Summary of the invention
The present invention will solve short technical problem of existing wire rope for bead type diamond wire saw easy fracture, service life.The invention provides a kind of Buddha's warrior attendant rope saw steel cable, twisted together by steel wire strand, steel wire is comprised of metal level and amorphous coating for this reason.
Technical scheme provided by the invention is a kind of wire rope for bead type diamond wire saw, twisted together by steel wire strand, and steel wire is comprised of metal wire and the amorphous coating that is coated on metal wire outer surface.
Amorphous alloy is called again glassy metal, has that long-range is unordered, the metastable structure feature of shortrange order.When solid-state, the three dimensions of its atom is topological disorder arrangement, and this state keeps relative stability in certain temperature range.Compare with traditional crystal alloy, non-crystaline amorphous metal possesses the performance of a lot of excellences, as high strength, high rigidity, wear-resisting and corrosion-resistant etc.Compare with common wire, steel cable intensity of the present invention, wearability obviously improve.
As preferably, wire diameter is 0.1-3.5mm, and coating layer thickness is 2-30um.
As preferably, wire rope for bead type diamond wire saw comprises central SMIS and around the rope sheath of middle core outer surface, SMIS has 2~4 layers of steel wire, respectively has from the inside to surface 1-12 root steel wire to be closely arranged in parallel; Around middle core outer surface, have 3~8 groups of rope sheaths, around the twisting in the shape of a spiral of SMIS skin, every group of rope sheath has layer 2-3 steel wire, respectively has from the inside to surface 1-12 root steel wire to be closely arranged in parallel.The steel cable inner wire of this kind of structure is arranged very tight, and effectively barrier material chip enters the friction producing with steel cable in steel cable.
As preferably, in amorphous coating, contain silicon-carbide particles.Carborundum is solid-state in molten amorphous state alloy, and hardness is very high, can further improve the wearability of amorphous coating, and also can bring into play shear action when the high-speed motion with steel cable, increases work efficiency.
As preferably, the mass ratio of silicon-carbide particles and amorphous alloy is 1:10, and the diameter of silicon-carbide particles is 10-20um.
The steel wire diameter of diamond rope saw is mostly at 0.1~3.5mm, and the amorphous alloy temperature of melting is generally at 600~1000 ℃, when being in contact with it, finer wire is easy to because high temperature causes performance change, the present invention can obtain this special amorphous metal silk by special processing technology, and concrete processing method is:
1), amorphous alloy preparation
One or more amorphous alloys are placed in to the electric arc furnaces melting under inert gas atmosphere, require vacuum to be less than 2 * 10
-3pa, melting electric current is 350~550A, under copper mold casting condition, makes foundry alloy;
2), amorphous alloy and metal wire are compound
The foundry alloy preparing is packed in the quartzy stove of high-frequency heating into heating and melting foundry alloy insulation; Metal wire is quick through the quartzy stove extrusion of molten condition amorphous alloy is housed, the speed of passing through is 4~1000mm/ second, make metal wire outer surface apply equably last layer aluminium alloy, after quartzy stove, aluminium alloy is fast cooling is coated with metal wire outer surface to be covered with one deck amorphous alloy composite bed equably, thereby obtains the steel wire by modified by amorphous alloy.
3), twisting rope making
The many above-mentioned steel wires by modified by amorphous alloy that prepare are twisted into diamond rope saw steel cable.
Due to 2) strictly controlled steel wire by the speed of molten amorphous state alloy extrusion in amorphous alloy and metal wire recombination process, thereby controlled the time of contact of metal level and high-temperature fusion amorphous alloy, make high temperature substantially not produce any impact to metal level performance, the wire rod of gained can meet the instructions for use of diamond rope saw.
