeder fuse endoporus, then play rod by angle and slightly beat alloy fuse angle type face, finally with angle grinding rod and the hole grinding rod of band guiding, grind out profile, alloy fuse endoporus, this processing method has effectively guaranteed dimensional accuracy and the photometric requirement of sunk screw with cold-heading alloy former, and yield rate is high.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of sunk screw with cold-heading alloy former.
Fig. 2 is alloy fuse schematic diagram.
Fig. 3 is middle cover schematic diagram.
Fig. 4 is middle cover and alloy fuse assembling rear section schematic diagram.
Fig. 5 is the ectosome schematic diagram.
Fig. 6 is the ringfeder schematic diagram.
Fig. 7 is the schematic diagram with the barred body of tapering.
Fig. 8 is that angle is played excellent schematic diagram.
The schematic diagram that Fig. 9 is the angle grinding rod.
The schematic diagram that Figure 10 is hole, angle grinding rod.
The specific embodiment
Cold-heading alloy former for a kind of sunk screw, as shown in Figure 1, alloy fuse, middle cover, ectosome three are assembled into as a wholely by hot pressing, and concrete processing method comprises following concrete steps:
(1) first process the alloy fuse, as shown in Figure 2, its processing method comprises following:
(1) preparation of material: get the alloy fuse of two ends band central small hole, require that material is intact, flawless, without sand holes;
(2) pincers worker operation: with two top central small hole that prop up alloy fuse two ends, decontamination;
(3) electrolytic mill operation: top, the dead man carried with electrolytic grinder and clip clamping, then the top cylindrical grinding is shown in light;
(4) line cutting process: with the cylindrical centering, line cut hole d stays 0.08-0.10mm, and the circularity of retaining hole and cylindricity are between 0.02-0.03mm;
(5) pincers worker operation: with ringfeder, thick porting d stays 0.04mm, guarantee that cylindricity is between 0-0.02mm, ringfeder is enclosed within on the barred body with tapering in use, described ringfeder adopts HT25-47, its excircle dimension is than the little 0.04-0.06mm of the nominal dimension of hole d, its length is 1/3rd of hole d length, and the amount ratio of ringfeder is 1:(3-6), as shown in Figure 6 and Figure 7;
(6) electrolytic mill operation: the clip clamping carried with electrolytic grinder, mill D2 and 5 ° of caudal horns, guarantee that the axiality at D2 and 5 ° of caudal horns and d center, hole is between 0-0.025mm;
(7) electrolytic mill operation: the two ends of break-in gold fuse, guarantee that the depth of parallelism is between 0-0.02mm, and the perpendicularity of hole d is between 0-0.03mm;
(8) turner operation: car α angle;
(9) pincers worker operation: adopt upsetting to make the vertical machine of angle profile, angle is beaten to excellent clamping on this vertical machine, adopt scroll chuck clamping alloy fuse and be fixed on workbench, angle is played rod when the contact alloy fuse, both make rotating abrasive action, made again the rectilinear motion that the alloy fuse is beaten in rhythmical upsetting; Described angle is played rod, and its angle is 1/2nd of required grinding angle tolerance, and its excircle dimension is than the large 0.3mm of angle profile D size of hole d, and angle breaks excellent material selection 45 steel, and amount ratio is 1:3, as shown in Figure 8;
(10) pincers worker operation: adopt abradant vertical machine, by angle grinding rod clamping, on this vertical machine, hand is taken the alloy fuse, and the angle grinding rod grinds the alloy core period of the day from 11 p.m. to 1 a.m in contact, beats between 0-0.05mm in assurance and d center, hole; Described angle grinding rod, its angle is 1/2nd of required grinding angle tolerance, its excircle dimension is than the large 0.3mm of angle profile D size of hole d, and the material selection HT25-47 of angle grinding rod, as shown in Figure 9;
(11) electrolytic mill operation: the fixture clamping alloy fuse carried with electrolytic grinder, continue the two ends of break-in gold fuse, and the depth of parallelism that guarantees alloy fuse both ends of the surface is between 0-0.02mm, and the perpendicularity in hole remains between 0-0.03mm, controls D and L1 size;
