CN103357958B - Manufacturing method of independent welded grinding-tooth-shaped bimetal band saw blade - Google Patents
Manufacturing method of independent welded grinding-tooth-shaped bimetal band saw blade Download PDFInfo
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- CN103357958B CN103357958B CN201310312993.1A CN201310312993A CN103357958B CN 103357958 B CN103357958 B CN 103357958B CN 201310312993 A CN201310312993 A CN 201310312993A CN 103357958 B CN103357958 B CN 103357958B
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- band backing
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 206010006514 bruxism Diseases 0.000 title abstract 2
- 239000000463 material Substances 0.000 claims abstract description 81
- 238000003466 welding Methods 0.000 claims abstract description 81
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 75
- 239000010959 steel Substances 0.000 claims abstract description 75
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 35
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 239000002893 slag Substances 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 238000003801 milling Methods 0.000 claims description 13
- 238000000227 grinding Methods 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 8
- 238000004381 surface treatment Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000003698 laser cutting Methods 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 238000005554 pickling Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 abstract description 9
- 238000000137 annealing Methods 0.000 abstract description 5
- 238000010791 quenching Methods 0.000 abstract description 3
- 230000000171 quenching effect Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000010894 electron beam technology Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 229910000997 High-speed steel Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- -1 welding region Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Laser Beam Processing (AREA)
- Arc Welding In General (AREA)
Abstract
The invention relates to a manufacturing method of an independent welded grinding-tooth-shaped bimetal band saw blade, which sequentially comprises the following five steps of carrying out forming processing and heat treatment on a tooth part material; carrying out forming processing and heat treatment on a steel band back material; welding the tooth part material and the steel band back material which are subjected to heat treatment into one whole body; carrying out heat treatment on a welding region; carrying out forming processing on the welded tooth part material, the welding region and the welded steel band back material, removing welding slag generated in the welding process and processing a cutting edge on the tooth part material. The tooth part material and the steel band back material are respectively and separately subjected to heat treatment before welding without adopting a process of carrying out online quenching and annealing on a current composite material, so that performance of the tooth and back materials can be sufficiently utilized; the tooth part material and the steel band back material are respectively subjected to forming processing, so that the condition that the tooth part material and the steel band back material are cut after being welded to cause cutting on most of the tooth part material is avoided and loss of raw materials is reduced.
Description
Technical field
The present invention relates to a kind of manufacture method of bi-metal bandsaw blades.
Background technology
Traditional bi-metal bandsaw blades manufacture method adopts electron beam or laser energy input mode, welding compound is carried out to teeth portion high speed steel wire and back steel band, subsequently through well formula, bell-jar annealing way, annealing heat treatment is carried out to steel band after compound, and produced the bimetallic composite steel band being applicable to bi-metal bandsaw blades and using by rolling process.Adopt milling process to carry out processing and forming to composite steel band subsequently, mill out the profile of tooth of applicable different cutting demand.By obtaining bi-metal bandsaw blades product after primary quenching, repeatedly tempering heat treatment after processing.
There is following defect in the manufacture method of existing bi-metal bandsaw blades:
1. after compound, bimetallic strip sawtooth, backing material, through identical Technology for Heating Processing process, at utmost can not play teeth portion material, steel band backing performance;
2. bimetallic composite steel band is through the shaping processes of milling, and teeth portion material major part is removed, and waste of raw materials is large, and lumber recovery is low;
3. after electron beam, laser weld, bimetallic composite steel band weld hardness is high, weld seam offset and milling shaping before need through annealing in process to reduce weld hardness; Technological process is long, and energy consumption is large, and technology difficulty is high;
4. after electron beam, laser weld, bimetallic composite steel band weld seam goes out to have protrusion, need carry out weld seam and offset processing;
5. Milling Process teeth portion cutting edge easily produces burr, affects product cutting performance.
Summary of the invention
The object of the invention is to, for the deficiencies in the prior art, a kind of manufacture method of independent welding roll flute type bi-metal bandsaw blades is provided, welds after adopting teeth portion material, the independent heat treatment of steel band backing, what at utmost can play tooth material and backing can heat treatment capacity, improving product performance; And effectively can reduce the large problem of conventional composite material Milling Process Central Plains spillage of material, significantly promote lumber recovery, reduce cost of material.
Technical scheme of the present invention is, a kind of manufacture method of independent welding roll flute type bi-metal bandsaw blades, comprises the steps:
1) processing and forming and heat treatment are carried out to teeth portion material;
2) processing and forming and heat treatment are carried out to steel band backing;
3) by the teeth portion material after heat treatment and steel band backing integrally welded;
4) welding region is heat-treated;
5) processing and forming is carried out to steel band backing after teeth portion material, welding region and welding after welding, remove the welding slag that welding produces, and process cutting edge on teeth portion material.
