CN106345971B - A kind of production method of middle scale music bronze - Google Patents
A kind of production method of middle scale music bronze Download PDFInfo
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- CN106345971B CN106345971B CN201610886821.9A CN201610886821A CN106345971B CN 106345971 B CN106345971 B CN 106345971B CN 201610886821 A CN201610886821 A CN 201610886821A CN 106345971 B CN106345971 B CN 106345971B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D13/00—Percussion musical instruments; Details or accessories therefor
- G10D13/01—General design of percussion musical instruments
- G10D13/03—Practice drumkits or pads
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Abstract
The present invention relates to bronze drum manufacture technology fields, and in particular to a kind of production method of middle scale music bronze.The production method of music bronze of the present invention, specifically includes following steps：A. the preparation of bronze drum cast model：Bronze drum pours into a mould 1.5 2.0mm of drum surface thickness, 20 22cm of drum surface diameter of model；B. the fusing of bronze drum raw material：The composition of raw materials of manufacture bronze drum is made of the metallic element of following degree：Zinc 8.3 10.2%, tin 3.2 3.6%, aluminium 5.3 5.4%, beryllium 1.7 1.84%, iron 5.0 6.2%, nickel 3.5 3.9%, surplus are copper；C. moulding by casting.The present invention provides a kind of production method of middle scale music bronze, and bronze drum prepared by the method for the present invention can send out 4 (fa) this scale, and accordatura is accurate, and abundant bronze drum scale is conducive to developing and passing on for copper overload.
Description
【Technical field】
The present invention relates to bronze drum manufacture technology fields, and in particular to a kind of production method of middle scale music bronze.
【Background technology】
Bronze drum is usually used in the advance and retreat that command troops in war in ancient times, is also commonly used in dinner party, dance accompanied by music, is that one kind is popular in extensively
The percussion instrument of the minority areas such as west, Guangdong, Yunnan, Guizhou, Sichuan, Hunan.Bronze drum is that ancient Chinese is long and magnificent
The crystallization of culture, is the symbol of Minorities In China ancients' wisdom, it has the characteristic of oriental art, is that world culture art is precious
The collection in library.Bronze drum also has in Vietnam, Laos, Burma and Thailand even Indonesia Zhu Dao to spread.Bronze drum shape picture circle drum,
There are various patterns, also have toad pattern on some bronze drums (more people worships the frog).The diameter of bronze drum has greatly to 2.3 meters, and small has 0.7
Rice.So far the unearthed bronze drum of China has more than 1,500.
Bronze drum, B.C. 7th century start to occur, and one kind being popular in the west such as Guangxi, Guangdong, Yunnan, Guizhou, Sichuan, Hunan
The percussion instrument of southern minority area.Bronze drum whole casting in bronze, about 50 centimeters of general bronze drum drum surface diameter, high about 30 is public
Divide (a other larger).Drum chamber is hollow, bottomless.There are copper ring ear in both sides.It drum surface and strikes body and is all carved with exquisite decorative pattern.China is generation
Most bronze drum quantity, casting and earliest, the longest area of history using the bronze drum epoch are found in boundary.In ancient times, ethnic group is expensive
Race ruler, once with occupy bronze drum number, as represent oneself rule power size symbol.Be generally used for sacrifice, musical instrument,
Convene, wedding celebration, red-letter day etc..
Bronze drum mostly occurs in happy and celebrating scene, but the past taps bronze drum in the funeral activity of Miao ethnic group and the Yao nationality
It is essential religious rites.The Yao nationality compatriot for living in China In Northern Guangxi mountain area so far before attending a burial also several days it is several
Night continuously taps bronze drum：Bronze drum sound is loud and clear, deep, and the bad news that drum sound can leave dead person in the human world passes to very
Remote stockaded village, so that his kith and kin come to attend the funeral.Tapping bronze drum can also call ghosts and gods to come the soul of Hu Yu the dead, make him
Safe arrival another world.But the numerous people of ethnic group, using bronze drum as musical instrument, Yao nationality of Guangxi Hechi, expensive so far
The Miao ethnic group etc. in state, all spreads bronze-drum dance.Bronze drum is hung up when dancing, a people taps drum surface with drumstick, and a human hand holds wooden barrel
Alignment drum bottom, to increase sympathetic response, sound is simple and honest deep, can pass at a distance.Dancer's (being usually collective) is round bronze drum, with drumbeat section
Play dance.
