CN110016638A - A kind of processing method of phosphorous copper balls extrusion die - Google Patents
A kind of processing method of phosphorous copper balls extrusion die Download PDFInfo
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- CN110016638A CN110016638A CN201910336710.4A CN201910336710A CN110016638A CN 110016638 A CN110016638 A CN 110016638A CN 201910336710 A CN201910336710 A CN 201910336710A CN 110016638 A CN110016638 A CN 110016638A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/32—Soft annealing, e.g. spheroidising
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/78—Combined heat-treatments not provided for above
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
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- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/04—Hardening by cooling below 0 degrees Celsius
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
- C23C8/22—Carburising of ferrous surfaces
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Abstract
A kind of processing method of phosphorous copper balls extrusion die, the steps include: that the blank of 4Cr5MoSiV1 (H13) material is passed through forging, normalized treatment, spheroidising by (1), and blank processing is reached phosphorous copper balls extrusion die preset requirement；(2) phosphorous copper balls extrusion die is heated to 960 ~ 980 DEG C of 5 ~ 6h of heat preservation, gas carburizing cools down in the oil, or quenches using vacuum carburization, and surface hardness reaches HV1000-1200；(3) mold is carried out -196 DEG C ~ -100 DEG C subzero treatments, handles 1 ~ 10h of time；(4) mold is heated to 560 ~ 580 DEG C of temperings, keeps the temperature 5 ~ 6h；(5) mold is heated to 540 ~ 560 DEG C of gas nitridings, keeps the temperature 48 ~ 52h；(6) to gas nitriding treated mold 10 ~ 11h of immersion oil in 140 ~ 150 DEG C of machine oil；(7) to the mold spherical surface grinding and polishing of immersion oil processing, dirt is cleared up.
Description
Technical field
The present invention relates to materials processing technologies, and in particular to the processing skill of copper galvanic anode phosphorous copper balls extruding mold
Art.
Background technique
General production printed wiring board use phosphorous copper balls or phosphor-copper angle as anode, phosphorous copper balls or phosphor-copper angle are drawn from above
Continuous casting copper rod machining, the method for processing copper ball has oblique roll process, half module extrusion process etc., and mold uses mould steel more.Mold
Forged, spheroidizing of steel etc. handles post-processing molding, then is quenched processing；In addition to reducing resistance when squeezing carries out surface
Processing.Crush resistance is reduced to a certain extent, improves the shaped degree of ball, different methods has the characteristics that its respectively, but
Integral strength and surface strength, hardness have unsatisfactory place in use.
In recent years, with the progress of automated production, the requirement to die life, extruding force becomes higher and higher, and
A large amount of work has been done in terms of improving die surface situation.Have from the improvement skin resistance raising service life such as patent
201510644748.X, 201410588603.8 reinforce lubrication, patent 201410588603.8,201520125686.7,
200810174650.2,201110161617.8,201110150367.8 by die surface formed self-lubricating layer, simultaneously plus
Strong lubrication.On the other hand have using for example single gas carburizing of single treatment process, gas nitriding processing, to a certain extent
In the service life for improving mold, production cost is reduced, improves productivity effect.
Above-mentioned patent has done a large amount of research work from production technology and method, achieves certain effect, but these
Process has the following problems in various degree.
1. die deformation fatigue shape or cracking, lubricating oil breakdown, lubricant effect are poor using the method for outer lubrication.2.
Coating has the coating of anti-attrition effect on mold, and due to die deformation, coating shedding keeps die surface rough, crush resistance
Increase.3. non-surface treated, wearability is low, and die life is short.4. the additive in lubricating fluid (cream) is in the effect for squeezing heat
Lower volatilization or decomposition, generation environment pollution are unfavorable to the health of people.
Summary of the invention
The object of the present invention is to provide a kind of processing methods of phosphorous copper balls extrusion die.
