the belt wheel is set in the fan impeller shaft with bottom end extending in the fan impeller inlet, which contains grading cage. The invention can precede fine grinding and grading simultaneously on the same machine, which improves the grinding efficiency and reduces the manufacturing cost.
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The invention is mainly applicable in automatic flow of the punch machines, which saves manpower and reduces the manufacturing cost.
本发明主要用于冲压机床之间 的自动流转，从而节省了人力，降低了生产成本。
Compared with the well known manufacturing method of a pixel structure, the invention can simplify processing steps and reduces the manufacturing cost of photomask.
本发明相比于公知的像素结构制作方法，可以简化工艺步骤并减少光掩模的制作成本。
The integral control frequency conversion motor of the utility model reduces the manufacturing cost and improves the conversion application rate of the frequency conversion technique.
本实用新型集成控制变频电机降低 了生产成本，提高了变频技术的转化应用率。
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