Aviation maintenance professionals, share new news about different aircrafts with you every day!
Boeing and Airbus, this pair of happy friends, has never stopped, trying to prove to the world that I am the best at building airplanes. In particular, the competition between wide-body airliners represented by B787 and A350 is even more close-to-hand, and it is difficult to distinguish between superior and inferior. Today, after the editor digs deeply, I will take you to re-understand these two models, which one is the manufacturer of wide-body airliners? stronger.
Not convinced to argue
The four eyes on the left are 787, and the six eyes on the right are 350 Boeing is a new model launched on December 15, 2009. Seats are designed to accommodate 242 to 335 passengers. The Boeing 787 uses a large number of advanced composite materials to build the airframe structure, ultra-low fuel consumption, low pollution emissions, high efficiency and comfortable cabin environment, and has won wide recognition in the market. Its subversive composite material consumption and groundbreaking global collaboration, Make Airbus difficult to parry. The first Boeing 787 was delivered to All Nippon Airways on September 26, 2011. The development and production of the 787 involved extensive collaboration with numerous suppliers around the world. Final assembly takes place at Boeing's Everett plant in Everett, Washington, and Boeing's South Carolina plant in North Charleston, South Carolina. Originally scheduled to enter service in May 2008, the project has experienced numerous delays. The airliner's maiden flight took place on December 15, 2009, and flight tests were completed in mid-2011. Boeing reportedly spent $32 billion on the 787 program. On September 28, 2011, the first Boeing 787 was delivered to All Nippon Airways. As of September 20, 2017, Boeing 787 has received 1,278 orders from 69 customers, and 594 Boeing 787s have been delivered to 44 airlines. Aircraft, including 345 787-8s and 249 787-9s. Currently, monthly production of the 787 is 12, which will increase to 14 in 2020.
Subversion of tradition, composite materials are king
global supply, risk sharing
Airbus A350 is difficult to deal with:
In order to meet the challenge of 787, Airbus decided to launch A350, and made multiple revisions to increase the amount of composite materials to 52 %. Airbus hopes to compete with the 787 with composite materials, new high-efficiency engines, and ultra-long range. However, since the Airbus 350 was developed and launched later than the 787, the number of orders is currently at a disadvantage. However, some analysts pointed out that because the model is equipped with advanced engines and lower operating costs, the future Airbus 350 It is not impossible for the order to achieve a counterattack. Airbus spent eight years and some 11 billion euros ($14.7 billion) developing the A350. Since the Airbus A330 model is the largest wide-body airliner in the world, and the A350 inherits the versatility of the Airbus family, this means that the purchase of the A350 can greatly reduce the cost of training and maintenance for airlines and improve Operational efficiency. All A350 models use the same type rating in pilot training, which allows A330 pilots to obtain A350 flight qualifications in only 8 days of training, reducing training time by 65%. Since the Airbus A330 and Airbus A350 are highly complementary wide-body models, 86% of A350 customers are also A330 customers or operators. Therefore, from this perspective, Airbus A350 has better market prospect and market potential, and it is very likely to surpass Boeing 787 in the future.
Combat against composite materials
Whether it is Boeing or Airbus, a large number of advanced resin-based composite materials are used in the manufacture of wide-body passenger aircraft. The amount of composite materials used in the 787 is as high as 50%. In order to save face, Airbus increased the amount of composite materials used in the A350 to 52%. However, for the manufacture of the composite body structure, Boeing adopts a cylinder structure, and the entire section is manufactured, which is quite technically difficult; while Airbus uses a piece of the fuselage panel, only in the tail section with a large taper. The overall structure and technical level are slightly inferior.
first round duel: front fuselage
787 The front fuselage of
787 is a whole barrel section, supplied by Spirit Company.Large-scale composite material molds, using automatic wire laying technology, autoclave curing to achieve automatic manufacturing of the front fuselage.
41 section automatic wire laying
automatic drilling and riveting
the 500th delivery
assembling
very large composite material mold, very difficult
A 350 front fuselage, composite wall panel + metal wall panel, split structure.
horizontal automatic wire laying
gantry automatic wire laying
non-destructive testing
score: the design and manufacture of the core technology large-scale rotary mold, the integral molding technology of the hat-shaped stringer and the fuselage skin of the barrel section, Boeing wins. The second round of
: middle fuselage
787 The 43rd section of the middle fuselage is provided by Japan Kawasaki Heavy Industries , and the 44th and 46th sections are provided by Italian company Alenia, using automatic wire laying technology. The manufacture of
43 section, automatic wire laying technology, the following pictures are from Kawasaki Heavy Industries Factory in Japan, the autoclave is made by Kawasaki itself, Kawasaki's motorcycles are good, alas, not much to say......
Kawasaki Heavy Industries' own autoclave
Assembling
44 section automatic laying wire
44 section and 46 section
assembly line
A350 middle body, automatic laying wire, spi provided by rit company.
skin automatic wire laying
entering tank
assembling
body transferring to final assembly line
score: core technology of large rotary mold Design and manufacture, the integral molding technology of the hat-shaped stringer of the barrel section and the skin of the fuselage , Boeing wins.
The third round: the rear fuselage
787 The 47th and 48th sections of the rear fuselage are provided by Vought Company, the overall structure, automatic wire laying technology.
47 section automatic silk laying
48 section packaging
ultrasonic detection
ultrasonic detection
rear fuselage automatic silk laying, PAG
Rear fuselage assembly
Tail section wire laying
Score: core technology Design and manufacture of large-scale rotary mould, barrel section cap The integral molding technology of shaped long truss and fuselage skin, Boeing wins.
Round 4: Wings
787's wings use automatic tape laying technology. Forest-kine two-step automatic tape laying. Japan's Mitsubishi Heavy Industries provided the wings, and Fuji Heavy Industries provided the center wing.
automatic wing laying
central wing automatic laying
wing water cutting + CNC cutting
assembled wing
A350 wing, Using automatic tape laying technology, in 2015 began to switch to automatic wire laying technology.
Automatic laying of upper skin
Automatic laying of lower skin
Mold design and manufacture
Automatic laying of upper skin
Automatic laying of lower skin
Automatic laying of wing beams
composite girder mold
truss automation Forming and transshipment
automatic forming and transshipment of long stringers
central wing automatic tape laying
central wing siding
wing drilling
score: Boeing is not very transparent, bad reviews. The efficiency of wing wire laying is higher than that of tape laying, and the degree of automation of long stringers is higher, and Airbus wins.
Round 5: Parents of both sides stated
We are good
They won
Round 6: Audience judges vote
Buy both
Let’s go back and cook
Dominate. Airbus, a rising star, is courageous. Whether it is Boeing or Airbus, the strong manufacturing level is a few blocks away from us, so please work hard.
Source of this article: Advanced Aviation Manufacturing Technology Author: Zheng Guangqiang
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-