CN105921809B - A kind of sawing method of hot rolled aluminium - Google Patents
A kind of sawing method of hot rolled aluminium Download PDFInfo
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- CN105921809B CN105921809B CN201610378760.5A CN201610378760A CN105921809B CN 105921809 B CN105921809 B CN 105921809B CN 201610378760 A CN201610378760 A CN 201610378760A CN 105921809 B CN105921809 B CN 105921809B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/003—Sawing machines or sawing devices with circular saw blades or with friction saw discs for particular purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
- B23D59/02—Devices for lubricating or cooling circular saw blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0046—Devices for removing chips by sucking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a kind of sawing method of hot rolled aluminium, Step 1: the hot rolled aluminium sawing machine sawing alloy saw blade after installation improvement；Step 2: the preparation before the start of hot rolled aluminium sawing machine；Step 3: the control of oil mist system；Step 4: opening hot rolled aluminium sawing machine promotes roller-way drive device；Step 5: the control of sawing alloy saw blade peripheral speed；Step 6: open aluminium skimmings retracting device；Step 7: place hot rolled aluminium to be cut.The sawing method of this hot rolled aluminium effectively solution can solve the problem that the problem of heavy-duty shears shear the otch end face plagiocephaly that aluminium sheet occurs, flattening and bending, greatly reduce the cutting cost of sawing hot rolled aluminium, improve the smoothness and flatness of sawing end face, reduce the labor intensity of operating personnel, improve the production efficiency of sawing aluminium sheet, the aluminium skimmings during sawing aluminium sheet have effectively been reclaimed simultaneously, improve economic benefit.
Description
Technical field
The present invention relates to hot rolled aluminium processing technique field, more particularly to a kind of sawing method of hot rolled aluminium.
Background technology
For the thickness of hot rolled aluminium mainly between the ㎜ of 1.0 ㎜ ~ 200, the blanking cutting of hot rolled aluminium is always puzzlement industry
In technical barrier, be primarily present cutting section easily occur out-of-flatness, flattening, bending situation；Especially middle thickness exists
20 more than ㎜ middle thick aluminium sheet carries out shearing blanking, otch can produce after shearing under high-temperature condition after rolling with heavy-duty shears
Raw obvious plagiocephaly, flattening and bending, beyond the required margin of tolerance；Need subsequently under cold pressing state, by two side pressures
Flat, the cropping saw of bending is cut away；Cut deal to go out high-quality, it is also necessary to increase straightener sheet material caused by shearing is curved
Song, distortion carry out leveling；Unnecessary manufacturing procedure has been increased since so, is unfavorable for the raising of production efficiency, adds
The input of equipment and cost of labor, it also add the labor intensity of operating personnel；Many defect of the inventor based on prior art
A kind of online sawing method of hot rolled aluminium is invented and can solve the problem that the problem of prior art is present, and a upper hot saw is than upper
The expense of one heavy-duty shears is much lower, and replacing saw blade is more much lower than the expense for changing shear knife, greatly reduces
Cut the cutting cost of hot rolled aluminium；Hot rolled aluminium sawing end face is realized, it is smooth, it is smooth, yield rate is improved, while oil gas is micro-
The mode of lubrication is measured, aluminium skimmings can reclaim, and improve the recycling of aluminium scrap bits, add considerable economic benefit.
The content of the invention
It is insufficient existing for above-mentioned technical problem the invention aims to solve, there is provided a kind of sawing side of hot rolled aluminium
Method, the sawing method of the hot rolled aluminium use planer-type, mainly by the adjustment of the space width of terraced flat tooth and changing saw blade
Peripheral speed, to realize the purpose of the present invention, present invention process is simple, simplifies the processing technology of sawing hot rolled aluminium, realizes
Sawing of hot rolled aluminium is with regard to that can reach hot rolled aluminium sawing end face, smooth, smooth, carrot-free technological requirement and permission
The margin of tolerance.
