颚式破碎机机架制造工艺
客户在实际选购颚式移动破碎站时,价格是重要的考虑因素,但价格会各有不同。一方面是国内国外技术、品牌不一样决定的;另一方面可能是其主要核心:破碎机机架制造工艺的不同影响的。今天了解下颚式破碎机机架制造工艺的不同,对移动破碎站整车有多大影响?
一、整体机架
颚式移动破碎站因为工作环境恶劣、工况条件较差、负荷大等因素都对设备的制造生产提出了较高的要求。因此颚式破碎机的机架为了应对复杂的结构和过大的载荷会采用整体机架。其中,整体机架又分为整体铸钢合金机架和整体焊接机架。
机架占整机重量的比例较大,按照制造工艺分:铸铁机架为50%左右,焊接机架30%左右。所以,破碎机的设备价格在很大程度上会受到机架的影响,进而影响整台移动破碎站的价格。
二、组合机架
整体铸造机架虽然适应恶劣环境和复杂工况,但整体铸钢工艺要求较高,制作周期较长;整体焊接又一般难以把控焊接要求和机架的强度要求,故而技术要求较高。
组合机架采用了模块式、无焊接框架结构,由两块侧板通过精密加工的紧固螺栓与前、后墙板(铸钢件)牢固地栓接在一起,并通过前、后墙板侧壁上的嵌销承受破碎力,轴承座采用整体铸钢轴承座,也是用螺栓与左右侧板紧密连接,保证设备运行的可靠性和耐用性。
组合机架相较于整体机架还具有两个明显特点:
1.组合机架因为不需要焊接链接各部件,因此不用适应焊接所需的钢材,钢材整体材质的选择和厚度重量都会相应降低,所以整机重量会相应减轻,同样机架强度,耗材也会相应减少。
2.在维修保养方面。组合机架因为采用组合方式,且零部件较少,一旦出现问题,可以依据各个零部件损坏程度针对性的维修、更换。从而避免对整个机架更换维修的麻烦。使维修保养更为方便、快捷。同时也能节省不必要的维修成本支出。
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