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世上最完美双节棍--带横向旋转滚钢珠轴承钢制双节棍_双节棍_武术器械_武林商城
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世上最完美双节棍--带横向旋转滚钢珠轴承钢制双节棍
世上最完美双节棍--带横向旋转滚钢珠轴承钢制双节棍
商品货号: ECS000143
商品重量: 550.000千克
商品库存: 99 幅
上架时间: 2007-03-21
市场价格: ¥132元
本店售价: ¥110元
用户评价: comment rank 5
购买此商品时最多可使用: 22 积分
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带横向旋转滚钢珠轴承钢制双节棍介绍:


    长度28厘米,链长18厘米和13厘米两种规格。直径2.5厘米,壁厚2毫米,前端缩口是一体的,后端尾帽是开螺纹拧上的,绝不会脱落。钢制轴承,铁链,链子是焊死的,是目前市面上最粗的链子,重一斤二两。  
   钢棍链端的空心销叫弹簧销,是45号钢淬火做成的,很结实耐磨。一般的实心销钉都是铜、铝、铁等稍软的材料做成的,这样容易在里面膨胀销紧。弹簧销是靠它本身的弹力,空心的销子有条缝,把缝夹紧一点打进去,然后销子会弹开撑紧,形成铆固。空心的不容易弯,理论计算太复杂,但搞金属加工的都知道这个结论。淬火钢耐磨性也要比铜铁等强很多,所以综合考虑下才用了弹簧销而没有用铁铆钉。那个弹簧销强度足够,如果力量大到把弹簧销拉坏,那么链子早就承受不住了;如果弹簧销磨损,那么链子已经磨损更厉害了。因为弹簧销是淬火钢,链子是铁制,这个位置可以保修,坏了厂家负责维修。


最大的特点:
第一是带轴承
第二尾帽永不脱落
第三是链端没有难看的圆环
第四是尾帽起到配重的作用,不会象某些棍子那样链端重。
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