方便，涂料输出压力较稳定，不足之处是清洗换色不便。气动双隔膜泵，是利用压缩空气作动力，通过换向机构使
fang bian tu liao shu chu ya li jiao wen ding bu zu zhi chu shi qing xi huan se bu bian qi dong shuang ge mo beng shi li yong ya suo kong qi zuo dong li tong guo huan xiang ji gou shi
的压力。压力桶有的还配置气动搅拌器，常用压力桶的容量为10l、20l、40l等。压力桶结构简单，维护
de ya li ya li tong you de hai pei zhi qi dong jiao ban qi chang yong ya li tong de rong liang wei 10l 20l 40l deng ya li tong jie gou jian dan wei hu
一般用不锈钢或碳钢制作，桶盖上设置调压阀、压力表及安全阀等附件，调节输入压缩空气的压力可达到输出涂料
yi ban yong bu xiu gang huo tan gang zhi zuo tong gai shang she zhi diao ya fa ya li biao ji an quan fa deng fu jian diao jie shu ru ya suo kong qi de ya li ke da dao shu chu tu liao
涂效率较高，涂膜质量好。压力式喷涂输漆装置分为两大类：压力桶和气动双隔膜泵。压力桶为圆柱形压力容器，
tu xiao lv jiao gao tu mo zhi liang hao ya li shi pen tu shu qi zhuang zhi fen wei liang da lei ya li tong he qi dong shuang ge mo beng ya li tong wei yuan zhu xing ya li rong qi
不附带涂料杯，喷枪重量轻并可任意位置和角度进行喷涂作。适用工件间隙式、连续喷涂或涂装流水线上使用，喷
bu fu dai tu liao bei pen qiang zhong liang qing bing ke ren yi wei zhi he jiao du jin hang pen tu zuo shi yong gong jian jian xi shi lian xu pen tu huo tu zhuang liu shui xian shang shi yong pen
及喷涂料固化速度快的双组分涂料。1.3.1.3 压力式压力式喷枪是通过压力将涂料输送到喷枪。喷枪自身
ji pen tu liao gu hua su du kuai de shuang zu fen tu liao 1.3.1.3 ya li shi ya li shi pen qiang shi tong guo ya li jiang tu liao shu song dao pen qiang pen qiang zi shen
枪的涂料杯一般容量较小，为400ml。重力式喷枪的换色、清洗方便，耗料较少，适合于换色频繁的喷色工艺
qiang de tu liao bei yi ban rong liang jiao xiao wei 400ml zhong li shi pen qiang de huan se qing xi fang bian hao liao jiao shao shi he yu huan se pin fan de pen se gong yi
侧边式。在喷涂施工中，中央式使喷枪倾斜位置受到限制；侧边式能以榆次吧不同的位置而涂料杯仍保持垂直。重力式喷
ce bian shi zai pen tu shi gong zhong zhong yang shi shi pen qiang qing xie wei zhi shou dao xian zhi ce bian shi neng yi yu ci ba bu tong de wei zhi er tu liao bei reng bao chi chui zhi zhong li shi pen
及补漆时使用，它的上部附带涂料杯，靠涂料的自重往下输至喷枪。按涂料杯相对喷枪轴线的位置，分为中央式和
ji bu qi shi shi yong ta de shang bu fu dai tu liao bei kao tu liao de zi zhong wang xia shu zhi pen qiang an tu liao bei xiang dui pen qiang zhou xian de wei zhi fen wei zhong yang shi he
ml，根据喷涂量的数量选之，喷枪接上压缩空气榆次吧就能进行喷涂。1.3.1.2 重力式重力式喷枪是小型工件
ml gen ju pen tu liang de shu liang xuan zhi pen qiang jie shang ya suo kong qi yu ci ba jiu neng jin hang pen tu 1.3.1.2 zhong li shi zhong li shi pen qiang shi xiao xing gong jian
流过，周围产生局部真空，将涂料杯内涂料吸入喷嘴并雾化成漆雾滴。涂料杯的容量通常为600ml-1000
liu guo zhou wei chan sheng ju bu zhen kong jiang tu liao bei nei tu liao xi ru pen zui bing wu hua cheng qi wu di tu liao bei de rong liang tong chang wei 600ml-1000
1.3.1.1 虹吸式虹吸式喷枪是广泛常用的空气喷枪。喷枪的下端部带有涂料杯，压缩空气从喷枪喷嘴高速
1.3.1.1 hong xi shi hong xi shi pen qiang shi guang fan chang yong de kong qi pen qiang pen qiang de xia duan bu dai you tu liao bei ya suo kong qi cong pen qiang pen zui gao su
品，如高级榆次吧轿车、高档家具等，均采用空气喷涂或空气静电喷涂。1.3 空气喷涂的分类1.3.1 供漆方式
pin ru gao ji yu ci ba jiao che gao dang jia ju deng jun cai yong kong qi pen tu huo kong qi jing dian pen tu 1.3 kong qi pen tu de fen lei 1.3.1 gong qi fang shi
，一般适用于装饰性低粘度涂料的喷涂。当今的涂装行业中，使用最多的是空气喷枪，尤其对涂膜质量要求高的产
yi ban shi yong yu zhuang shi xing di zhan du tu liao de pen tu dang jin de tu zhuang hang ye zhong shi yong zui duo de shi kong qi pen qiang you qi dui tu mo zhi liang yao qiu gao de chan
装尘埃、油水滤榆次吧除装置，洁净压缩空气，保证涂膜质量。空气喷涂的气源工作压力较低，对高粘度涂料的雾化较难
zhuang chen ai you shui lv yu ci ba chu zhuang zhi jie jing ya suo kong qi bao zheng tu mo zhi liang kong qi pen tu de qi yuan gong zuo ya li jiao di dui gao zhan du tu liao de wu hua jiao nan
的漆雾易反弹飞散，污染作，涂料利用率仅25%-35%。空气喷涂使涂料与压缩空气混合接触，对气源必须安
de qi wu yi fan dan fei san wu ran zuo tu liao li yong lv jin 25%-35% kong qi pen tu shi tu liao yu ya suo kong qi hun he jie chu dui qi yuan bi xu an
是结构简单、作方便、换色容易，能随被榆次吧涂工件的几何形状调节喷幅扇形面的大小，雾化效果好。但是，空气喷涂
shi jie gou jian dan zuo fang bian huan se rong yi neng sui bei yu ci ba tu gong jian de ji he xing zhuang diao jie pen fu shan xing mian de da xiao wu hua xiao guo hao dan shi kong qi pen tu
空间，将涂料雾化成细小的雾滴，涂复于被涂件的表面形成连续的涂膜。1.2 特点及应用空气喷涂的主要特点
kong jian jiang tu liao wu hua cheng xi xiao de wu di tu fu yu bei tu jian de biao mian xing cheng lian xu de tu mo 1.2 te dian ji ying yong kong qi pen tu de zhu yao te dian
pa压缩空气的工作压力，高流速地从喷枪的空气喷嘴流过，使榆次吧喷嘴周围形成局部真空，涂料被压缩空气吸入真空
pa ya suo kong qi de gong zuo ya li gao liu su di cong pen qiang de kong qi pen zui liu guo shi yu ci ba pen zui zhou wei xing cheng ju bu zhen kong tu liao bei ya suo kong qi xi ru zhen kong
空气喷涂和无气喷涂设备?/p>1 空气喷涂1.1 雾化原理空气喷涂一般以0.3mpa-0.6m
kong qi pen tu he wu qi pen tu she bei ?/p>1 kong qi pen tu 1.1 wu hua yuan li kong qi pen tu yi ban yi 0.3mpa-0.6m