在纺丝过程中，要严格控制煤沥青熔体的粘度、纺丝温度、压力、卷绕速度等主要参数。
The main parameters of viscosity, spinning temperature, pressure and winding velocity for coal tar pitch fluid should be rigidly controlled during spinning.
由于两种金属的膨胀率不同，当温度变化时，恒温制弹簧将卷绕或松开。
Because of differences in the expansion rates of the two metals, the thermostatic spring winds up or unwinds with changing temperature.
讨论了纺丝温度、冷却成形条件、纺丝速度、卷绕牵伸定型温度等对产品质量及生产状况的影响。
Effect of spinning temperature, cooling shaping condition, spinning speed, winding, drafting and setting temperature on product quality and the production condition are discussed.
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