(12) pincers worker operation: with hole grinding rod lappingout endoporus to requiring;
(13) pincers worker operation: 1/2 and 5 ° of caudal horn slightly beating R with oilstone;
(2) cover in processing, as shown in Figure 3 and Figure 4 and alloy fuse and middle cover are assembled into as a whole, specifically processing method comprises following:
(1) preparation of material: shearing blanking, require that material is intact, flawless, without sand holes;
(2) turner operation: the scroll chuck clamping carried with lathe, turning D1 stays the surplus of 0.3-0.4mm, and endoporus D2 joins the surplus of staying 0.4-0.5mm by the alloy fuse, stay the 1-2mm surplus on length direction;
(3) heat treatment step: tempering HRC53-58 quenches;
(4) blast operation;
(5) plain grinding operation: with overlapping in the Flat pliers clamping, grind an end datum level;
(6) endoporus grinder order: the datum level that the plain grinding of take grinds is benchmark, and middle cover and alloy fuse match grinding endoporus D2 pay in pairs;
(7) pincers worker operation: in be enclosed within 450 ℃ of salt stoves preheating and be incubated 30 minutes, then take out and the assembling of alloy fuse, ram compression alloy fuse makes middle cover and alloy fuse end face simultaneously;
(8) the unnecessary part in cover end in after turner operation: Che Quzhong cover and alloy fuse pressure core;
(9) outer grinder order: the hole d of alloy fuse of take is benchmark, cylindrical grinding D1 and 5 ° of caudal horns;
(10) plain grinding operation: the cylindrical ground of take is benchmark, and the two ends of overlapping in mill guarantee to keep flushing and reaching required precision with the alloy fuse;
(11) pincers worker operation: with oilstone, beat 5 ° of caudal horns of circle;
(3) finally carry out the processing of ectosome, as shown in Figure 5, and ectosome and middle cover, alloy fuse are assembled into to an integral body, concrete grammar comprises following:
(1) preparation of material: sawing, require that material is intact, flawless, without sand holes;
(2) turner operation: rough turn cylindrical D0 and endoporus D1, respectively stay the 1.5-2mm surplus, length L is stayed the 4-5mm surplus, and length L 1 is to size, and all the other are not processed;
(3) heat treatment step: ectosome is carried out to modified HRC37-41;
(4) blast operation;
(5) turner operation: finish turning endoporus D1 and length L 1, D1 and middle cover external diameter are joined car and are stayed the 0.09-0.11mm surplus, and the mouth end in hole and tail end assurance are perpendicular to the perpendicularity in hole between 0-0.015mm, and all the other are car not;
(6) plain grinding operation: mouth end and the tail end of upper Flat pliers mill ectosome guarantee that the depth of parallelism of mouthful end and tail end is between 0-0.015mm;
(7) pincers worker operation: ectosome is placed in to 450 ℃ of salt stoves and is incubated, after within 30 minutes, taking out ram compression alloy fuse and in overlap to the ectosome bottom;
(8) car: the fixture Yi Kong center carried with lathe is that benchmark drill reaming d stays the 0.01-0.04 amount of grinding, and car ectosome cylindrical, to requiring, guarantees that the axiality at cylindrical Yu Kong center is between 0-0.05mm simultaneously, and car ectosome both ends of the surface are stayed mill amount 0.2-0.3mm;
(9) pincers: with hole grinding rod lappingout endoporus d to requiring, marking, as shown in figure 10;
(10) pincers: essence is thrown the angle profile of alloy fuse, i.e. α angle profile place guarantees and the beating between 0-0.05mm of d center, hole;
(11) flat: plain grinding ectosome tail end guarantees to hold row level with both hands with mouth, and the perpendicularity that guarantees tail end and d center, hole keeps length direction L to dimensional requirement between 0-0.03;
(12) pincers: with oilstone, grind R to requiring;
(13) pincers: draw the notch line at R1 place, this place notch is draw-in groove, passes through this draw-in groove while applying this former in the future and is connected with utensil accordingly, thereby realize the processing of cold-heading;
(14) plane: adjustable cast iron planes R1 notch is to size.