The step of present invention uses the sawing method of hot rolled aluminium is as follows：
Step 1: the hot rolled aluminium sawing machine sawing alloy saw blade after installation improvement：Hot rolled aluminium sawing machine after improvement
The matrix material of sawing alloy saw blade uses alloy tool steel, and the sawtooth of sawing alloy saw blade uses terraced flat tooth, and sawtooth spacing is
55 ~ 60mm, and on hot rolled aluminium sawing machine；
Step 2: the preparation before the start of hot rolled aluminium sawing machine：Check that hot rolled aluminium sawing machine promotes roller-way to be in good
State, check sawing alloy saw blade the degree of wear, when the sawtooth of sawing alloy saw blade may wear at the 2/3 of sawtooth
Just need to change sawing alloy saw blade；
Step 3: the control of oil mist system：Check that oil mist system is in good state simultaneously, open mist of oil
Lubricating system makes the fountain height of mist of oil control in 0.4 ~ 0.5ml/min, and gas pressure control is in 0.4 ~ 0.7MPa；
Step 4: opening hot rolled aluminium sawing machine promotes roller-way drive device：By step 2 to hot rolled aluminium sawing machine
The inspection of roller-way is promoted in the case of in shape, starts hot rolled aluminium sawing machine and promotes roller-way drive device to make hot rolling
Aluminium sheet sawing machine promotes roller-way to be in uniform rotation, and velocity of rotation is controlled in 4 ~ 5m/min；
Step 5: the control of sawing alloy saw blade peripheral speed：Sawing alloy saw blade peripheral speed is controlled in 60 ~ 80m/s；
Step 6: open aluminium skimmings retracting device：The capital equipment of aluminium skimmings retracting device is air exhauster, passes through air exhauster suction
Effect make aluminium skimmings that aluminium skimmings are drawn onto in the retracting device of aluminium skimmings by air draft pipe；The power selection of air exhauster be 18.5 ~
20kw, Boiler pressure control is in 4600 ~ 6762m3/ h, the rotation speed of fan of air exhauster are controlled in 2500 ~ 2900r/min；
Step 7: place hot rolled aluminium to be cut：When Step 3: Step 4: the equipment in step 6 is in normal boot-strap fortune
When capable state, will the hot rolled aluminium of sawing be placed on hot rolled aluminium sawing machine and promote above roller-way, pass through hot rolling
Aluminium sheet sawing machine promotes the at the uniform velocity rotation of roller-way, drives hot rolled aluminium to be sawed from the feeding end of hot rolled aluminium sawing machine to sawing alloy
The position movement of piece, the feed speed control of hot rolled aluminium is in 3 ~ 4m/min, when hot rolled aluminium is moved to positioning rule, heat
Rolling aluminium sheet sawing machine promotes roller-way to stop operating, and at this moment starts the sawing alloy saw blade of hot rolled aluminium sawing machine, sawing alloy saw
Piece is controlled in 0.7 ~ 1 m/min from hot rolled aluminium traverse feed, the feed speed of sawing alloy saw blade；Aluminium after hot rolling technology
Plate temperature carries out sawing to hot rolled aluminium in the state of being 100 ~ 300 DEG C, the thickness of hot rolled aluminium selects 20 ~ 200 ㎜ middle thickness
Hot rolled aluminium.
