CN112077317A - Low-cost iron-based alloy diamond wire saw preparation method - Google Patents
Low-cost iron-based alloy diamond wire saw preparation method Download PDFInfo
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- CN112077317A CN112077317A CN202010958521.3A CN202010958521A CN112077317A CN 112077317 A CN112077317 A CN 112077317A CN 202010958521 A CN202010958521 A CN 202010958521A CN 112077317 A CN112077317 A CN 112077317A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 239000010432 diamond Substances 0.000 title claims abstract description 67
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 65
- 239000000956 alloy Substances 0.000 title claims abstract description 55
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 55
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000011324 bead Substances 0.000 claims abstract description 57
- 239000011159 matrix material Substances 0.000 claims abstract description 36
- 238000001746 injection moulding Methods 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000004898 kneading Methods 0.000 claims abstract description 11
- 239000011230 binding agent Substances 0.000 claims abstract description 8
- 238000005245 sintering Methods 0.000 claims abstract description 8
- 238000005238 degreasing Methods 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 229920003023 plastic Polymers 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 19
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000008213 purified water Substances 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000000855 fermentation Methods 0.000 claims 1
- 230000004151 fermentation Effects 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 10
- 238000005065 mining Methods 0.000 description 6
- 239000010438 granite Substances 0.000 description 5
- 239000004579 marble Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 235000020610 powder formula Nutrition 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
- B22F3/1021—Removal of binder or filler
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/56—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.7% by weight of carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
Abstract
The invention discloses a preparation method of a low-cost iron-based alloy diamond wire saw, which comprises the following steps of 1, heating and kneading a low-cost iron-based alloy, metal powder, diamond and a water-based binder; step 2, arranging the matrix injection molding feed and the metal matrix in the same mold through an injection molding machine to be injected into a whole; step 3, performing water degreasing treatment on the bead hair culture; step 4, performing vacuum thermal degreasing on the bead hair culture, and then heating, pressurizing and sintering; step 5, adopting the arrangement and combination of beads with different diameters on the steel wire rope; and 6, threading the beads on the steel wire rope, and fixing the beads by using plastic or rubber to prepare the wire saw. The cost is reduced, the holding force of the iron-based alloy and the diamond is enhanced, the small-diameter beads are not contacted with the workpiece in the early stage by the arrangement and combination process technology of the diamond beads with different diameters on the steel wire rope, so that the contact between the whole wire saw and the workpiece is reduced, and the difficulty of low cutting speed in the early stage of using the wire saw is solved.
Description
Technical Field
The invention relates to the technical field of wire saws, in particular to a preparation method of a low-cost iron-based alloy diamond wire saw.
Background
The diamond wire saw is used as a flexible superhard material cutting tool, has a development history for more than 40 years from the surface to the present, and develops from an initial electroplating technology to a manufacturing technology taking a sintering and brazing technology as a mainstream; the range of applications is becoming wider and wider from only cutting soft stone to quarry extraction and cutting reinforced concrete or metal structural members widely used in granite mines when the manufacturing technology is new.
At the end of the 20 th century 70 s, the success of the mining and cutting tests of the diamond beaded rope saw in italian apaan marble mines led to the dwarfing of the traditional mining methods, showing the unique superiority of the new rope saw mining method. Sintered diamond beads were manufactured by powder metallurgy technology in the early 80 s and succeeded in granite sawing in 1986. In the 90 s, the CNC numerical control technology is applied to the mining rope sawing machine in the first place abroad successfully, and the rapid development of the technology is greatly promoted. With the resolution of the individual challenges, wire saws have also spanned the marble mining phase to the granite mining phase. Since the new century, research on manufacturing beads using welding technology and diamond wire saws using metal members for cutting have been successively developed.
Disclosure of Invention
The invention aims to provide a low-cost iron-based alloy diamond wire saw preparation method, which greatly reduces the production cost of products on the premise of ensuring that the iron-based alloy diamond wire saw performance reaches the cobalt-based matrix diamond wire saw performance by changing the proportion of added metal powder and adopting the process technology of arranging diamond beads with different diameters on a steel wire rope.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for preparing a low-cost iron-based alloy diamond wire saw comprises the following implementation steps:
step 1, heating and kneading low-cost iron-based alloy, metal powder, diamond and a water-based binder, and then preparing a matrix for injection molding and feeding;
step 2, arranging the matrix injection molding feed and the metal substrate in the same mold through an injection molding machine to be injected into a whole, and performing injection molding to obtain bead blank culture;
step 3, performing water degreasing treatment on the bead hair culture;
step 4, performing vacuum thermal degreasing on the bead hair culture, and then heating, pressurizing and sintering to prepare the diamond wire saw bead;
step 5, adopting the arrangement and combination of beads with different diameters on the steel wire rope;
and 6, threading the beads on the steel wire rope, and fixing the beads by using plastic or rubber to prepare the wire saw.
