喷枪常见故障的排除

                                                喷枪常见故障的排除(日本劲力喷枪)
第一类:W—71型喷枪常见故障的排除

故障名称                                                             成  因    及  对  策


喷嘴前端漏漆                                             
  (1)喷嘴与针阀的接触斜面有污物。应清洗喷嘴与针阀。
                                                                        (2)喷嘴与针阀的接触区有损伤。应更换喷嘴或针阀。
                                                                      (3)针阀垫圈过紧,阀芯动作受阻。应适当调节垫圈松紧度。
                                                                      (4)针阀弹簧损坏。应更换弹簧



未扣扳机喷嘴前端漏气                                    (1)空气阀垫圈过紧,动作受阻。应适当调节阀垫的松紧度。
                                                                        (2)空气阀密封部位有异物。应卸开空气阀,去除异物。
                                                                        (3)空气阀密封部位有损伤。应更换零件。
                                                                        (4)空气阀弹簧损坏。应更换弹簧
     


扣扳机后出气不畅                                             
(1)气路中有异物附着。应检查气路,并排除附着物。
                                                                          (2)空气调节阀未打开。应打开空气调节阀
   

针阀垫圈处漏漆                                                 
 (1)针阀垫圈太松。应拧紧垫圈。
                                                                            (2)针阀垫圈磨损。应更换垫圈
     

第二大类                                                        PQ—1吸上式喷枪常见故障的排除       


      故障名称                                                          成  因  及  对  策

漏气                                                                 
 (1)弹簧太松,气体从阀杆处泄漏。应将弹簧拉长或更换弹簧。
                                                                         (2)滚珠或顶针锈蚀,或有异物。应更换零件及清洁气路。
                                                                          (3)密封垫圈老化。应更换密封圈


 喷不出涂料                                                              (1)涂料粘度过高。应适当降低涂料粘度。
                                                                                (2)气压不足。应将气压调至0.3—0.5帆。
                                                                               (3)喷料嘴与喷气嘴位置不对,形不成所要求的压差。应将

                                                                                  喷气   嘴和喷料嘴调整到一个垂 直面上,再将喷气嘴的
                                                                                 孑L心调至略高于喷料嘴面,并调节喷气嘴与喷料嘴的相
                                                                                 对距离。
                                                                               (4)如果是喷涂中突然喷不出涂料,主要是由于涂料中的脏
                                                                                  物将喷料嘴堵塞。应将喷料嘴
                                                                                拧下,用喷气嘴逆对着喷料嘴吹去脏物,亦可用手指按

                                                                                  住喷料嘴和喷嘴的外缘,用压缩空气吹
                                                                                  去脏物,但需防止涂料从空气孔中被压出

 喷雾时断时续                                                              (1)气孑L被堵塞。应戳通气孔。
                                                                                  (2)涂料不足。应添加涂料。
                                                                                   (3)喷料嘴与喷气位置不当。应适当调整

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