Claims (5)
1. the processing method of cold-heading alloy former for sunk screw, is characterized in that, alloy fuse, middle cover, ectosome three are assembled into as a wholely by hot pressing, and concrete processing method comprises following concrete steps:
(1) first process the alloy fuse, its processing method comprises following:
(1) preparation of material: get the alloy fuse of two ends band central small hole, require that material is intact, flawless, without sand holes;
(2) pincers worker operation: with two top central small hole that prop up alloy fuse two ends, decontamination;
(3) electrolytic mill operation: top, the dead man carried with electrolytic grinder and clip clamping, then the top cylindrical grinding is shown in light;
(4) line cutting process: with the cylindrical centering, line cut hole d stays 0.08-0.10mm, and the circularity of retaining hole and cylindricity are between 0.02-0.03mm;
(5) pincers worker operation: with ringfeder, thick porting d stays 0.04mm, guarantees that cylindricity is between 0-0.02mm;
(6) electrolytic mill operation: the clip clamping carried with electrolytic grinder, mill D2 and caudal horn, guarantee that the axiality at D2 and caudal horn and d center, hole is between 0-0.025mm;
(7) electrolytic mill operation: the two ends of break-in gold fuse, guarantee that the depth of parallelism is between 0-0.02mm, and the perpendicularity of hole d is between 0-0.03mm;
(8) turner operation: car α angle;
(9) pincers worker operation: adopt upsetting to make the vertical machine of angle profile, angle is beaten to excellent clamping on this vertical machine, adopt scroll chuck clamping alloy fuse and be fixed on workbench, angle is played rod when the contact alloy fuse, both make rotating abrasive action, made again the rectilinear motion that the alloy fuse is beaten in rhythmical upsetting;
(10) pincers worker operation: adopt abradant vertical machine, by angle grinding rod clamping, on this vertical machine, hand is taken the alloy fuse, and the angle grinding rod grinds the alloy core period of the day from 11 p.m. to 1 a.m in contact, beats between 0-0.05mm in assurance and d center, hole;
(11) electrolytic mill operation: the fixture clamping alloy fuse carried with electrolytic grinder, continue the two ends of break-in gold fuse, and the depth of parallelism that guarantees alloy fuse both ends of the surface is between 0-0.02mm, and the perpendicularity in hole remains between 0-0.03mm, controls D and L1 size;
(12) pincers worker operation: with hole grinding rod lappingout endoporus to requiring;
(13) pincers worker operation: 1/2 and the caudal horn of slightly beating R with oilstone;
(2) cover in processing, and alloy fuse and middle cover are assembled into as a whole, specifically processing method comprises following:
(1) preparation of material: shearing blanking, require that material is intact, flawless, without sand holes;
(2) turner operation: the scroll chuck clamping carried with lathe, turning D1 stays the surplus of 0.3-0.4mm, and endoporus D2 joins the surplus of staying 0.4-0.5mm by the alloy fuse, stay the 1-2mm surplus on length direction;
(3) heat treatment step: tempering HRC53-58 quenches;
(4) blast operation;
(5) plain grinding operation: with overlapping in the Flat pliers clamping, grind an end datum level;
(6) endoporus grinder order: the datum level that the plain grinding of take grinds is benchmark, and middle cover and alloy fuse match grinding endoporus D2 pay in pairs;
(7) pincers worker operation: in be enclosed within 450 ℃ of salt stoves preheating and be incubated 30 minutes, then take out and the assembling of alloy fuse, ram compression alloy fuse makes middle cover and alloy fuse end face simultaneously;