The bronze drum casting technique in ancient times is lost, and existing bronze drum scale handed down from ancient times is seldom, and accordatura is inaccurate, due to technique
Lost scale lacks, and traditional bronze drum that ethnic group such as Guangxi Hechi makes at present can only knock out 4 sounds 1,5,3,2, and
Accuracy in pitch is inaccurate, is also again and again to strike 4 one group of bronze drums when holding match bronze drum on New Year's Day or other festivals, strikes and carrys out knock-off all only 4
Sound, make one very give listen to understand.It unlikely plays out and meets the modern music track rich in variation, and the scale of bronze drum and making
Procedure relation is close, it is difficult to control.
【Invention content】
The goal of the invention of the present invention is：It is lost for traditional copper drum casting technique, what conventional fabrication method was made
Bronze drum scale is few, and the problem that accordatura is inaccurate, the present invention provide a kind of production method of middle scale music bronze, the method for the present invention
The bronze drum of preparation can send out 4 (fa) this scale, and accordatura is accurate, and abundant bronze drum scale is conducive to developing and passing for copper overload
It holds.
To achieve the goals above, the technical solution adopted by the present invention is as follows：
A kind of production method of middle scale music bronze, specifically includes following steps：
A. the preparation of bronze drum cast model：It first takes wax stone to be fabricated to bronze drum wax pattern, is then filled out inside and outside bronze drum wax pattern
Fixed model substance is filled, the bronze drum wax pattern is fixed, obtains bronze drum cast model, it is spare；The bronze drum wax pattern includes drum
Face and drum body, the bronze drum, which is poured into a mould on model, no less than 2 plug holes, wherein at least 1 top casting for being located at drum surface is noted
Hole, at least one are located remotely from the drum surface, the bottom pour mold orifice positioned at drum body bottom, and the drum surface thickness 1.5-2.0mm, drum surface are straight
Diameter 20-22cm；
B. the fusing of bronze drum raw material：It first takes crucible to be heated to 550-650 DEG C, keep 30-60min, then takes in making copper
Bulging composition of raw materials is subsequently placed in crucible and is heated to 1200-1300 DEG C, keeps 120-240min, must melt bronze drum liquid, standby
With；
C. moulding by casting：Take bronze drum described in step a pour into a mould model, drum surface upward, drum body downward, first the bronze drum is poured
Injection molding type is heated to 500-600 DEG C, seals bottom pour mold orifice after the outflow of bottom pour mold orifice after the dissolved wax liquor of wax, then takes step
Bronze drum liquid is melted described in b, the bronze drum cast model is injected from the plug hole, finally, the bronze drum is poured into a mould into model
It is put into program cooling environment, with the rate cooling of 55-65 DEG C/h and 50-100min is kept in 650-750 DEG C, then with stove
It is cooling, until is kept for 20-30 hour after room temperature, from bronze drum cast model taking-up be molded bronze drum to get.
Optimization, the composition of raw materials is made of following metallic element：Zinc, tin, aluminium, beryllium, manganese, silicon, nickel and copper.
More optimized, the composition of raw materials is made of the metallic element of following degree：Zinc 8.3-10.2%, tin
3.2-3.6%, aluminium 5.3-5.4%, beryllium 1.7-1.84%, iron 5.0-6.2%, nickel 3.5-3.9%, surplus are copper.
Re-optimization, the composition of raw materials is made of the metallic element of following degree：Zinc 9.25%, tin 3.4%,
Aluminium 5.35%, beryllium 1.77%, iron 5.52%, nickel 3.7%, surplus are copper.
It advanced optimizes, average mark is furnished with 2-6 hangers with the drum of the bronze drum wax pattern.
Further optimize, the crucible is in silicon carbide crucible, graphite crucible, corundum crucible and silica crucible
It is a kind of.
