The new machine tool has been assembled and debugged, and the factory director Ou Hantao is full of excitement and excitement, introducing Yang Tianfeng. Pen × fun × Pavilion www. ｂｉｑｕｇｅ。 ｉｎｆｏ

"These two German ones, as well as this Dutch one, are precision machine tools, and they are the best. It's much more advanced than the original two. ”

Yes, these three are also the most expensive, the latest, of course, higher than the old machines of the original Yang's gun factory.

Yang Tianfeng nodded, feeling that it was worth the money, he could buy such a good machine, and the real money spent would not make him so painful.

"With high-carbon steel and tungsten steel, the tool problem of machine tools can also be solved in the future." Ou Hantao continued, "According to the plan, we will arrange the production and manufacture of a batch of bicycle lathes, support small private workshops in the form of sales or leases, and subcontract more rough processing. ”

In 1797, the British mechanical inventor Maudsley created a modern lathe with a lead screw to drive a tool holder, and in 1800 he introduced an exchange gear that could change the feed rate and the pitch of the thread being machined. In 1817, another Englishman, Roberts, adopted a four-stage pulley and a back-wheel mechanism to change the spindle speed. In order to improve the degree of mechanization and automation, some inventors invented turret lathes, return wheel lathes, single-shaft automatic lathes and so on in later years.

Although the pedal lathe is relatively primitive, it cannot be compared with the various high-efficiency automatic lathes and specialized lathes that are used in modern large-scale factories to drive motors. But for the base areas, and even the whole of China, it is suitable for small private workshops that lack electricity.

"Bicycle lathes should also be gradually improved, and gradually increase the variety to improve their functions and efficiency." Yang Tianfeng smiled bitterly and said: "In terms of productivity, we will definitely not be able to compare with Japan's large enterprises, and if we want to meet the needs of the military industry, we can only give full play to our human advantages." ”

"If the whole country can do the same as us, there are thousands of small workshops, and they may not be able to catch up with small Japan in terms of output." Ou Hantao was a little unconvinced, and he was a little frustrated after speaking, this is just talking, the government definitely does not have the ability and vision to implement it like this.

Yang Tianfeng sighed, according to the attitude of the state government towards private industry, it is true that only the Yongcheng base can do it.

Watching, walking, and explaining, Yang Tianfeng came to Ou Hantao's office, sat down and chatted for a few words, and then turned to the topic.

"The gun steel has been basically qualified, and in addition to continuing to produce and manufacture the current varieties of weapons and ammunition, you still have new tasks to complete." Yang Tianfeng took out a few drawings and said solemnly: "This is a work to be kept absolutely confidential, and it is still handed over to the technical team to complete." The parts are manufactured in separate workshops, and the most reliable workers are selected for assembly. First make a sample, pass the inspection, and then select personnel to build a production line according to the situation. ”

New weapons are first handed over to the technical team to manufacture samples or a small number of products, conduct tests, improve, record data, and plan future production processes and production processes, which does not necessarily immediately manufacture and equip troops in large quantities, but only reduces the time and pressure to suddenly manufacture them in the future. To put it simply, this is an R&D department that turns drawings into physical objects for later use.

In adopting this method, the technical team is required to produce not only the weapons that Yang Tianfeng has now taken out, but also the M1939 37-mm anti-aircraft gun, which was widely used by the Soviet Union during World War II, a longer-range rocket imitating the principle of steel fist firing, and a 12.7-mm heavy machine gun.

The Soviet M1939 anti-aircraft gun was copied from the Bofors M34, but the manufacturing process of the parts was much rougher, and the improvised gun carriage chassis and sights were used instead, which should be familiar to those who have watched the Korean War movie. The actual combat showed that the M1939 anti-aircraft gun, which was poorly worked, was extremely suitable for the national conditions of the Soviet Union at that time, and its "cutting corners" greatly reduced the manufacturing cost, which was very conducive to rapid mass production in wartime.

Again, for the current arsenal, "shoddy" weapons are more suitable for its technological level and production capacity. Yang Tianfeng also sent the drawings to the rear, hoping that they could be successfully copied and enhance the air defense capability of the rear.

As a light anti-aircraft gun, the M1939's lightweight and flexible characteristics are valued by Yang Tianfeng. Not only can it be used for air defense, but if it is combined with special shells such as armor-piercing shells, it can pose a threat to the devil's tanks and armored vehicles at a longer distance.

The crude rockets can make up for the shortcomings of the flying thunder cannon in terms of range, with high power, high safety, and accuracy, of course, they cannot strike accurately, but they can be slightly compensated by the power of dozens of kilograms of explosives.

Ou Hantao saw that Yang Tianfeng was serious and knew that this matter was important, so he hurriedly took the drawings with Li Jianye, the deputy factory director, and read them roughly.

The MG42, the most outstanding machine gun of World War II, also known as the "Hitler Chainsaw" by Allied soldiers, represented an important breakthrough in firearms production technology. The American GIs, who were invincible and domineering everywhere, were depressed, unmotivated, and demoralized, and regarded it as an "infantry's nightmare." Critics of light weapons, on the other hand, use three superlative adjective phrases: "the shortest time, the lowest cost, but the best weapon".

When the MG42 was first born and equipped with troops, it seemed to Western spies lurking in Europe to be a crude weapon, a patchwork of pieces of iron and a pipe.

Snowflakes flew to Washington and London, and the content was the same: Germany was no longer good, they were desperately short of raw materials, and even the machine guns at the heart of their tactics were made with such rudimentary and crude manufacturing techniques.