Wherein in step 1, test by analysis and repeatedly, the sawtooth spacing of original sawing alloy saw blade in 15 ~ 25mm
Sawing alloy saw blade, it is 55 ~ 60mm to be improved to space width；On the one hand, the sawtooth spacing of usual sawing alloy saw blade 15 ~
25mm, but find that the heating of sawing alloy saw blade is serious in sawing process, test by analysis and repeatedly, find out sawing alloy saw blade
Heating cause, sawtooth spacing is too small in 15 ~ 25mm, and sawtooth is overstocked, and the appearance bits amount of between cog diminishes, and easily causes sawing alloy saw blade
Heating；Other sawtooth is excessive, and if amount of feeding mismate, the amount of cutting of per tooth is seldom, can aggravate the friction of cutting edge and workpiece,
Cause sawing alloy saw blade to generate heat, influence the service life of blade；By experiment repeatedly when between the sawtooth of sawing alloy saw blade
Away from control when 55 ~ 60mm, the caloric value of sawtooth can not only be effectively reduced, and the bits of the appearance between sawtooth can also be improved
Amount, while also advantageously improve the cutting-rate of sawing aluminium sheet；On the other hand, by experiment largely repeatedly, in order to improve
In the life-span of sawing alloy saw blade, the material carbon tool steel of matrix is changed to alloy tool steel, because carbon tool steel is in temperature
Its hardness and wearability drastically decline at 200 DEG C ~ 250 DEG C, and thermal deformation is big, are not suitable for sawing hot material, and alloy tool steel is heat-resisting
Property, wearability is good, and heat-resistant deforming temperature is at 300 DEG C ~ 400 DEG C；Sawing alloy saw blade disclosure satisfy that aluminium made of alloy tool steel
Plate is under 100 ~ 300 DEG C of state of temperature, the requirement to heat resistance, so as to which band substantially increases the use longevity of sawing alloy saw blade
Life.
Wherein in step 1, the sawtooth for selecting sawing alloy saw blade is terraced flat tooth, and the main purpose so done is in order to anti-
Only sawing alloy saw blade aluminium skimmings occurs during sawing aluminium sheet adhered on sawtooth because hot rolled aluminium temperature be 100 ~
Ductility in the case of 300 DEG C is best, and the viscosity of its aluminium sheet is bigger, and the one high and one low structure of terraced flat tooth sawtooth is set
Meter, can prevent aluminium skimmings from sticking in above sawtooth during sawing aluminium sheet.
Wherein in step 2, check that hot rolled aluminium sawing machine promotes roller-way in shape, check sawing alloy saw blade
The degree of wear, when the sawtooth of sawing alloy saw blade may wear at the 2/3 of sawtooth just need change sawing alloy saw blade；
The main purpose so done is to check that whether hot rolled aluminium sawing machine promotes roller-way and sawing alloy saw blade in good
State, to ensure the normal operation of hot rolled aluminium sawing machine；Sawing alloy saw blade is during the sawing of hot rolled aluminium
Belong to consumable accessory, when the sawtooth of sawing alloy saw blade may wear at the 2/3 of sawtooth, sawtooth with regard to subject to severe abrasion,
Aluminium sheet sawing end face will be made to produce many burrs, have a strong impact on the smooth clean and tidy of aluminium sheet sawing end face, the product of product
Rate is thus timely when the sawtooth of sawing sawing alloy saw blade may wear at the 2/3 of sawtooth by serious downslide
The sawing alloy saw blade more renewed.
Wherein in step 3, oil mist system makes the fountain height of mist of oil control in 0.4 ~ 0.5ml/min, gas pressure control
System is in 0.4 ~ 0.7MPa；Oil mist system is mainly that lubricating oil atomization is sprayed on into sawing conjunction by the effect of gas pressure
The surface of golden saw blade, the effect to sawing alloy saw blade is cooled down, cooled and lubricated in hot rolled aluminium sawing process；Work as gas
The Stress control of body could will lubricate the atomization of emulsion height, while the spray of atomized lubrication fluid when 0.4 ~ 0.7MPa
The amount of spilling is controlled when 0.4 ~ 0.5ml/min, and lubricating oil can just be attached to sawing alloy saw blade in the case of atomization
Surface forms one layer of resistant to elevated temperatures lubrication oxide layer difficult for drop-off, primarily serves lubrication, the effect of cooling, extends sawing alloy
The service life of saw blade.
