GB/T 37371-2019 PDF English
US$260.00 · In stock · Download in 9 secondsGB/T 37371-2019: Die casting units - Terminology Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 37371-2019 | English | 260 |
Add to Cart
|
0-9 seconds. Auto-delivery
|
Die casting units - Terminology
| Valid |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB/T 37371-2019
GB/T 37371-2019: Die casting units - Terminology---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT37371-2019
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 25.120.30
J 61
Die casting units - Terminology
Issued on. MARCH 25, 2019
Implemented on. OCTOBER 01, 2019
Issued by. State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword... 3
1 Scope... 4
2 Terms and definitions... 4
2.1 Functional device... 4
2.1.1 Basic terminology... 4
2.1.2 Thermal insulation and pouring device... 6
2.1.3 Extractor and conveyor device... 6
2.1.4 Spraying device... 6
2.1.5 Die temperature control device... 7
2.1.6 Cleaning and rectification equipment... 7
2.1.7 Insert device... 7
2.1.8 Detection device... 8
2.1.9 System security device... 8
2.1.10 Filtration device... 9
2.1.11 Integrated control device... 9
2.1.12 Vacuum device... 10
2.1.13 Marking machine... 10
2.1.14 Others... 10
2.2 Performance... 10
2.2.1 Die casting machine... 10
2.2.2 Melt insulation and pouring device... 13
2.2.3 Extractor and conveyor device... 13
2.2.4 Spraying device... 14
2.2.5 Die temperature control device... 14
2.2.6 Detection device... 14
2.2.7 System safety device... 15
2.2.8 Integrated control device... 15
2.2.9 Vacuum device... 15
2.2.10 Others... 16
References... 18
Index... 19
1 Scope
This standard defines the common terms and definitions of the functional
devices and performance of high-pressure die casting units.
This standard applies to die casting units, for high-pressure casting.
2 Terms and definitions
2.1 Functional device
2.1.1 Basic terminology
2.1.1.1
Die casting
The process, in which molten metal is press-injected into the mold AND kept
under high pressure, until it is completely solidified.
2.1.1.2
Die casting machine
A power machine, that press-injects molten metal into a reusable mold, at
high pressure and high speed.
2.1.1.5
Casting
The metal part or part blank, with a certain shape, size, performance The,
which is obtained by casting the molten metal into a mold AND solidifying it.
2.1.2 Thermal insulation and pouring device
2.1.4.3
Spray head
A device, that disperses the parting agent into tiny droplets, through a nozzle
or high-speed airflow.
2.1.5 Die temperature control device
2.1.5.1
Die temperature control devices
A device, that effectively controls the die temperature, through medium
circulation and self-adjustment within a certain range, according to the
setting.
2.1.6 Cleaning and rectification equipment
2.1.6.1
Cleaning and rectification devices
A device, which is used for removing product's casting systems, overflow
systems, burrs, AND shaping products.
2.1.7 Insert device
2.1.7.1
Automatic insert
The process of sending the insert into the specified position of the die.
2.1.7.2
Inserts fixture
The mechanical structure, which clamps the insert.
2.1.7.3
Inserts feeding
A device, that conveys the inserts to a specific location.
2.1.7.4
Inserts heating device
A device, which is composed of heating elements and accessories, for
heating the inserts.
2.1.8 Detection device
2.1.8.1
Inspection equipment
An equipment, which performs testing on the appearance, integrity, size and
other characteristics of castings.
2.1.8.2
Inspection of casting integrity
The behavior of real-time feedback, when finding defects, during the
inspection of the integrity of casting.
2.1.9 System security device
2.1.9.1
System security device
A device, which is used to protect the safety of equipment, personnel,
processes, in the production process of the die casting unit.
2.1.9.2
Alarm unit
A device, which has audible and (or) visual output, to indicate that the
equipment or control system is abnormal or exceeds the limit state.
2.1.9.3
Interlocking device
A mechanical, electrical or other type of device, which is used to prevent
dangerous machine functions from operating, under certain conditions
(usually as long as the protective device is not closed).
[GB/T 15706-2012, definition 3.28.1]
2.1.10 Filtration device
2.1.10.1
Filtration device
A device, which is used to collect and process the oil mist, oil fume, waste
water, dust particles, as produced by the die casting unit.
2.1.11 Integrated control device
2.1.11.1
Integrated control system
All the control devices and programs, which are needed to realize the
process flow of the die casting unit.
2.1.11.2
Data acquisition
Data collection, which is carried out for the purpose of process monitoring
and report generation.
[GB/T 15969.5-2002, definition 3.2]
2.1.11.3
Interlocked control
The control, which is realized by synchronizing the data exchange between
two users. At different points of time, a user waits for other users to send out
some data it expects.
[GB/T 15969.5-2002, definition 3.6]
2.1.11.4
Field bus
A digital, two-way transmission, multi-branch structure communication
network, that connects intelligent field devices and automation systems.
