<\/p>\n
Key Specifications<\/span><\/p>\n<\/div>\n <\/p>\n <\/p>\n Masking Requirements:<\/strong> Material Removal:<\/strong> Part Geometry:<\/strong> Surface Hardness:<\/strong> <\/p>\n Medical Devices<\/strong> Consumer Electronics<\/strong> Automotive<\/strong> Bonding Prep<\/strong> Sandblasting (often referred to as Bead Blasting when using glass beads) is a surface finishing process where abrasive media is propelled at high velocity against a part’s surface. At Jucheng Precision, this is one of our most popular post-processing steps. It effectively removes CNC machine tool marks, burrs, and surface impurities, creating a uniform, non-directional matte texture.<\/p>\n We operate both manual cabinets for delicate prototypes and automated tumble-blasting systems for high-volume production. Whether you need a satin finish for cosmetic appeal or a rough etched surface to prepare parts for painting or bonding, our range of media (Glass, Aluminum Oxide, Ceramic) ensures the perfect surface profile for your specific application.<\/p>","protected":false},"featured_media":393,"template":"","process_category":[38],"class_list":["post-392","process","type-process","status-publish","has-post-thumbnail","hentry","process_category-surface-finishes"],"_links":{"self":[{"href":"https:\/\/www.jccncmachining.com\/zh_hk\/wp-json\/wp\/v2\/process\/392","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jccncmachining.com\/zh_hk\/wp-json\/wp\/v2\/process"}],"about":[{"href":"https:\/\/www.jccncmachining.com\/zh_hk\/wp-json\/wp\/v2\/types\/process"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jccncmachining.com\/zh_hk\/wp-json\/wp\/v2\/media\/393"}],"wp:attachment":[{"href":"https:\/\/www.jccncmachining.com\/zh_hk\/wp-json\/wp\/v2\/media?parent=392"}],"wp:term":[{"taxonomy":"process_category","embeddable":true,"href":"https:\/\/www.jccncmachining.com\/zh_hk\/wp-json\/wp\/v2\/process_category?post=392"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\n\n
\n \nSpecification<\/th>\n Technical Range<\/th>\n Note<\/th>\n<\/tr>\n<\/thead>\n \n Max Part Size<\/strong><\/td>\n 1200 mm x 800 mm x 800 mm<\/td>\n Cabinet internal dimensions<\/td>\n<\/tr>\n \n Media Types<\/strong><\/td>\n Glass Beads, Aluminum Oxide, Ceramic<\/td>\n Affects roughness and brightness<\/td>\n<\/tr>\n \n Grit Size (Mesh)<\/strong><\/td>\n #80 (Coarse) to #220 (Fine)<\/td>\n #120 is standard for cosmetic matte<\/td>\n<\/tr>\n \n Surface Effect<\/strong><\/td>\n Matte, Satin, Etched<\/td>\n Non-reflective finish<\/td>\n<\/tr>\n \n Dimensional Change<\/strong><\/td>\n -0.005mm to -0.02mm<\/td>\n Removes minimal material<\/td>\n<\/tr>\n \n Compatible Materials<\/strong><\/td>\n Aluminum, Steel, Stainless, Titanium, Plastics<\/td>\n Softer plastics require lower pressure<\/td>\n<\/tr>\n \n Standard Lead Time<\/strong><\/td>\n 1 – 2 Days<\/td>\n Very fast process<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n Blasting Media Types<\/h3>\n
\n\n
\n \nMedia Type<\/th>\n Description<\/th>\n Key Benefits & Applications<\/th>\n<\/tr>\n<\/thead>\n \n Glass Bead Blasting<\/strong><\/td>\n Spherical glass beads are used. The impact creates a dimpled surface (“peening”) rather than cutting the metal.<\/td>\n Benefit:<\/strong> Creates a bright, smooth, satin finish. Does not remove much material.
\nApp:<\/strong> Preparation for Anodizing, cosmetic electronic parts.<\/td>\n<\/tr>\n\n Aluminum Oxide Blasting<\/strong><\/td>\n Angular, sharp grit. It cuts into the surface, creating a rougher, darker matte finish.<\/td>\n Benefit:<\/strong> Aggressive cleaning and etching. Increases surface area for bonding.
\nApp:<\/strong> Pre-treatment for Powder Coating or Painting, rust removal.<\/td>\n<\/tr>\n\n Plastic Media Blasting<\/strong><\/td>\n Soft plastic particles used for delicate stripping or cleaning without damaging the substrate.<\/td>\n Benefit:<\/strong> Extremely gentle. Won’t erode sharp edges or threads.
\nApp:<\/strong> Cleaning molds, stripping paint from fiberglass or soft metals.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\nDesign Guidelines for Sandblasting<\/h3>\n
\nBlasting is abrasive. Critical features like threaded holes, bearing bores, or sealing surfaces must be masked (plugged) to prevent dimensional change or loss of tolerance. Tip:<\/strong> Clearly indicate “Mask” zones on your 2D drawings.<\/p>\n
\nWhile minimal, aggressive blasting (Al Oxide) can remove 0.01-0.02mm of surface material. Glass beads typically displace material rather than remove it, but can still affect ultra-tight fits (e.g., H7 tolerance holes).<\/p>\n
\nBlasting is a “line of sight” process. Deep holes or internal channels cannot be blasted effectively. The media will not reach deep recesses, leaving them with the original machined finish.<\/p>\n
\nBlasting softer materials (like plastics or copper) requires lower pressure to avoid embedding the media into the surface, which creates a gritty feel.<\/p>\n<\/div>\nIndustry Applications<\/h3>\n
\nUsed on surgical instruments to create a non-reflective matte finish that reduces glare under bright operating room lights.<\/p>\n
\nThe standard pre-treatment for Mac-style aluminum finishes. Blasting removes tool marks before Anodizing for a uniform cosmetic look.<\/p>\n
\nUsed for cleaning die-cast engine parts or preparing suspension components for heavy-duty powder coating.<\/p>\n
\nCreating a rough surface profile on metal parts to maximize the adhesion strength of glues, epoxies, or rubber overmolding.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"