According to the preparation method of the low-cost rope saw of the iron-based alloy diamond, iron-based alloy, metal powder and diamond are smelted into a tire body through a water-based binder and fed in an injection molding mode, diamond rope saw beads are obtained through firing, beads with different diameters are arranged and combined on a steel wire rope, and finally the beads are fixed through plastics or rubber to prepare the rope saw.
According to the rope saw preparation method of the low-cost iron-based alloy diamond, a high-cost cobalt powder formula is not used as a tire body, but the low-cost iron-based alloy is used as the alloy tire body, so that the material cost is greatly reduced.
Adding proper strong carbon compound into iron-based alloy powder to form elements of Ti, Cr and Mo, wherein the content of Ti, Cr and Mo is 750-9000And C, forming chemical bonds with the surface of the diamond at the sintering temperature to improve the holding force of the matrix and the diamond.
Ni element is added into the iron-based alloy powder to reduce abrasion between the matrix and a workshop, thereby reducing the influence of the temperature of the beads on the performance of the diamond during working.
The performance of the low-cost iron-based alloy as an alloy matrix in the aspects of cutting marble, granite, sandstone and reinforced concrete reaches the performance of a cobalt-based matrix.
The diamond beads with different diameters are used and combined in the arrangement of the steel wire rope, and the beads with small diameters are not contacted with the workpiece in the early stage, so that the contact between the whole wire saw and the workpiece is reduced, and the difficulty that the cutting speed is low in the early stage of the use of the wire saw is solved.
Preferably, the step 1 specifically includes:
step 11, weighing 70-80% of iron-based alloy powder, 3-7% of Ni powder, 1-4% of Cr powder, 0.7-2.5% of Ti powder, 0.4-1% of Mo powder and 10-14% of diamond according to mass percent, and putting the materials into a mixing machine to mix for 3-4 hours to prepare iron-based alloy diamond mixed powder;
step 12, weighing 80-90% of the obtained iron-based alloy diamond mixture and 10-20% of a water-based binder according to mass percentage;
step 13, adding the water-based adhesive weighed in the step 12 into a kneader and heating to 170%0C ~2100C；
After the water-based adhesive is melted, adding the iron-based alloy diamond mixture weighed in the step 12 into the kneader in the step 13 for multiple times, adding a new mixture after the original iron-based alloy diamond mixture in the kneader is melted every time, and continuously heating and kneading for 1-2 hours in kneading and jointing after all the mixtures are added to obtain a kneaded material;
and 15, taking the kneaded material prepared in the step 14 out of the kneader, naturally cooling the kneaded material, and crushing the kneaded material into granular matrix injection molding feed by a crusher.
Uniformly mixing iron-based alloy powder, various metal powders and diamonds to ensure that the diamonds on the prepared iron-based alloy diamond matrix are uniformly distributed;
after the water-based binder is melted, in order to avoid overlong melting and kneading time caused by adding the iron-based alloy diamond mixture completely at one time, the iron-based alloy diamond mixture is promoted to be oxidized at high temperature, so that the iron-based alloy diamond mixture is added for multiple times. For example, the iron-based alloy diamond mixture can be added 5 times: 1/3 of the total amount of the iron-based alloy diamond mixture is added for the first time, after the materials are completely melted, 1/3 of the balance is added for the second time, 1/2 of the balance is added for the third time, 1/2 of the balance is added for the fourth time, finally, the balance materials are completely added, heating and kneading are continued for 1 hour, a heating power supply is closed, the mixture is naturally cooled to be blocky and is crushed into granular matrix by a crusher for injection molding feeding.
Preferably, in the step 2, a metal matrix is placed in a mold of an injection molding machine, then the matrix injection molding feed is injected into the mold, the matrix injection molding feed is coated on the surface of the metal matrix, a bead blank with a diamond alloy matrix coated on the surface of the metal matrix is formed by injection molding, and the thickness of the injected matrix injection molding feed is 2-3mmThe working temperature of the injection molding machine is 200 DEG0C。
Preferably, the step 3 specifically includes:
step 31, soaking the bead hair culture prepared in the step 2 in purified water for 1-2 hours, and taking out the bead hair culture and cleaning;
and step 32, soaking the bead hair culture prepared in the step 31 in new purified water for 2-3 hours, and then taking out the bead hair culture, cleaning and drying.