However, when American and British gunsmiths learned of this situation, they were shocked. They were well aware that the Germans, with their stamping technology, were far ahead of them in terms of machine guns. In the actual combat later, this was also well proved.

In practice, the MG42 produced by the metal stamping process not only saves material and man-hours, but is also more compact. It uses very little material and can be manufactured by a simple assembly line.

Throughout World War II, about one million MG42s (some say 700,000) were produced, which is a staggering number. You must know that the production volume of German submachine guns in World War II was only 1.2 million units, and such a high production volume is jaw-dropping. With such a high-performance weapon and so easy to make, the word perfect is not overstated in its case.

"See? metal stamping process, which will be an inevitable trend in the production of weapons. Yang Tianfeng briefly introduced the key points, "In order to cooperate with this weapon and equipment troops, you also have to speed up the progress of imitation shell rolling mills with the ironworks to increase the output of ammunition." This machine gun fights - the cost of bullets is absolutely staggering. ”

Now the shell rolling machine of the arsenal is also from the Yang's gun factory, not to mention the production and manufacturing capacity, the key is the shortage and scarcity of materials, copper materials, which also restricts the production of ammunition in the rear.

China lacks copper and relies on a large number of imports, which is a hurdle that cannot be overcome, but it is not an unsolvable difficulty for Yang Tianfeng.

Of course, Ou Hantao and Li Jianye knew about this difficulty, but they also knew that the ironworks were developing copper-clad steel, and when they linked them, they understood Yang Tianfeng's true intentions.

If copper-clad steel can be used to manufacture bullets and shells, theoretically speaking, it will save at least 80 percent of the copper material. The current ammunition production will not only be reloaded and re-rolled shells, but will be remelted copper shells and remade copper-clad steel shells, which will suddenly increase the utilization rate of materials by five or six times.

The production of a weapon and its use is a rather complex process. Taking the MG42 general-purpose machine gun as an example, Yang Tianfeng could have come up with drawings a long time ago, but when the gun steel did not meet the standard, when the material and production capacity of ammunition did not make a breakthrough, and when other conditions were not met, what was the use of producing and manufacturing?

Judging from the current situation, including the Kuomintang × Army, all anti-Japanese armed forces use rifles and ammunition is not abundant, so how can we talk about automatic firearms that consume amazing ammunition? Without bullets, what kind of high-end play is not a burning stick?

Besides, the Japanese devils, don't they have the ability to develop automatic weapons? Of course, it is not only the lack of resources, but also the difference in operational concepts that make rifles equipped.

The MG42 general-purpose machine gun uses Mauser cartridges, which are the same 7.92x57 mm specification as the medium rifle. In other words, the machine gun can be used when it is built, but the ammunition is tight.

The imitation shell rolling mill is also accumulating experience in preparation for the future self-made gun shell rolling machine of different specifications. Yang Tianfeng thought carefully, planned clearly, and walked forward step by step.

As for the ammunition supply method, Yang Tianfeng decided to temporarily adopt the 75-round drum type. Imitation of the state-owned 356 factory in Kunming, which can be easily opened and quickly reloaded, skilled people can load bullets in a few seconds. As for the advantages and disadvantages of the bullet chain and the drum, of course Yang Tianfeng knows it, and the temporary use of the drum is also to save ammunition and adapt to the realistic war environment.

According to the operating regulations of the scythe, at most one drum is played, and the machine gun must move its position to prevent the devil's artillery fire from destroying it. In this case, the use of drums is much more mobile than the chains.

"Air-cooled, lightweight, small in size, but more complex than water-cooled." Ou Hantao looked at the drawings and said his thoughts.

"Oh, look at this, it's a quick barrel change to keep the shot going." Li Jianye pointed and said: "When the heavy machine gun is used, there is also a special heavy barrel. ”

Yang Tianfeng didn't interject, and waited for the two of them to see the drawings almost before he spoke: "According to the current technical level of the arsenal, there should be no problem in manufacturing a general-purpose machine gun. The key is to explore and study the easiest manufacturing method, that is, to fully master the stamping technology, rather than relying on complex processes such as milling and cutting of machine tools. ”

Ou Hantao thought for a while, set his eyes on Li Jianye, and the two nodded in unison.

"Although there are difficulties, we strive to overcome them." Ou Hantao made a guarantee, "Machine tool processing is time-consuming and laborious, if you can overcome the stamping technology, many weapons can be used in the production of weapons in the future, which is faster and more convenient." ”

"With high-carbon steel and tungsten steel, the mold is basically no problem. I think other difficulties can be solved. Li Jianye nodded in agreement, "General Yang will also try his best to help, won't he?" ”

Yang Tianfeng nodded and said, "The hydraulic press is being manufactured, and with the assistance of several experts from the big rear, I think this will be completed soon." By the way, you should also send personnel to observe and learn, so that you can imitate it together with the technicians of the ironworks in the future. To expand the scale of production, it is far from enough to have only one. ”

"I'll go myself." Ou Hantao is a mechanical, professional is more appropriate, please be indispensable.

"Then I will stay in the factory, while supervising the production, and at the same time start to work out the production process of the general-purpose machine gun with the technicians, and start trial production." Li Jianye immediately took on all the work of the arsenal.

Ou Hantao glanced at the old partner's crotch, and the two showed a knowing and trusting smile.

…………… (To be continued.) )