{"id":4997,"date":"2023-02-15T13:17:29","date_gmt":"2023-02-15T13:17:29","guid":{"rendered":"https:\/\/www.jstconsultancy.cz\/?p=4997"},"modified":"2026-08-01T07:55:21","modified_gmt":"2026-08-01T07:55:21","slug":"enadca-207-2022-categorization-of-die-parts","status":"publish","type":"post","link":"https:\/\/intelligent-kalam.80-240-27-133.plesk.page\/en\/enadca-207-2022-categorization-of-die-parts\/","title":{"rendered":"Nadca 207\u20132022 \u2013 Categorization of die parts"},"content":{"rendered":"

 <\/p>\n

If we have already designed the parts of the die, the next logical step is to categorize them in terms of process steps during the manufacturing of the die, as well as traceability during its use. It’s a logical step, but it’s not new at all.<\/p>\n

Few people know that I started my career in 1979 as the head of the tool shop at Plastimat in Liberec, today one of the largest toolmakers in the CZ with a changed name to Magna Exteriors. Here I was in charge of the production of new tools as well as the storage and maintenance of existing tools. And even then, with the help of the Minsk 22 mainframe computer<\/strong> and Jarda Fry\u010d, now a renowned librarian from Liberec, we tried similar procedures on plastic moulds.<\/p>\n

So, what to imagine behind it? The answer can be found in the publication Nadca 402 \u2013 Product Specification Standards for Die Castings.<\/p>\n

\"\"<\/a>\"\"<\/a><\/p>\n

Fig. 1<\/u><\/em><\/strong> \u2013 Determining the functionality of individual parts of the casting<\/em><\/p>\n

Fig. 2<\/u><\/em><\/strong> \u2013 Example of coding die parts according to Nadca 402<\/em><\/p>\n

When designing the die, we split the individual surfaces of the casting in terms of functionality or cosmetic properties (Fig. No. 3), and the estimated or planned lifetime of the part (Fig. No. 4) are taken into account. The coding parameters are then introduced as a new field in the BOM list (Bill of Material), created for example in SolidWorks.<\/p>\n

The categorization of the functionality of the individual surfaces of the resulting casting is an internal matter of each foundry (Fig. 4), but it should be defined in such a way that it is possible to set damage limits for the quality of the casting, repair of the insert or for its replacement. However, an equally important factor will be the permitted steps for maintaining or improving the properties of the insert, e.g. the possibility of applying the ABP method (stress annealing + sand blasting + shot peening), nitriding, oxidation or recoating with thin PVD layers.<\/p>\n

\"\"<\/a>\"\"<\/a><\/p>\n

Fig. \u00a03 and \u00a04<\/u><\/em><\/strong> \u2013 Categorization of die parts according to Nadca, publication 402<\/em><\/p>\n

The result of that activity is then introduced as a standard field in the BOM list of the die, e.g. in SolidWorks (Fig. 5<\/strong>)<\/p>\n

\"\"<\/a><\/p>\n

Fig .5<\/u><\/em><\/strong> \u2013 An example of a classic BOM list created in SolidWorks<\/em><\/p>\n

Coding of die parts according to Nadca 402<\/strong> is two-level: according to surface functionality and according to expected lifetime. Unfortunately, for reasons unknown to me, Nadca 402<\/strong> does not take into account the existence of Nadca 207<\/strong>, where one more obligation is added, to specify die parts according to the type of material testing, i.e. Class 1<\/strong> and Class 2<\/strong>. This categorization is at least as important as the previous category, because it clearly determines the process steel purchasing and testing workflow.<\/p>\n

\"\"<\/a><\/p>\n

Fig. 6<\/u><\/em><\/strong> \u2013 Categorization of Heat Treatment Quality <\/em><\/p>\n

The classic BOM list of the die should then have this form according to Table 1<\/strong>. It contains all the necessary data for the purchase of steel and for its testing at the input, and will also serve as the basis for another table needed to monitor the die in operation in the foundry. However, data on the results of the testing will also be collected in this table, which we still have to hand over to the pressure foundry in the “Tool Book<\/strong>” of the die.<\/p>\n

\"\"<\/a><\/p>\n

Tab. 1<\/u><\/em><\/strong> \u2013 An example of a BOM table design for the production of a die casting die<\/em><\/p>\n