For adapting to the needs of different cutting materials, further improve intensity, wearability and decay resistance and the service life of cutting wire rod, described amorphous alloy has three kinds when above, and for foundry alloy is mixed, its step of preparation process is as follows:
1), amorphous alloy preparation
Two or more different metal base amorphous alloy of high-melting-point is placed in to the electric arc furnaces melting under the inert gas atmosphere that molten Ti purifying crosses in proportion, and adopts electromagnetic agitation, require vacuum to be less than 2 * 10
-3pa, melting electric current is 350~550A, melting is to guarantee to obtain the uniform intermediate alloy of composition; Second step is put into crucible in proportion by intermediate alloy and other Metal Substrate amorphous alloys, and crucible is placed in to vacuum drying oven, and vacuum is evacuated to 1 * 10
-2below Pa, pour inert gas as protective gas, the pressure of inert gas is 0.3~0.7 atmospheric pressure, melting under 600~1100 ℃ of conditions of temperature, and then make foundry alloy under copper mold casting condition;
2), amorphous alloy and metal wire are compound
The foundry alloy preparing is packed in the quartzy stove of high-frequency heating into heating and melting foundry alloy insulation; Metal wire is quick through the quartzy stove extrusion of molten condition foundry alloy is housed under the traction of Winding wheel, the speed of passing through is 1~1000mm/ second, allow metal wire outer surface be covered with equably one deck aluminium alloy, after quartzy stove, the quick cooling metal wire outer surface that makes of aluminium alloy has been covered with one deck amorphous alloy composite bed equably, thereby obtains the steel wire by modified by amorphous alloy;
3), twisting rope making
The many above-mentioned steel wires by modified by amorphous alloy that prepare are twisted into diamond rope saw steel cable.
Due to 1) in smelting amorphous state alloy in two steps, guaranteed that alloy compositions is even, thus guarantee layer on surface of metal amorphous alloy composition of layer evenly, guarantee cutting surfaces quality.While containing carborundum in amorphous coating, 1) in amorphous alloy preparation process, can, by carborundum in two steps melting the same as amorphous alloy composition, make its distribution in steel wire more even.
In amorphous alloy, contain the preparation method of steel cable for the Buddha's warrior attendant rope saw of silicon-carbide particles, there is following processing step:
1), amorphous alloy preparation
One or more amorphous alloys and silicon-carbide particles are placed in to the electric arc furnaces melting under inert gas atmosphere, require vacuum to be less than 2 * 10
-3pa, melting electric current is 350~550A, under copper mold casting condition, makes foundry alloy;
2), amorphous alloy and metal wire are compound
The foundry alloy preparing is packed in the quartzy stove of high-frequency heating into heating and melting foundry alloy insulation; Metal wire is quick through the quartzy stove extrusion of molten condition amorphous alloy is housed, the speed of passing through is 1~1000mm/ second, make metal wire outer surface be covered with equably one deck aluminium alloy, after quartzy stove, the quick cooling metal wire outer surface that makes of aluminium alloy has been covered with one deck amorphous alloy composite bed equably, thereby obtains the steel wire by modified by amorphous alloy;
3), twisting rope making
The many above-mentioned steel wires by modified by amorphous alloy that prepare are twisted into diamond rope saw steel cable.
For adapting to the needs of different cutting materials, further improve intensity, wearability and decay resistance and the service life of cutting wire rod, while containing silicon-carbide particles more than described amorphous alloy has three kinds and in amorphous alloy, for foundry alloy is mixed, there is following processing step:
1), amorphous alloy preparation
Two or more different metal base amorphous alloy of high-melting-point and a part of silicon-carbide particles are placed in to the electric arc furnaces melting under the inert gas atmosphere that molten Ti purifying crosses in proportion, and adopt electromagnetic agitation, require vacuum to be less than 2 * 10
-3pa, melting electric current is 350~550A, melting is to guarantee to obtain the uniform intermediate alloy of composition; Second step is put into crucible in proportion by intermediate alloy and other Metal Substrate amorphous alloys and remaining silicon-carbide particles, and crucible is placed in to vacuum drying oven, and vacuum is evacuated to 1 * 10
-2below Pa, pour inert gas as protective gas, the pressure of inert gas is 0.3~0.7 atmospheric pressure, melting under 600~1100 ℃ of conditions of temperature, and then make foundry alloy under copper mold casting condition;
2), amorphous alloy and metal wire are compound
The foundry alloy preparing is packed in the quartzy stove of high-frequency heating into heating and melting foundry alloy insulation; Metal wire is quick through the quartzy stove extrusion of molten condition foundry alloy is housed under the traction of Winding wheel, the speed of passing through is 1~1000mm/ second, allow metal wire outer surface be covered with equably one deck aluminium alloy, after quartzy stove, the quick cooling metal wire outer surface that makes of aluminium alloy has been covered with one deck amorphous alloy composite bed equably, thereby obtain the steel wire by modified by amorphous alloy
3), twisting rope making
The many above-mentioned steel wires by modified by amorphous alloy that prepare are twisted into diamond rope saw steel cable.