Wherein in step 4, hot rolled aluminium sawing machine is set to promote roller-way to be in uniform rotation, velocity of rotation is controlled in 4 ~ 5m/
min；The main purpose so done is to make hot rolled aluminium sawing machine promote roller-way to be in uniform rotation so as to realize aluminium sheet in hot rolling
Aluminium sheet sawing machine promotes the stability above roller-way, is created conditions for the high-precision sawing of aluminium sheet, because aluminium sheet wants to make saw
The end face cut is smooth, smooth, impulse- free robustness is it is necessary to improving the stability of aluminium sheet.
Wherein in step 5, the sawtooth spacing in step 1 is selected in the case of 55 ~ 60mm alloy ladder flat tooth saw blades, saw
The control of alloy saw blade peripheral speed is cut in 60 ~ 80m/s；When the peripheral speed of sawing hot material is fast using the circumference of sawing normal temperature aluminium sheet
Spend for 50 m/s, half when feed speed can only achieve normal temperature sawing, be unfavorable for improving production efficiency, if desired improve sawing and close
The cutting-rate of golden saw blade, therefore the selection of sawing alloy saw blade peripheral speed and feed speed is most important, is closed if improving sawing
Golden saw blade peripheral speed, the depth of cut of each sawtooth institute sawing under conditions of same feed speed, can be reduced, so as to subtract
The stress of few each sawtooth；In other words, if the load that each sawtooth can bear is certain, the feeding speed of sawing alloy saw blade
Degree is certain, then the peripheral speed for improving sawing alloy saw blade can be to improve cutting-rate to create conditions, you can to improve production
Rate；Thus by a large amount of experiment repeatedly, when the load that sawtooth can bear is certain, feed speed one of sawing alloy saw blade
In the case of fixed, sawtooth spacing is controlled when 60 ~ 80m/s in 55 ~ 60mm, sawing alloy saw blade peripheral speed, sawing aluminium
The efficiency of plate is highest, can reduce the caloric value of sawing alloy saw blade, improves the smoothness of sawing end face, reduces sawing end
The burr in face, thoroughly solves the generation of sawing face deformation phenomenon.
Wherein in step 6, the capital equipment of aluminium skimmings retracting device is air exhauster, passes through the effect of the powerful suction of air exhauster
Make aluminium skimmings that aluminium skimmings are drawn onto in the retracting device of aluminium skimmings by air draft pipe；The power selection of air exhauster is 18.5 ~ 20kw, air quantity
Control is in 4600 ~ 6762m3/ h, the rotation speed of fan of air exhauster are controlled in 2500 ~ 2900r/min；The main purpose so designed is
In order that air exhauster has enough exhausting pressure, the aluminium skimmings during sawing aluminium sheet are extracted into the retracting device of aluminium skimmings, only
Have when the power of air exhauster is 18.5 ~ 20kw, Boiler pressure control is in 4600 ~ 6762m3/ h, the rotation speed of fan control of air exhauster exist
The aluminium skimmings being adhered to during sawing aluminium sheet on sawing alloy saw blade sawtooth could be taken up when 2500 ~ 2900r/min,
It is allowed to, in the state to suspend, while the aluminium skimmings that surface of aluminum plate will be attached to, pump to aluminium skimmings using the powerful draft of air exhauster
In the retracting device of aluminium skimmings.
Wherein in step 7, when Step 3: Step 4: the equipment in step 6 be in normal boot-strap operation state when
Wait, will sawing hot rolled aluminium be placed on hot rolled aluminium sawing machine promote roller-way above, pushed away by hot rolled aluminium sawing machine
Enter the at the uniform velocity rotation of roller-way, drive position of the hot rolled aluminium from the feeding end of hot rolled aluminium sawing machine to sawing alloy saw blade to move
Dynamic, the feed speed control of hot rolled aluminium is in 3 ~ 4m/min, when hot rolled aluminium is moved to positioning rule, roller-way stopping turn
It is dynamic, at this moment start sawing alloy saw blade, sawing alloy saw blade is from hot rolled aluminium traverse feed, the feed speed of sawing alloy saw blade
Control is in 0.7 ~ 1 m/min；Aluminium sheet temperature after hot rolling technology is sawed in the state of being 100 ~ 300 DEG C to hot rolled aluminium
Cut, the thickness of hot rolled aluminium selects 20 ~ 200 ㎜ middle thick hot rolled aluminium；The main purpose so done be in time to rolling after
The aluminium sheet of high temperature carries out sawing, it is not necessary to the sawing after the cooling to high temperature aluminium sheet, the time of sawing aluminium sheet is substantially reduced,
Improve the production efficiency of aluminium sheet sawing.
