It is reported that Myanmar's rubber raw material export revenue exceeds 102 million US dollars, more than last year's 94 million US dollars. From the point of view of export earnings from April 1st to October 11th, the export volume of rubber raw materials has exceeded 40,000 tons. However, monsoonal rainfall this year has seriously affected rubber production.
Khine Myint, secretary of the Myanmar Rubber Producers Association, said that this year’s severe monsoon rains have delayed the rubber production period in many rubber parks.
Some exporters said that because of the low price of international glue, they actually earned less. Myanmar rubber is mainly exported to China and also exported to Singapore, Malaysia, Indonesia, Vietnam, South Korea, India and other countries via sea or land transport.
Stepping motor is an open loop control motor, which transforms electric pulse signal into angular displacement or linear displacement. It is the main execution element of modern digital program control system, and is widely used.. In the case of non overloaded, the motor speed and stop position depends only on the pulse frequency and pulse number, regardless of load changes, when the stepper driver receives a pulse signal, it drives stepper motor to set the direction of rotation of a fixed angle, called "step", it is the rotation of the fixed point of the operation step by step. Number of pulses can be controlled by controlling the angular displacement, so as to achieve the purpose of accurate positioning; at the same time by controlling the pulse frequency to control the motor rotation speed and acceleration, so as to achieve the purpose of speed.
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