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Making Stamping Dies

만드는 데 사용할 수 있는 재료의 종류는 100가지가 넘습니다. 스탬핑 dies, ranging from metals, plastics, inorganic non-metals, and paraffin. Let’s take a look at the actual processing and production, the stamping industry uses up to 24 kinds of mold materials. Making Stamping Dies

• 45: High-quality carbon structural steel is the most commonly used medium carbon quenched and tempered steel. Main features: good comprehensive mechanical properties, low hardenability, easy to produce cracks during water quenching. Small pieces should be quenched and tempered, and large pieces should be normalized. Application example: It is mainly used to manufacture high-strength moving parts, such as turbine impellers, compressor pistons, shafts, gears, racks, and worms. Welded parts should be preheated before welding and annealed to relieve stress after welding. Making Stamping Dies

• Q235A(A3 강): 가장 일반적으로 사용되는 탄소 구조용 강. 주요 특징: 높은 가소성, 인성 및 용접 성능, 추위의 특정 강도 스탬핑 performance, and good cold bending performance. Application example: Widely used in parts and welded structures with general requirements. Such as tie rods, connecting rods, pins, shafts, screws, nuts, ferrules, brackets, machine bases, and building structures and bridges with little force. Making Stamping Dies

• 40Cr: One of the most widely used steel grades in punching dies, it is an alloy structural steel. Main features: After quenching and tempering treatment, it has good comprehensive mechanical properties, low-temperature impact toughness, low notch sensitivity, good hardenability, and high fatigue strength can be obtained when oil cooling and parts with complex shapes are easy to be obtained when water cooling. Cracks occur. Medium cold bending plasticity, good machinability after tempering or quenching Co-infiltration, and high-frequency surface hardening. Application example: After quenching and tempering, it is used to manufacture medium-speed and medium-load parts, such as machine tool gears, shafts, worms, spline shafts, and thimble sleeves; Grinding parts, such as gears, shafts, main shafts, crankshafts, mandrels, sleeves, pins, connecting rods, screws, and nuts, intake valves, etc.; Parts, such as oil pump rotors, sliders, gears, spindles, and collars, etc.; used to manufacture heavy-duty, low-impact, wear-resistant parts such as worms, spindles, shafts, and collars, etc. after quenching and low-temperature tempering; carbon After nitriding treatment, transmission parts with large size and high low-temperature impact toughness, such as shafts and gears, are manufactured. Making Stamping Dies

• HT150: 회주철. 적용 예: 기어박스, 머신 베드, 박스, 유압 실린더, 펌프 바디, 밸브 바디, 플라이휠, 실린더 헤드, 풀리 및 베어링 커버 등

• 35: Common materials for various standard parts and fasteners. Main features: appropriate strength, good plasticity, high cold plasticity, and acceptable weldability. Local upsetting and wire drawing can be performed in the cold state. Low hardenability, use after normalizing or quenching and tempering. Application example: It is suitable for the manufacture of parts with small sections and large loads, such as crankshafts, levers, connecting rods, shackles, various standard parts, and fasteners. Making Stamping Dies

• 65Mn: commonly used spring steel. Application example: various flat and round springs, seat cushion springs, and spring springs of small size, can also be made into spring rings, valve springs, clutch reeds, brake springs, cold coil springs, circlips, etc. Making Stamping Dies

• 0Cr18Ni9: The most commonly used stainless steel (US steel number 304, Japanese steel number SUS304). Features and applications: It is the most widely used stainless heat-resistant steel, such as food equipment, general chemical equipment, etc. Making Stamping Dies

• Cr12: 일반적으로 사용되는 냉간 가공 금형강(미국 철강 번호 D3, 일본 철강 번호 SKD1). 특성 및 응용: Cr12 강은 고탄소 및 고크롬 강인 널리 사용되는 냉간 가공 다이 강입니다. 강철은 경화성 및 내마모성이 우수합니다. Cr12 강의 탄소 함량이 2.3%로 높기 때문에 충격 인성이 좋지 않고 부서지기 쉽고 고르지 않은 공정 탄화물을 형성하기 쉽습니다. Cr12 강은 내마모성이 우수하여 주로 냉간 펀치, 펀치, 블랭킹 다이, 냉간 압연 다이, 냉간 압출 다이, 펀치 및 다이, 드릴 슬리브, 충격 하중이 적고 높은 내마모성을 요구하는 게이지 제조에 사용됩니다. , 와이어 드로잉 다이, 스탬핑 다이, 스레드 롤링 플레이트, 딥 드로잉 다이 및 분말 야금용 냉간 프레싱 다이 등

