--- id: "forming-processes-en" title: "Molding & Die Casting | Injection, ADC/ZDC and MIM/PM | Zhongde Precision" description: "Injection molding, ADC and ZDC die casting, MIM and PM forming, with integrated mold development, process validation, CNC machining, finishing and assembly." source: "/en/forming-processes" language: "en" generated: true --- # Molding & Die Casting Injection Molding · ADC / ZDC Die Casting · MIM / PM Based on product geometry, material properties, annual demand and critical quality requirements, we provide forming solutions from mold development and process validation through stable mass production, with integrated CNC machining, finishing, surface treatment and assembly. - Integrated mold and process engineering - Post-molding precision machining - Surface finishing and assembly ## Three Forming Capabilities Injection molding, ADC / ZDC die casting or MIM / PM forming routes are selected according to product geometry, material behavior, annual demand and critical quality requirements, with integrated mold development, secondary machining and production delivery. ### 01. Injection Molding For plastic structural, functional, appearance and insert-molded components, covering mold development, trials, process settings and volume production. Production area: 1,008 m² INJECTION MOLDING - Injection molding machines: 6 - Yizumi electric machines: 3 - Six-axis robots: 2 - Production area: 1,008 m² - Gates and runners - Air traps and venting - Sink and warpage - Weld-line control - Ejection and release - Cycle stability ### 02. ADC / ZDC Die Casting Aluminum and zinc die casting with integrated support from mold trials through CNC machining, polishing and surface treatment. Production area: 608 m² ADC / ZDC DIE CASTING - Aluminum die-casting machines: 3 - Machine range: 160–280T - Zinc die-casting machines: 2 - Kawasaki polishing robot: 1 - Production area: 608 m² - Gates and runners - Vents and overflows - Air entrainment and porosity - Misruns and cold shuts - Shrinkage and hot spots - Secondary-machining allowance ### 03. MIM / PM Forming Manufacturing routes for small and complex metal parts where conventional machining is inefficient, integrating forming, debinding, sintering, dimensional compensation and secondary machining. MIM component volume production started in 2024 MIM / PM FORMING - MIM component production since 2024 - Metal injection molding - PM powder-pressing project review - Debinding, sintering and machining coordination - Sintering shrinkage compensation - Density consistency - Debinding and sintering deformation - Multi-cavity consistency - Complex thin-wall geometry - Secondary-machining datums ## From Engineering Review to Stable Production The forming route is selected according to product geometry, material, appearance, strength and annual demand. Mold trials, sample validation and pilot production then move the process from basic formability to stable volume production. ### 01. Drawing and Requirement Review Confirm 2D and 3D drawings, material grade, annual volume, appearance criteria, critical dimensions and testing requirements. - Output: requirement confirmation and risk list ### 02. Process and Mold Planning Evaluate injection molding, ADC/ZDC die casting or MIM/PM routes and define mold and secondary-machining requirements. - Output: forming route and mold plan ### 03. Initial Trial and Process Settings Conduct the initial forming trial and record temperature, pressure, speed, time and other critical process parameters. - Output: trial samples and initial parameter sheet ### 04. Sample Inspection and Correction Inspect appearance, critical dimensions and forming defects, then correct the mold, venting, settings and fitting conditions. - Output: inspection and correction records ### 05. Pilot Production and Confirmation Verify continuous production, lot consistency, cycle time and variation of critical dimensions. - Output: process window and pilot-run record ### 06. Stable Production and Lot Control Standardize production parameters, inspection frequency, lot traceability and abnormal-condition handling. - Output: production, inspection and traceability records ## Production Workshops and Process Integration Actual workshops demonstrate how forming equipment operates in production and how injection molding, die casting and MIM processes connect with automation, polishing, precision machining and surface treatment. ### 01. Injection Molding Workshop Molding machines, robots and conveying systems work together for automatic part removal, process transfer and continuous production, followed by blasting, grinding and appearance finishing. Injection molding → Automatic removal → Transfer → Finishing INJECTION MOLDING WORKSHOP - Automatic removal - Continuous molding - Process transfer - Finishing integration ### 02. ADC / ZDC Die Casting and Robotic Polishing After aluminum or zinc die casting, parts can proceed through trimming, robotic polishing, CNC precision machining and surface treatment without unnecessary supplier transfers. Die casting → Trimming → Robotic polishing → CNC → Surface treatment DIE CASTING & ROBOTIC POLISHING - ADC / ZDC casting - Automatic trimming - Robotic polishing - CNC machining ## Quality Control and Integrated Delivery Material verification, first-piece approval, in-process inspection, lot traceability and final inspection are planned around the risks of each forming process. Molded parts can then proceed through precision machining, finishing, surface treatment and assembly. Inspection items, sampling frequency and delivery records are defined according to drawings, CTQs and production conditions. ### 01. Injection Molding Quality Control Appearance, dimensions and process stability are checked through first-piece approval, parameter-window control and production monitoring. INJECTION MOLDING QUALITY - Flash, sink marks, weld lines and burns - Air traps, release and surface damage - Warpage, critical dimensions and fit - Process parameters, cycle and lot stability ### 02. ADC / ZDC Die-Casting Quality Casting condition and secondary-machining requirements are jointly controlled for internal defects, appearance, deformation and machining allowance. DIE CASTING QUALITY - Air entrainment, porosity and shrinkage - Misruns, flash and local sticking - Deformation, allowance and machining datums - Appearance and dimensions after finishing ### 03. MIM / PM Forming Quality Density, shrinkage, deformation and lot consistency are checked through debinding, sintering and dimensional-compensation stages. MIM / PM QUALITY - Density and material-lot consistency - Debinding, sintering and surface defects - Sintering shrinkage and compensation - Deformation and machining datums