Beneficial effects of the present invention:The present invention provides a kind of sawing method of hot rolled aluminium, the sawing of this hot rolled aluminium
Method technique is simple, simplifies the processing technology of sawing hot rolled aluminium, can solve the problem that cutting for heavy-duty shears shearing aluminium sheet appearance
The problem of mouth end face plagiocephaly, flattening and bending, the cutting cost of sawing hot rolled aluminium is greatly reduced, improves sawing end face
Smoothness and flatness, the labor intensity of operating personnel is reduced, improve the production efficiency of sawing aluminium sheet, while effectively recovery
Aluminium skimmings during sawing aluminium sheet, improve economic benefit.
Embodiment
The present invention is described further below in conjunction with specific embodiment, these embodiments be merely to illustrate the present invention without
For limiting the scope of the present invention.
A kind of the step of sawing method of 1 hot rolled aluminium of embodiment, is as follows：
Step 1: the hot rolled aluminium sawing machine sawing alloy saw blade after installation improvement：Hot rolled aluminium sawing machine after improvement
The matrix material of sawing alloy saw blade uses alloy tool steel, and the sawtooth of sawing alloy saw blade uses terraced flat tooth, and sawtooth spacing is
55mm, and on hot rolled aluminium sawing machine；
Step 2: the preparation before the start of hot rolled aluminium sawing machine：Check that hot rolled aluminium sawing machine promotes roller-way to be in good
State, check sawing alloy saw blade the degree of wear, when the sawtooth of sawing alloy saw blade may wear at the 2/3 of sawtooth
Just need to change sawing alloy saw blade；
Step 3: the control of oil mist system：Check that oil mist system is in good state simultaneously, open mist of oil
Lubricating system makes the fountain height of mist of oil control in 0.4 ~ 0.5ml/min, and gas pressure control is in 0.4MPa；
Step 4: opening hot rolled aluminium sawing machine promotes roller-way drive device：By step 2 to hot rolled aluminium sawing machine
The inspection of roller-way is promoted in the case of in shape, starts hot rolled aluminium sawing machine and promotes roller-way drive device to make hot rolling
Aluminium sheet sawing machine promotes roller-way to be in uniform rotation, and velocity of rotation is controlled in 4m/min；
Step 5: the control of sawing alloy saw blade peripheral speed：Sawing alloy saw blade peripheral speed is controlled in 60m/s；
Step 6: open aluminium skimmings retracting device：The capital equipment of aluminium skimmings retracting device is air exhauster, passes through air exhauster suction
Effect make aluminium skimmings that aluminium skimmings are drawn onto in the retracting device of aluminium skimmings by air draft pipe；The power selection of air exhauster is 18.5kw,
Boiler pressure control is in 4600m3/ h, the rotation speed of fan of air exhauster are controlled in 2500r/min；
Step 7: place hot rolled aluminium to be cut：When Step 3: Step 4: the equipment in step 6 is in normal boot-strap fortune
When capable state, will the hot rolled aluminium of sawing be placed on hot rolled aluminium sawing machine and promote above roller-way, pass through hot rolling
Aluminium sheet sawing machine promotes the at the uniform velocity rotation of roller-way, drives hot rolled aluminium to be sawed from the feeding end of hot rolled aluminium sawing machine to sawing alloy
The position movement of piece, the feed speed of hot rolled aluminium are controlled in 3m/min, when hot rolled aluminium is moved to positioning rule, hot rolling
Aluminium sheet sawing machine promotes roller-way to stop operating, and at this moment starts the sawing alloy saw blade of hot rolled aluminium sawing machine, sawing alloy saw blade
From hot rolled aluminium traverse feed, the feed speed of sawing alloy saw blade is controlled in 0.7 m/min；Aluminium sheet temperature after hot rolling technology
Spend to carry out sawing in the state of 100 ~ 300 DEG C to hot rolled aluminium, the thickness of hot rolled aluminium selects 20 ㎜ middle thick hot rolled aluminium.
