显微组织分析表明，呋喃树脂砂生产摇枕、侧架所出现的裂纹按照产生原因分为缩裂纹和拉裂纹。
According to microstructure analysis, cracks in bolster and side frame produced by Furan self-cured sand can be classified into shrinkage hot cracks and stress hot cracks.
在热裂试验的基础上，得到了铸件热裂纹倾向的临界值，进而实现了摇枕、侧架的热裂纹预测。
The critical value of hot crack has been obtained according to the experiments on test casting, and it had been used on predicting the hot crack of bolster and side bearer.
使用表明，该抛丸机能满足摇枕、侧架表面清理的要求。
It has proved in the operation that the shot blast machine can satisfy the requirements of surface cleaning for bolsters and side frames.
主要用于机车的摇枕、侧架、车钩及钩尾框等车辆件，同时也可清理类似尺寸的铸件和批量小件。
It is mainly used for the fittings of vehicles such as the swing bolster, side frame, coupler and coupler yokes, also for cleaning the castings and workpieces with the similar size.
主要用于机车的摇枕、侧架、车钩及钩尾框等车辆件，同时也可清理类似尺寸的铸件和批量小件。
It is mainly used for the fittings of vehicles such as the swing bolster, side frame, coupler and coupler yokes, also for cleaning the castings and workpieces with the similar size.
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