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Do you know the national standard for fiber optic fusing machine?

On December 4, 2013, the ministry officially to the 4G licenses issued by three carriers, means China formally entered the commercial 4G era, at the same time the domestic "broadband China" program is also energetically marketing practice, thanks to the good, the fiber optic cable market presents the blowout growth, splicing machine and optical fiber as fiber optic cable construction maintenance can not be replaced in the tool, This is undoubtedly driving the market demand for fiber fusion machine. However, there are many domestic splicing machine brands on the market, and the specifications used by each brand manufacturer are quite different, and the price of products of the same grade is far from the same... For a time on the market "chaos", leading to the domestic splicing machine market share is falling, so that the imported splicing machine brand occupied the market initiative. In such a severe situation, domestic splicing machine manufacturers and end users are eager to have a unified standard of fiber splicing machine specifications launched, in order to timely and effectively "rectify" the domestic splicing machine market. And this also for JILONG communications initiative draft "fiber fusion machine new National standard" foreshadowing.

Referring to the "fiber fusion splicer national standard provisions" have to go back to the 1990s.

At the beginning of the 1990s, the market of domestic optical fiber splicing machine was monopolized by foreign brands, and the price of splicing machine was more than 300,000 yuan. At that time, domestic splicing machine was almost "blank". It was not until 1993 that Nanjing JILONG Optical Communication Co., LTD. (hereinafter referred to as: JILONG Communication) predecessor Cologne Company launched the domestic optical fiber fusion machine KL-100 with independent intellectual property rights, which ended the monopoly of imported optical fiber fusion machine brands in the domestic market.

In 1996, JILONG Communication was established, which further opened the door of independent research and development of domestic splicing machine. At the end of 1997, in order to standardize the requirements, test methods, inspection rules of optical fiber splicing machine, put forward by the Ministry of Electronic Industry, the 41st Institute of the Ministry of Electronic Industry drafted the "GB/T 17570-1998 General Specification for optical fiber splicing Machine" (hereinafter referred to as: The old national standard of optical fiber splicing machine), the old national standard of optical fiber splicing machine was issued in November 1998, and began to implement in June 1999, which also pointed out the direction for the development of domestic splicing machine in the next period.

After the development of the 21st century, domestic splicing machine brand mushroomed, we not only began to be self-sufficient, but also began to go out of the overseas, especially after the 2008 Beijing Olympic Games, "China" shocked the world overnight, "Made in China" has become a beautiful name card, since the domestic splicing machine overseas orders doubled.

Time came to 2010, the annual sales volume of JILONG splicing machine exceeded 5000, not only that, JILONG continued to invest in product research and development, hand-held, mainline, mini-sized multi-series splicing machine began to market, JILONG communications vowed to match domestic splicing machine with imported brands; At that time, JILONG products were once on a par with Fujikura. In 2015, JILONG became the first listed enterprise in the field of splicing machine in China, and it has grown into the vane of the development of splicing machine in China. Development to this, 1998 drafted "fiber fusion machine old National standard" has been obviously not applicable to the present, and this happened at the beginning of the series of things.

As a guider in the industry, JILONG Communications took the lead in drafting a new specification for fiber optic splicing machine and invited the 41st Research Institute of China Electronics Technology Corporation (hereinafter referred to as: CETC 41, the only professional electronic measuring instrument research institute in China's defense science, technology and industry system. This cooperation can be described as a strong alliance.

Through the unremitting efforts of both parties, "GB/T 17570-2019 General Specification for Fiber Fusion Machine" (hereinafter referred to as: The new national standard for optical fiber fusion machine) was drafted and handed over to the State Administration for Market Regulation and Standardization Administration of China to be officially issued in August 2019, in order to replace the regulations of the old national standard GB/T 17570-1998. The new national standard for optical fiber fusion machine began to be implemented in March 2020. This also means the arrival of the "new era" of domestic fusion machine, is about to take the express train of the era of 5G.

Optical fiber splicing machine new GB first in the scope of more perfect, "this standard provides the optical fiber splicing machine terms and definitions, product classification, requirements, test methods, quality inspection rules and marks, packaging, transportation, storage requirements. This standard applies to fiber optic fusing splicer (hereinafter referred to as Fusing Splicer) performing quartz glass fiber fusing." The new GB fiber fusion machine in the normative reference document can be said to be a new upgrade.

The definition of terms such as "multi-mode fiber, standard single-mode fiber, dispersive displacement fiber, bending insensitive fiber, special fiber, ribbon fiber, return loss, tensile test, end face angle" has been perfected or supplemented in the new national standard of fiber fusion machine. The classification of fiber fusion machine in the new national standard is also more clear, divided into "ordinary fiber fusion machine, ribbon fiber fusion machine, special fiber fusion machine".

New GB in splicing machine function, performance, description and more perfect, the welding, heating, parameter Settings and other functions are defined, for the splicing quality, melt contact force, return loss, splicing heating time, optical fiber image magnification, electrode life and working cycle times, packaging, transport, power fitness "and other rules in more detail. The new national standard for splicing machine function, performance of the clear provisions, also means that the development of domestic splicing machine has a certain positive impact.

In the new GB, the test method, quality inspection rules, marking, packaging, transportation and storage are detailed specifications. For example, the requirements of the test equipment in the test method are very clear, as shown below:

For example, the common test methods for the loss of fusion quality include shear method and back-scatter method (OTDR). In case of any disagreement between the two test methods, the measurement result of the shear method shall prevail.

The quality inspection items in the new national standard of fiber splicing machine are more comprehensive and detailed, as shown in the figure below (only part of it):

As precision instruments, optical fiber splicing machine is easy to cause accidental damage, in the process of transportation, carrying the new national standard for these also did in the specification, such as "splicing machine product standards shall be prescribed in the applicable transport or transport requirement, in the process of transportation should be handled with great care, it is strictly prohibited rain, sunshine, and a throw, and avoid plays back and side." In order to fully protect the splicing machine and extend its battery life, the new GB also points out that "storage period of more than 6 months, from the box to take out the splicing machine, after the power review qualified into the packaging box to put back in the warehouse. When the battery is stored for a long time, it should be fully charged every six months." This series of regulations, not only for the splicing machine manufacturers, end users, but also for the development of the whole industry "light up" the road ahead.

So far, the new national standard for splicing machines for almost a year and a half time, work, it not only became the various brands of "code of conduct", but also for the development of domestic splicing machine is a great good, is greatly promoted the development of domestic weld technology, as well as domestic 4G, 5G network construction and made positive contributions to the development of the global optical communication industry. The cooperation between JILONG and CETC 41 is a win-win situation for both parties, which not only enables close communication and exchanges in product research and development, but also has far-reaching significance for the strategic development of each company.


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