When the sawtooth spacing of sawing alloy saw blade is in 55mm, the peripheral speed of sawing alloy saw blade when 60m/s,
The heating of sawing alloy saw blade is more serious, there is more serious viscous aluminium phenomenon on sawtooth；The life-span of sawing alloy saw blade can only achieve
Sawing 200m2Middle thick hot rolled aluminium, it is necessary to the sawing alloy saw blade more renewed, Cutting noise is larger, the end face after sawing
There is more serious burr and rough.
Embodiment 2
A kind of the step of sawing method of hot rolled aluminium, is as follows：
Step 1: the hot rolled aluminium sawing machine sawing alloy saw blade after installation improvement：Hot rolled aluminium sawing machine after improvement
The matrix material of sawing alloy saw blade uses alloy tool steel, and the sawtooth of sawing alloy saw blade uses terraced flat tooth, and sawtooth spacing is
58mm, and on hot rolled aluminium sawing machine；
Step 2: the preparation before the start of hot rolled aluminium sawing machine：Check that hot rolled aluminium sawing machine promotes roller-way to be in good
State, check sawing alloy saw blade the degree of wear, when the sawtooth of sawing alloy saw blade may wear at the 2/3 of sawtooth
Just need to change sawing alloy saw blade；
Step 3: the control of oil mist system：Check that oil mist system is in good state simultaneously, open mist of oil
Lubricating system makes the fountain height of mist of oil control in 0.45ml/min, and gas pressure control is in 0.6MPa；
Step 4: opening hot rolled aluminium sawing machine promotes roller-way drive device：By step 2 to hot rolled aluminium sawing machine
The inspection of roller-way is promoted in the case of in shape, starts hot rolled aluminium sawing machine and promotes roller-way drive device to make hot rolling
Aluminium sheet sawing machine promotes roller-way to be in uniform rotation, and velocity of rotation is controlled in 4.5m/min；
Step 5: the control of sawing alloy saw blade peripheral speed：Sawing alloy saw blade peripheral speed is controlled in 70m/s；
Step 6: open aluminium skimmings retracting device：The capital equipment of aluminium skimmings retracting device is air exhauster, passes through air exhauster suction
Effect make aluminium skimmings that aluminium skimmings are drawn onto in the retracting device of aluminium skimmings by air draft pipe；The power selection of air exhauster is 19kw, wind
Amount control is in 5200m3/ h, the rotation speed of fan of air exhauster are controlled in 2700r/min；
Step 7: place hot rolled aluminium to be cut：When Step 3: Step 4: the equipment in step 6 is in normal boot-strap fortune
When capable state, will the hot rolled aluminium of sawing be placed on hot rolled aluminium sawing machine and promote above roller-way, pass through hot rolling
Aluminium sheet sawing machine promotes the at the uniform velocity rotation of roller-way, drives hot rolled aluminium to be sawed from the feeding end of hot rolled aluminium sawing machine to sawing alloy
The position movement of piece, the feed speed control of hot rolled aluminium is in 3.5m/min, when hot rolled aluminium is moved to positioning rule, heat
Rolling aluminium sheet sawing machine promotes roller-way to stop operating, and at this moment starts the sawing alloy saw blade of hot rolled aluminium sawing machine, sawing alloy saw
Piece is controlled in 0.8 m/min from hot rolled aluminium traverse feed, the feed speed of sawing alloy saw blade；Aluminium sheet after hot rolling technology
Temperature carries out sawing to hot rolled aluminium in the state of being 200 DEG C, the thickness of hot rolled aluminium selects 120 ㎜ middle thick hot rolled aluminium.