• DC53: 일본 Datong Special Steel Co., Ltd. 제조업체의 철강 번호인 일본에서 수입한 일반적으로 사용되는 냉간 가공 스탬핑 다이스 강입니다. 특징 및 용도: 고강도 및 인성 냉간 가공 다이스틸. 고온 템퍼링 후 높은 경도, 높은 인성 및 우수한 와이어 절단 성능을 갖습니다. 정밀 냉간 스탬핑 다이, 드로잉 다이, 와이어 롤링 다이, 콜드 블랭킹 다이 및 펀치 등에 사용됩니다.

• DCCr12MoV: Wear-resistant chromium steel is made in China, with lower carbon content than Cr12 steel, and Mo and V are added to improve the unevenness of carbides. Mo can reduce carbide segregation and improve hardenability, while V can refine grains and increase toughness. This steel has high hardenability, the cross-section can be completely hardenable below 400mm, and it can still maintain good hardness and wear resistance at 300~400℃. Compared with Cr12, it has higher toughness and less volume change during quenching. Making Stamping Dies
• It has high wear resistance and good comprehensive mechanical properties. Therefore, it is possible to manufacture various dies with a large cross-section, complex shapes and high impact, such as ordinary drawing dies, punching dies, punching dies, blanking dies, trimming dies, rolling dies, wire drawing dies, cold extrusion dies, Cold cutting scissors, circular saws, standard tools and measuring tools, etc. Making Stamping Dies

• SKD11: Tough chrome steel, produced by Hitachi, Ltd., Japan. Technically, the casting structure in the steel is improved, the grains are refined, the toughness and wear resistance of Cr12MoV are improved, and the service life of the mold is prolonged. Making Stamping Dies

• D2: High carbon and high chromium cold work steel, produced in the United States. It has high hardenability, hardenability, wear resistance, good high-temperature oxidation resistance, and good corrosion resistance after quenching and polishing. Heat treatment deformation is small. It is suitable to manufacture all kinds of cold working dies, cutting tools, and measuring tools that require high precision and long life, such as drawing dies, cold extrusion dies and cold shearing knives. Making Stamping Dies

• SKD11 (SLD): non-deformable toughness high chromium steel, produced by Hitachi, Ltd., Japan. Due to the increase in the content of Mo and V in the steel, the casting structure in the steel is improved, the grains are refined, and the carbide morphology is improved, so the strength and toughness (flexural strength, deflection, impact toughness, etc.) of this steel are higher than those of SKD1 and SKD1, With high D2, wear resistance has also increased, and it has higher tempering resistance. The practice has proved that the life of this steel mold has been improved compared with Cr12MoV. It is often used to manufacture molds with high requirements, such as drawing molds, molds for impact grinding wheels, etc. Making Stamping Dies

• DC53: 일본 Datong Co., Ltd.에서 생산되는 고인성 및 고크롬강. 열처리 경도는 SKD11보다 높습니다. 고온(520~530) ℃에서 템퍼링한 후 62~63HRC의 고경도에 도달할 수 있습니다. 강도 및 내마모성 측면에서 DC53은 SKD11을 초과하고 인성은 SKD11의 두 배입니다. DC53의 인성은 냉간 금형 제조에서 균열 및 균열이 거의 발생하지 않아 수명이 크게 향상됩니다. 잔류응력이 작고 고온에서 되돌려 잔류응력을 감소시킨다. 와이어 절단 후의 크랙 및 변형을 억제하여 가공성 및 마모성이 SKD11을 초과하여 정밀 스탬핑 금형, 냉간 단조 및 딥 드로잉 금형 등에 사용됩니다.

• SKH-9: General-purpose high-speed steel with high wear resistance and toughness, produced by Hitachi, Ltd., Japan. For cold forging dies, slitters, drills, reamers, punches, etc. Making Stamping Dies

• ASP-23: Powder metallurgy high-speed steel, made in Sweden. Carbide distribution is extremely uniform, wear resistance, high toughness, easy processing, and heat treatment dimensional stability. Used for all kinds of long-life cutting tools such as punches, deep drawing dies, drilling dies, milling cutters, and shear blades. Making Stamping Dies

• P20: 일반 요구 사항에 필요한 크기의 플라스틱 주형으로 미국에서 생산됩니다. 전기적으로 부식되는 작동. 공장 상태는 미리 경화 된 HB270 ~ 300, 담금질 된 경도 HRC52입니다.

