{"id":359,"date":"2026-01-21T07:14:09","date_gmt":"2026-01-21T07:14:09","guid":{"rendered":"https:\/\/www.jccncmachining.com\/?post_type=material&p=359"},"modified":"2026-03-12T15:05:29","modified_gmt":"2026-03-12T07:05:29","slug":"zinc","status":"publish","type":"material","link":"https:\/\/www.jccncmachining.com\/pt\/materials\/zinc\/","title":{"rendered":"Zinc"},"content":{"rendered":"

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Available Zinc Grades<\/h3>\n\n\n\n\n\n\n\n\n
Grade<\/th>\nCommon Name<\/th>\nKey Characteristics<\/th>\nTypical Applications<\/th>\n<\/tr>\n<\/thead>\n
Zamak 3<\/strong><\/td>\nZn-4Al<\/td>\nThe industry standard. Excellent balance of physical and mechanical properties. High dimensional stability.<\/td>\nAutomotive components, household hardware, electrical switchgear.<\/td>\n<\/tr>\n
Zamak 5<\/strong><\/td>\nZn-4Al-1Cu<\/td>\nContains copper for higher tensile strength and hardness than Zamak 3. Slightly lower ductility.<\/td>\nAutomotive parts requiring higher strength, accessories, fittings.<\/td>\n<\/tr>\n
ZA-8<\/strong><\/td>\nZinc-Aluminum Alloy<\/td>\nHigher aluminum content. Can be gravity cast. Superior creep resistance and strength.<\/td>\nHydraulic components, decorative hardware.<\/td>\n<\/tr>\n
ZA-12<\/strong><\/td>\nBearing Alloy<\/td>\nExcellent bearing properties (good alternative to bronze). High hardness and strength.<\/td>\nBearings, bushings, wear plates.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Zinc Machining Capabilities<\/h3>\n\n\n\n\n\n\n\n\n
Capability<\/th>\nTechnical Description<\/th>\nJucheng Advantage<\/th>\n<\/tr>\n<\/thead>\n
Functional Prototyping<\/strong><\/td>\nCNC machining solid Zinc blocks to simulate die-cast parts (Zamak 3\/5) for fit and function testing.<\/td>\nAllows clients to validate designs and mechanical properties physically without paying for expensive die-casting molds.<\/td>\n<\/tr>\n
Secondary Operations<\/strong><\/td>\nPrecision post-machining of die-cast zinc parts, including facing, boring, and tapping precise threads.<\/td>\nOur automated setups ensure high repeatability for large batches of automotive housings.<\/td>\n<\/tr>\n
High-Speed Drilling\/Tapping<\/strong><\/td>\nZinc is easy to machine; we utilize high-speed spindles to drill and tap holes rapidly.<\/td>\nSignificantly reduces cycle times and costs for parts requiring multiple fastening points.<\/td>\n<\/tr>\n
Surface Finishing<\/strong><\/td>\nProviding Chromate Conversion, Zinc Plating, or Powder Coating services.<\/td>\nEnhances the natural corrosion resistance of Zinc and prepares it for harsh environments (Salt Spray Test compliant).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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Fabrication Guidelines for Zinc<\/h3>\n

Tooling:<\/strong>
\nZinc is non-abrasive and soft. Standard high-speed steel (HSS) or uncoated carbide tools work excellently. Sharp cutting edges are required to prevent burrs on exit.<\/p>\n

Workholding:<\/strong>
\nZinc is dense but can be brittle compared to aluminum. Care must be taken not to over-clamp thin-walled sections to avoid cracking or deformation. Soft jaws are recommended.<\/p>\n

Coolant:<\/strong>
\nWater-soluble coolant is recommended to keep the part cool and flush away chips. While Zinc can be machined dry, coolant prevents the material from smearing on the tool.<\/p>\n

Safety Note:<\/strong>
\nZinc dust can be flammable, though less so than Titanium\/Magnesium. Good housekeeping and chip management are standard protocols at Jucheng.<\/p>\n<\/div>\n

<\/p>\n

\n

Primary Application Industries<\/h3>\n

Automotive (IATF 16949)<\/strong>
\nKey Parts:<\/em> Door lock housings, mirror brackets, seat belt components.
\nWhy Zinc:<\/em> High strength, dimensional stability, and ability to cast complex net-shape parts that require minimal machining.<\/p>\n

Consumer Electronics<\/strong>
\nKey Parts:<\/em> Laptop hinges, connector shields, chassis frames.
\nWhy Zinc:<\/em> Excellent EMI\/RFI shielding properties and high-quality tactile feel (heavy\/premium) for user interfaces.<\/p>\n

Hardware & Construction<\/strong>
\nKey Parts:<\/em> Window handles, locks, bathroom fixtures.
\nWhy Zinc:<\/em> Easily plated (Chrome\/Nickel) for a decorative finish and durable enough for daily use.<\/p>\n

Industrial Components<\/strong>
\nKey Parts:<\/em> Gears, pulleys, motor housings.
\nWhy Zinc:<\/em> Self-lubricating properties (bearing bronze alternative) and vibration damping capabilities.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Available Zinc Grades Grade Common Name Key Characteristics Typical Applications Zamak 3 Zn-4Al The industry standard. Excellent balance of physical and mechanical properties. High dimensional stability. Automotive components, household hardware, electrical switchgear. Zamak 5 Zn-4Al-1Cu Contains copper for higher tensile strength and hardness than Zamak 3. Slightly lower ductility. Automotive parts requiring higher strength, accessories, […]<\/p>\n","protected":false},"featured_media":360,"template":"","meta":[],"material_type":[9],"material_attribute":[],"application_feature":[23],"machining_process":[25,26,28,29],"class_list":["post-359","material","type-material","status-publish","has-post-thumbnail","hentry","material_type-metal","application_feature-corrosion-resistant"],"_links":{"self":[{"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/material\/359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/material"}],"about":[{"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/types\/material"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/media\/360"}],"wp:attachment":[{"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/media?parent=359"}],"wp:term":[{"taxonomy":"material_type","embeddable":true,"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/material_type?post=359"},{"taxonomy":"material_attribute","embeddable":true,"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/material_attribute?post=359"},{"taxonomy":"application_feature","embeddable":true,"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/application_feature?post=359"},{"taxonomy":"machining_process","embeddable":true,"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/machining_process?post=359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}