Preferably, in the step 4, the temperature of the vacuum sintering pressurizing furnace is 750-9000 ℃, and the high pressure is 200-350 kg/cm 2.
Preferably, in the step 5, beads with different diameters are arranged and combined on the steel wire rope, so that the contact quantity of the beads and a workpiece is reduced, the normal work of the wire saw can be ensured at the beginning, and the auxiliary time is reduced. Wherein the diameter of the steel wire rope is phi 4.9 mm.
Preferably, in the step 6, the bead is threaded on the steel wire rope, and then the bead is fixed by plastic or rubber to form the wire saw.
The preparation method of the low-cost rope saw of the iron-based alloy diamond greatly saves energy consumption, reduces cost, enhances the holding force of the iron-based alloy and the diamond, and reduces abrasion between a tire body and a workpiece, thereby reducing the influence of the temperature of beads on the performance of the diamond during working.
Drawings
The invention is further described below with reference to the drawings and the following examples.
Fig. 1 is a view of the cord saw of the present invention.
Fig. 2 is a diagram of a diamond bead of the present invention.
Detailed Description
The technical solution of the present invention will be further explained by the following specific embodiments.
Step 1, preparing matrix injection molding feed
Step 11, weighing 70-80% of iron-based alloy powder, 3-7% of Ni powder, 1-4% of Cr powder, 0.7-2.5% of Ti powder, 0.4-1% of Mo powder and 10-14% of diamond according to mass percentage, and putting the materials into a mixing machine to mix for 3-4 hours to prepare an iron-based alloy diamond mixture;
step 12, weighing 80-90% of the obtained iron-based alloy diamond mixture and 10-20% of a water-based binder according to mass percentage;
step 13, adding the water-based adhesive weighed in the step 12 into a kneader and heating to 1700C-2100C;
step 14, after the water-based adhesive is melted, adding the iron-based alloy diamond mixture weighed in the step 12 into the kneader in the step 13 for multiple times, wherein a new mixture is added after the original iron-based alloy diamond mixture in the kneader is melted every time, and continuously heating and kneading for 1-2 hours in a kneading joint after all the mixtures are added to prepare a kneaded material;
and 15, taking the kneaded material prepared in the step 14 out of the kneader, naturally cooling the kneaded material, and crushing the kneaded material into granular matrix injection molding feed by a crusher.
Step 2, firstly putting a metal matrix into a mold of an injection molding machine, then injecting the matrix injection feed into the mold, and injecting the matrix into the moldCoating the plastic feed on the surface of the metal substrate, and performing injection molding to form a bead blank with a diamond alloy matrix coated on the surface of the metal substrate, wherein the thickness of the injected matrix injection molding feed is 2-3mmThe working temperature of the injection molding machine is 200 DEG0C。
Step 3, performing water degreasing treatment on the bead hair culture
Step 31, soaking the bead hair culture prepared in the step 2 in purified water for 1-2 hours, and taking out the bead hair culture and cleaning;
step 32, soaking the bead hair culture prepared in the step 31 in new purified water for 2-3 hours, then taking out the bead hair culture, cleaning and drying
Step 4, the temperature of the vacuum sintering pressurizing furnace is 750-900 DEG0C, high pressure of 200-350 kg/cm2
And 5, arranging and combining the beads with different diameters on the steel wire rope, wherein the diameter of the steel wire rope is phi 4.9 mm.
And 6, threading the beads on the steel wire rope, and fixing the beads by using plastic or rubber to prepare the wire saw.
The preparation method of the low-cost rope saw of the iron-based alloy diamond greatly saves energy consumption, reduces cost, enhances the holding force of the iron-based alloy and the diamond, and reduces abrasion between a tire body and a workpiece, thereby reducing the influence of the temperature of beads on the performance of the diamond during working.
Cutting medium-hard granite with cutting efficiency of 3-5m2H, life 8-12m2M. processing cost 20-30 yuan/m, cutting the beige marble: cutting efficiency of 5-8m2H, life 20-25m2And/m, the processing cost is 11 yuan/m.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (6)
1. A preparation method of a low-cost iron-based alloy diamond wire saw is characterized by comprising the following steps:
step 1, heating and kneading low-cost iron-based alloy, metal powder, diamond and a water-based binder, and then preparing a matrix for injection molding and feeding;
step 2, arranging the matrix injection molding feed and the metal substrate in the same mold through an injection molding machine to be injected into a whole, and performing injection molding to obtain bead blank culture;
step 3, performing water degreasing treatment on the bead hair culture;
step 4, performing vacuum thermal degreasing on the bead hair culture, and then heating, pressurizing and sintering to prepare the diamond wire saw bead;
step 5, adopting the arrangement and combination of beads with different diameters on the steel wire rope;
and 6, threading the beads on the steel wire rope, and fixing the beads by using plastic or rubber to prepare the wire saw.