The present invention is a kind of processing method of phosphorous copper balls extrusion die, be the steps include:
(1) blank of 4Cr5MoSiV1 (H13) material is passed through forging, normalized treatment, spheroidising, blank processing is reached phosphorus
Copper ball extrusion die preset requirement；
(2) the phosphorous copper balls extrusion die that processing reaches requirement is heated to 960 ~ 980 DEG C of 5 ~ 6h of heat preservation, gas carburizing is cold in the oil
But it, or using vacuum carburization quenches, surface hardness reaches HV1000-1200；
(3) mold through carburizing and quenching is carried out -196 DEG C ~ -100 DEG C subzero treatments, handles 1 ~ 10h of time；
(4) mold through subzero treatment is heated to 560 ~ 580 DEG C of temperings, keeps the temperature 5 ~ 6h；
(5) mold of tempered processing is heated to 540 ~ 560 DEG C of gas nitridings, keeps the temperature 48 ~ 52h；
(6) to gas nitriding treated mold 10 ~ 11h of immersion oil in 140 ~ 150 DEG C of machine oil；
(7) to the mold spherical surface grinding and polishing of immersion oil processing, and the dirt of die surface and fitting surface is cleared up.
Usefulness of the present invention is: 1, the present invention is at traditional mold processing, stepped combined heat treatment process, deep cooling
Science and engineering skill is applied to the preparation of phosphorous copper balls extrusion die.2, inventive die handled obtained high surface hardness compisite seeping layer with
Mold is an entirety, and surface hardness, intensity are high, and toughness is high, peeling and abrasion not easy to fatigue.3, phosphorous copper balls extrusion die of the present invention
Tool forms the working lining of high surface hardness through carburizing, gas nitriding combined processing, and simple process is handled through immersion oil, and machine oil penetrates into
Into the compound of die surface, reduce the frictional resistance of mold and copper material.4, inventive die is through subzero treatment tissue stabilization,
Tissue stabilization, stress are small in use process, and die deformation caused by stress release and damage are small.5, the present invention increases substantially mould
The wear-resisting property of tool, improves die life, and copper ball is more full shaped.
Specific embodiment
The present invention is a kind of processing method of phosphorous copper balls extrusion die, be the steps include:
(1) blank of 4Cr5MoSiV1 (H13) material is passed through forging, normalized treatment, spheroidising, blank processing is reached phosphorus
Copper ball extrusion die preset requirement；
(2) the phosphorous copper balls extrusion die that processing reaches requirement is heated to 960 ~ 980 DEG C of 5 ~ 6h of heat preservation, gas carburizing is cold in the oil
But it, or using vacuum carburization quenches, surface hardness reaches HV1000-1200；
(3) mold through carburizing and quenching is carried out -196 DEG C ~ -100 DEG C subzero treatments, handles 1 ~ 10h of time；
(4) mold through subzero treatment is heated to 560 ~ 580 DEG C of temperings, keeps the temperature 5 ~ 6h；
(5) mold of tempered processing is heated to 540 ~ 560 DEG C of gas nitridings, keeps the temperature 48 ~ 52h；
(6) to gas nitriding treated mold 10 ~ 11h of immersion oil in 140 ~ 150 DEG C of machine oil；
(7) to the mold spherical surface grinding and polishing of immersion oil processing, and the dirt of die surface and fitting surface is cleared up.
The processing method of above-described phosphorous copper balls extrusion die, mould therefor steel 4Cr5MoSiV1 (H13) by forging
It makes, 1020-1050 DEG C of heat preservation 9 ~ 10h high temperature normalizing, 800 ~ 820 DEG C of 9 ~ 10 h spheroidizings of heat preservation are cooled to 500 ~ 510 DEG C
It comes out of the stove air-cooled.
The processing method of above-described phosphorous copper balls extrusion die carries out the mold of tempered processing at gas nitriding
Reason, die surface hardness HV1100-1300.
The processing method of above-described phosphorous copper balls extrusion die, it is characterised in that squeeze the diameter 20-60mm of copper ball.
The present invention is further spread out with more specifically embodiment below.
Embodiment 1:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 5-6 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, is quenched using vacuum carburization, die surface hardness reaches
HV1000-1200；
(4) mold quenched through vacuum carburization is handled time 1h in -196 DEG C of subzero treatments；
(mold through subzero treatment is heated to 560-580 DEG C of tempering by (5), keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and clears up the dirt of die surface and fitting surface；
(9) through detection compisite seeping layer thickness in 0.9mm；
(10) the phosphorous copper balls mold average life of diameter 35mm is increased to 59 days for 25 days by producing and using for 24 hours originally；
(11) it squeezes phosphorous copper balls bulb diameter difference and 1-2mm is reduced to by 2-4mm.