Above-mentioned 1st), 2) step mainly makes teeth portion material and steel band backing meet welded structure requirement to the processing and forming of teeth portion material and steel band backing respectively.
Above-mentioned 5th) processing and forming of step is for the 3rd) portion welding after, can produce welding slag near weld seam, this step main purpose is processed by grinding-shaping, carries out processing and forming to teeth portion material, welding region, steel band backing, remove welding slag, teeth portion material processes cutting edge.
The heat treatment of described steel band backing is that steel band backing is heated to 850 DEG C ~ 1150 DEG C, insulation 10-20 minute; Carry out subsequently being quenched to room temperature, then carry out steel band backing temper, steel band backing temper is that steel band backing is heated to 330 DEG C ~ 500 DEG C, is incubated and is cooled to room temperature after 1-1.5 hour; Repeat 2 ~ 3 these steel band backing temper.
Described teeth portion material heat treatment is by teeth portion heating materials to 1100 DEG C ~ 1280 DEG C, insulation 5-10 minute; Carry out teeth portion material temper after being cooled to room temperature, teeth portion material temper is by teeth portion heating materials to 500 DEG C-580 DEG C, is cooled to room temperature after temperature retention time 1-1.5 hour; Repeat 2 ~ 3 these teeth portion material temper.
The present invention, by tooth, the independent heat treatment of backing, namely adopts respectively and is applicable to tooth, the most rational Technology for Heating Processing of backing material and processes, teeth portion hardness and wearability consistent with traditional handicraft, back intensity raising 20%, fatigue behaviour lifting 15-20%.
Described teeth portion material is successively by Linear cut, pressure punching, grinding machine processing and to make cylindric, spherical or cross section be rectangle, leg-of-mutton cylindrical particle.Compared with the mode of prior powder metallurgy sinter molding, production cost significantly reduces, and productivity ratio significantly increases.
Described steel band backing processing and forming adopts profile milling cutter milling or form grinder grinding or laser cutting or Linear cut shaping.
Technique is originally welded by steel wire-steel band, then becomes required profile of tooth by Milling Process.Namely mean that tooth material major part becomes allowance and is wasted in process.Adopt method described in this patent, carry out processing and forming respectively to teeth portion material and steel band backing before welding, tooth material is independently welded on backing in granular form, is processed into cutting edge process and only need carries out a small amount of grinding, thus greatly can reduce the loss of tooth material, and promote lumber recovery.Because tooth material is the alloy high speed steel that alloying component content is high, its prices of raw and semifnished materials are higher, reduce its processing loss and play an important role for reducing costs.
Also will carry out surface treatment to steel band backing after the heat treatment of described steel band backing, surface treatment is followed successively by cleaning, ball blast and surface active, and surface active adopts pickling.Can significantly improve welding process weld strength, reduce welding energy consumption, lifting process stability.
The welding manner that described teeth portion material and steel band backing carry out welding is high-frequency resistance welding, and high-frequency resistance welding adopts current load frequency to be 5 kHz ~ 20kHz, and welding current is not more than 10kA, and weld interval is 5ms ~ 90ms.High frequency height current value welding manner, can significantly promote welding control accuracy.The high-energy short time welds, and improves welding energy input density, effectively can reduce weld interval, shortens welding process flow, improving production efficiency, and can reduce the current load time, reduces sweating heat to tooth, backing heat affecting after heat treatment.
Carry out atmosphere protection at welding region during welding, atmosphere be high purity argon, nitrogen or other can prevent the inert gas of steel high-temperature oxydation.Welding adopts gas shield, can avoid or reduce the oxidation of high-temperature area during welding, strengthens weld strength, improves product surface quality.
Be temper to welding region heat treatment, this temper is that integrally welded teeth portion material and steel band backing are incubated 1-2 hour at 300 DEG C-500 DEG C.Its objective is the welding stress reducing the rear weld seam of welding, improve weld strength.
After described welding, after teeth portion material, welding region and welding, steel band backing processing and forming adopts grinding.Adopt roll flute and multiaspect grinding process to carry out teeth portion to product after welding shaping, machining accuracy significantly promotes, comparatively traditional handicraft, can develop regardless of flute profile bi-metal bandsaw blades.
