机械加工在从事各机件加工过程中，必须按本规程实施。 Mechanical processing must be carried out according to this regulation in the process of machining various parts. 四、实施步骤 Four. Implementation steps 4.1 凡从事各种机械的操作人员，必须经过安全技术培训，考试合格后，方可上岗作业。 4.1 all operators engaged in various kinds of machinery must undergo safety training, and after they pass the examination, they can go to work. 4.2 操作前 4.2 before operation 4.2.1 工作前按规定严格使用防护用品，扎好袖口，不准围围巾、戴手套，女工发辩应挽在帽子内。操作人员必须站在脚踏板上。 4.2.1 strictly use protective equipment according to the regulations before the work, bind the cuffs, do not wrap scarves and gloves. The operator must stand on the pedal. 4.2.2 应对各部位螺栓、行程限位，信号，安全防护（保险）装置及机械传动部分、电器部分，各润滑点进行严格检查，确定可靠后，方可启动。 4.2.2 should be strictly checked for all parts of the bolt, travel limit, signal, safety protection (insurance) device, mechanical transmission part, electrical part, and all the lubricating points. After the determination is reliable, it can be started. 4.2.3 各类机床照明应用安全电压、电压不得大于36伏。 4.2.3 all types of machine tool lighting applications safety voltage and voltage should not exceed 36 volts. 4.3 操作中 In the 4.3 operation 4.3.1 工、夹、刀具及工件必须装夹牢固。各类机床，开车后应先进行低速空转，一切正常后，方可正式作业。 4.3.1 the work, clip, cutter and workpiece must be firmly clamped. All kinds of machine tools should be carried out at low speed and idling after driving. 4.3.2 机床道轨面上、工作台上禁止放工具和其他东西。不准用手清除铁屑，应使用专门工具清扫。 4.3.2 tools and other tools are not allowed on the track and surface of the machine. No iron scrap should be removed by hand. Special tools should be used for cleaning. 4.3.3 机床开动前要观察周围动态，机床开动后，要站在安全位置上，以避开机床运动部位和铁屑飞溅。 4.3.3 the machine must observe the surrounding dynamic before starting the machine. After the machine is started, it must be on the safe position to avoid the movement parts of the machine and the spatter of iron filings. 4.3.4 各类机床运转中，不准调节变速机构或行程，不得用手触摸传动部分、运动中的工件、刀具等在加工中的工作表面，不准在运转中测量任何尺寸，禁止隔着机床传动部分传递或拿取工具等物品。 4.3.4 all kinds of machine tools are not allowed to adjust the transmission mechanism or travel, no hand touch the transmission parts, movement of the workpiece, tool and other working surface in the processing, no measurement of any size in the operation, the transmission part of the machine tool is prohibited to pass or take tools and other products. 4.3.5 发现有异常响动时，应立即停车检修，不得强行或带病运转，机床不准超负荷使用。