• 718: 스웨덴에서 만든 높은 요구 사항을 가진 크고 작은 플라스틱 주형. 전기적으로 부식되는 작동. 공장 상태 사전 경화 HB290~330, 담금질 경도 HRC52.

• Nak80: 일본 Datong Co., Ltd.에서 제조한 고정밀, 고정밀 플라스틱 금형. 공장 상태는 미리 경화 된 HB370 ~ 400, 담금질 된 경도 HRC52입니다.

• S136: Anti-corrosion and mirror-polished plastic mold, made in Sweden. Pre-hardened HB<215 in factory state, quenched hardness HRC52. Making Stamping Dies

• H13: Commonly used die-casting die for aluminum, zinc, magnesium, and alloy die-casting, hot stamping die, aluminum extrusion die, etc. Making Stamping Dies

•  SKD61: 일본 Hitachi, Ltd.에서 생산한 고급 다이캐스팅 몰드. 밸러스트 재용해 기술을 통해 H13보다 수명이 크게 향상되었습니다. 핫 스탬핑 다이의 경우 알루미늄 압출 다이가 사용됩니다.

•  8407: 스웨덴에서 만든 고급 다이캐스팅 몰드. 핫 스탬핑 다이의 경우 알루미늄 압출 다이가 사용됩니다.

• FDAC: 절단 용이성을 향상시키기 위해 황을 첨가했습니다. 공장 사전 경화 경도는 HRC38~42이며 담금질 및 템퍼링 없이 직접 조각할 수 있습니다. 소량의 배치금형, 간이금형, 각종 수지제품, 접동부품, 납기가 짧은 금형부품에 사용됩니다. 지퍼 금형, 안경 프레임 금형 등.

Making stamping dies, also known as die tooling or stamping tooling, is a crucial process in metalworking and manufacturing. Stamping dies are specialized tools used to cut, form, or shape sheet metal or other materials into specific designs or parts. Here’s an overview of the steps involved in making stamping dies: Making Stamping Dies

Design and Planning:

Determine the specific requirements of the stamped part, including dimensions, tolerances, and material type.
Create a detailed design or CAD (Computer-Aided Design) drawing of the part and the stamping die, including the cavity, punch, and any necessary features.
Plan the layout of the die components, such as punches, dies, guides, and strippers.
Material Selection:

Choose the appropriate materials for the die components. Common materials for dies include tool steel, carbide, and high-speed steel, depending on the complexity and volume of work.
Ensure that the material selected can withstand the forces and wear associated with the stamping process.
Rough Machining:

Start with rough machining of the die components using milling machines, lathes, or other cutting tools. Making Stamping Dies
Rough machining creates the basic shape of the die components, leaving enough material for subsequent finishing operations.
Heat Treatment: Making Stamping Dies

Heat treat the die components to enhance their hardness and durability. This step involves processes like hardening, tempering, and stress relieving to achieve the desired material properties.
Precision Machining: Making Stamping Dies

Perform precision machining to achieve the final dimensions and surface finish of the die components. This may include grinding, milling, drilling, and honing.
Accuracy and precision are critical in this step to ensure the stamped parts meet the required specifications.
Assembly:

Assemble the die components, including the punch, die, guides, strippers, and any additional components such as springs or ejector systems.
Proper alignment and clearances between components are essential to ensure smooth and efficient stamping.
Testing and Adjustment:

Test the assembled die on a press machine to check for any issues, such as misalignment, clearance problems, or inadequate material flow.
Make necessary adjustments to optimize the die’s performance and achieve the desired part quality.
Surface Treatment:

Apply surface treatments or coatings to the die components to improve wear resistance, reduce friction, or prevent corrosion.
Trial Runs and Fine-Tuning:

Conduct trial runs on the press to stamp sample parts and fine-tune the die’s operation until it consistently produces parts within specified tolerances.
Quality Control:

Implement a rigorous quality control process to inspect stamped parts for dimensional accuracy and surface finish.
Ensure that the die maintains its performance over time with regular maintenance and replacement of worn components.
Production:

Once the stamping die is fully tested and optimized, it can be used for high-volume production of stamped parts.
Creating stamping dies is a specialized and skill-intensive process that requires precision engineering, machining expertise, and a deep understanding of materials and manufacturing principles. High-quality stamping dies are essential for producing consistent and accurate stamped parts in various industries, including automotive, aerospace, electronics, and consumer goods manufacturing.

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