《模具表面处理》PPT课件.ppt

,抛光（Polish),SPI-Society of the Plastics Industry塑料工业协会,Diamond Mold Polishing&Finishing Specifications,火花纹(Thin Fire Texture),CHARMILL VDI Specification,火花纹规格和图纸表面粗糙度要求对照表,Ra-在取样长度内，轮廓偏距绝对值的算术平均值，单位:。,化学蚀纹（Texture),MT Specification,单位：mm,蚀纹处理和模具斜度的关系,蚀纹处理和模具斜度的关系,昵宏咬花規格表,模具脱脂,底片裁剪,咬花面脱脂,图形流程,现象,感光膜剥离,蚀刻,封贴,贴底片,曝光,感光膜涂布,干燥,加热,图形修正,喷砂,清洗,防锈,电镀(Plating),非电镀镍,氨基磺酸镍电镀,电镀硬铬,喷砂（Blasting）,Wet Blasting(Liquid Honing),The liquid honing or wet blasting process uses water to cushion the blast media and eliminates damage to the surface of the component,mold or tool.This process is used for precision surface finishing and allows us to control and regulate the flow and type of material used in the blasting slurry.It also allows us to control the velocity,pressure,location(areas can be masked)and other engineered elements to provide the optimum finish for your part,mold,die or tool.Wet Blasting ProcessWet blasting is used primarily,but not exclusively,as a surface preparation.This process deep cleans with no damage,impregnation,dust,warping or contamination to the surface.It also provides superior bonding,extended duty and even abrasion to the surface.Dry Blasting ProcessA dry blasting cabinet system uses compressed air and an abrasive media feeder to mix particles and discharges this media,with the use of a nozzle,at the part surface.Media is recycled from the system to a hopper for reuse.This process is used for more aggressive surface preparation.How Wet Blasting de-scaling.,We use the following Blast Media:Ceramic beads Glass beads Plastic Aluminum oxide Silicon carbide Carborundum Metal shot and steel grit Glass bead and ceramic bead media are used to clean,smooth,brighten,peen,and de-scale surfaces.Fine glass and ceramic media can smooth or de-burr parts.Aluminum oxide,crushed glass,and steel grit are used in more aggressive applications such as machined components and can remove heavy scale or rust.Wet blasting can also aid in lubricity and release,