Further optimize again, fixed model substance production method described in step a is as follows：By weight, sand is taken
18-25 parts of 45-60 parts, 25-35 parts of cement and water, the above raw material is stirred evenly, ultrasonic 10-40 minutes to get；It is described husky and
Cement crosses 100-200 mesh screens.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1. the present invention makes music bronze using lost-wax process, principle is：First with one bronze drum model of waxed work, then use again
For casting substance by the bronze drum wax pattern all package, fillings, it includes bronze drum wax that one is obtained after waiting casting substances condensation to be molded
The bronze drum of model pours into a mould model, and in bronze drum pours into a mould model upper and lower respectively there are plug holes.When making bronze drum, first by bronze drum
Wax pattern is heated to certain temperature, and wax is melted at this time flows out from bottom pouring hole, then pours into molten copper from upper pouring hole
Drum liquid, removes the casting substance of fixed bronze drum wax pattern after cooling and shaping, take out the bronze drum with bronze drum wax pattern striking resemblances, then
Bronze drum is manually polished, calibration accuracy in pitch is to get music bronze.
The present invention uses 18-25 parts of husky 45-60 parts that casting substance mixes for certain proportion, 25-35 parts of cement and water, will
The above raw material stirs evenly, 10-40 minutes ultrasonic, and the husky and cement crosses 100-200 mesh screens, ensures fixed model substance
Exquisiteness, ultrasound can fully remove the air in casting substance, avoid generating bubble and cannot completely attaching to bronze drum wax pattern,
The bronze drum surface irregularity of cast out.Compared with tradition filling is sandy, the bronze drum surface that this casting substance is made is thinner
It is greasy, smooth and smooth.
2. the thickness, bronze drum diameter and the hardness for making bronze drum material of the scale of each bronze drum and bronze drum drum surface thickness
Related three's breath manner of breathing is poor, any one parameter in three above parameter, as long as modification is more than a certain range, the copper manufactured
Tympanitic note rank is all different, and the difference of subtle technique can also influence accuracy in pitch, therefore music bronze of the present invention uses a bronze drum modelling
The bronze drum of one specific scale.The present invention with bronze drum wax pattern by controlling bronze drum drum surface thickness, bronze drum diameter, with difference
Different scales can be obtained by changing different parameters by making the hardness and characteristic of the composition of raw materials control bronze drum of bronze drum
Bronze drum, the present invention can obtain 4 (fa) in " 1 (do), 2 (re), 3 (mi), 4 (fa), 5 (sol), 6 (la), 7 (si) " this
Middle scale.
Traditional bronze drum is in casting process, since the toughness and hardness that main raw material is copper are inadequate, the copper manufactured
Drum model changes or deficiency, causes bronze drum scale less and accuracy in pitch is inaccurate, it is difficult to which the note for playing out variation is unfavorable for bronze drum
Culture is further preserved and is developed down.The present inventor pass through long felt, explore it is a set of allow bronze drum send out a variety of scales and
The method that can keep accuracy in pitch very well, thickness, the bronze drum of stringent control and bronze drum scale and the closely bound up bronze drum drum surface of accuracy in pitch
Size and the process for making bronze drum.When tradition prepares bronze drum, usually using copper as primary raw material, the present invention is by adding such as
Zinc, tin, aluminium, beryllium, manganese, silicon and nickel form a new mixture alloy so that material character changes, and changes bronze drum material
The processing performance of material, intensity, hardness, corrosion resistance and wearability coordinate other methods of the present invention that can prepare by adjusting formula
Go out the music bronze of specific scale.
The present invention is by model cootrol drum surface thickness 1.5-2.0mm, drum surface diameter 20-22cm, bronze drum height routinely bronze drum
Making ratio；Using the metallic element of following degree：Zinc 8.3-10.2%, tin 3.2-3.6%, aluminium 5.3-5.4%, beryllium
1.7-1.84%, iron 5.0-6.2%, nickel 3.5-3.9%, surplus are copper as formula；In addition other parameters of the invention control
Method, a kind of music bronze of middle scale can be produced.The present invention reach produce middle scale, can send out 4 (fa) this
The purpose of middle scale bronze drum, while can quantify to produce.
3. conventional method is first to make bronze drum, in order to use or it is beautiful weld upper several hangers again with bronze drum, need
Multistep is completed, and by lost-wax process the bronze drum containing hangers can be made with a step in the present invention, and hangers is made to be integrally formed with bronze drum, is saved
Process, at the same it is more attractive.
