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内孔键槽加工,多采用拉、插、刨床加工。对于大中型企业,加工不成问题,但对于小企业,特别是广大的乡镇企业和零星机械维修就较为困难。为了适应单件和小批量生产的需要,以及方便设备维修加工,国营咸阳纺织机械厂技工学校研制出一种手动式小型内孔键槽插床。其特点是结构简单,体积小,不用动力能源,灵活机动,价格便宜。可加工键宽为3～10mm的标准平键槽(长度在100mm以内)。
Keyhole processing, the use of more pull, plug, planer processing. For large and medium-sized enterprises, processing is not a problem, but for small businesses, especially the vast number of township enterprises and sporadic mechanical maintenance is more difficult. In order to meet the needs of single and small batch production, as well as the convenience of equipment maintenance and processing, state-owned Xianyang Textile Machinery Factory Technical School developed a manual type small hole spline slot machine. It is characterized by simple structure, small size, no power source, flexible, cheap. Machinable key width 3 ~ 10mm standard flat keyway (length of 100mm or less).