CN108507510A - A kind of method and apparatus measuring different amorphous precision part molding difficulty differences - Google Patents
A kind of method and apparatus measuring different amorphous precision part molding difficulty differences Download PDFInfo
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- CN108507510A CN108507510A CN201810285095.4A CN201810285095A CN108507510A CN 108507510 A CN108507510 A CN 108507510A CN 201810285095 A CN201810285095 A CN 201810285095A CN 108507510 A CN108507510 A CN 108507510A
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- 238000000465 moulding Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004512 die casting Methods 0.000 claims abstract description 42
- 239000000956 alloy Substances 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 11
- 230000008859 change Effects 0.000 abstract description 7
- 238000005275 alloying Methods 0.000 abstract description 5
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 8
- 239000010949 copper Substances 0.000 description 7
- 239000003708 ampul Substances 0.000 description 6
- 239000010453 quartz Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910000952 Be alloy Inorganic materials 0.000 description 1
- 240000004160 Capsicum annuum Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
A kind of method and apparatus measuring different amorphous precision part molding difficulty differences, this approach includes the following steps：A. under the same test condition, the first and second amorphous precision part of difference die casting same alloy material but different molding structures, and measurement makes the molding minimum melt temperature of the first and second amorphous precision part；B. in the case where making the molding minimum melt temperature of the first amorphous precision part, the simple sample of die cast fisrt feature；C. in the case where making the molding minimum melt temperature of the second amorphous precision part, the simple sample of the simple sample die cavity die cast second feature of same feature is used；D. it is compared by the simple sample of fisrt feature and the molding length of the simple sample of second feature or with the relevant characteristic value of length, the difference of the two is that the first and second amorphous precision part is molded difficulty difference.Measure the molding difficulty of different structure precision part through the invention, measurement result is accurate and reliable and difference value stabilization, does not change substantially with the alloying component of precision part and changes.
Description
Technical field
The present invention relates to a kind of method and apparatus for measuring different amorphous precision parts and being molded difficulty difference.
Background technology
The characteristics of consumer electronics product amorphous precision part is geometric dimension complex precise, there is the interconnecting piece of thin-walled narrow side more
Position.Quickly due to mold cooling rate, very high in the mobility requirement of mould inside to melt, and fluidity of molten is depending on more
A factor includes the viscosity of melt, initial velocity when being injected into mold and with the frictional force of mould inner wall or wellability etc..
For determining composition, in the case where die casting pressure and mold material also determine, mobility depends primarily on melt temperature, temperature
It is high to spend low then viscosity, especially temperature can quickly increase less than viscosity after fusing point, drastically reduce mobility, big again even if pressure
It is difficult flowing, and high melt temperature can extend the time that melt is cooled to fusing point, and then melt is made to be flowed more in mold
Remote distance obtains better mouldability.But excessively high melt temperature generally results in the increase of melt oxygen content, it is also possible to make
Because more heats that need to dissipate cause prolong cooling time in the case that the practical cooling capacity of copper mold reduces or cooling rate is constant
It is long.
For some precision part, certainly exists a minimum melt temperature and be just met for its complete molding.For knot
For the precision part of structure complexity, precision part is more complicated, is more difficult to completely be molded, then needs minimum melt temperature to be achieved higher.
The molding complexity for determining precision part needs to find out minimum melt temperature, then precision part mold must be used for multiple times, lead to mould
Have service life to decline.
Although moreover, can judge the complexity of its mouldability by comparing the minimum melt temperature of different precision parts, so
And the minimum melt temperature difference between different precision parts changes with the alloying component of precision part material and is changed, and is not a fixed
Value.For example, the minimum melt temperature for the narrow side Kato that material is Zr55 is 950 DEG C, material is the minimum of the broadside Kato of Zr55
Melt temperature is 910 DEG C, and the minimum melt temperature of both precision parts differs 40 DEG C.Material is the minimum of the narrow side Kato of Nb5
Melt temperature is 1030 DEG C, and the minimum melt temperature for the broadside Kato that material is Nb5 is 960 DEG C.Both precision parts it is minimum
Melt temperature differs 70 DEG C.Minimum melt temperature difference between different precision parts changes with alloying component and is changed, it has not been convenient to
The difference of different precision part molding difficulty is determined with minimum melt temperature.