【Specific implementation mode】
With reference to embodiment, the invention will be further described.
Embodiment 1
A kind of production method of middle scale music bronze, specifically includes following steps：
A. the preparation of bronze drum cast model：It first takes wax stone to be fabricated to bronze drum wax pattern, is then filled out inside and outside bronze drum wax pattern
Fixed model substance is filled, bronze drum wax pattern is fixed, obtains bronze drum cast model, it is spare；Bronze drum wax pattern include drum surface and drum body,
There are 2 plug holes on bronze drum cast model, wherein have 1 top casting orifice for being located at drum surface, 1 is located remotely from drum surface, is located at drum
The bottom pour mold orifice of body bottom, drum surface thickness 1.5mm, drum surface diameter 20cm.Average mark is furnished with 2 extensions with the drum of bronze drum wax pattern
Ear.
Wherein, fixed model substance production method is as follows：By weight, 18 parts of 45 parts husky, 25 parts of cement and water are taken, it will
The above raw material stirs evenly, ultrasound 10 minutes to get；Husky and cement sieves with 100 mesh sieve net.
B. the fusing of bronze drum raw material：It first takes crucible to be heated to 550 DEG C, keep 30min, then takes in the raw material for making bronze drum
Formula is subsequently placed in crucible and is heated to 1200 DEG C, keeps 120min, must melt bronze drum liquid, spare.Crucible is selected from silicon carbide earthenware
Crucible.
Wherein, composition of raw materials is made of the metallic element of following degree：Zinc 8.3%, tin 3.2%, aluminium 5.3%,
Beryllium 1.7%, iron 5.0%, nickel 3.5%, surplus are copper.
C. moulding by casting：Take in step a bronze drum to pour into a mould model, drum surface upward, drum body downward, first bronze drum cast model is added
Heat seals bottom pour mold orifice to 500 DEG C, after the dissolved wax liquor of wax after the outflow of bottom pour mold orifice, then takes in step b and melts bronze drum
Liquid injects bronze drum cast model from plug hole, finally, bronze drum cast model is put into program cooling environment, with 55 DEG C/h
Rate cooling and 50min are kept in 650 DEG C, then furnace cooling, until is kept for 20 hours after room temperature, from bronze drum cast model
Take out molding bronze drum to get.
Embodiment 2
A kind of production method of middle scale music bronze, specifically includes following steps：
A. the preparation of bronze drum cast model：It first takes wax stone to be fabricated to bronze drum wax pattern, is then filled out inside and outside bronze drum wax pattern
Fixed model substance is filled, bronze drum wax pattern is fixed, obtains bronze drum cast model, it is spare；Bronze drum wax pattern include drum surface and drum body,
There are 2 plug holes on bronze drum cast model, wherein have 1 top casting orifice for being located at drum surface, 2 are located remotely from drum surface, are located at drum
The bottom pour mold orifice of body bottom, drum surface thickness 2.0mm, drum surface diameter 22cm.Average mark is furnished with 6 extensions with the drum of bronze drum wax pattern
Ear.
Wherein, fixed model substance production method is as follows：By weight, 25 parts of 60 parts husky, 35 parts of cement and water are taken, it will
The above raw material stirs evenly, ultrasound 40 minutes to get；Husky and cement crosses 200 mesh screens.
B. the fusing of bronze drum raw material：It first takes crucible to be heated to 650 DEG C, keep 60min, then takes in the raw material for making bronze drum
Formula is subsequently placed in crucible and is heated to 1300 DEG C, keeps 240min, must melt bronze drum liquid, spare.Crucible is selected from graphite earthenware
Crucible.
Wherein, composition of raw materials is made of the metallic element of following degree：Zinc 10.2%, tin 3.6%, aluminium 5.4%,
Beryllium 1.84%, iron 6.2%, nickel 3.9%, surplus are copper.
C. moulding by casting：Take in step a bronze drum to pour into a mould model, drum surface upward, drum body downward, first bronze drum cast model is added
Heat seals bottom pour mold orifice to 600 DEG C, after the dissolved wax liquor of wax after the outflow of bottom pour mold orifice, then takes in step b and melts bronze drum
Liquid injects bronze drum cast model from plug hole, finally, bronze drum cast model is put into program cooling environment, with 65 DEG C/h
Rate cooling and 100min are kept in 750 DEG C, then furnace cooling, until is kept for 30 hours after room temperature, from bronze drum cast model
Take out molding bronze drum to get.