Embodiment 2:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 9-10 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, is quenched using vacuum carburization, die surface hardness reaches
HV1000-1200；
(4) mold quenched through vacuum carburization is handled time 3h in -180 DEG C of subzero treatments；
(5) mold through subzero treatment is heated to 560-580 DEG C of tempering, keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and the dirt of die surface and fitting surface is cleared up；
(9) through detection compisite seeping layer thickness in 0.93mm；
(10) the phosphorous copper balls mold average life of diameter 45mm is increased to 51 days for 25 days by producing and using for 24 hours originally；
(11) it squeezes phosphorous copper balls bulb diameter difference and 1-1.85mm is reduced to by 3-5mm.
Embodiment 3:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 9-10 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, is quenched using vacuum carburization, die surface hardness reaches
HV1000-1200；
(4) mold quenched through vacuum carburization is handled time 4h in -160 DEG C of subzero treatments；
(5) mold through subzero treatment is heated to 560-580 DEG C of tempering, keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and the dirt of die surface and fitting surface is cleared up；
(9) through detection compisite seeping layer thickness in 1.0mm；
(10) the phosphorous copper balls mold average life of diameter 40mm is increased to 52 days for 24 days by producing and using for 24 hours originally；
(11) it squeezes phosphorous copper balls bulb diameter difference and 1-1.79mm is reduced to by 2-4mm.
Embodiment 4:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 9-10 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, is quenched using vacuum carburization, die surface hardness reaches
HV1000-1200；
(4) mold quenched through vacuum carburization is handled time 5h in -150 DEG C of subzero treatments；
(5) mold through subzero treatment is heated to 560-580 DEG C of tempering, keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and the dirt of die surface and fitting surface is cleared up；
(9) through detection compisite seeping layer thickness in 1.05mm；
(10) the phosphorous copper balls mold average life of diameter 30mm is increased to 55 days for 25 days by producing and using for 24 hours originally；
(11) it squeezes phosphorous copper balls bulb diameter difference and 1-2mm is reduced to by 3-4mm.
Embodiment 5:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 9-10 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, is quenched using vacuum carburization, die surface hardness reaches
HV1000-1200；
(4) mold quenched through vacuum carburization is handled time 6h in -140 DEG C of subzero treatments；
(5) mold through subzero treatment is heated to 560-580 DEG C of tempering, keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and the dirt of die surface and fitting surface is cleared up；
(9) through detection compisite seeping layer thickness in 1.2mm；
(10) the phosphorous copper balls mold average life of diameter 25mm is increased to 53 days for 25 days by producing and using for 24 hours originally；
(11) it squeezes phosphorous copper balls bulb diameter difference and 1-1.85mm is reduced to by 2-4mm.
Embodiment 6:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 9-10 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, is quenched using vacuum carburization, die surface hardness reaches
HV1000-1200；
(4) mold quenched through vacuum carburization is handled time 7h in -130 DEG C of subzero treatments；
(5) mold through subzero treatment is heated to 560-580 DEG C of tempering, keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and the dirt of die surface and fitting surface is cleared up；
(9) through detection compisite seeping layer thickness in 0.85mm；
(10) the phosphorous copper balls mold average life of diameter 20mm is increased to 56 days for 25 days by producing and using for 24 hours originally；
(11) it squeezes phosphorous copper balls bulb diameter difference and 1-1.5mm is reduced to by 2-4mm.
Embodiment 7:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 9-10 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, is quenched using vacuum carburization, die surface hardness reaches
HV1000-1200；
(4) mold quenched through vacuum carburization is handled time 8h in -120 DEG C of subzero treatments；
(5) mold through subzero treatment is heated to 560-580 DEG C of tempering, keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and the dirt of die surface and fitting surface is cleared up；
(9) through detection compisite seeping layer thickness in 0.95mm；
(10) the phosphorous copper balls mold average life of diameter 55mm is increased to 55 days for 25 days by producing and using for 24 hours originally；
(11) it squeezes phosphorous copper balls bulb diameter difference and 1-1.9mm is reduced to by 2-4mm.