Due to 1) in smelting amorphous state alloy in two steps, guaranteed that alloy compositions is even, thus guarantee layer on surface of metal amorphous alloy composition of layer evenly, guarantee cutting surfaces quality.While containing carborundum in amorphous coating, 1) in amorphous alloy preparation process, can, by carborundum in two steps melting the same as amorphous alloy composition, make its distribution in steel wire more even.
As preferably, metal wire is 500-800mm/ second through the speed of the quartzy stove extrusion of molten condition foundry alloy is housed.
The invention has the beneficial effects as follows, diamond rope saw provided by the invention extends more than 80% than conventional rope with steel wire service life.The intensity and the wearability that show steel wire are greatly improved, and have greatly improved the service life of steel wire, have reduced production cost.
The specific embodiment
Embodiment mono-
First embodiment of wire rope for bead type diamond wire saw of the present invention as shown in Figure 3, wire rope for bead type diamond wire saw comprises central SMIS and around 6 groups of rope sheaths of middle core outer surface.Middle core diameter is 1.86mm, and rope sheath diameter is 1.57mm, and the SMIS steel wire that haves three layers, respectively has 1,6,12 steel wire to be closely arranged in parallel from the inside to surface, and wherein the steel wire diameter in bosom is 0.44mm; Wire of intermediate layer diameter is 0.37mm, and cover wire diameter is 0.34mm; 6 groups of rope sheaths are around the twisting in the shape of a spiral of SMIS skin, and every group of rope sheath steel wire that haves three layers, respectively has 1,6,12 steel wire to be closely arranged in parallel from the inside to surface, and wherein the steel wire diameter in bosom is 0.34mm; Wire of intermediate layer diameter is 0.32mm, and cover wire diameter is 0.295mm.
Steel wire as shown in Figure 1, is comprised of metal wire and the amorphous alloy layer that is coated on metal wire outer surface.Metal wire is the pre-modification wire rod of steel wire.
The preparation method of above-mentioned wire rope for bead type diamond wire saw has following processing step:
One. amorphous master alloy material composition is than (weight portion)
Two. wear-resisting foundry alloy material manufacture craft
By 28.5 parts of high-melting-point magnesium-base amorphous alloys, 3.5 parts of molybdenum matrix amorphous state alloys, be placed in the electric arc furnaces melting under the inert gas atmosphere that molten Ti purifying crosses, and adopt electromagnetic agitation, require vacuum to be less than 2 * 10
-3pa, melting electric current is 350A, melting is to guarantee to obtain the uniform intermediate alloy of composition; Second step is put into crucible by 18.5 parts of 49.5 parts of intermediate alloy and nickel base amorphous alloys and cu-base amorphous alloy, and crucible is placed in to vacuum drying oven, and vacuum is evacuated to 1 * 10
-2below Pa, pour inert gas as protective gas, the pressure of inert gas is 0.3 atmospheric pressure, melting under 600 ℃ of conditions of temperature, and then under copper mold casting condition, make 100 parts of foundry alloys
Three. amorphous alloy and steel wire coating processes
The foundry alloy preparing is packed in the quartzy stove of high-frequency heating into heating and melting foundry alloy insulation; The steel wire that oneself is stretched is quick through the quartzy stove extrusion of molten condition foundry alloy is housed under the traction of Winding wheel, the speed of passing through is V=500mm/ second, allow Steel Wire Surface evenly apply last layer aluminium alloy, fast coolingly after quartzy stove steel wire surface uniform is coated be covered with the amorphous alloy composite bed of one deck containing solia particle, thereby has obtained a kind of steel wire by modified by amorphous alloy.
Four. steel wire strand twists into diamond rope saw steel cable.
The made amorphous alloy composite bed steel wire of example one is made to rope for bead string type diamond shown in accompanying drawing 3, and rope saw comprising SMIS that rope saw is central and around the rope sheath of middle core outer surface.The SMIS steel wire that haves three layers, respectively has 1,6,12 steel wire to be closely arranged in parallel from the inside to surface; Around middle core outer surface, have 6 groups of rope sheaths, around the twisting in the shape of a spiral of SMIS skin, every group of rope sheath steel wire that haves three layers, respectively has 1,6,12 steel wire to be closely arranged in parallel from the inside to surface.This wire rope for bead type diamond wire saw is mainly used in mining and concrete/steel construction cutting rope saw, actual operating period extend 100%---120% than conventional rope.