More current conventional dual-metal bands for band product processes, the method has the following advantages:
1. teeth portion material, steel band backing carry out independent heat treatment before welding respectively, but not the online quenching of current composite wood, tempering, tooth, backing performance can be given full play to;
2. teeth portion material, steel band backing carry out processing and forming before welding respectively, avoiding the cutting major part teeth portion material caused cutting again after the two welding, reducing raw-material loss;
3. backing did not experience electron beams/laser welding, annealing process before machine-shaping, directly carried out processing and forming, significantly shortened process;
4. back of tooth portion Combined Mining high-frequency resistance welding (HFRW), but not current electron beams/laser welding, energy utilization rate significantly promotes, and after avoiding welding, bimetallic composite steel band weld seam goes out to have protrusion;
5. final products teeth portion cutting edge is through grinding, and comparatively Milling Process precision is high, and teeth portion cutting edge not easily produces burr.
Detailed description of the invention
A manufacture method for independent welding roll flute type bi-metal bandsaw blades, respectively teeth portion material and steel band backing being carried out processing and forming and heat treatment, is diameter 1.5mm ~ 4.0mm round steel wire before teeth portion materials processing, or the square steel silk of length of side 1.5mm-4.0mm.
Comprise the steps:
1) processing and forming and heat treatment are carried out to teeth portion material, mainly make teeth portion material meet welded structure requirement to the processing and forming of teeth portion material; Teeth portion material is successively by Linear cut, pressure punching, grinding machine processing and to make cylindric, spherical or cross section be rectangle, leg-of-mutton cylindrical particle.Teeth portion material heat treatment is by teeth portion heating materials to 1100 DEG C, is incubated 5 minutes; Carry out teeth portion material temper after Fast Cooling to room temperature, teeth portion material temper is by teeth portion heating materials to 580 DEG C, and temperature retention time was cooled to room temperature after 1 hour; Repeat 2 these teeth portion material temper.
2) processing and forming and heat treatment are carried out to steel band backing, mainly make steel band backing meet welded structure requirement to the processing and forming of steel band backing; Steel band backing processing and forming adopts profile milling cutter milling or form grinder grinding or laser cutting or Linear cut shaping.The heat treatment of steel band backing is that steel band backing is heated to 1000 DEG C, is incubated 15 minutes; Carry out subsequently being quenched to room temperature, then carry out steel band backing temper, steel band backing temper is that steel band backing is heated to 400 DEG C, is incubated and is cooled to room temperature after 1 hour; Repeat 2 these steel band backing temper.After heat treatment, teeth portion material surface coating is metallic nickel, metallic copper and its compound, and method of coating is plating or chemical plating.Also will carry out surface treatment to steel band backing after the heat treatment of steel band backing, surface treatment is followed successively by cleaning, ball blast and surface active, and surface active adopts pickling.
3) the teeth portion material after heat treatment and steel band backing are welded; The welding manner that teeth portion material and steel band backing carry out welding is high-frequency resistance welding; High-frequency resistance welding adopts current load frequency to be 1020kHz, and welding current is not more than 10kA, and weld interval is 10ms.Carry out atmosphere protection at welding region during welding, atmosphere be high purity argon, nitrogen or other can prevent the inert gas of steel high-temperature oxydation.
4) welding region is heat-treated; Above-mentioned temper is that integrally welded teeth portion material and steel band backing are incubated 1.5 hours at 400 DEG C.
5) processing and forming is carried out to steel band backing after teeth portion material, welding region and welding after welding, remove the welding slag that welding produces, and process cutting edge on teeth portion material; After welding, after teeth portion material, welding region and welding, steel band backing processing and forming adopts grinding.
Claims (5)
1. a manufacture method for independent welding roll flute type bi-metal bandsaw blades, is characterized in that, comprise the steps:
1) processing and forming and heat treatment are carried out to teeth portion material: teeth portion material is successively by Linear cut, pressure punching, grinding machine processing and to make cross section be leg-of-mutton cylindrical particle, teeth portion material heat treatment is by teeth portion heating materials to 1100 DEG C ~ 1280 DEG C, insulation 5-10 minute; Carry out teeth portion material temper after being cooled to room temperature, teeth portion material temper is by teeth portion heating materials to 500 DEG C-580 DEG C, cools after temperature retention time 1-1.5 hour; Repeat 2 ~ 3 these teeth portion material temper;
2) processing and forming and heat treatment are carried out to steel band backing: steel band backing processing and forming adopts profile milling cutter milling or form grinder grinding or laser cutting or Linear cut shaping, the heat treatment of steel band backing is that steel band backing is heated to 850 DEG C ~ 1150 DEG C, insulation 10-20 minute; Carry out subsequently being quenched to room temperature, then carry out steel band backing temper, steel band backing temper is that steel band backing is heated to 400 DEG C ~ 500 DEG C, is incubated and is cooled to room temperature after 1-1.5 hour; Repeat 2 ~ 3 these steel band backing temper;
3) by the teeth portion material after heat treatment and steel band backing high-frequency resistance welding integral, this high-frequency resistance welding adopts current load frequency to be 5 kHz ~ 20kHz, and welding current is not more than 10kA, and weld interval is 5ms ~ 90ms;
4) welding region is heat-treated;
5) processing and forming is carried out to steel band backing after teeth portion material, welding region and welding after welding, remove the welding slag that welding produces, and process cutting edge on teeth portion material.