It would therefore be highly desirable to seek a kind of different non-crystaline amorphous metal fine structure part molding difficulty differences of the determination of simple and convenient practicality
Method.
Invention content
It is a primary object of the present invention to, provide a kind of to measure the molding of different amorphous precision parts in view of the deficiencies of the prior art
The method and apparatus of difficulty difference.
To achieve the above object, the present invention uses following technical scheme：
A method of it measuring different amorphous precision parts and is molded difficulty difference, include the following steps：
A. under the same test condition, the first amorphous of die casting same alloy material but different molding structures is accurate respectively
Part and the second amorphous precision part, and measurement makes the first amorphous precision part and the molding most eutectic of the second amorphous precision part
Temperature；
B. in same pressure condition and under making the molding minimum melt temperature of the first amorphous precision part, feature is used
The simple sample of fisrt feature of simple sample die cavity die cast same alloy material；
C. in same pressure condition and under making the molding minimum melt temperature of the second amorphous precision part, using same
The simple sample die cavity die cast same alloy material of feature the simple sample of second feature；
D. by the simple sample of the fisrt feature and the molding length of the simple sample of the second feature or related to length
Characteristic value be compared, the difference of the two be the first amorphous precision part and the second amorphous precision part to be molded difficulty poor
It is different.
The simple sample of feature is the simple sample of plate or rodlike simple sample, and the length is that the plate is simply tried
The length of sample or the rodlike simple sample, the described and relevant characteristic value of length are the area of the simple sample of the plate.
The alloy material is Zr55Cu30Ni5Al10Or Zr57Nb5Cu15.4Ni12.6Al10。
Using with the first amorphous precision part die cavity, the second amorphous precision part die cavity and the simple sample of feature in step a-c
The same die casting of die cavity, the simple sample die cavity of feature in step b-c are the simple sample die cavity of same feature.
The die cavity of the simple sample of plate is thickness 0.5mm ± 0.1mm ranges, long 70mm ± 5mm ranges, wide 5mm ± 1mm
The lath-shaped of range；The die cavity of the rodlike simple sample is long 70mm ± 5mm ranges, diameterRange
It is cylindric.
A kind of equipment measuring different amorphous precision part molding difficulty differences, including：
Die casting, the die casting have the first amorphous precision part die cavity, the second amorphous precision part die cavity and feature
Simple sample die cavity；
The die cavity of different amorphous precision parts and its simple sample die cavity of corresponding feature can not also be arranged in same mold
On.
A kind of equipment measuring different amorphous precision part molding difficulty differences, including：
First die casting, first die casting have the first amorphous precision part die cavity and the simple sample of fisrt feature
Die cavity；And there is the second amorphous precision part die cavity and second feature simply to try for second die casting, second die casting
Original mold chamber；The simple sample die cavity of fisrt feature and the simple sample die cavity of the second feature are the simple sample of same feature
Die cavity.
The simple sample die cavity of feature is lath-shaped die cavity or cylindric die cavity.
Lath-shaped die cavity thickness 0.5mm ± 0.1mm ranges, long 70mm ± 5mm ranges, wide 5mm ± 1mm ranges.
Long 70mm ± 5mm the ranges of cylindric die cavity, diameterRange.
A method of it being molded difficulty difference using the device measuring difference amorphous precision part, is included the following steps：
A. while using the first amorphous precision part die cavity die casting the first amorphous precision part, in same pressure and temperature
The simple sample of the simple sample die cavity die casting feature of the feature is used under the conditions of degree；And when the first amorphous precision part is molded
Measure the molding length of the simple sample of the feature or with the relevant characteristic value of length；
B. while using the second amorphous precision part die cavity die casting the second amorphous precision part, in same pressure and temperature
The simple sample of the simple sample die cavity die casting feature of the feature is used under the conditions of degree；And when the second amorphous precision part is molded
Measure the molding length of the simple sample of the feature or with the relevant characteristic value of length；
C. it is compared by the obtained length of step a and b or with the relevant characteristic value of length, the difference of the two is described the
One amorphous precision part and the second amorphous precision part are molded difficulty difference；
The wherein described first amorphous precision part, the second amorphous precision part and the simple sample of corresponding feature use same
Kind alloy material.