(8) the unnecessary part in cover end in after turner operation: Che Quzhong cover and alloy fuse pressure core;
(9) outer grinder order: the hole d of alloy fuse of take is benchmark, cylindrical grinding D1 and caudal horn;
(10) plain grinding operation: the cylindrical ground of take is benchmark, and the two ends of overlapping in mill guarantee to keep flushing and reaching required precision with the alloy fuse;
(11) pincers worker operation: with oilstone, beat the rounded tail angle;
(3) finally carry out the processing of ectosome and ectosome and middle cover, alloy fuse are assembled into to an integral body, concrete grammar comprises following:
(1) preparation of material: sawing, require that material is intact, flawless, without sand holes;
(2) turner operation: rough turn cylindrical D0 and endoporus D1, respectively stay the 1.5-2mm surplus, length L is stayed the 4-5mm surplus, and length L 1 is to size, and all the other are not processed;
(3) heat treatment step: ectosome is carried out to modified HRC37-41;
(4) blast operation;
(5) turner operation: finish turning endoporus D1 and length L 1, D1 and middle cover external diameter are joined car and are stayed the 0.09-0.11mm surplus, and the mouth end in hole and tail end assurance are perpendicular to the perpendicularity in hole between 0-0.015mm, and all the other are car not;
(6) plain grinding operation: mouth end and the tail end of upper Flat pliers mill ectosome guarantee that the depth of parallelism of mouthful end and tail end is between 0-0.015mm;
(7) pincers worker operation: ectosome is placed in to 450 ℃ of salt stoves and is incubated, after within 30 minutes, taking out ram compression alloy fuse and in overlap to the ectosome bottom;
(8) car: the fixture Yi Kong center carried with lathe is that benchmark drill reaming d stays the 0.01-0.04 amount of grinding, and car ectosome cylindrical, to requiring, guarantees that the axiality at cylindrical Yu Kong center is between 0-0.05mm simultaneously, and car ectosome both ends of the surface are stayed mill amount 0.2-0.3mm;
(9) pincers: with hole grinding rod lappingout endoporus d to requiring, marking;
(10) pincers: essence is thrown the angle profile of alloy fuse, i.e. α angle profile place guarantees and the beating between 0-0.05mm of d center, hole;
(11) flat: plain grinding ectosome tail end guarantees to hold row level with both hands with mouth, and the perpendicularity that guarantees tail end and d center, hole keeps length direction L to dimensional requirement between 0-0.03;
(12) pincers: with oilstone, grind R to requiring;
(13) pincers: the notch line of drawing the R1 place;
(14) plane: adjustable cast iron planes R1 notch is to size.
2. the processing method of cold-heading alloy former for sunk screw as claimed in claim 1, is characterized in that the ringfeder adopted in described alloy fuse process is enclosed within on the barred body with tapering in use.
3. the processing method of cold-heading alloy former for sunk screw as claimed in claim 1 or 2, it is characterized in that: described ringfeder adopts HT25-47, its excircle dimension is than the little 0.04-0.06mm of the nominal dimension of hole d, and its length is 1/3rd of hole d length, and the amount ratio of ringfeder is 1:(3-6).
4. the processing method of cold-heading alloy former for sunk screw as claimed in claim 1, it is characterized in that the angle adopted in described alloy fuse process plays rod, its angle is 1/2nd of required grinding angle tolerance, its excircle dimension is than the large 0.3mm of angle profile D size of hole d, and angle is broken excellent material selection 45 steel, amount ratio is 1:3.
