| 摘要 |
In a cylindrical grinding machine, a lateral surrounding cover is mounted on a bed and surrounds and covers lateral surfaces of a machining area in which a work support drive device, a grinding wheel and a bearing unit therefor are arranged and a slide area in which a base portion of a wheel head and a slide mechanism for the wheel head are arranged. A top open/close cover is further provided on the top portion of the lateral surrounding cover and is movable between a first position to open the upsides of the machining area and the slide area and a second position to cover the upsides of the machining area and the slide area. Thus, only by moving the top open/close cover to the first position, it becomes possible for an operator to look over the whole part of the machining area and the slide area. Since plural components of the grinding machine can be checked simultaneously with the top open/close cover opened, the time taken for maintenance or service work on the grinding machine can be shortened.
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