{"id":48539,"date":"2025-07-11T13:02:50","date_gmt":"2025-07-11T13:02:50","guid":{"rendered":"https:\/\/chru.com.tw\/mu-ju-kai-fa-chang-jian-wen-ti-jie-xi-shou-ming-bao-yang-yu\/"},"modified":"2025-08-29T04:52:57","modified_gmt":"2025-08-29T04:52:57","slug":"mu-ju-kai-fa-chang-jian-wen-ti-jie-xi-shou-ming-bao-yang-yu","status":"publish","type":"post","link":"https:\/\/chru.com.tw\/en\/mu-ju-kai-fa-chang-jian-wen-ti-jie-xi-shou-ming-bao-yang-yu\/","title":{"rendered":"Bite-marking technique"},"content":{"rendered":"<p>1\ufe0f\u20e3 Purpose of Texturing<\/p>\n<ul>\n<li>Enhance the visual texture of plastic parts<\/li>\n<li>Create product diversity and design appeal<\/li>\n<\/ul>\n<p>2\ufe0f\u20e3 What is Texturing?<\/p>\n<ul>\n<li>A surface treatment method for plastic molds, including:<\/li>\n<li>Sandblasting: Fine, fast, inexpensive, but low durability<\/li>\n<li>Pearskin: Moderate texture, hides mold lines, medium durability<\/li>\n<li>Leather grain: Durable, excellent effect, high cost, difficult to repair<\/li>\n<li>Special textures (wood grain, hairline, etc.): Limited to flat surfaces, non-repairable<\/li>\n<\/ul>\n<p>3\ufe0f\u20e3 Comparison of Texturing Methods<br \/>\n4\ufe0f\u20e3 Pre-Texturing Inspection Points<\/p>\n<ul>\n<li>Sufficient mold draft angle (minimum 2\u00b0\u20135\u00b0 depending on depth)<\/li>\n<li>Mold material consistency and hardness<\/li>\n<li>Surface presence of EDM layers or weld marks<\/li>\n<li>Forming material type (e.g., ABS\/PC requires adequate draft angle)<\/li>\n<\/ul>\n<p>5\ufe0f\u20e3 Mold Manufacturing Precautions<\/p>\n<ul>\n<li>Avoid sulfur-containing steel<\/li>\n<li>Mandatory annealing and de-nitriding after welding<\/li>\n<li>EDM layers must be thoroughly polished before embossing<\/li>\n<li>SUS molds (e.g., STAVAX) require heat treatment before machining<\/li>\n<\/ul>\n<p>6\ufe0f\u20e3 Surface Roughness Testing (HOMMEL T1000)<br \/>\n7\ufe0f\u20e3 Demolding Recommendations and Plastic Compatibility<\/p>\n<ul>\n<li>Reserve demolding angle \u2265 2.5\u00b0 (approx. 3.5\u00b0 for ABS, PC)<\/li>\n<li>Consider plastic flowability and demolding difficulty for depth and pattern density<\/li>\n<li>Recommended precision tolerance: \u00b10.0025mm (measured value)<\/li>\n<\/ul>\n<p>8\ufe0f\u20e3 Conclusion and Satin Finish Recommendations<\/p>\n<ul>\n<li>Key to successful satin finishing: uniform consistency treatment<\/li>\n<li>All satin finish designs must align with mold design and material selection<\/li>\n<li>Scientific management and test data are indispensable<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<table style=\"width: 44.2641%; height: 120px;\">\n<tbody>\n<tr style=\"height: 24px;\">\n<td width=\"144\" style=\"height: 24px;\">Item<\/td>\n<td width=\"144\" style=\"height: 24px;\">Sandblasting<\/td>\n<td width=\"144\" style=\"height: 24px;\">Pearskin Finish<\/td>\n<td width=\"144\" style=\"height: 24px;\">Leather Grain<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td width=\"144\" style=\"height: 24px;\">Processing Time<\/td>\n<td width=\"144\" style=\"height: 24px;\"><span>1~3 days<\/span><\/td>\n<td width=\"144\" style=\"height: 24px;\"><span>1~4 days<\/span><\/td>\n<td width=\"144\" style=\"height: 24px;\"><span>4~7 days<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td width=\"144\" style=\"height: 24px;\">Durable Shot Count<\/td>\n<td width=\"144\" style=\"height: 24px;\"><span>5k~100k<\/span><\/td>\n<td width=\"144\" style=\"height: 24px;\"><span>100k~200k<\/span><\/td>\n<td width=\"144\" style=\"height: 24px;\"><span>100k~500k<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td width=\"144\" style=\"height: 24px;\">Advantages<\/td>\n<td width=\"144\" style=\"height: 24px;\">Fast, inexpensive, repairable<\/td>\n<td width=\"144\" style=\"height: 24px;\">Even coverage, hides wiring<\/td>\n<td width=\"144\" style=\"height: 24px;\">Extremely durable, resistant to damage<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td width=\"144\" style=\"height: 24px;\">Disadvantages<\/td>\n<td width=\"144\" style=\"height: 24px;\">Short lifespan<\/td>\n<td width=\"144\" style=\"height: 24px;\">Deep narrow molds prone to unevenness<\/td>\n<td width=\"144\" style=\"height: 24px;\">High cost, difficult to repair<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span> <\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"144\">Surface Texture<\/td>\n<td width=\"144\"><span>Ra (\u03bcm)<\/span><\/td>\n<td width=\"144\"><span>Rz (\u03bcm)<\/span><\/td>\n<td width=\"144\"><span>Rm (\u03bcm)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"144\">Sandblasting<\/td>\n<td width=\"144\"><span>4.53<\/span><\/td>\n<td width=\"144\"><span>26.92<\/span><\/td>\n<td width=\"144\"><span>32.16<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"144\">Pearskin Finish<\/td>\n<td width=\"144\"><span>12.18<\/span><\/td>\n<td width=\"144\"><span>58.84<\/span><\/td>\n<td width=\"144\"><span>64.88<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"144\">Skin Texture<\/td>\n<td width=\"144\"><span>9.81<\/span><\/td>\n<td width=\"144\"><span>56.24<\/span><\/td>\n<td width=\"144\"><span>64.32<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"144\">Photography<\/td>\n<td width=\"144\"><span>23.79<\/span><\/td>\n<td width=\"144\"><span>91.16<\/span><\/td>\n<td width=\"144\"><span>92.64<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>1\ufe0f\u20e3 Purpose of Texturing Enhance the visual texture of plastic parts Create product diversity and design appeal 2\ufe0f\u20e3 What is&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77],"tags":[],"class_list":["post-48539","post","type-post","status-publish","format-standard","hentry","category-plastic-encyclopedia"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Mold texturing improves the look and feel of plastic parts, hides molding marks and adds design variety. 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