The result of this approach to the bill of materials will be a form where categorization codes will be assigned to each part. Each combination will then have its own workflow, ensuring full traceability from the purchase of material, through input testing, machining, heat treatment, testing after quenching and delivery of the die. It is therefore a complete “Tool Book<\/strong>\u201d of the die, which will then be followed by monitoring in the foundry.<\/p>\n

\"\"<\/a><\/p>\n

Fig. 7<\/em><\/strong> \u2013 Example of die parts categorization<\/em><\/p>\n

The foundry will then follow up the BOM list designed in this way with additional information from production. In the \u201cTool book<\/strong>\u201d, information is gradually added about the date of installation and date of removal of the die, the number of cast pieces, service interventions, the use of spare parts, the application of annealing to remove stress from thermal fatigue, costs, the degree of wear, and other data necessary for die parts \u00a0assessment forms.<\/p>\n

\"\"<\/a><\/p>\n

Tab. 2<\/u><\/em><\/strong> \u2013 Die Casting \u201cTool Book<\/strong>\u201d Design Example<\/em><\/p>\n

To evaluate individual types of defects and their extent, it is possible to create different defect maps, see example of classification of surface damage due to thermal fatigue from Uddeholm.<\/p>\n

\"\"<\/a><\/p>\n

Fig. 8<\/u><\/em><\/strong> \u2013 Surface classification map according to the number and density of cracks (Source Uddeholm) <\/em><\/p>\n

 <\/p>\n

February 15, 2023<\/p>\n

Ji\u0159\u00ed Stanislav<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

  If we have already designed the parts of the die, the next logical step is to categorize them in terms of process steps during the<\/p>\n","protected":false},"author":12,"featured_media":5021,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"image","meta":{"_acf_changed":false,"footnotes":""},"categories":[322],"tags":[],"class_list":["post-4997","post","type-post","status-publish","format-image","has-post-thumbnail","hentry","category-nadca-207-en","post_format-post-format-image"],"acf":[],"yoast_head":"\nNadca 207\u20132022 \u2013 Categorization of die parts - JST Consultancy<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nadca 207\u20132022 \u2013 Categorization of die parts - JST Consultancy\" \/>\n<meta property=\"og:description\" content=\"  If we have already designed the parts of the die, the next logical step is to categorize them in terms of process steps during the\" \/>\n<meta property=\"og:url\" content=\"https:\/\/intelligent-kalam.80-240-27-133.plesk.page\/en\/enadca-207-2022-categorization-of-die-parts\/\" \/>\n<meta property=\"og:site_name\" content=\"JST Consultancy\" \/>\n<meta property=\"article:published_time\" content=\"2023-02-15T13:17:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-01T07:55:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/intelligent-kalam.80-240-27-133.plesk.page\/wp-content\/uploads\/2023\/02\/h1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"591\" \/>\n\t<meta property=\"og:image:height\" content=\"231\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Ji\u0159\u00ed Stanislav\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ji\u0159\u00ed Stanislav\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minut\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/intelligent-kalam.80-240-27-133.plesk.page\/en\/enadca-207-2022-categorization-of-die-parts\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/intelligent-kalam.80-240-27-133.plesk.page\/en\/enadca-207-2022-categorization-of-die-parts\/\"},\"author\":{\"name\":\"Ji\u0159\u00ed Stanislav\",\"@id\":\"https:\/\/intelligent-kalam.80-240-27-133.plesk.page\/#\/schema\/person\/44ac286f0ce5c80735a10e7a7860e1da\"},\"headline\":\"Nadca 207\u20132022 \u2013 Categorization of die parts\",\"datePublished\":\"2023-02-15T13:17:29+00:00\",\"dateModified\":\"2026-08-01T07:55:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/intelligent-kalam.80-240-27-133.plesk.page\/en\/enadca-207-2022-categorization-of-die-parts\/\"},\"wordCount\":770,\"image\":{\"@id\":\"https:\/\/intelligent-kalam.80-240-27-133.plesk.page\/en\/enadca-207-2022-categorization-of-die-parts\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/intelligent-kalam.80-240-27-133.plesk.page\/wp-content\/uploads\/2023\/02\/h1.png\",\"articleSection\":[\"Nadca 207\"],\"inLanguage\":\"cs\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/intelligent-kalam.80-240-27-133.plesk.page\/en\/enadca-207-2022-categorization-of-die-parts\/\",\"url\":\"https:\/\/intelligent-kalam.80-240-27-133.plesk.page\/en\/enadca-207-2022-categorization-of-die-parts\/\",\"name\":\"Nadca 207\u20132022 \u2013 Categorization of die parts - 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