When the sawtooth spacing of sawing alloy saw blade is in 58mm, the peripheral speed of sawing alloy saw blade when 70m/s,
Sawing alloy saw blade fever phenomenon mitigates, and has slight viscous aluminium phenomenon on sawtooth；The life-span of sawing alloy saw blade can only achieve saw
Cut 300m2Middle thick hot rolled aluminium, it is necessary to the sawing alloy saw blade more renewed, Cutting noise reduce, the end face after sawing has
Slight burr and rough.
Embodiment 3
A kind of the step of sawing method of hot rolled aluminium, is as follows：
Step 1: the hot rolled aluminium sawing machine sawing alloy saw blade after installation improvement：Hot rolled aluminium sawing machine after improvement
The matrix material of sawing alloy saw blade uses alloy tool steel, and the sawtooth of sawing alloy saw blade uses terraced flat tooth, and sawtooth spacing is
60mm, and on hot rolled aluminium sawing machine；
Step 2: the preparation before the start of hot rolled aluminium sawing machine：Check that hot rolled aluminium sawing machine promotes roller-way to be in good
State, check sawing alloy saw blade the degree of wear, when the sawtooth of sawing alloy saw blade may wear at the 2/3 of sawtooth
Just need to change sawing alloy saw blade；
Step 3: the control of oil mist system：Check that oil mist system is in good state simultaneously, open mist of oil
Lubricating system makes the fountain height of mist of oil control in 0.5ml/min, and gas pressure control is in 0.7MPa；
Step 4: opening hot rolled aluminium sawing machine promotes roller-way drive device：By step 2 to hot rolled aluminium sawing machine
The inspection of roller-way is promoted in the case of in shape, starts hot rolled aluminium sawing machine and promotes roller-way drive device to make hot rolling
Aluminium sheet sawing machine promotes roller-way to be in uniform rotation, and velocity of rotation is controlled in 5m/min；
Step 5: the control of sawing alloy saw blade peripheral speed：Sawing alloy saw blade peripheral speed is controlled in 80m/s；
Step 6: open aluminium skimmings retracting device：The capital equipment of aluminium skimmings retracting device is air exhauster, passes through air exhauster suction
Effect make aluminium skimmings that aluminium skimmings are drawn onto in the retracting device of aluminium skimmings by air draft pipe；The power selection of air exhauster is 20kw, wind
Amount control is in 6762m3/ h, the rotation speed of fan of air exhauster are controlled in 2900r/min；
Step 7: place hot rolled aluminium to be cut：When Step 3: Step 4: the equipment in step 6 is in normal boot-strap fortune
When capable state, will the hot rolled aluminium of sawing be placed on hot rolled aluminium sawing machine and promote above roller-way, pass through hot rolling
Aluminium sheet sawing machine promotes the at the uniform velocity rotation of roller-way, drives hot rolled aluminium to be sawed from the feeding end of hot rolled aluminium sawing machine to sawing alloy
The position movement of piece, the feed speed of hot rolled aluminium are controlled in 4m/min, when hot rolled aluminium is moved to positioning rule, hot rolling
Aluminium sheet sawing machine promotes roller-way to stop operating, and at this moment starts the sawing alloy saw blade of hot rolled aluminium sawing machine, sawing alloy saw blade
From hot rolled aluminium traverse feed, the feed speed of sawing alloy saw blade is controlled in 1 m/min；Aluminium sheet temperature after hot rolling technology
To carry out sawing in the state of 300 DEG C to hot rolled aluminium, the thickness of hot rolled aluminium selects 200 ㎜ middle thick hot rolled aluminium.
When the sawtooth spacing of sawing alloy saw blade is in 60mm, the peripheral speed of sawing alloy saw blade when 80m/s,
Sawing alloy saw blade caloric value is minimum, and viscous aluminium phenomenon is not present on sawtooth；The life-span of sawing alloy saw blade can reach sawing 400m2
Middle thick hot rolled aluminium, it is necessary to the sawing alloy saw blade more renewed, Cutting noise are minimum, and the end face after sawing is smooth and smooth
Degree is high.
