平垫，主要是用铁板冲压出来的，形状一般是一个平垫圈，中间有一个孔。中国标准出版社出版的“标准紧固件质量大全”里有计算公式，公式是：千件重量m=0.00785×{3.1416/4×垫圈高度×〔外圆直径的平方－内孔直径的平方〕}
你会有激烈的竞争和再次您不想跳锅上:-) flat gasket » 平垫 these two kinds of books are at the same price » 正在翻译，请等待..
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... plain cover 素封面（只有书名、作者名的封面） plain cushion 平垫 plain cylindrical form 普通圆柱形 ...
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平垫圈 plain washer ; [机] flat washer ; Washer ; WASHER-PLAIN
平垫片 flat gasket ; flat washer ; ping gasket
环形平垫片 flat ring gasket
刀盘平垫片 cutter parallel
铁平垫圈 iron flat washer
橡胶平垫圈 Rubber Washer ; SILICON GASKET
销轴用平垫圈 Plain washers for clevis pins ; Plain washers for clevis pins--Product grade
组合件用平垫圈 Plain washer for assembly
平垫子 flat gasket
本公司主要生产铆钉、螺栓、螺母、平垫、弹垫、挡圈、销轴平键等系列配套产品。
Our company mainly produces series of accessory products as rivets, bolts, nuts, flat washers, spring hooks, stoppers and axis pin & flat keys etc. all the products strictly follow national standards.
综观国内外各类文献资料，很难查到平垫自紧密封结构应用于换热器管板密封的工程实例。
It is difficult to find out an engineering example that plain cushion self-tight seal applied to tubesheet seal in domestic and overseas references.
紫铜垫性能特点：金属平垫由整体金属经机加工制成，用于压力容器、塔、槽、阀盖等部位的密封。
Copper cushion performance characteristics: metal flat mat by the overall metal machining, the made for pressure vessels, tower, trough, the cover of the place such as the seal.
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