5. the processing method of cold-heading alloy former for sunk screw as claimed in claim 1, it is characterized in that the angle grinding rod adopted in described alloy fuse process, its angle is 1/2nd of required grinding angle tolerance, its excircle dimension is than the large 0.3mm of angle profile D size of hole d, and the material selection HT25-47 of angle grinding rod.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057007A (en) * | 2014-06-16 | 2014-09-24 | 沈阳飞机工业（集团）有限公司 | Hard alloy female die for semi-flat round head rivets and flat taper head rivets and processing method of hard alloy female die |
| CN104175081A (en) * | 2014-09-17 | 2014-12-03 | 沈阳飞机工业（集团）有限公司 | Method for machining female mold for countersunk head angle rivet |
| CN105436380A (en) * | 2015-12-12 | 2016-03-30 | 中国航空工业标准件制造有限责任公司 | Combined cold-heading female die for core bars of self-plugging rivets |
| CN106239048A (en) * | 2016-08-16 | 2016-12-21 | 安阳工学院 | The processing method in Flat die granulating machine granulation mould type hole |
| CN107186072A (en) * | 2017-06-13 | 2017-09-22 | 嘉兴耐思得模具科技有限公司 | A kind of cavity plate component with profiled holes and its manufacture method |
| CN109623301A (en) * | 2018-12-11 | 2019-04-16 | 陕西宏远航空锻造有限责任公司 | The sleeping forging former processing method of one kind and device |
| CN109676523A (en) * | 2018-12-25 | 2019-04-26 | 厦门炜霖电子科技有限公司 | A kind of high grinding technics methods such as multiple limited posts |
| CN112935435A (en) * | 2021-01-28 | 2021-06-11 | 横店集团东磁股份有限公司 | Punch for compression molding of composite sheet hard alloy substrate and preparation method thereof |
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| US4982596A (en) * | 1990-01-26 | 1991-01-08 | Buell Industries, Inc. | Die for manufacturing a fastener blank |
| CN1915654A (en) * | 2006-09-01 | 2007-02-21 | 苏州江钻新锐硬质合金有限公司 | Standing mold pressing die for bars in hard alloy, and manufacturing method |
| CN101332486A (en) * | 2007-06-29 | 2008-12-31 | 鸿富锦精密工业（深圳）有限公司 | Combined mould |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057007A (en) * | 2014-06-16 | 2014-09-24 | 沈阳飞机工业（集团）有限公司 | Hard alloy female die for semi-flat round head rivets and flat taper head rivets and processing method of hard alloy female die |
| CN104175081A (en) * | 2014-09-17 | 2014-12-03 | 沈阳飞机工业（集团）有限公司 | Method for machining female mold for countersunk head angle rivet |
| CN105436380A (en) * | 2015-12-12 | 2016-03-30 | 中国航空工业标准件制造有限责任公司 | Combined cold-heading female die for core bars of self-plugging rivets |
| CN106239048A (en) * | 2016-08-16 | 2016-12-21 | 安阳工学院 | The processing method in Flat die granulating machine granulation mould type hole |
| CN106239048B (en) * | 2016-08-16 | 2017-12-15 | 安阳工学院 | The processing method of Flat die granulating machine granulation mould type hole |
| CN107186072A (en) * | 2017-06-13 | 2017-09-22 | 嘉兴耐思得模具科技有限公司 | A kind of cavity plate component with profiled holes and its manufacture method |
| CN109623301A (en) * | 2018-12-11 | 2019-04-16 | 陕西宏远航空锻造有限责任公司 | The sleeping forging former processing method of one kind and device |
| CN109676523A (en) * | 2018-12-25 | 2019-04-26 | 厦门炜霖电子科技有限公司 | A kind of high grinding technics methods such as multiple limited posts |
| CN109676523B (en) * | 2018-12-25 | 2019-12-06 | 厦门炜霖电子科技有限公司 | equal-height grinding process method for multiple limiting columns |
| CN112935435A (en) * | 2021-01-28 | 2021-06-11 | 横店集团东磁股份有限公司 | Punch for compression molding of composite sheet hard alloy substrate and preparation method thereof |
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