戴纳派克摊铺机F2500C支重轮
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(Company:individual)
Consumer protection:
Genuine guarantee
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Distribution Service: Delivery within 24 hours after placing an order. The goods are distributed by the Construction Machinery House.
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知识分享:
问:国内支重轮产品还存在哪些缺点?
答:1.钢材标号很多未达标,热处理工艺未能很好发挥。
2.市场恶性竞争,产品几个重要结构发生偷工减料 如轮体圆径减小、支轴变细、铜套长度缩短等。
轮体圆径的减小 变成轮子线速度加快,轴套承受的摩擦越多。支轴变细道理也是一样,同样承受撞击的力度也会不够,照成轴变形或者断掉。 铜套起到摩擦作用,铜层必须经过滚扎后才不易脱落,正常得0.35mm以上铜层才达标,减少铜套长度支重轮的意义也就失去了作用,减少长度等同于减少受力面积。
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Commodity number | 20166616711294 |
Commodity brand | 戴纳派克 |
Inventory quantity | 1000 |
weight | 0g |
Unit of measurement | piece |
Quality guarantee period | Genuine guarantee |