Embodiment 3
A kind of production method of middle scale music bronze, specifically includes following steps：
A. the preparation of bronze drum cast model：It first takes wax stone to be fabricated to bronze drum wax pattern, is then filled out inside and outside bronze drum wax pattern
Fixed model substance is filled, bronze drum wax pattern is fixed, obtains bronze drum cast model, it is spare；Bronze drum wax pattern include drum surface and drum body,
There are 4 plug holes on bronze drum cast model, wherein there are 2 top casting orifices for being located at drum surface, 2 are located remotely from drum surface, are located at drum
The bottom pour mold orifice of body bottom, drum surface thickness 1.75mm, drum surface diameter 21cm.Average mark is furnished with 4 extensions with the drum of bronze drum wax pattern
Ear.
Wherein, fixed model substance production method is as follows：By weight, 22 parts of 52 parts husky, 30 parts of cement and water are taken, it will
The above raw material stirs evenly, ultrasound 25 minutes to get；Husky and cement crosses 150 mesh screens.
B. the fusing of bronze drum raw material：It first takes crucible to be heated to 600 DEG C, keep 45min, then takes in the raw material for making bronze drum
Formula is subsequently placed in crucible and is heated to 1250 DEG C, keeps 180min, must melt bronze drum liquid, spare.Crucible is selected from corundum earthenware
Crucible.
Wherein, composition of raw materials is made of the metallic element of following degree：Zinc 9.25%, tin 3.4%, aluminium
5.35%, beryllium 1.77%, iron 5.52%, nickel 3.7%, surplus are copper.
C. moulding by casting：Take in step a bronze drum to pour into a mould model, drum surface upward, drum body downward, first bronze drum cast model is added
Heat seals bottom pour mold orifice to 550 DEG C, after the dissolved wax liquor of wax after the outflow of bottom pour mold orifice, then takes in step b and melts bronze drum
Liquid injects bronze drum cast model from plug hole, finally, bronze drum cast model is put into program cooling environment, with 60 DEG C/h
Rate cooling and 75min are kept in 700 DEG C, then furnace cooling, until is kept for 25 hours after room temperature, from bronze drum cast model
Take out molding bronze drum to get.
Embodiment 4
A kind of production method of middle scale music bronze, specifically includes following steps：
A. the preparation of bronze drum cast model：It first takes wax stone to be fabricated to bronze drum wax pattern, is then filled out inside and outside bronze drum wax pattern
Fixed model substance is filled, bronze drum wax pattern is fixed, obtains bronze drum cast model, it is spare；Bronze drum wax pattern include drum surface and drum body,
There are 5 plug holes on bronze drum cast model, wherein there are 2 top casting orifices for being located at drum surface, 3 are located remotely from drum surface, are located at drum
The bottom pour mold orifice of body bottom, drum surface thickness 1.6mm, drum surface diameter 20.5cm.
Wherein, fixed model substance production method is as follows：By weight, 20 parts of 49 parts husky, 28 parts of cement and water are taken, it will
The above raw material stirs evenly, ultrasound 18 minutes to get；Husky and cement crosses 120 mesh screens.
B. the fusing of bronze drum raw material：It first takes crucible to be heated to 580 DEG C, keep 35min, then takes in the raw material for making bronze drum
Formula is subsequently placed in crucible and is heated to 1230 DEG C, keeps 160min, must melt bronze drum liquid, spare.Crucible is selected from quartzy earthenware
Crucible.
Wherein, composition of raw materials is made of the metallic element of following degree：Zinc 8.8%, tin 3.3%, aluminium 5.34%,
Beryllium 1.73%, iron 5.35%, nickel 3.6%, surplus are copper.
C. moulding by casting：Take in step a bronze drum to pour into a mould model, drum surface upward, drum body downward, first bronze drum cast model is added
Heat seals bottom pour mold orifice to 530 DEG C, after the dissolved wax liquor of wax after the outflow of bottom pour mold orifice, then takes in step b and melts bronze drum
Liquid injects bronze drum cast model from plug hole, finally, bronze drum cast model is put into program cooling environment, with 58 DEG C/h
Rate cooling and 60min are kept in 680 DEG C, then furnace cooling, until is kept for 24 hours after room temperature, from bronze drum cast model
Take out molding bronze drum to get.