Embodiment 8:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 9-10 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, is quenched using vacuum carburization, die surface hardness reaches
HV1000-1200；
(4) mold quenched through vacuum carburization is handled time 9h in -110 DEG C of subzero treatments；
(5) mold through subzero treatment is heated to 560-580 DEG C of tempering, keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and the dirt of die surface and fitting surface is cleared up；
(9) through detection compisite seeping layer thickness in 1.05mm；
(10) the phosphorous copper balls mold average life of diameter 45mm is increased to 55 days for 25 days by producing and using for 24 hours originally；
(11) it squeezes phosphorous copper balls bulb diameter difference and 1-2.1mm is reduced to by 2-4.2mm.
Embodiment 9:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 9-10 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, cold using carburizing and quenching oil, die surface hardness reaches
HV1000-1200。
(4) mold quenched through vacuum carburization is handled time 10h in -100 DEG C of subzero treatments；
(5) mold through subzero treatment is heated to 560-580 DEG C of tempering, keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and the dirt of die surface and fitting surface is cleared up；
(9) through detection compisite seeping layer thickness in 1.15mm；
(10) the phosphorous copper balls mold average life of diameter 35mm is increased to 55 days for 25 days by producing and using for 24 hours originally；
(11) it squeezes phosphorous copper balls bulb diameter difference and 1-2mm is reduced to by 4-5mm.
Embodiment 10:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 9-10 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, carburizing and quenching (oil is cold), die surface hardness reaches HV1000-
1200；
(4) mold through carburizing and quenching is handled time 5h in -196 DEG C of subzero treatments；
(5) mold through subzero treatment is heated to 560-580 DEG C of tempering, keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and the dirt of die surface and fitting surface is cleared up；
(9) through detection compisite seeping layer thickness in 1.21mm；
(10) the phosphorous copper balls mold average life of diameter 25mm is increased to 50 days for 25 days by producing and using for 24 hours originally；
(11) it squeezes phosphorous copper balls bulb diameter difference and 1-1.7mm is reduced to by 2-4.1mm.
Embodiment 11:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 9-10 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, carburizing and quenching (oil is cold), die surface hardness reaches HV1000-
1200；
(4) mold through carburizing and quenching (oil is cold) is handled time 8h in -180 DEG C of subzero treatments；
(5) mold through subzero treatment is heated to 560-580 DEG C of tempering, keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and the dirt of die surface and fitting surface is cleared up；
(9) through detection compisite seeping layer thickness in 1.13mm；
(10) the phosphorous copper balls mold average life of diameter 60mm is increased to 57 days for 25 days by producing and using for 24 hours originally；
(11) it squeezes phosphorous copper balls bulb diameter difference and 1-1.6mm is reduced to by 2-4.3mm.
Embodiment 12:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 9-10 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, carburizing and quenching (oil is cold), die surface hardness reaches HV1000-
1200；
(4) mold through carburizing and quenching (oil is cold) is handled time 10h in -160 DEG C of subzero treatments；
(5) mold through subzero treatment is heated to 560-580 DEG C of tempering, keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and the dirt of die surface and fitting surface is cleared up；
(9) through detection compisite seeping layer thickness in 1.18mm；
(10) the phosphorous copper balls mold average life of diameter 50mm is increased to 55 days for 25 days by producing and using for 24 hours originally；
(11) it squeezes phosphorous copper balls bulb diameter difference and 1-1.9mm is reduced to by 2-4.2mm.
Embodiment 13:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 9-10 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, carburizing and quenching (oil is cold), die surface hardness reaches HV1000-
1200；
(4) mold through carburizing and quenching (oil is cold) is handled time 9h in -140 DEG C of subzero treatments；
(5) mold through subzero treatment is heated to 560-580 DEG C of tempering, keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and the dirt of die surface and fitting surface is cleared up；
(9) through detection compisite seeping layer thickness in 1.12mm；
(10) the phosphorous copper balls mold average life of diameter 40mm is increased to 60 days for 25 days by producing and using for 24 hours originally；
(11) it squeezes phosphorous copper balls bulb diameter difference and 1-1.8mm is reduced to by 2.1-4.2mm.
