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在机械加工过程中,工件的压紧一般采用压板和垫铁来实现,其压紧高度要选择不同高低的垫块进行调整,由于辅助时间很长,使用时很不方便。最近上海人民机器厂制造了0～55mm、0～80mm、0～100mm三种自调式压板,已在组合夹具上使用,效果较为显著;上海专用机械厂也采用类似结构,制成了铣床上的自调式压板,使用结果良好。这种自调式压板也适用在立车、铣床、牛头刨床、龙门刨床和龙门铣床等机床上使用。其结构可参见图1(在下页)。
In the machining process, the workpiece compression generally use pressure plate and horn to achieve, the compression height to choose different height of the pad to adjust, due to the auxiliary time is very long, very inconvenient to use. Recently, the People’s Machinery Factory in Shanghai made 0-55mm, 0-80mm, 0-100mm three self-adjusting platen, the combination of the fixture has been used, the effect is more significant; Shanghai Machinery Plant also used a similar structure, made of the milling machine Self-adjustable pressure plate, the use of good results. This self-adjusting platen is also suitable for vertical lathe, milling machine, shaper, planer and gantry milling machine and other machine tools. Its structure can be seen in Figure 1 (on the next page).