Embodiment 5
A kind of production method of middle scale music bronze, specifically includes following steps：
A. the preparation of bronze drum cast model：It first takes wax stone to be fabricated to bronze drum wax pattern, is then filled out inside and outside bronze drum wax pattern
Fixed model substance is filled, bronze drum wax pattern is fixed, obtains bronze drum cast model, it is spare；Bronze drum wax pattern include drum surface and drum body,
There are 6 plug holes on bronze drum cast model, wherein there are 3 top casting orifices for being located at drum surface, 3 are located remotely from drum surface, are located at drum
The bottom pour mold orifice of body bottom, drum surface thickness 1.85mm, drum surface diameter 21.5cm.
Wherein, fixed model substance production method is as follows：By weight, 23 parts of 55 parts husky, 32 parts of cement and water are taken, it will
The above raw material stirs evenly, ultrasound 30 minutes to get；Husky and cement crosses 150 mesh screens.
B. the fusing of bronze drum raw material：It first takes crucible to be heated to 625 DEG C, keep 50min, then takes in the raw material for making bronze drum
Formula is subsequently placed in crucible and is heated to 1280 DEG C, keeps 200min, must melt bronze drum liquid, spare.Crucible is selected from corundum earthenware
Crucible.
Wherein, composition of raw materials is made of the metallic element of following degree：Zinc 9.5%, tin 3.5%, aluminium 5.38%,
Beryllium 1.8%, iron 5.9%, nickel 3.8%, surplus are copper.
C. moulding by casting：Take in step a bronze drum to pour into a mould model, drum surface upward, drum body downward, first bronze drum cast model is added
Heat seals bottom pour mold orifice to 580 DEG C, after the dissolved wax liquor of wax after the outflow of bottom pour mold orifice, then takes in step b and melts bronze drum
Liquid injects bronze drum cast model from plug hole, finally, bronze drum cast model is put into program cooling environment, with 63 DEG C/h
Rate cooling and 80min are kept in 725 DEG C, then furnace cooling, until is kept for 28 hours after room temperature, from bronze drum cast model
Take out molding bronze drum to get.
Bronze drum scale personnel audition and subjective assessment
The selection of test site：Area is selected to be more than 60 ㎡, spaciousness, bright room as listening room, in listening room
It carries out.
Test method：It is intermediate in listening room that screen, the bronze drum that subject can't see thwacker and its be tapped are set；
It is believed that being separated with screen between love examination personnel, subject can't see the facial expression of other subjects, can not carry out language
Exchange.Thwacker taps each bronze drum 5 times respectively, taps 3 sound by normal rhythm every time, taps interval twice 3 seconds, taps people
Member taps bronze drum front by the normal method that taps.Everyone fills in subject according to test table, test event such as 1 institute of table
It states：
Table 1 tests table
The selection of subject：It first selects and is engaged in bronze drum in Hechi prefecture of Guangxi and taps 3 years or more, received music education, energy
The professional for preparing to differentiate scale carries out audition, audition personnel totally 10.
Test specimen：Embodiment 1-5 samples as laboratory sample, then from look on the market directly be 20-22cm bronze drum 2
It is only used as control bronze drum, number 1,2,3,4,5 respectively embodiment 1-5；It is 6,7 that control bronze drum is numbered respectively；It is bronze drum above
Number order, percussion sequence when not being test, when percussion, upset sequence at random.
Evaluation criterion：
Scale is divided into according to traditional scale：1(do)、2(re)、3(mi)、4(fa)、5(sol)、6(la)、7(si)、#1
(do)。
Sound quality scores：The subjective testing of the sound quality and operation that send out, 5 points provided by table 2 are mainly tapped to bronze drum
Standards of grading processed score, if feeling to be situated between, allow decimally to indicate, such as feel very good and 4 points at 5 points
Between good, allow the score value for getting one decimal of reservation such as 4.3 or 4.5 or the like.
