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September 4 What is the role of optical splitter? Sidst udgivet den 04-09-2017

With the optical fiber communication investment direction by the communications backbone, metropolitan area network, local area network, private network to FTTP, FTTH direction.FTTH core optical device - optical splitter market spring also will come, the market demand Expansion, domestic and foreign optical device manufacturers unanimously optimistic about this market. There are two types of optical splitter to meet the needs of the spectrum: one is the traditional optical passive device manufacturers use the traditional pull cone coupler process to produce the fused tap fiber splitter (Fused Fiber Splitter), a Based on optical integration technology to produce planar optical waveguide splitter (PLC Splitter), the two devices have their own advantages, users can use the occasion and the different needs of the rational use of these two different types of Spectral devices, the following two devices for a brief introduction for reference.

 

Fused Fiber Splitter Fused Fiber Splitter

 

Melt pull cone technology is two or more fibers bundled together, and then in the pull cone machine melt stretching, and real-time monitoring of the spectral ratio changes, the splitting ratio reaches the end of the melt after stretching, one end of a fiber The other cut off) as the input, the other end for multiple output. The current mature pull cone process can only pull 1 × 4 the following. 1 × 4 or more devices, with a number of 1 × 2 connected together. And then packaged as a whole in the splitter box.

 

The main advantages of this device are (1) pull cone coupler has more than 20 years of history and experience, many of the equipment and process just follow it, the development of only a few hundredths of PLC or even a few hundredths 2) Raw materials are available only in quartz substrates, fiber optics, heat shrink tubing, stainless steel tubing and less glue, for a total of no more than one dollar, while machines and instruments cost less for depreciation, 1 x 2,1 x 4 Low-cost channel splitters are low cost. (3) spectral ratio can be monitored in real time according to need, you can create unequal splitters.

 

The main shortcomings are (1) loss of light wavelength sensitivity, generally based on wavelength selection devices, which triple play process is a fatal flaw, because the three-in-one transmission of optical signals are 1310nm, 1490nm, 1550nm and other Wavelength signal.

September 3 Hollow section aluminium extrusions profiles machining Sidst udgivet den 03-09-2017

Hollow section aluminium extrusions profiles machining

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Product name Hollow section aluminium extrusions profiles machining
Surface treatment Mill finish
Material 6060, 6005&6061, 6063-T5 T6
Techniques Extruded, precise cut, drill and thread
Package EP film individually wrapped then carton package
Application Industrial & Consumer; Electrical bus conductors; Residential and Commercial Building & Construction;  Commercial & Mass Transportation, Automotive, Marine; Truck trailers and equipment
Certificate ISO, SGS, RoHS&BV
Advantages Standout extruding strength( reach 20,000 tons annually) Rich machining experience, superior accuracy and tolerance,
Can customized manufacturing? Yes, OEM and ODM will be warmly welcomed

 

 

Features:

Jiayun Aluminium continues its tradition of leadership in a full range of

extruded aluminum profiles for the residential and commercial building

industry, industrial, mechanical, medical, automotive and equipment. Complementing our advanced production facilities, we provide

complete sales support:

 

Engineering expertise to assure the right application, best design and correct fit

Advanced facilities for painting and anodizing.

Complete fabricating services from precision cutting to semi-finished and fully finished parts and assemblies.

Order coordination to assure on-time delivery of the exact quantities required including sequenced deliveries

 

August 29 aluminum extrusion As curator of the Sam Wilhite Transportation Sidst udgivet den 29-08-2017

Of course, he's happy to open by appointment other days of the week."The trees are my babies," smiled Craig, explaining how he used copper and lichen to craft hundreds of miniature trees filling the massive display that sends trains on four railway lines humming through the small-scale Mississippi countryside -- past depots, pastures and cityscapes that represent West Point, Columbus and Starkville. Waverley Plantation is also "seen" from the rail cars. aluminum extrusion As curator of the Sam Wilhite Transportation Museum on West Point's Depot Drive, he is not only conductor of the largest working stationary train of its scale in North Mississippi, he got to build much of it.As Gray talked of vintage photographs on the walls and glass cases filled with memorabilia, it became obvious the railroad is in his blood. He certainly never envisioned he would invest about 30,000 hours in it. "Bob" Gray of Columbus, who followed several generations of his family in becoming a railroad man. It wasn't long before he realized that much of the job, if it were to be completed, would fall to him. Visitors are tempted to approach her and ask for a ticket on the next train.Starkville is marked, in part, by the MSU football stadium on the backdrop. He used to watch the rumbling night trains, sparks flying from their stacks. It was the vision of the late Wilhite, a West Point native who became president and chairman of the Columbus & Greenville Railroad in 1981. Railways changed America, and the transportation museum hopes to share part of that history.

There is no admission charged, but donations are accepted.The transportation story continues to evolve, but a trip to the Wilhite museum can illuminate where we've been and how far we've come.. There's his rendition of West Point's 1872 Henley House, as well as the Swift building. "There's been a lot of hands though in this, a lot of hands," he credited. One of the figures honors Fannie Emilie Johann, who worked for the Illinois Central for 42 years, walking to and from work every day. Pens filled with cattle represent Prairie Livestock Inc.m. to 5 p. Columbus is still home to the Columbus and Greenville Railway's venerable roundhouse. An airport and planes signify the Golden Triangle Regional Airport. An ingenious backdrop, painted by Erin Gavin and Cindy Davis of West Point, depicts planes flying above Clay County's Payne Field, the historic World War I training facility, now vanished from the landscape.Craig, who played with trains as a boy but never worked on the railroad, is rather modest about this small world he's helped create.Walking through the section of the museum set up as a train station office, he pointed out interesting displays, including mannequins in period aluminum profile dress. 

What people won't realize is that the clothesline took Craig two hours to construct.When switched on, rail cars trundle by diminutive structures, most of which Craig painstakingly made "from scratch," using paper, wood and plastic. For Terry Craig, though, it's a weekly joy."At first I thought the Boy Scouts might take it on as a project, or that architecture students at MSU might," he said. He co-authored, with Theresa Peay, a book titled "Depots Along the C&G Railway.

From the narrow trails of Native Americans to the modern highway system of today, the museum provides a glimpse of the vision and progress of our forefathers during a 200-year period. He would later credit them with inspiring iconic songs, like his "Smokestack Lightnin'.The terrain includes almost any tableau engineers of old might have seen in the busy days of rail transport -- automobiles idling at intersections, houses under construction, even a housewife hanging out her wash."But it's fun," said the resourceful curator, who still hopes to add more buildings to the display.