2.1.12 Vacuum device
2.1.12.1
Vacuum device
A device, that quickly draws the gas in the cavity, to a predetermined degree
of vacuum.
2.1.13 Marking machine
2.1.13.1
Marking machine
A device, which is used for marking bar codes, characters, patterns, etc. on
the surface of castings.
2.1.14 Others
2.1.14.1
Cooling device; casting cooling
A device, that reduces the temperature of the casting to the temperature,
which is required by the process.
2.2 Performance
2.2.1 Die casting machine
2.2.1.1
Most metal shot weight
The maximum mass of molten metal, that can be casted into the injection
chamber, at one time.
[GB/T 21269-2018, definition 3.6]
2.2.1.2
Intensification
The use of accumulators, which have differential piston area or higher
pressure, to make the fluid pressure in the injection cylinder higher than the
system pressure.
[GB/T 21269-2018, definition 3.16]
2.2.1.3
Injection pressure, displacement-time curve
The curve, which reflects the relationship between injection pressure,
injection punch displacement and time, as shown in Figure 2.
Legends.
t1 - Slow injection time; t2 - Fast injection time; t3 - System boost time; t4 - System
pressure delay time; t5 - Intensification time; p1 - Slow injection pressure; p2 - Fast
injection pressure; p3 - System pressure; p200 - Steady state value of boost pressure.
Figure 2 -- Injection pressure, displacement-time curve
[GB/T 21269-2018, definition 3.17]
2.2.1.4
Slow injection
The movement process of the injection punch, from the initial position to
when the liquid metal reaches the fast injection transition point.
[GB/T 21269-2018, definition 3.18]
2.2.1.5
Fast injection
The process, in which the injection punch quickly fills the cavity with liquid
metal, after the completion of slow injection.
Pressure
MPa
Time / ms
[GB/T 21269-2018, definition 3.19]
2.2.1.6
Slow injection speed
The average speed of the injection punch, during slow injection.
[GB/T 21269-2018, definition 3.20]
2.2.1.10
Intensification time
After the movement of the injection punch stops, the time interval, FROM the
point when the pressure curve reaches the stationarity value of the working
pressure of hydraulic system (see p3 in Figure 2), TO the end point of the set
pressure time; see t5 in Figure 2.
2.2.1.11
Fast injection working pressure
In a hydraulic system, which has an accumulator, the set pressure of the fast
injection accumulator.
2.2.1.12
Intensification pressure stationarity value
After the injection piston stops moving, the injection pressure which is set to
elapse 200 ms.
2.2.2 Melt insulation and pouring device
2.2.3.1
Max load of extracting device
The maximum mass of die castings, which can be reliably taken out.
2.2.3.2
Accuracy of extracting device
The deviation BETWEEN the set position of the extractor AND the actual
position.
2.2.3.3
Minimum extract time
The shortest time, which is starting from the extractor position, taking out the
casting, conveying to the extractor position.
2.2.4 Spraying device
2.2.4.1
Spray quantity
The volume of parting agent, which is sprayed per unit time.
2.2.4.2
Accuracy of spray device
The deviation, BETWEEN the spraying setting position AND the actual
position.
2.2.4.3
Spray cycle time
The time, FROM the start of spraying TO the end of spraying and returning
to the original position.
2.2.5 Die temperature control device
2.2.6 Detection device
2.2.6.1
Specified requirement
Expressed needs or expectations.
2.2.7 System safety device
2.2.7.1
Redundancy
The product has more than one means to perform the same prescribed
function.
2.2.7.2
Reliability
The ability of a machine, its parts or devices, to perform a specified function,
under specified conditions AND within a specified time interval.
2.2.8 Integrated control device
2.2.8.1
Storage capacity
The capacity of user program memory.
2.2.8.2
Extensibility
The extent to which the number of system I/O points, storage capacity,
networking functions, various functional modules can be expanded.
2.2.8.3
Scanning speed
The speed at which the application is executed.
2.2.9 Vacuum device
2.2.9.1
Pumping rate
The ability of a vacuum pump, to pump-drain gas per unit time, under its
working pressure.
2.2.9.3
Vacuum pressure
The degree of gas thinning under vacuum.
2.2.10 Others
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
Tips & Frequently Asked QuestionsQuestion 1: How long will the true-PDF of English version of GB/T 37371-2019 be delivered?Answer: The full copy PDF of English version of GB/T 37371-2019 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice. Question 2: Can I share the purchased PDF of GB/T 37371-2019_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 37371-2019_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB/T 37371-2019 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds. How to buy and download a true PDF of English version of GB/T 37371-2019?A step-by-step guide to download PDF of GB/T 37371-2019_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).
Step 2: Search keyword "GB/T 37371-2019".
Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart.
Step 4: Select payment option (Via payment agents Stripe or PayPal).
Step 5: Customize Tax Invoice -- Fill up your email etc.
Step 6: Click "Checkout".
Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively.
Step 8: Optional -- Go to download PDF.
Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice.
See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9
|