This standard specifies the technical requirements, test methods, inspection rules, etc. for full vertical motor rotor die casting machines. JB/T 8353.2-1996 Technical requirements for full vertical motor rotor die casting machines JB/T8353.2-1996 Standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JD/T 8353. 2-96
Fully Vertical Motor Rotor Die Casting Machine
Technical Conditions
Published on April 11, 1996
Ministry of Machinery Industry of the People's Republic of China
Implemented on October 1, 1996
JB/T 8353.296
This standard shall be implemented from January 1, 1995
This standard shall be proposed and raised by the National Machinery Standardization Technical Conference. The drafting unit of this standard: Zhunnan Machinery Industry. The main drafters of this standard: Song Shaoshang, Yongbing, Wu Haiyun. This standard was first issued on April 11, 1996. Scope
Machinery Industry Standard of the People's Republic of China
Vertical Motor Rotor Die Casting Machine
Technical Parts
The technical standard specifies the technical requirements, test methods, inspection rules, etc. of vertical motor rotor die casting machines. J1/I 8353. 3-96
This standard is mainly based on automotive motor rotors, and is a simplified version of the full-text motor rotor die casting machine.
3 References to 1 Standards
The following provisions are included in the standard. They constitute the text of the standard through reference in this standard. When the standard is published, the version shown is open, all standards will be considered, and all parties using this standard should explore the possibility of using the latest version of the following engraved standard CB1-90 Packaging storage and transportation pictorial symbol
137583 General technical conditions for hydraulic systems
G/T5226.1-1996 Industrial machinery and electrical equipment - Part - General technical components GB7932.87 General technical conditions for pneumatic systems
GB7935-87 General technical conditions for pressure reducing elements TB1430-93 Technical conditions for shock-compression and display molding machines General technical components for casting machinery
IB1644-91
B/T53 65.191 Method for determination of the clarity of casting machinery - Gravimetric method JB5545-91 Technical conditions for safety protection of casting machinery 9B6531.2-92 Method for determination of casting machine noise - Determination by pressure level 2BJ506-8
3 Reduction of technical documents of random metal cutting machine tools, technical characteristics of machine tools
ZBJ5001189
ZB.150013--29
Technical conditions for machine hole packaging
2B16100 Technical conditions for cold room pressure expansion
3 Installation requirements
3.! The pressure gauge should meet the requirements of this standard and be selected according to the drawings and technical documents approved by the prescribed procedures. 3.2 The basic parameters and accuracy of the compressor should meet the relevant standards. 3.3 The filter system and filter components should meet the requirements of GB3766 and GB793. 3.4 The pneumatic part should meet the requirements of 0B/T5225.1. 3.5 The pneumatic part should meet the requirements of GB7932. All the joints, flanges, air valves, pistons, etc. of the pneumatic system should be well sealed and connected. There should be no creeping, stopping, catching and obvious falling of the working parts within the complete range. 3.6 The compressor should ensure complete lubrication. 3.7 Appearance requirements shall comply with the provisions of JB1644-S1, Article 5, and the provisions of ZBJ50011. Approved by the Ministry of Machinery Industry in 1996-(4-[1], and implemented in JR/F H353.2-96. 3.8 Rotor load cell time and cleaning parameters of the test sensor 3. Each injection: the drop in the energy storage pressure shall not exceed 10% of the upper working pressure. 3.10 The maximum temperature of the working chamber shall not exceed 55°C during continuous operation when the temperature is below 5°C after sufficient cooling. 3.1: The cleanliness of the liquid system shall be less than 20mg/100mL. 3.12 The internal cleanliness value shall comply with JB1434- 93. 3.13 Rotor press must be able to press and eject
3.13.1 The maximum air injection speed of the rotor press should not be less than 2/s. 3.13.2 The rotor press should not exceed 60m when it is built. 3.14 The service life of the rotor press before the first overhaul should not be less than 15000h. 3.15 Safety requirements
3.15.1 The safety protection of the rotor press should comply with the provisions of JB5545. 3.15. 2
The user's liquid H system is equipped with a device to release and cut off the energy in the midstream. 3.15.3 The energy device should have a warning sign for the effective gas filling, and the explosion should be explained in the instruction manual. 3.15.4 The energy device should be designed and manufactured by the design and production unit approved by the national designated safety supervision agency. The production should have a certificate of conformity. 3.15.5 When the rotary press is running, the operating sound should not be greater than 5B (A) 3.16 The electrical equipment used on the rotor press (such as electrical components, pneumatic components, and auxiliary tools, etc.) should have a manufacturing certificate and should comply with the relevant standards. When shipped, it should be tested at the same time as the rotor machine. 3.17 The rotor machine should be equipped with energy filling tools, spare parts, special tools and accessories of energy sealing components, 3.18 The random technical parts should be packaged with product instructions, certificates of conformity and packing lists. The order of the random technical documents shall comply with the provisions of Z11:0C.