2. The method for manufacturing the wire saw of the iron-based alloy diamond according to the claim 1, wherein the step 1 specifically comprises the following steps:
step 11, weighing 70-80% of iron-based alloy powder, 3-7% of Ni powder, 1-4% of Cr powder, 0.7-2.5% of Ti powder, 0.4-1% of Mo powder and 10-14% of diamond according to mass percentage, and putting the materials into a mixing machine to mix for 3-4 hours to prepare an iron-based alloy diamond mixture;
step 12, weighing 80-90% of the obtained iron-based alloy diamond mixture and 10-20% of a water-based binder according to mass percentage;
step 13, adding the water-based adhesive weighed in the step 12 into a kneader and heating to 170%0C ~2100C；
Step 14, after the water-based adhesive is melted, adding the iron-based alloy diamond mixture weighed in the step 12 into the kneader in the step 13 for multiple times, wherein a new mixture is added after the original iron-based alloy diamond mixture in the kneader is melted every time, and continuously heating and kneading for 1-2 hours in a kneading joint after all the mixtures are added to prepare a kneaded material;
and 15, taking the kneaded material prepared in the step 14 out of the kneader, naturally cooling the kneaded material, and crushing the kneaded material into granular matrix injection molding feed by a crusher.
3. The method for preparing a low-cost iron-based alloy diamond wire saw according to claim 1, wherein the method comprises the following steps: step 2, firstly putting a metal matrix into a mold of an injection molding machine, then injecting the matrix injection molding feed into the mold, coating the matrix injection molding feed on the surface of the metal matrix, and performing injection molding to form a bead blank with a diamond alloy matrix coated on the surface of the metal matrix, wherein the thickness of the injected matrix injection molding feed is 2-3mmThe working temperature of the injection molding machine is 200 DEG0C。
4. The method for preparing the wire saw of the low-cost iron-based alloy diamond according to claim 1, wherein the step 3 specifically comprises the following steps:
step 31, soaking the bead hair culture prepared in the step 2 in purified water for 1-2 hours, and then carrying out secondary fermentation on the soaked bead hair culture
Taking out the bead hair culture and cleaning;
and step 32, soaking the bead hair culture prepared in the step 31 in new purified water for 2-3 hours, and then taking out the bead hair culture, cleaning and drying.
5. The method for preparing a low-cost iron-based alloy diamond wire saw according to claim 1, wherein the method comprises the following steps: in the step 4, the temperature of vacuum sintering is 750-900 DEG0C, high pressure of 200-350 kg/cm2。
6. The method for preparing a low-cost iron-based alloy diamond wire saw according to claim 1, wherein the method comprises the following steps: in step 5, the diameter of the steel wire rope is phi 4.9 mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369582A (en) * | 2021-06-28 | 2021-09-10 | 中国有色桂林矿产地质研究院有限公司 | Manufacturing method of annular diamond wire saw |
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|---|---|---|---|---|
| RU2020071C1 (en) * | 1991-06-13 | 1994-09-30 | Владислав Васильевич Бородин | Rope saw |
| CN1836869A (en) * | 2006-04-21 | 2006-09-27 | 桂林矿产地质研究院 | >Diamond rope saw bead possessing equal-wearing carcass structure |
| CN201669805U (en) * | 2010-05-08 | 2010-12-15 | 桂林华锋金刚石科技有限公司 | Bead-like type diamond wire saw |
| CN102825254A (en) * | 2012-09-05 | 2012-12-19 | 厦门致力金刚石科技股份有限公司 | Diamond bead string and manufacturing method thereof as well as rope saw without base body supporting layer |
| CN203045994U (en) * | 2013-01-23 | 2013-07-10 | 泉州市利器金刚石工具有限公司 | Iron-based binding agent diamond wire saw |
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| CN110586926A (en) * | 2019-09-12 | 2019-12-20 | 厦门高时实业有限公司 | Method for preparing diamond wire saw bead based on brazing |
| CN110976878A (en) * | 2019-12-25 | 2020-04-10 | 荣成中磊科技发展有限公司 | Preparation method of diamond wire saw bead based on metal powder extrusion molding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369582A (en) * | 2021-06-28 | 2021-09-10 | 中国有色桂林矿产地质研究院有限公司 | Manufacturing method of annular diamond wire saw |
| CN113369582B (en) * | 2021-06-28 | 2022-12-02 | 中国有色桂林矿产地质研究院有限公司 | Manufacturing method of annular diamond wire saw |
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Application publication date: 20201215 |