The O-il Logo Printing Works at May Day Stadium solves sci-tech problems by relying on its own technical force.
As it relied on imports of important parts and materials in the past, the printing works was suffering a lot of difficulties in production.
So, it decided to solve the problem by its own efforts.
At first, technicians made their own impression cylinder and had its trial test, but in vain.
The reason was the low quality of grindstone which ground the welded area of iron plate.
Therefore, technicians buckled down to research into grindstone, before making the cylinder. Amid the intensified studies of literature, they came to know that there were many sci-tech problems to be solved including ensuring the grain size of raw materials used in making grindstone, as well as the glue used in mixing raw materials.
They solved knotty problems one by one as they visited scientific research institutes and relevant units to learn what they had not known before.
After repeated failures, they finally developed grindstone by themselves to meet technical requirements.
And they also made anode electrodes used for copper plating of the cylinder, thus making it possible to produce the impression cylinder flawlessly.
Meanwhile, officials, technicians and workers at the works succeeded in a technical innovation plan to replace imported raw materials used in making adhesive for gluing plastic sheets with domestic solvent which was locally available in the country. And they also solved the problem of vehicle so as to make some printing inks. In addition, a process of recycling copper element in the waste from the grinding process has been established to lower production cost.
In the course of this, they received several national patents and certificates of invention.
“In the course of receiving the national patents and certificates of invention, we came to know well that we can create something from nothing when we are determined to do while believing in our own strength,” said Kim Jong Hun, section chief at the works.
Kim Hyok Myong
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