Claims (2)
- A kind of 1. sawing method of hot rolled aluminium, it is characterised in that：Step 1: the hot rolled aluminium sawing machine sawing after installation improvement Alloy saw blade：The matrix material of hot rolled aluminium sawing machine sawing alloy saw blade after improvement uses alloy tool steel, sawing alloy The sawtooth of saw blade uses terraced flat tooth, and sawtooth spacing is 55 ~ 60mm, and on hot rolled aluminium sawing machine；Step 2: rolling aluminum Preparation before the start of plate sawing machine：Check that hot rolled aluminium sawing machine promotes roller-way to be in good state, check sawing alloy saw The degree of wear of piece, just need to change sawing alloy saw when the sawtooth of sawing alloy saw blade may wear at the 2/3 of sawtooth Piece；Step 3: the control of oil mist system：Check that oil mist system is in good state simultaneously, open fog lubrication System makes the fountain height of mist of oil control in 0.4 ~ 0.5ml/min, and gas pressure control is in 0.4 ~ 0.7MPa；Step 4: open heat Roll aluminium sheet sawing machine and promote roller-way drive device：The inspection of roller-way is promoted in good to hot rolled aluminium sawing machine by step 2 In the case of good state, start hot rolled aluminium sawing machine and promote roller-way drive device to make hot rolled aluminium sawing machine promote roller-way to be in Uniform rotation, velocity of rotation are controlled in 4 ~ 5m/min；Step 5: the control of sawing alloy saw blade peripheral speed：Sawing alloy is sawed Piece peripheral speed is controlled in 60 ~ 80m/s；Step 6: open aluminium skimmings retracting device：The capital equipment of aluminium skimmings retracting device is exhausting Machine, make aluminium skimmings that aluminium skimmings are drawn onto in the retracting device of aluminium skimmings by air draft pipe by the effect of air exhauster suction；Air exhauster Power selection is 18.5 ~ 20kw, and Boiler pressure control is in 4600 ~ 6762m3/ h, the rotation speed of fan of air exhauster are controlled in 2500 ~ 2900r/ min；Step 7: place hot rolled aluminium to be cut：When Step 3: Step 4: the equipment in step 6 is in normal boot-strap operation When state, will sawing hot rolled aluminium be placed on hot rolled aluminium sawing machine promote roller-way above, pass through hot rolled aluminium Sawing machine promotes the at the uniform velocity rotation of roller-way, drives hot rolled aluminium from the feeding end of hot rolled aluminium sawing machine to sawing alloy saw blade Position is moved, and the feed speed of hot rolled aluminium is controlled in 3 ~ 4m/min, when hot rolled aluminium is moved to positioning rule, rolling aluminum Plate sawing machine promote roller-way stop operating, at this moment start hot rolled aluminium sawing machine sawing alloy saw blade, sawing alloy saw blade from Hot rolled aluminium traverse feed, the feed speed of sawing alloy saw blade are controlled in 0.7 ~ 1 m/min；Aluminium sheet temperature after hot rolling technology Spend to carry out sawing in the state of 100 ~ 300 DEG C to hot rolled aluminium, the thickness of hot rolled aluminium selects 20 ~ 200 ㎜ middle thick hot rolling Aluminium sheet.
- A kind of 2. sawing method of hot rolled aluminium according to claim 1, it is characterised in that：Sawing alloy in step 5 Saw blade peripheral speed is controlled in 80m/s.
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| CN112893998B (en) * | 2020-12-29 | 2024-02-02 | 宝信软件(安徽)股份有限公司 | Hot saw cutting control method |
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| JP4091910B2 (en) * | 2001-05-30 | 2008-05-28 | 新日本製鐵株式会社 | Rail manufacturing method and manufacturing equipment |
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| CN105921809A (en) | 2016-09-07 |
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