The present invention has the advantages that：
The present invention corresponds to the simple sample of feature (such as plate and the stick of different structure amorphous precision part by die cast
Shape sample), it converts the complexity of precision part mouldability to length or area, carrys out the molding between the different precision parts of comparison
Difficulty difference.The molding difficulty difference of the different structure precision part that the present invention measures is accurate and reliable and difference value stabilization, substantially
Do not change with the alloying component of precision part and change, avoid minimum melt temperature difference between different precision parts with alloy at
Divide and change and change, it has not been convenient to determine the problem of different precision parts molding difficulty differences with minimum melt temperature.In addition, this hair
It is bright to also help the access times for reducing Measurement die, extend its service life.
In the preferred scheme, it is the plate that the present invention, which uses the simple sample of plate or rodlike simple sample, the length,
The length of the simple sample of shape or the rodlike simple sample, the described and relevant characteristic value of length are the simple sample of the plate
Area so that the error very little of measured molding difficulty difference.If the too difficult molding of the simple sample of feature, the feature converted are long
Degree or feature area are then too small, and error can be very big when comparing its characteristic value.If the too easy molding of the simple sample of feature, converts
Characteristic length or characteristic face are actively easy to reach feature saturation value, can not compare its characteristic value.In particularly preferred scheme, plate
The simple sample membrane cavity of shape feature is thickness 0.5mm ± 0.1mm ranges, long 70mm ± 5mm ranges, the lath of wide 5mm ± 1mm ranges
Shape.Simple its specification of sample membrane cavity of rod-like character is long 70mm ± 5mm ranges, diameterThe cylinder of range
Shape.Preferred embodiment further decreases the error of measured molding difficulty difference.
Description of the drawings
Fig. 1 is that the different amorphous precision parts of measurement of an embodiment of the present invention are molded the device structure signal of difficulty difference
Figure；
Fig. 2 is that the different amorphous precision parts of measurement of another embodiment of the present invention are molded the device structure signal of difficulty difference
Figure.
Specific implementation mode
It elaborates below to embodiments of the present invention.It is emphasized that following the description is only exemplary,
The range being not intended to be limiting of the invention and its application.
Refering to fig. 1 and Fig. 2, in one embodiment, a method of it measuring different amorphous precision parts and is molded difficulty differences,
Include the following steps：
A. under the same test condition, using 2 (figure of the first amorphous precision part die cavity 1 and the second amorphous precision part die cavity
In die cavity shape it is only schematical), the first amorphous of die casting same alloy material but different molding structure is accurate respectively
Part and the second amorphous precision part, and measurement makes the first amorphous precision part and the molding most eutectic of the second amorphous precision part
Temperature；
B. in same pressure condition and under making the molding minimum melt temperature of the first amorphous precision part, feature is used
The simple sample of fisrt feature of simple 3 die cast same alloy material of sample die cavity；
C. in same pressure condition and under making the molding minimum melt temperature of the second amorphous precision part, using same
The simple 3 die cast same alloy material of sample die cavity of feature the simple sample of second feature；
D. by the simple sample of the fisrt feature and the molding length of the simple sample of the second feature or related to length
Characteristic value be compared, the difference of the two be the first amorphous precision part and the second amorphous precision part to be molded difficulty poor
It is different.
Refering to fig. 1, in an advantageous embodiment, the molding simple sample of feature of institute is the simple sample of plate, institute
The length that length is the simple sample of the plate is stated, the described and relevant characteristic value of length is the face of the simple sample of the plate
Product.
Referring to Fig.2, in another preferred embodiment, the molding simple sample of feature of institute is rodlike simple sample,
The length is the length of the rodlike simple sample.