2 sound quality 5 of table divides standards of grading processed
Accuracy in pitch scores：It mainly taps the sound scale accuracy sent out to bronze drum to judge, the 5 points of systems provided by table 2
Standards of grading score, if feeling to be situated between, allow decimally to indicate, such as feel 5 points it is very good and 4 points well
Between, allow the score value for getting one decimal of reservation such as 4.3 or 4.5 or the like.
3 accuracy in pitch 5 of table divides standards of grading processed
| Grade scoring | Degree of injury |
| 5 | Very good, scale can be determined by listening the 1st time |
| 4 | It is good, it listens 2 times and can determine scale |
| 3 | Generally, it once hesitates in two scales, is determined when being tapped at the 3-4 times |
| 2 | It is bad, it hesitates in two or more scale, still hesitates in the 5th |
| 1 | Difference, which scale can not be identified at all on earth is |
Experimental result counts：
No. 1 sample, has 8 people to judge scale for 4 (fa) the 1st time when tapping, nobody is judged as other scales, taps for the 2nd time
When 10 people all judge scale for 4 (fa).In sound quality scoring, it is 4.0 that 10 people scoring, which is averaged,；In accuracy in pitch scoring, 10
It is 4.2 that people's scoring, which is averaged,.
No. 2 samples, have 7 people to judge scale for 4 (fa) the 1st time when tapping, nobody is judged as other scales, tap for the 2nd time
When 10 people all judge scale for 4 (fa).In sound quality scoring, it is 3.8 that 10 people scoring, which is averaged,；In accuracy in pitch scoring, 10
It is 4.1 that people's scoring, which is averaged,.
No. 3 samples, 8 people all judge that nobody is judged as other scales to scale for 4 (fa) when tapping for the 1st time, tap for the 2nd time
When 10 people all judge scale for 4 (fa).In sound quality scoring, it is 4.1 that 10 people scoring, which is averaged,；In accuracy in pitch scoring, 10
It is 4.5 that people's scoring, which is averaged,.
No. 4 samples, have 9 people to judge scale for 4 (fa) the 1st time when tapping, nobody is judged as other scales, tap for the 2nd time
When 10 people all judge scale for 4 (fa).In sound quality scoring, it is 4.0 that 10 people scoring, which is averaged,；In accuracy in pitch scoring, 10
It is 4.4 that people's scoring, which is averaged,.
No. 5 samples, have 8 people to judge scale for 4 (fa) the 1st time when tapping, nobody is judged as other scales, tap for the 2nd time
When 10 people all judge scale for 4 (fa).In sound quality scoring, it is 3.9 that 10 people scoring, which is averaged,；In accuracy in pitch scoring, 10
It is 4.2 that people's scoring, which is averaged,.
No. 6 samples, have 4 people to be judged as that 5 (sol), 2 people judge scale for 1 (do) the 1st time when tapping, other people are uncertain, and the
5 people are judged as that 5 (sol), 2 people judge scale for 1 (do) when 2 percussions；At the end of the 5th taps, it is 5 to have 6 people to be judged as
(sol), 2 people judge that scale is judged as 3 (mi) for 1 (do), 1 people.In sound quality scoring, it is 3.0 that 10 people scoring, which is averaged,；
In accuracy in pitch scoring, it is 2.4 that 10 people scoring, which is averaged,.
No. 7 samples, the 1st time tap when there are 3 people to judge that scale is judged as that 3 (mi), 1 people judge scale for 5 for 1 (do), 1 people
(sol), the 5th tap at the end of, the 1st time tap when have 5 people judge scale for 1 (do), 2 people be judged as 3 (mi), 2 people judgement
Scale is 5 (sol), remaining is uncertain.In sound quality scoring, it is 2.6 that 10 people scoring, which is averaged,；In accuracy in pitch scoring, 10 people comment
Point be averaged is 2.1.
As can be seen from the above results, the bronze drum of embodiment 1-5 can send out the scale that scale is 4 (fa), and in sound quality
It is substantially better than traditional bronze drum in terms of accuracy in pitch.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the claims of the present invention.