2. independently weld the manufacture method of roll flute type bi-metal bandsaw blades according to claim 1, it is characterized in that, described cross section is leg-of-mutton cylindrical particle is cylindric, spherical or cross section is the cylindrical particle of rectangle.
3. independently weld the manufacture method of roll flute type bi-metal bandsaw blades according to claim 1, it is characterized in that, also will carry out surface treatment to steel band backing after the heat treatment of described steel band backing, surface treatment is followed successively by cleaning, ball blast and surface active, and surface active adopts pickling.
4. independently weld the manufacture method of roll flute type bi-metal bandsaw blades according to claim 1, it is characterized in that, be temper to welding region heat treatment, above-mentioned temper is that integrally welded teeth portion material and steel band backing are incubated 1-2 hour at 300 DEG C-500 DEG C.
5. independently weld the manufacture method of roll flute type bi-metal bandsaw blades according to claim 1, it is characterized in that, after described welding, after teeth portion material, welding region and welding, steel band backing processing and forming adopts grinding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310312993.1A CN103357958B (en) | 2013-07-24 | 2013-07-24 | Manufacturing method of independent welded grinding-tooth-shaped bimetal band saw blade |
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| CN201310312993.1A CN103357958B (en) | 2013-07-24 | 2013-07-24 | Manufacturing method of independent welded grinding-tooth-shaped bimetal band saw blade |
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| CN103357958B true CN103357958B (en) | 2015-07-15 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600124B (en) * | 2013-11-12 | 2016-08-17 | 浙江宏恩智能装备技术有限公司 | The manufacture method of frame saw blade |
| CN103600123B (en) * | 2013-11-12 | 2016-04-20 | 上虞市宏恩精密机械有限公司 | A kind of manufacture method of many metallic decoration wires |
| CN103862185B (en) * | 2014-03-25 | 2017-07-14 | 湖南泰嘉新材料科技股份有限公司 | A kind of saw band welder and saw band welding method |
| CN105880734A (en) * | 2014-11-24 | 2016-08-24 | 邱志强 | Production method of small high-frequency bimetal band saw blade |
| CN106346134A (en) * | 2015-12-11 | 2017-01-25 | 苏州天弘激光股份有限公司 | Carbon steel and high speed steel hybrid welding process |
| CN110202286A (en) * | 2019-05-17 | 2019-09-06 | 寇浩 | Bands for band full automatic welding tooth technique |
| CN112059303A (en) * | 2020-09-02 | 2020-12-11 | 湖南泰嘉新材料科技股份有限公司 | Conveying device and conveying method for particles at tooth tips of bimetallic strip saw blade |
| CN112589203A (en) * | 2020-12-11 | 2021-04-02 | 岳阳市青方环保科技有限公司 | Preparation process of bimetallic strip saw blade |
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|---|---|---|---|---|
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| CN1449882A (en) * | 2003-04-14 | 2003-10-22 | 倪柏钢 | Method for mfg of double-metal saw blade |
| CN1494974A (en) * | 2002-08-12 | 2004-05-12 | ���dz� | Prefabricated material for saw blade or saw web |
| CN1923447A (en) * | 2006-07-25 | 2007-03-07 | 干云标 | Bimetal cutter-saw-blade milling and processing method thereof |
| CN102337474A (en) * | 2011-08-19 | 2012-02-01 | 浙江约特工具有限公司 | Saw blade back material steel and application thereof to bimetal band saw blade |
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2013
- 2013-07-24 CN CN201310312993.1A patent/CN103357958B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3800633A (en) * | 1971-01-15 | 1974-04-02 | Eishin Kk | Method of manufacturing bimetallic high-speed cutting tools |
| CN1494974A (en) * | 2002-08-12 | 2004-05-12 | ���dz� | Prefabricated material for saw blade or saw web |
| CN1449882A (en) * | 2003-04-14 | 2003-10-22 | 倪柏钢 | Method for mfg of double-metal saw blade |
| CN1923447A (en) * | 2006-07-25 | 2007-03-07 | 干云标 | Bimetal cutter-saw-blade milling and processing method thereof |
| CN102337474A (en) * | 2011-08-19 | 2012-02-01 | 浙江约特工具有限公司 | Saw blade back material steel and application thereof to bimetal band saw blade |
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| CN103357958A (en) | 2013-10-23 |
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