The alloy material can be (but not limited to) Zr55Cu30Ni5Al10(abbreviation Zr55) or
Zr57Nb5Cu15.4Ni12.6Al10Non-crystaline amorphous metals such as (abbreviation Nb5).
It is used in a preferred embodiment with the first amorphous precision part die cavity, second in step a-c with Fig. 2 refering to fig. 1
The same die casting of amorphous precision part die cavity and the simple sample die cavity of feature 3, the simple sample mold of feature used in step b-c
Chamber 3 is the simple sample die cavity of same feature.
In more preferred embodiment, the die cavity of the simple sample of plate is thickness 0.5mm ± 0.1mm ranges, long 70mm ±
5mm ranges, the lath-shaped of wide 5mm ± 1mm ranges；The die cavity of the rodlike simple sample is long 70mm ± 5mm ranges, diameterRange it is cylindric.Optimal is above-mentioned median.
Refering to fig. 1 and Fig. 2, in one embodiment, a kind of equipment measuring different amorphous precision parts molding difficulty differences,
Including：Die casting, the die casting have the first amorphous precision part die cavity 1, the second amorphous precision part die cavity 2 and feature letter
Single sample die cavity 3.
Refering to fig. 1, in an advantageous embodiment, the simple sample die cavity 3 of the feature is lath-shaped die cavity.More preferably
Ground, lath-shaped die cavity thickness 0.5mm ± 0.1mm ranges, long 70mm ± 5mm ranges, wide 5mm ± 1mm ranges.
Referring to Fig.2, in another preferred embodiment, the simple sample die cavity 3 of feature is cylindric die cavity.More preferably
Ground, the cylindric long 70mm ± 5mm ranges of die cavity, diameterRange.
In a preferred embodiment, the simple sample die cavity 3 of feature include casting gate 4, pour cast segment 5, changeover portion 6 and sample molding
Cavity 7, the casting gate 4, cast segment 5, the changeover portion 6 and the sample forming recess 7 of pouring are sequentially connected.
Casting gate 4 is used for and the quartz ampoule (being not limited to quartz ampoule, ceramic tube, graphite-pipe etc.) equipped with sample melt
Exit tip abuts, and inclination angle is 30~45 °, and excessive inclination angle tends to interfere with quartz ampoule and contacted with casting gate, with
Quartzy pipe outer wall bumps against.Casting gate 4 is preferably diameterCircular port.
It pours cast segment 5 to flow into die cavity convenient for melt, is preferably 3~4mm long, diameterCylinder.
Changeover portion 6 is preferably back taper for carrying out shape transition between cast segment 5 and sample forming recess 7 to pouring.
The die cavity of different amorphous precision parts and its simple sample die cavity of corresponding feature can not also be arranged in same mold
On.
In another embodiment, a kind of equipment measuring different amorphous precision part molding difficulty differences, including：First pressure
Casting mould, first die casting have the first amorphous precision part die cavity and the simple sample die cavity of fisrt feature；And second
Die casting, second die casting have the second amorphous precision part die cavity and the simple sample die cavity of second feature；Described
The simple sample die cavity of one feature and the simple sample die cavity of the second feature are the simple sample die cavity of same feature.
A method of it being molded difficulty difference using the device measuring difference amorphous precision part described in aforementioned any embodiment,
Include the following steps：
A. while using the first amorphous precision part die cavity die casting the first amorphous precision part, in same pressure and temperature
The simple sample of the simple sample die cavity die casting feature of the feature is used under the conditions of degree；And when the first amorphous precision part is molded
Measure the molding length of the simple sample of the feature or with the relevant characteristic value of length；
B. while using the second amorphous precision part die cavity die casting the second amorphous precision part, in same pressure and temperature
The simple sample of the simple sample die cavity die casting feature of the feature is used under the conditions of degree；And when the second amorphous precision part is molded
Measure the molding length of the simple sample of the feature or with the relevant characteristic value of length；
C. it is compared by the obtained length of step a and b or with the relevant characteristic value of length, the difference of the two is described the
One amorphous precision part and the second amorphous precision part are molded difficulty difference；
The wherein described first amorphous precision part, the second amorphous precision part and the simple sample of corresponding feature use same
Kind alloy material.