Embodiment bis-:
Second embodiment of wire rope for bead type diamond wire saw of the present invention as shown in Figure 4, wire rope for bead type diamond wire saw comprises central SMIS and around 6 groups of rope sheaths of middle core outer surface.Middle core diameter is 1.74mm, and rope sheath diameter is 1.465mm, and the SMIS steel wire that haves three layers, respectively has 1,6,12 steel wire to be closely arranged in parallel from the inside to surface, and wherein the steel wire diameter in bosom is 0.42mm; Wire of intermediate layer diameter is 0.38mm, and cover wire has two kinds of specifications, and wherein 6 diameters are that 0.38mm, 6 diameters are 0.28mm, and two kinds of steel wires are spaced; 6 groups of rope sheaths are around the twisting in the shape of a spiral of SMIS skin, and every group of rope sheath has 2 layers of steel wire, and middle one, outer 6 steel wires are closely arranged in parallel, and wherein the steel wire diameter at center is 0.525mm; Cover wire diameter is 0.47mm.
Steel wire as shown in Figure 2, is comprised of metal wire and the amorphous alloy layer that is coated on the silicon carbide-containing particulate of metal wire outer surface.Metal wire is the pre-modification wire rod of steel wire.
The preparation method of above-mentioned wire rope for bead type diamond wire saw has following processing step:
One. silicon carbide-containing particulate amorphous master alloy material composition parts by weight
Two. amorphous master alloy material manufacture craft
By magnesium base amorphous 18.5 parts of high-melting-point, 3.5 parts of zirconium-base amorphous 6.0 parts and cerium base amorphous, be placed in the electric arc furnaces melting under the inert gas atmosphere that molten Ti purifying crosses, and adopt electromagnetic agitation, require vacuum to be less than 2 * 10
-3pa, melting electric current is 550A, melting is to guarantee to obtain the uniform intermediate alloy of composition; Second step is put into crucible by 10 parts of 66.5 parts of intermediate alloy and Ni-based amorphous and Fe-based amorphous 5.5 parts, silicon-carbide particles, and crucible is placed in to vacuum drying oven, and vacuum is evacuated to 1 * 10
-2below Pa, pour inert gas as protective gas, the pressure of inert gas is 0.5 atmospheric pressure, melting under 1100 ℃ of conditions of temperature, and then under copper mold casting condition, make 100 parts of foundry alloys
Three. amorphous alloy and Wire rod plaster-coated coating process
The foundry alloy preparing is packed in the quartzy stove of high-frequency heating into heating and melting foundry alloy insulation; The steel wire that oneself is stretched or zinc-plated wire rod are quick through the quartzy stove extrusion of molten condition foundry alloy is housed under the traction of Winding wheel, the speed of passing through is V=800mm/ second, allow Steel Wire Surface evenly apply last layer aluminium alloy, fast coolingly after quartzy stove steel wire surface uniform is coated be covered with the amorphous alloy composite bed of one deck containing solia particle, thereby has obtained a kind of steel wire by modified by amorphous alloy.
Four. multiply steel wire strand twists into diamond rope saw.Steel wire twists into diamond rope saw.
The made amorphous alloy composite bed steel wire of example two is made to rope saw for bead string type diamond shown in accompanying drawing 4, and bead string type diamond is sawed and is comprised central SMIS and around the rope sheath of middle core outer surface with rope.SMIS has 4 layers of steel wire, respectively has from the inside to surface 1,6,6,6 steel wire to be closely arranged in parallel; Around middle core outer surface, have 6 groups of rope sheaths, around the twisting in the shape of a spiral of SMIS skin, every group of rope sheath has 2 layers of steel wire, respectively has from the inside to surface 1,6 steel wire to be closely arranged in parallel.This diamond rope saw with steel cable be mainly used in abnormal shape (cylinder, curved surface) processing of stone rope saw, wherein zinc-plated wire rod will be organized cutting rope saw, actual operating period than conventional rope prolongation 80%---120% for stone material (granite) sheet material more.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.