Embodiment 14:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 9-10 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, carburizing and quenching (oil is cold), die surface hardness reaches HV1000-
1200；
(4) mold through carburizing and quenching (oil is cold) is handled time 10h in -120 DEG C of subzero treatments；
(5) mold through subzero treatment is heated to 560-580 DEG C of tempering, keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and the dirt of die surface and fitting surface is cleared up；
(9) through detection compisite seeping layer thickness in 1.14mm；
(10) the phosphorous copper balls mold average life of diameter 30mm is increased to 58 days for 25 days by producing and using for 24 hours originally；
(11) it squeezes phosphorous copper balls bulb diameter difference and 1-1.5mm is reduced to by 2.2-4.3mm.
Embodiment 15:
(1) 4Cr5MoSiV1 (H13) mould steel is forged, 1020-1050 DEG C of heat preservation 9-10h high temperature normalizing, 800-820
DEG C heat preservation 9-10 h carry out spheroidizing, be cooled to 500-510 DEG C come out of the stove it is air-cooled；
(2) blank is worked into the size of mold drawing requirement；
(3) mold is heated to 960-980 DEG C, keeps the temperature 5-6h, carburizing and quenching (oil is cold), die surface hardness reaches HV1000-
1200；
(4) mold through carburizing and quenching (oil is cold) is handled time 10h in -130 DEG C of subzero treatments；
(5) mold through subzero treatment is heated to 560-580 DEG C of tempering, keeps the temperature 5-6h；
(6) mold of tempered processing is heated to 540-560 DEG C of gas nitriding, keeps the temperature 48-52h, surface hardness reaches
HV1100-1300；
(7) the mold handled through gas nitriding in 140-150 DEG C of machine oil immersion oil 10-11h；
(8) spherical surface grinding and polishing is handled through immersion oil, and the dirt of die surface and fitting surface is cleared up；
(9) through detection compisite seeping layer thickness in 1.15mm；
It squeezes phosphorous copper balls bulb diameter difference and 1-2.1mm is reduced to by 2-4.1mm.
Claims (4)
1. a kind of processing method of phosphorous copper balls extrusion die, which is characterized in that the steps include:
(1) blank of 4Cr5MoSiV1 (H13) material is passed through forging, normalized treatment, spheroidising, blank processing is reached phosphorus
Copper ball extrusion die preset requirement；
(2) the phosphorous copper balls extrusion die that processing reaches requirement is heated to 960 ~ 980 DEG C of 5 ~ 6h of heat preservation, gas carburizing is cold in the oil
But it, or using vacuum carburization quenches, surface hardness reaches HV1000-1200；
(3) mold through carburizing and quenching is carried out -196 DEG C ~ -100 DEG C subzero treatments, handles 1 ~ 10h of time；
(4) mold through subzero treatment is heated to 560 ~ 580 DEG C of temperings, keeps the temperature 5 ~ 6h；
(5) mold of tempered processing is heated to 540 ~ 560 DEG C of gas nitridings, keeps the temperature 48 ~ 52h；
(6) to gas nitriding treated mold 10 ~ 11h of immersion oil in 140 ~ 150 DEG C of machine oil；
(7) to the mold spherical surface grinding and polishing of immersion oil processing, and the dirt of die surface and fitting surface is cleared up.
2. the processing method of phosphorous copper balls extrusion die according to claim 1, it is characterised in that mould therefor steel
4Cr5MoSiV1 (H13) is by forging, 1020-1050 DEG C of heat preservation 9 ~ 10h high temperature normalizing, 800 ~ 820 DEG C of 9 ~ 10 h balls of heat preservation
Annealing, be cooled to 500 ~ 510 DEG C come out of the stove it is air-cooled.
3. the processing method of phosphorous copper balls extrusion die according to claim 1, it is characterised in that the mould of tempered processing
Tool carries out gas nitriding processing, die surface hardness HV1100-1300.
4. the processing method of phosphorous copper balls extrusion die according to claim 1, it is characterised in that squeeze the diameter 20- of copper ball
60mm。
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| CN114921620A (en) * | 2022-05-24 | 2022-08-19 | 武汉联塑精密模具有限公司 | Processing technology of extrusion die |
| CN117144288A (en) * | 2023-10-24 | 2023-12-01 | 中国科学院力学研究所 | Chemical heat treatment process for surface modified layer steel |
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| CN114058809A (en) * | 2021-11-18 | 2022-02-18 | 辽宁五一八内燃机配件有限公司 | Heat treatment method for forging die |
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