Practical measuring examples
The simple sample die cavity of platy character is thickness 0.5mm, long 70mm, the lath-shaped of wide 5mm.The simple sample mold of rod-like character
Chamber is long 70mm, diameterIt is cylindric.
Measuring process includes：
1. measuring minimum melt temperature：In the case where determining bath composition, precision part is set completely to be molded with maximum gas pressure, record pressure
Melt temperature when casting.Meet precision part it is complete molding under the premise of, find out minimum melt temperature.
2. being converted into characteristic value：With maximum gas pressure, cast is pushed into the simple sample of plate or rodlike in minimum melt temperature
Simple sample.By comparing the length or area of the plate tensile sample of formation, or compare the length for the bar samples to be formed, judges not
With the complexity of precision part mouldability, in brief, the length of the plate tensile sample of formation is longer, area is bigger, or formed
The length of bar samples is longer, then the mouldability required by the precision part is higher, is more difficult to be molded.And different precision part mouldabilities it
Between difficulty or ease, the difference of the length of the length or area of the plate tensile sample exactly formed or the bar samples of formation.
Specifically, with Zr55Cu30Ni5Al10(abbreviation Zr55) and Zr57Nb5Cu15.4Ni12.6Al10(abbreviation Nb5) be alloy at
Point, it is difficult by the molding for being molded the different fine structure parts (broadside card slot and narrow side card slot) of two kinds of the simple Specimen Determination of platy character
Spend difference.
Main test device has mold, evacuated die-casting process device, infrared thermometer.
Raw material Zr55 is placed in quartz ampoule, evacuated die-casting process device is put into, by quartz ampoule tip and precision part die surface
Casting gate alignment.It is evacuated to 10Pa with mechanical pump hereinafter, be passed through appropriate argon gas is evacuated to 10Pa or less again.The above process
It repeats once, then opens diffusion pump and be evacuated to 1*10-3Pa。
With infrared thermometer alignment quartz ampoule tip, die casting air pressure is adjusted to 0.34MPa, then opens heating device, melts
Change raw material Zr55, keeps 5s or so in the temperature of required die casting, stop heating at once and metal liquid die casting is entered into precision part simultaneously
Mold.
It repeats the above steps, until finding Zr55 respectively for broadside card slot and the minimum melt temperature of narrow side card slot, that is, exists
This precision part can just be completely molded at this temperature.Another ingredient Nb5 is also to repeat above step.
After determining minimum melt temperature, in the die cast plate shape under the minimum melt temperature of broadside card slot and narrow side card slot respectively
Simple sample, is finally compared.
For narrow side Kato and broadside Kato, with the difference of the simple sample characteristics value of feature to the minimum melt temperature of the two
Difference is converted.The characteristic length for measuring the simple sample of the corresponding plate of narrow side Kato of Zr55 materials is 9.0mm, Zr55 materials
The characteristic length of the simple sample of the corresponding plate of broadside Kato of material is 6.1mm.Measure the corresponding plate of narrow side Kato of Nb5 materials
The characteristic length of the simple sample of shape is 9.1mm, and the characteristic length of the simple sample of the corresponding plate of broadside Kato of Nb5 is 6.2mm.
Experiment finds that the difference of the characteristic length after converting is not different with alloying component change, shows narrow side Kato and broadside card
Support molding difficulty differs 2.9mm, and the molding difficulty of wherein broadside Kato is stronger, it is easier to be molded.The error of characteristic length difference
In ± 0.1mm ranges.
The above content is specific/preferred embodiment further description made for the present invention is combined, cannot recognize
The specific implementation of the fixed present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs,
Without departing from the inventive concept of the premise, some replacements or modification can also be made to the embodiment that these have been described,
And these are substituted or variant all shall be regarded as belonging to protection scope of the present invention.
