The utility model discloses a double-twist spindle which is characterized in that a cradle (1) is made of synthetic resin and is particularly molded by the thermoplastic resin.
倍捻锭子的特征为其锭座(1)是用合成树脂制成的，特别是用热塑性树脂经模塑而制成。
Bearings used in Higher Precision or machine in Tool Spindle applications are normally fitted with either Phenolic Resin (suffix TPA) or machined Solid Brass cages (suffix m).
在更高的精度，或在机床主轴中的应用机使用的轴承通常采用要么酚醛树脂(后缀tpa)的，或加工固体黄铜保持架(后缀m)。
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