Claims (6)
1. a kind of production method of middle scale music bronze, which is characterized in that specifically include following steps：
A. the preparation of bronze drum cast model：It first takes wax stone to be fabricated to bronze drum wax pattern, is then filled inside and outside bronze drum wax pattern solid
Determine model substance, the bronze drum wax pattern is fixed, obtains bronze drum cast model, it is spare；The bronze drum wax pattern include drum surface and
Drum body, the bronze drum, which is poured into a mould on model, no less than 2 plug holes, wherein at least 1 top casting orifice for being located at drum surface, until
Few 1 is located remotely from the drum surface, the bottom pour mold orifice positioned at drum body bottom, the drum surface thickness 1.5-2.0mm, drum surface diameter 20-
22cm；
B. the fusing of bronze drum raw material：It first takes crucible to be heated to 550-650 DEG C, keep 30-60min, then takes in making bronze drum
Composition of raw materials is subsequently placed in crucible and is heated to 1200-1300 DEG C, keeps 120-240min, must melt bronze drum liquid, spare；
The composition of raw materials is made of following metallic element：Zinc, tin, aluminium, beryllium, manganese, silicon, nickel and copper；
C. moulding by casting：Take bronze drum described in step a pour into a mould model, drum surface upward, drum body downward, first by the bronze drum casting moulds
Type is heated to 500-600 DEG C, seals bottom pour mold orifice after the outflow of bottom pour mold orifice after the dissolved wax liquor of wax, then takes in step b
The melting bronze drum liquid injects the bronze drum cast model from the plug hole, and finally, bronze drum cast model is put into
Program cools down in environment, keeps 50-100min with the cooling of the rate of 55-65 DEG C/h and in 650-750 DEG C, then furnace cooling,
Kept for 20-30 hours after to room temperature, from bronze drum cast model take out molding bronze drum to get.
2. a kind of production method of middle scale music bronze according to claim 1, which is characterized in that the composition of raw materials
It is made of the metallic element of following degree：Zinc 8.3-10.2%, tin 3.2-3.6%, aluminium 5.3-5.4%, beryllium 1.7-
1.84%, iron 5.0-6.2%, nickel 3.5-3.9%, surplus are copper.
3. a kind of production method of middle scale music bronze according to claim 1 or 2, which is characterized in that the raw material
Formula is made of the metallic element of following degree：Zinc 9.25%, tin 3.4%, aluminium 5.35%, beryllium 1.77%, iron
5.52%, nickel 3.7%, surplus are copper.
4. a kind of production method of middle scale music bronze according to claim 1, which is characterized in that the bronze drum wax-pattern
Average mark is furnished with 2-6 hangers with the drum of type.
5. a kind of production method of middle scale music bronze according to claim 1, which is characterized in that the crucible is selected from
One kind in silicon carbide crucible, graphite crucible, corundum crucible and silica crucible.
6. a kind of production method of middle scale music bronze according to claim 1, which is characterized in that described in step a
Fixed model substance production method is as follows：By weight, 18-25 parts of 45-60 parts husky, 25-35 parts of cement and water are taken, will more than
Raw material stirs evenly, ultrasonic 10-40 minutes to get；The husky and cement crosses 100-200 mesh screens.
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| CN102463321A (en) * | 2010-11-01 | 2012-05-23 | 东兰音乐铜鼓文化传播有限责任公司 | Technological method for producing music bronze drum through hot mould casting |
| CN103456284A (en) * | 2012-05-30 | 2013-12-18 | 东兰音乐铜鼓文化传播有限责任公司 | Method for setting scales of music bronze drums |
| CN104232986A (en) * | 2014-10-15 | 2014-12-24 | 王震 | Preparation method of novel music bronze drum |
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| DE102012110342B4 (en) * | 2012-10-29 | 2016-03-03 | Siempelkamp Maschinen- Und Anlagenbau Gmbh | Rotor body for a comminution device, in particular a drum chipper for the comminution of wood or the like |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102463321A (en) * | 2010-11-01 | 2012-05-23 | 东兰音乐铜鼓文化传播有限责任公司 | Technological method for producing music bronze drum through hot mould casting |
| CN103456284A (en) * | 2012-05-30 | 2013-12-18 | 东兰音乐铜鼓文化传播有限责任公司 | Method for setting scales of music bronze drums |
| CN104232986A (en) * | 2014-10-15 | 2014-12-24 | 王震 | Preparation method of novel music bronze drum |
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