Injection molding glossary in 4 languages
Vietnamese – English – Chinese – Korean: common terms for plastic injection molding, molds and quality inspection.
This table helps customers, engineers and interpreters use one consistent term when discussing drawings and technical requirements across languages.
| Tiếng Việt | English | 中文 | 한국어 | Meaning |
|---|---|---|---|---|
| Máy đo 3D | 3D measuring machine | 三次元测量仪 | 3차원 측정기(3D 측정기) | Equipment that measures part dimensions in three axes with high accuracy. |
| Phay CNC | CNC milling | 数控铣削 | CNC 밀링 | Machining metal with computer-controlled milling machines to shape mold parts. |
| Lòng khuôn | Cavity | 型腔 | 캐비티 | The hollow space in the mold that has the shape of the part. |
| Lực kẹp | Clamping force | 锁模力 | 형체력 | The force holding the two mold halves shut during injection, measured in tons; the main figure for choosing a machine. |
| Thời gian làm nguội | Cooling time | 冷却时间 | 냉각 시간 | The time the part stays in the mold to cool and become rigid enough to eject. |
| Lõi khuôn | Core | 型芯 | 코어 | The mold part that forms the inner surface or holes of the part. |
| Chu kỳ ép | Cycle time | 成型周期 | 사이클 타임 | The total time of one molding cycle, from mold closing to part ejection. |
| Kim bôi keo | Dispensing needle | 点胶针头 | 디스펜싱 니들 | A plastic needle tip used to apply glue or liquid at a precise spot. |
| Góc thoát khuôn | Draft angle | 脱模斜度 | 빼기 구배(드래프트) | A slight taper on part walls that lets the part release easily from the mold. |
| Gia công xung điện (EDM) | EDM (electrical discharge machining) | 电火花加工（EDM） | 방전 가공(EDM) | Machining metal with electrical sparks, suited to complex, hard mold features. |
| Chốt đẩy | Ejector pin | 顶针 | 이젝터 핀 | A pin that pushes the part out of the mold once it has cooled. |
| Kiểm tra mẫu đầu tiên | First article inspection | 首件检验 | 초도품 검사 | A full check of the first parts against the drawing before production continues. |
| Bavia (ba via) | Flash (burr) | 飞边（毛边） | 플래시(버) | Thin excess plastic at the edge of a part that must be trimmed away. |
| Cổng phun | Gate | 浇口 | 게이트 | The point where plastic enters the cavity; its position and size affect part quality. |
| Áp suất giữ | Holding pressure | 保压压力 | 보압 | The pressure maintained after filling to compensate for shrinkage as the plastic cools. |
| Hệ thống kênh nóng | Hot runner | 热流道 | 핫러너 | A system that keeps plastic molten inside the runner to reduce scrap. |
| Ép nhựa (ép phun) | Injection molding | 注塑成型 | 사출 성형 | A process that injects molten plastic into a mold to form a part of the required shape. |
| Áp suất phun | Injection pressure | 注射压力 | 사출 압력 | The pressure used to push molten plastic into the cavity. |
| Ép nhựa có chi tiết chèn | Insert molding | 嵌件注塑 | 인서트 사출 | Molding plastic around a component, usually metal, placed in the mold beforehand. |
| Hàn laser | Laser welding | 激光焊接 | 레이저 용접 | Welding with a focused laser beam, used to repair or join small mold features. |
| Thời gian giao hàng | Lead time | 交货期 | 납기(리드 타임) | The time from placing an order to receiving the goods. |
| Số lượng đặt tối thiểu | MOQ (minimum order quantity) | 最小起订量 | 최소 주문 수량 | The smallest quantity a supplier will accept for one order. |
| Khuôn | Mold | 模具 | 금형 | The tool whose cavity gives the part its shape when plastic is injected. |
| Thử khuôn | Mold trial | 试模 | 시사출(트라이) | Test shots from a new mold to check the parts and make adjustments before mass production. |
| Đường phân khuôn | Parting line | 分型线 | 파팅 라인 | The line where the two mold halves meet, often visible on the part. |
| Yêu cầu báo giá | RFQ (request for quotation) | 询价 | 견적 요청(RFQ) | A document or form a customer sends so the supplier can quote for a product. |
| Nhựa nguyên liệu (hạt nhựa) | Resin | 塑料原料（树脂） | 수지(레진) | The pelletised plastic raw material used to mold parts. |
| Đường dẫn nhựa | Runner | 流道 | 러너 | The channel that distributes plastic from the sprue to the cavities. |
| Thiếu nhựa | Short shot | 缺料（欠注） | 미성형(쇼트 샷) | A defect where plastic does not fill the cavity completely, leaving the part incomplete. |
| Lượng phun | Shot size | 注射量 | 사출량 | The amount of plastic the machine injects into the mold in one cycle. |
| Độ co ngót | Shrinkage | 收缩率 | 수축률 | The reduction in size of a part as the plastic cools. |
| Vết lõm co ngót | Sink mark | 缩痕 | 싱크 마크 | A small depression on the surface caused by plastic shrinking in a thick section. |
| Máy đo quang phổ | Spectrophotometer | 光谱仪 | 분광 분석기 | An instrument that analyses light to check colour or material composition. |
| Cuống phun | Sprue | 主流道 | 스프루 | The first channel that carries plastic from the machine nozzle into the mold. |
| Dung sai | Tolerance | 公差 | 공차 | The permitted range of dimensional deviation from the drawing. |
| Rãnh lõm ngược (undercut) | Undercut | 倒扣 | 언더컷 | A feature that prevents the part from releasing in the normal mold-opening direction. |
| Cong vênh | Warpage | 翘曲变形 | 휨(워페이지) | Distortion of a part after cooling caused by uneven shrinkage. |
| Đường hàn | Weld line | 熔接线 | 웰드 라인 | A faint line where two flow fronts of plastic meet and join. |