Overview
A secondary demolding device is a specialized mechanical component used in injection molding, die casting, and other manufacturing processes. It operates after the primary demolding stage to further separate intricate or delicate parts from the mold cavity without causing damage. Secondary demolding devices are critical for producing high-precision components with undercuts, thin walls, or complex geometries. They are often integrated into automated production lines to improve efficiency and consistency.
Structure and Working Principle
The device typically consists of ejector pins, sliders, hydraulic or pneumatic actuators, and alignment mechanisms. It works in tandem with the primary ejection system but applies controlled force at specific angles or stages to release the part. For example, in multi-cavity molds, the secondary demolding device may sequentially activate to avoid uneven stress distribution. Advanced versions incorporate sensors to adjust ejection force dynamically, minimizing part deformation.
Key Features
Precision alignment is a hallmark of high-quality secondary demolding devices, ensuring consistent part release. Many models offer modular designs, allowing customization for different mold configurations. Durability is another critical feature, as the device must withstand repeated cycles without wear. Corrosion-resistant coatings or materials like hardened steel are commonly used to extend service life.
Application Areas
Secondary demolding devices are widely used in automotive, electronics, medical device, and consumer goods manufacturing. They are indispensable for producing items like connectors, lens housings, and multi-component assemblies. In the automotive sector, these devices help mold intricate interior trims or under-the-hood components. Electronics manufacturers rely on them for delicate plastic or metal parts in devices.
Maintenance and Precautions
Regular maintenance includes lubricating moving parts, inspecting ejector pins for wear, and verifying alignment with the mold. Misalignment can cause part defects or damage the mold. Operators should also monitor actuator pressure settings to prevent excessive force. Compatibility with the mold material (e.g., avoiding steel-on-steel friction) is essential to reduce wear.
B2B Procurement Guide
