Move to a hardened steel tool\u00a0once demand is proven and volumes justify the investment.<\/li>\n<\/ol>\nEven so, low-volume production can justify a tool. When a part needs production resin, certification or tight repeatability, a simple aluminum tool can be the smarter first step even at modest quantities.<\/p>\n
\u0427\u0430\u0441\u0442\u043e \u0437\u0430\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0435 \u0432\u043e\u043f\u0440\u043e\u0441\u044b<\/h2>\nHow many parts can one silicone mold make?<\/h3>\n
Industry quotes range from about 10 to 30 castings per mold. The count depends on part geometry, sharp details that tear the silicone, and the resin, since some grades attack silicone faster. Once a mold degrades, a fresh one is poured from the same master, which adds cost in steps.<\/p>\n
Is vacuum casting cheaper than injection molding?<\/h3>\n
For small quantities, yes, because a rubber tool costs a fraction of a machined one. As quantity grows, the higher cost per casting and repeated mold replacement add up, and injection molding becomes cheaper. It depends on the part. Compare real quotes with the break-even formula.<\/p>\n
How long does vacuum casting take compared to injection molding?<\/h3>\n
Vacuum cast parts can ship within days once the master is approved, because the rubber tooling is poured and cured quickly. Injection molding needs a machined tool first, which takes weeks to build, sample and approve. After that, molding produces parts far faster than casting.<\/p>\n
Can vacuum cast parts be sold to customers?<\/h3>\n
Yes, for low quantities where the PU resin meets the product’s needs, such as pilot runs, market tests or specialist equipment. Check certification first. Flammability or food-contact approvals tied to a specific thermoplastic grade will not carry over to a cast polyurethane substitute, so regulated products usually need molded parts.<\/p>\n
Are vacuum cast parts as strong as injection molded parts?<\/h3>\n
Usually not quite. PU resins imitate thermoplastics but do not match every property, particularly heat resistance, chemical resistance and long-term creep. For fit, appearance and many functional tests they are close enough. For load, heat or chemical testing, confirm results on parts molded in the production resin.<\/p>\n
Vacuum Casting vs Injection Molding: Making the Call<\/h2>\n
Treat vacuum casting vs injection molding as a sequence, not a rivalry, with a bridge tool often sitting between them. Cast while the design moves, calculate the break-even with real quotes, and switch to a tool once the design is frozen and the volume is proven. Elite Mold Tech offers \u043b\u0438\u0442\u044c\u0435 \u0443\u0440\u0435\u0442\u0430\u043d\u0430 \u0438 \u0441\u0438\u043b\u0438\u043a\u043e\u043d\u0430<\/a> \u00a0for early builds, \u043b\u0438\u0442\u044c\u0435 \u043f\u043b\u0430\u0441\u0442\u043c\u0430\u0441\u0441 \u043f\u043e\u0434 \u0434\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c<\/a> \u00a0for production, and a full range of rapid prototyping services<\/a> \u00a0in between. Send a part file to Elite Mold Tech<\/a> \u00a0for a quote on both routes.<\/p>","protected":false},"excerpt":{"rendered":"Vacuum casting is cheaper for the first few dozen parts, because a silicone mold costs a fraction of a machined tool. Injection molding wins beyond that, since each molded part costs far less. The break-even point in vacuum casting vs injection molding depends on size, complexity and resin. Calculate it per part. How Each Process […]<\/p>\n","protected":false},"author":8,"featured_media":14742,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[60,227],"tags":[],"class_list":["post-14743","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-plastic-injection-mold","category-prototyping"],"acf":[],"_links":{"self":[{"href":"https:\/\/elitemoldtech.com\/ru\/wp-json\/wp\/v2\/posts\/14743","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/elitemoldtech.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/elitemoldtech.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/elitemoldtech.com\/ru\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/elitemoldtech.com\/ru\/wp-json\/wp\/v2\/comments?post=14743"}],"version-history":[{"count":1,"href":"https:\/\/elitemoldtech.com\/ru\/wp-json\/wp\/v2\/posts\/14743\/revisions"}],"predecessor-version":[{"id":14766,"href":"https:\/\/elitemoldtech.com\/ru\/wp-json\/wp\/v2\/posts\/14743\/revisions\/14766"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/elitemoldtech.com\/ru\/wp-json\/wp\/v2\/media\/14742"}],"wp:attachment":[{"href":"https:\/\/elitemoldtech.com\/ru\/wp-json\/wp\/v2\/media?parent=14743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/elitemoldtech.com\/ru\/wp-json\/wp\/v2\/categories?post=14743"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/elitemoldtech.com\/ru\/wp-json\/wp\/v2\/tags?post=14743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}