The Kumsong Tractor Factory is speeding up the manufacture of tractors and farm machines. “Our goal is to make every product we manufacture the one that suits the country’s actual conditions and that is favoured and waited for by our agricultural workers,” said Kim Yong Nam, chief engineer of the factory. According to him, the factory is now channelling the primary effort to the production and processing of materials for tractors and the assembly of power transmission devices. A combustion pattern moulding technique has been introduced into casting, the first process in material production, to turn out castings with high dimensional accuracy and surface smoothness. The production of piping accounting for 40 percent of tractor parts production is carried on with automatic equipment. The flexible manufacturing system set up in the processing process enables the processing of all parts to be done according to the instructions from the control room. In particular, the main frames of tractor gearboxes are continuously being processed by the horizontal machining centre. According to operator Jo Myong Jin, the processing workshop upgraded the double shaft milling machine which is the largest facility in the workshop this year. It was not an easy job to technically upgrade the large machine, but the project was successfully carried out by introducing upgrading plans in succession, including the rational change of the position of a small motor. The workshop also repaired and readjusted the power transmission devices of different facilities and refashioned the gear overhead crane into a belt one to boost its utilization rate. As a result, the workshop achieved a result two times as much as the one produced in ordinary days in a fortnight. The gear production process also made parts of different processing facilities which had been imported in the past. The factory has so far produced and processed many materials and assembled power transmission devices needed for the serial production of tractors. It is also pressing on with the manufacture of small rice harvesters.

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The Kumsong Tractor Factory is speeding up the manufacture of tractors and farm machines. “Our goal is to make every product we manufacture the one that suits the country’s actual conditions and that is favoured and waited for by our agricultural workers,” said Kim Yong Nam, chief engineer of the factory. According to him, the factory is now channelling the primary effort to the production and processing of materials for tractors and the assembly of power transmission devices. A combustion pattern moulding technique has been introduced into casting, the first process in material production, to turn out castings with high dimensional accuracy and surface smoothness. The production of piping accounting for 40 percent of tractor parts production is carried on with automatic equipment. The flexible manufacturing system set up in the processing process enables the processing of all parts to be done according to the instructions from the control room. In particular, the main frames of tractor gearboxes are continuously being processed by the horizontal machining centre. According to operator Jo Myong Jin, the processing workshop upgraded the double shaft milling machine which is the largest facility in the workshop this year. It was not an easy job to technically upgrade the large machine, but the project was successfully carried out by introducing upgrading plans in succession, including the rational change of the position of a small motor. The workshop also repaired and readjusted the power transmission devices of different facilities and refashioned the gear overhead crane into a belt one to boost its utilization rate. As a result, the workshop achieved a result two times as much as the one produced in ordinary days in a fortnight. The gear production process also made parts of different processing facilities which had been imported in the past. The factory has so far produced and processed many materials and assembled power transmission devices needed for the serial production of tractors. It is also pressing on with the manufacture of small rice harvesters.