4 Inspection method
4.1 The clamping force shall be measured according to the provisions of 5.2 of ZB J6107-39. 2 The misalignment of the die casting machine shall be measured according to the relevant standards. 43 The positive injection force and reverse injection force of the large air injection molding machine shall be determined by the non-electric method. 4.3.1 The maximum chamber film ejection speed shall be determined according to the provisions of 5.4.1 in 2BJ62097-89. 4.3.2 Determination of ejection force and time of ejection
4.3.2.1 Determination conditions
) Velocity during ejection (1.5±0.2) m/1
b) Temporary pressure, system working ratio:
e) Display: Time scale 0.019
Recording paper tape speed 500nirm/%
The cat-circuit of the connected sensor should not be damped.
4.3.2.2 The ejection force shall be determined according to the provisions of 5.4.2.2 in 2H161007-89. 4.3.2.3 The wall ejection time shall be determined according to the provisions of 5.4.2.3 in ZBJ61007-89. 4.4 The pressure drop of the accumulator after each injection is measured at the accumulator supply port pressure, and the measuring base point should be close to the supply port. 4.5 The time of the empty loop is measured with a test meter, and the trace should be the time interval from the moment the actuator starts to move to the moment it stops. 4.6 The injection volume is calculated by formula (1) D
The maximum injection volume, k is:
K——Filling coefficient of injection chamber, 0.95;
——Total maximum chamber diameter, m
L The effective travel of the punch is calculated. m
JR/T 8353.296
2. Alloy density (coal: 2.5×10), kg/m4.7 The cleanliness of the rotor die casting machine is measured according to J/T5365.1. 4. Idle running test
4.8.1 Idle running test refers to the test item of the rotor die casting machine under the condition of continuous operation for 4 hours. 4.8.2 The factory idle running test shall be carried out according to the requirements of 6.5 of B16d1. 4.8.3 In addition to the implementation of 4.5.2, the idle running test during type inspection shall also supplement the following inspections: a) Maximum idle speed and minimum idle time; b) Pressure drop during the test: bzxz.net
=) - time of empty cycle:
d> sound.
4.8.1 If a fault occurs during continuous operation, it can be eliminated in minutes, but the time for each troubleshooting must not exceed 15 minutes, and the timing must not exceed 30 minutes.
4.9 The continuous time of load test for the rotor die-casting machine shall not be less than 2 hours. Check the following parameters at the same time; a) Maximum injection force: c) Maximum metal injection volume: d) Hydraulic system working fluid concentration, 5.1.1 The rotor die-casting machine shall be inspected one by one before leaving the factory. It can only be shipped after passing the inspection and attaching the product qualification certificate. 5.1.2 Each rotor chain press machine shall be subjected to a close running test. On the basis of the idle running test, it shall be inspected according to the provisions of 3.2~3.5 and 3.7. All the inspection items shall be qualified.
5.2 Type Inspection
521 When any of the following situations occurs, type inspection shall be carried out: a) Trial type inspection for new products or old products transferred to the factory for production; b) After formal production, such as the tree, materials, etc.When the technology has changed significantly and the product can be sold, after formal production or after the first certain production volume is reached, the reverse sequence cycle will be carried out;
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