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在机械制造行业中,液性塑料夹具已广泛应用于车、铣、磨、镗、钻、钳、齿轮加工和测量等方面。液性塑料夹具具有一系列优点:定心夹紧时能消除夹具定位元件与工件定位基准之间的间隙,可获得较高的定心精度和位置要求(同轴度、垂直度、对称度和跳动等);定位夹紧元件弹性变形均匀,接触面积大,使定心夹紧可靠;传递夹紧压力均匀适度,可实现多位和多件夹紧;夹紧机构简单,成本低。要充分发挥上述优点,液性塑料在夹具中作为传递压力的元件,它必须满足以下要求: (1)应具有一定的流动性,易于把液性塑料浇注到夹具腔室内,受压后如同液体那样,能把压力均匀地传递到夹具的夹紧元件上、且压力损耗较小。
In the machinery manufacturing industry, liquid plastic fixtures have been widely used in vehicles, milling, grinding, boring, drilling, pliers, gear processing and measurement. Liquid plastic clamps have a number of advantages: Centering clamps eliminate the gap between the fixture positioning element and the workpiece positioning datum, resulting in higher centering and positioning requirements (concentricity, squareness, symmetry and Jitter, etc.); positioning clamping element elastic deformation uniform, large contact area, so that the centering and clamping reliable; transmission clamping pressure is moderate and moderate, enabling multiple and multiple clamping; clamping mechanism is simple, low cost. To give full play to the above advantages, liquid plastic in the fixture as a component of the transmission of pressure, it must meet the following requirements: (1) should have a certain mobility, easy to liquid plastic poured into the fixture chamber, as pressure after the liquid That way, the pressure can be evenly transmitted to the clamp clamping element, and the pressure loss is smaller.