Description
hardware flow control. It is an ideal choice in the field of industrial automation.
The research and development, manufacturing and sales of high-end bearing steel
are basically monopolized by the world”s bearing giants Timken
of the United States and SKF of Sweden. In the past few years, they established bases
in Yantai and Jinan, Shandong Province, purchased low-end materials from China,
used their core technologies to make high-end bearings, and sold them to the Chinese
market at ten times the price. Adding rare earths during the steelmaking process can make
the original high-quality steel “stronger”. But how to add it is the core secret of the world”s bearing giants.
High-pressure plunger pump 14 “High-pressure plunger pump, a thorn in the throat of China”s
equipment manufacturing industry” (Science and Technology Daily, May 28)
The hydraulic system is one of the key components in the equipment manufacturing industry.
In all engineering fields and wherever there is mechanical equipment, the hydraulic system
is inseparable. The high-pressure plunger pump is the core component of high-end hydraulic equipment and is
called the “heart” of the hydraulic system. The scale of China”s
hydraulic industry has become the second in the world in 2017, but the industry is large but not strong,
especially high-pressure plunger pumps with rated pressures above 35MPa, more than 90% of which rely on imports.
Compared with foreign brands, domestically produced hydraulic piston pumps have a large gap in
technological advancement, working reliability, service life, variable mechanism control function and dynamic
and static performance indicators. They are basically equivalent to those produced abroad in the early 1990s. level.
Aeronautical Design Software 15″Aviation software is in embarrassment, and domestic aircraft design is
under a “tightening curse”” (Science and Technology Daily, May 30)
Since the 1980s, the world”s aviation industry has entered a new stage of digital design, and has now reached a level
of dependence that makes it impossible to design without software. Designing an aircraft requires at least a dozen types
of professional software, all of which are products from European and American countries. Domestic design units not only
have to invest huge sums of money to purchase software, but also wear steel rings on their heads. Once the “spell” is recited, the
entire aviation industry will be paralyzed. According to media reports, when the J-10 aircraft was designed, the entire metal components
of the main load-bearing structure of the main landing gear were commissioned to be manufactured abroad. But after it was built, there was
a problem with the retraction and retraction of the landing gear. There was a 5 mm error, so we had to re-order it. Just this small
error affected the delay of the J-10″s first flight by eight or nine months. Without full digital software support, any slight error may become
a nightmare for the manufacturing industry.
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SC520M 3BSE016237R1 ABB Submodule Carrier incl
SA9923a-E HIEE450964R0001 ABB power-supply module
REF542PLUS ABB Relay protection device
PP836 3BSE042237R1 ABB Operator Panel
PP875 3BSE092977R1 ABB Operator Panel
PP865 3BSE042236R1 ABB Operator Panel
PP836A 3BSE042237R2 ABB Operator Panel
PM891K02 3BSE053242R1 ABB Processor Unit
PM891K01 3BSE053241R1 ABB Processor Unit
AC800M 3BSE053240R1 PM891 ABB Processor Unit
PM866K01 3BSE050198R1 ABB Processor Unit
PM866A-2 3BSE081230R1 ABB control module
PM864AK01-eA 3BSE018161R2 ABB Processor Unit
PM864AK01 3BSE018161R1 ABB Processor Unit
PM861AK01 3BSE018157R1 ABB Processor Unit
PM803F 3BDH000032R1 ABB Processor module
PFTL101B 20KN 3BSE004203R1 ABB Tension sensor module
PFSK162 3BSE015088R1 ABB Circuit board card
PFSK160A 3BSE009514R1 ABB Signal concentrator board
PFSK152 3BSE018877R2 3BSC980006R361 ABB Signal concentrator board
PFSK151 3BSE018876R1 ABB Signal processor
PFEA113-20 3BSE028144R0020 ABB Tension Electronics
PFEA112-65 3BSE050091R65 ABB Tension Electronics
1SBP260109R1001 XO08R2 ABB Relay Output Extension Module
XDD501A101 3BHE036342R0101 ABB Processor module
USC329AE01 ABB Control/Interface Panel
UNS4881b,V4 3BHE009949R0004 ABB Excitation Module
UNS2882A 3BHE003855R0001 ABB module
UNS2881b-P,V1 3BHE009319R0001 ABB module
UNS2880B-P,V1 3BHE014967R0001 ABB module
UNS0122A-P 3BHE042393R0101 ABB output module
UFC911B110 3BHE037864R0110 ABB PLC Processor module
UFC762AE101 3BHE006412R0101 ABB PLC Controller Module
UFC760BE42 3BHE004573R0042 ABB interface board
UFC719AE01 3BHB003041R0001 3BHB000272R0001 ABB Controller module
UDD406A 3BHE041465P201 ABB Digital input module
UCD240A101 3BHE022287R0101 ABB Analog Output Modules
UCD224A103 3BHE023681R0103 ABB Processor module
UBC717BE101 3BHE021887R0101 ABB Control card module
UAC326AE HIEE401481R0001 ABB Main board drive board
UAA326A02 HIEE300024R2 ABB Main board drive board
5SHY3545L0009 3BHB013085R0001 ABB Silicon controlled motherboard
5SHX1445H0002 3BHL000387P0101 ABB Silicon controlled motherboard
UAD206A101 3BHE019958R0101 ABB Programmable logic Controller
3ASC25H203 DAPC100 ABB Main control board of pressure regulating device
VMIPMC-5565 VMIC Reflective Memory PMC Modules
T8311 ICS TRIPLEX Trusted TMR Expander Interface
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