Claims (10)
1. a kind of method measuring different amorphous precision part molding difficulty differences, which is characterized in that include the following steps：
A. under the same test condition, respectively die casting same alloy material but the first amorphous precision part of different molding structure and
Second amorphous precision part, and measurement makes the first amorphous precision part and the molding minimum melt temperature of the second amorphous precision part
Degree；
B. simple using feature in same pressure condition and under making the molding minimum melt temperature of the first amorphous precision part
The simple sample of fisrt feature of sample die cavity die cast same alloy material；
C. in same pressure condition and under making the molding minimum melt temperature of the second amorphous precision part, same spy is used
Levy the simple sample of second feature of simple sample die cavity die cast same alloy material；
D. by the simple sample of the fisrt feature and the molding length of the simple sample of the second feature or with the relevant spy of length
Value indicative is compared, and the difference of the two is that the first amorphous precision part and the second amorphous precision part are molded difficulty difference.
2. the method as described in claim 1, which is characterized in that the simple sample of feature is the simple sample of plate or rodlike letter
Single sample, the length are the length of the simple sample of the plate or the rodlike simple sample, the described and relevant spy of length
Value indicative is the area of the simple sample of the plate.
3. method as claimed in claim 1 or 2, which is characterized in that the alloy material is Zr55Cu30Ni5Al10Or
Zr57Nb5Cu15.4Ni12.6Al10。
4. method as claimed in claim 1 or 2, which is characterized in that using with the first amorphous precision part mould in step a-c
The same die casting of chamber, the second amorphous precision part die cavity and the simple sample die cavity of feature, the simple sample of feature in step b-c
Die cavity is the simple sample die cavity of same feature.
5. method as claimed in claim 2, which is characterized in that the die cavity of the simple sample of plate is thickness 0.5mm ± 0.1mm
Range, long 70mm ± 5mm ranges, the lath-shaped of wide 5mm ± 1mm ranges；The die cavity of the rodlike simple sample be long 70mm ±
5mm ranges, diameterRange it is cylindric.
6. a kind of equipment measuring different amorphous precision part molding difficulty differences, which is characterized in that
Including：
Die casting, the die casting have the first amorphous precision part die cavity, the second amorphous precision part die cavity and feature simple
Sample die cavity；Or
Including：
First die casting, first die casting have the first amorphous precision part die cavity and the simple sample mold of fisrt feature
Chamber；And second die casting, second die casting have the second amorphous precision part die cavity and the simple sample of second feature
Die cavity；The simple sample die cavity of fisrt feature and the simple sample die cavity of the second feature are the simple sample mold of same feature
Chamber.
7. equipment as claimed in claim 6, which is characterized in that the simple sample die cavity of feature is lath-shaped die cavity or cylinder
Shape die cavity.
8. equipment as claimed in claim 7, which is characterized in that lath-shaped die cavity thickness 0.5mm ± 0.1mm ranges are long
70mm ± 5mm ranges, wide 5mm ± 1mm ranges.
9. equipment as claimed in claim 7, which is characterized in that the cylindric long 70mm ± 5mm ranges of die cavity, diameterRange.
10. a kind of using such as claim 6 to 9 any one of them device measuring difference amorphous precision part molding difficulty difference
Method, which is characterized in that include the following steps：
A. while using the first amorphous precision part die cavity die casting the first amorphous precision part, in same pressure and temperature item
The simple sample of the simple sample die cavity die casting feature of the feature is used under part；And it is measured when the first amorphous precision part is molded
The molding length of the simple sample of feature or with the relevant characteristic value of length；
B. while using the second amorphous precision part die cavity die casting the second amorphous precision part, in same pressure and temperature item
The simple sample of the simple sample die cavity die casting feature of the feature is used under part；And it is measured when the second amorphous precision part is molded
The molding length of the simple sample of feature or with the relevant characteristic value of length；
C. it is compared by the obtained length of step a and b or with the relevant characteristic value of length, the difference of the two is described first non-
Brilliant precision part and the second amorphous precision part are molded difficulty difference；
The wherein described first amorphous precision part, the second amorphous precision part and the simple sample of corresponding feature use conjunction of the same race
Golden material.
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