When sourcing secondary demolding devices, prioritize suppliers with experience in your industry’s mold designs. Request case studies or references to verify performance. Customization options, lead times, and after-sales support (e.g., spare parts availability) are key considerations. For reference, standard devices range from $500–$5,000, while bespoke solutions may cost more.
Related Manufacturers
- 主营：切削液集中供液设备、废液再生设备、低温蒸发设备、脱模剂回收装置设备、乳化液净化、液槽清渣换液小车、切削液浓度配比、切削液净化设备、液压油过滤机、乳化油真空滤油机
- 主营：模具块、模组件、锁模块、HASCO模具二次顶出、锁模扣、销衬套、安全带、连接轴、透气塞、行位夹、菱形销、珠衬套、保持架、圆形锁、基准球、空气销、高轴套、钢珠套、液压阀、柱塞套、拔插销、磁齿轮、止水栓、排气塞、固定器、止推垫
- 主营：模具滑块、配件锁模、模具配件、二次脱模、模具导向套、塑胶五金模具、定制模具弹簧、塑胶模具弹簧、配件气动顶针、矩形压缩弹簧、配件定位螺丝
- 主营：锁模扣、机嘴模具、psl限位夹、出机构二、dme日期章、齿斜顶双、模具托针、扣机锁模、模具加热、模具顶针、模具顶锁、塑胶模具、管透视阀、芯日期章、模具司筒、pw弹弓顶针、模具日期章、模具碰壁针、普通直螺纹、接头模具运、喷管冷却管、边锁、伸缩柯、透气钢
- 主营：脱模剂回收、净化过滤
- 主营：万能试验机、土壤密度测试、抗压测试设备、砼手动压入仪装置、粗粒土试验检测仪器、测试仪、试验机、试验箱、切割机、试验仪、土壤检测仪器、混凝土检测仪器、土工布检测仪器、沥青混合料检测仪器、电工套管实验仪器、水泥砂浆检测仪器、陶瓷检测设备、压力机、管材检测设备、防水卷材检测设备、无损检测设备、工程测绘设备、安全检测设备、粉体粉末试验检测仪器、石油沥青检测仪器
- 主营：混凝土仪器设备、防水卷材仪器设备、涂料仪器设备、手动脱模器、沥青仪器设备、岩石仪器设备、管材仪器设备、集料仪器设备、保温材料仪器设备、砖瓦仪器设备、钢筋仪器设备、人造板仪器设备、石膏仪器设备、砂浆仪器设备、密封胶仪器设备、土工仪器设备、水泥仪器设备、试验夹具、交通安全仪器设备
- 主营：一体化污水处理设备、焚烧炉、气浮机、脱模剂污水、污水处理设备、斜管沉淀池、斜管沉淀器、溶气气浮机、生活污水处理设、屠宰污水处理设备、食品厂污水处理设备、化工污水处理设备、曝气生物滤池、转盘过滤器、多介质过滤器、垃圾焚烧炉、生活垃圾焚烧炉、医院污水处理设备、生活污水处理设备、高密度沉淀池
- 主营：冰淇淋生产线、果酒生产线、果醋生产线、调配罐、发酵罐、乳化罐、反应釜、混料罐、提取罐、浓缩锅
- 主营：搅拌机、抗折夹具、锚杆拉拔仪、抗冲击试验装置、钻孔取芯机、拉拔试验仪、无线测温仪、水泥球磨机、冻融试验机、抗折试验机、压力试验机、试验检测设备、环刚度试验机、角强度试验机、表面振动压实仪、钢筋弯曲试验机、落锤冲击试验机
- 主营：逆反射标线测量仪、逆反射标志测量仪、突起路标测量仪、模板脱模、标线测厚仪、附着力测试仪、全自动附着力检测仪、拉拔仪、锚杆拉力计、锚杆拉拔仪、多功能强度检测仪、碳纤维粘结强度检测仪、粘结强度检测仪、单砖原位单剪仪、原位单剪仪、砂浆测强仪、砂浆测强标定仪、原位压力机、扁顶仪、推出仪、砂浆点荷仪、贯入式砂浆强度检测仪、承压筒、钢筋扫描仪、钢筋检测仪、交通工程检测仪器设备
- 主营：混凝土养护箱、集装箱养护室、集装箱移动养护室、压实成型脱模一体机、集装箱标养室、混凝土标养箱、混凝土抗渗仪、强制式单卧轴搅拌机、水泥标准养护箱、混凝土养护室设备、恒温恒湿标准养护室、混凝土标准养护室、混凝土振动台、水泥试块养护箱、混凝土压力试验机、混凝土试块压力机、养护室试块架子、工地集装箱标养室、集装箱移动标养室、混凝土搅拌站试验仪器
- 主营：分析仪、气候箱、加湿器、混凝土脱模、测定仪、磨平机、液限仪、点荷仪、定硫仪、土工布、引伸仪、测试仪、试验箱、网格布、测斜仪、波纹管、触探仪、检测仪、白度仪、试验机、搅拌机、收缩皿、厚度仪、回弹仪、抗渗仪、测试箱
- 主营：发那科加工中心、雅士达加工中心、发那科DC系列机床、十二工位五轴联动加工、变压器节电装置、YASDA加工中心、雅思达机床、发那科模具机、发那科小黄机、法兰克模具机、yasda机床、节电节能设备、节电设备、节电设备厂家、多主轴车铣复合加工中心、转台式复合cnc机床、多工位组合加工中心、多工位多主轴车铣复合CNC机床、多轴车铣复合CNC机床、六十轴车铣复合CNC机床、转盘式多方向加工机、多主轴多工位车铣复合加工中心、转台式多工位组合机床、发那科D54C加工中心D74零件机
- 主营：抗压抗折一体机、2025新标准沥青机、混凝土试验机、手动液压脱模器、土工试验机、新标涂料养护箱、新标准低温柔度仪、固结仪、直剪仪、三轴仪、水平炉垂直炉、厨卫排气道气密性测试、电线电缆热释放测试仪、铺地材料燃烧性能仪、地漏检测设备、电焊火花着火性试验机
- 主营：橡胶支座、桥梁伸缩缝、风琴胶条、桥梁支架卸落装置、盆式支座、卸落块、桥梁接线箱、桥梁集水井、铸铁篦子、橡胶垫块、弹簧钢管、气囊、调坡器、调平钢板、波纹管、护栏支架、铸铁泄水管、PVC泄水管
- 主营：聚乙烯、伸缩缝、泡沫板、卸落块装置、钢结构、钢纤维、橡胶棒、抗震球、铰支座、盾构条、橡胶条、滑动管、密封胶、缓冲链、止浆带、双曲面、橡胶垫、钢支座、聚氨酯、接线盒、泄水管、梁缓冲、网架支座、固定支座、紫铜止水、固定球铰
- 主营：沥青仪器、土工布实验仪、粗粒土实验仪、手动液压脱模器、路强仪、固结仪、鼓风干燥箱、砂浆抗渗仪、水泥检测仪、压力试验机、抗折抗压一体机、管材检测仪、防水卷材检测仪、门窗性能检测、保温性能检测、搅拌机、标准养护室、养护箱、恒温溢流水箱、振实台、实验夹具、实验室仪器、胀破强度试验