1.齿根处的加强保护
1. Enhanced protection at the tooth root
长臂挖掘机齿根安装板的加强非常有必要，如果在此处的加强不好，会导致磨损将剧烈，牙齿怎么也装不上去了。对于此处的加固可以采取两种方案，一种是贴加强筋，一种是包耐磨块。需要注意的是，贴加强筋的做法简便，经济，但是焊接时要注意不能与齿根的焊缝产生叠焊，这样会影响齿根焊接强度。
It is very necessary to strengthen the mounting plate of the tooth root of the long-arm excavator. If the reinforcement is not good here, the wear will be severe and the teeth will not be installed. Two schemes can be adopted for the reinforcement here, one is to stick the reinforcing rib, and the other is to wrap the wear-resistant block. It should be noted that the method of pasting stiffeners is simple and economical. However, it should be noted that there is no overlap welding with the weld of the tooth root during welding, which will affect the welding strength of the tooth root.
2.边板及侧边加强
2. Side plate and side reinforcement
边板的剧烈磨损会使挖斗的有效斗容减小，影响生产力。同时，边刀也起到利于切入物料，保护边板的效果，所以挖斗需安装边刀。长臂挖掘机由于侧边并不是高磨损区，故侧边的加强不用太坚固，以免影响挖斗的整体重量。
The severe wear of the side plate will reduce the effective bucket capacity of the bucket and affect the productivity. At the same time, the edge knife also plays a role in cutting materials and protecting the edge plate, so the bucket needs to be installed with the edge knife. Since the side of the long-arm excavator is not a high-wear area, the reinforcement of the side should not be too firm to avoid affecting the overall weight of the bucket.
3.底板加强
3. Bottom plate reinforcement
底板加强是非常有必要的。底板的加强筋要选择坚硬、耐磨的长型板材做原料，要保护挖斗的整体形状，以免影响切入角度，影响产能。加强筋的焊接要顺着原机筋板焊接的方向，在两块板上叠焊。
It is very necessary to strengthen the base plate. The reinforcing rib of the bottom plate shall be made of hard and wear-resistant long plate, and the overall shape of the bucket shall be protected to avoid affecting the cutting angle and productivity. The reinforcement shall be welded on two plates in the same direction as the original reinforcement plate.
4.挖斗内面的加强
4. Strengthening of the inner surface of the bucket
长臂挖掘机厂家的小编建议内面加强使用硬面堆焊，虽然价钱高，耗时长。但是它的耐磨性跟实效性是更强的，或者也可以选择贴部分加强筋，不宜过多。
Xiao Bian, the manufacturer of long-arm excavator, suggested to strengthen the use of hard surfacing on the inner surface, although the price is high and the time is long. However, its wear resistance and effectiveness are the strongest, or you can choose to attach some stiffeners, not too much.
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