Yuyao Honghao Mold and Hardware Factory is located in Yuyao, Ningbo, Zhejiang Province (China Light Industry Mold City). It is an actual factory specializing in the design and manufacturing of cold stamping molds as well as the production of metal stamping parts. It has been deeply engaged in this industry for over 10 years.
I. Basic Information
• Establishment: 2009
• Address: No. 88, Zhushan Industrial Zone, Liuzhou Street, Yuyao City, Zhejiang Province
• Contact person: Yang Jiqiu
• Telephone: 1368586139
• Unified Social Credit Code: 330281601052487
II. Core Business
• Molds: Stretching molds, automotive sheet metal molds, progressive dies, hard alloy molds, etc. are all types of cold stamping molds.
• Processing: Mechanical processing, sheet metal stamping, stainless steel stretching, custom production of hardware components
• Service: One-stop customization from design to mold making, pressing, and mass production. Supports OEM/ODM.
III. Industry and Advantages
• Industry Experience: Over 10 years of experience in the research and manufacturing of cold stamping molds, with mature technology.
• Equipment capabilities: CNC machining centers, slow wire electrical discharge machining, electrical discharge machining, precision stamping/hydraulic equipment
• Market reputation: The molds are exported to Europe, America, Southeast Asia, North Africa, etc. They have stable quality, short delivery time and high cost-effectiveness.
• Application fields: Automobiles, electronics, household appliances, hardware, construction machinery, etc.
IV. Typical Product Cases
Automobile rear hatch mold, car radiator accessory mold
• Train axle end cover molds and products, constant pressure springs
• Pressing mold for the upper and lower beams/bottom base of the refrigerator
Diesel engine oil tank, cooling cover mold, etc.
I. Applicable Process Parameters
• Process type: Single-action stretching, Double-action stretching, Reverse stretching, Thinning stretching, Multi-pass continuous stretching, Stretching + Punching composite forming
• Stretching depth: The conventional single-pass stretching depth is 0.5 - 100mm. For multiple passes, deeper forming requirements can be customized.
• Stretching coefficient: Suitable for conventional stretching ratios, supports multi-pass step-by-step stretching to avoid cracking and wrinkling defects
• Forming effect: It can achieve the forming of various complex stretched parts such as cylindrical, box-shaped, conical, and irregular shapes.
II. Applicable Material Parameters
• Applicable materials: Cold-rolled steel plate, stainless steel (201/304/316), galvanized sheet, aluminum sheet, brass, copper (red), etc. - all metal sheets with good plasticity.
• Material thickness: Standard range is 0.3mm - 6.0mm. Customization is available to match the structure of the stretched part.
• Material condition: Soft and semi-hard sheet materials, suitable for different levels of stretching and forming difficulties
III. Mold Structural Parameters
• Structural form: single-process stretching die, composite stretching die, progressive continuous stretching die, die with flange ring
• Frame type: Standard frame / Custom frame, with guide columns and guide sleeves for smooth operation
• Mold material:
◦ Concave-convex die: Cr12MoV, SKD11, DC53, Hard alloy (high wear resistance, anti-scratch)
◦ Edge ring / fixing plate: 45# steel undergoes quenching and tempering treatment to ensure rigidity and stability.
• Guidance method: Precision guide column and guide sleeve + ball guidance, with uniform clearance, ensuring the forming accuracy
• Unloading/Pressing Structure: Elastic clamping ring and fixed clamping ring are optional. They effectively prevent the stretched parts from wrinkling and rebounding.
IV. Accuracy and Performance Parameters
• Dimension tolerance: Tolerance for the outer diameter/inner diameter of the extruded part is ±0.02mm to ±0.1mm, and the height tolerance is ±0.05mm to ±0.2mm.
• Surface quality: The inner wall of the extruded part is smooth, without any scratches, marks, wrinkles, or cracks, and can meet the requirements for mirror finish or matte surface.
• Service life: Ordinary tool steel can be stamped tens of thousands of times, while high-quality alloy steel molds can withstand up to millions of cycles.
• Compatible equipment: Ordinary punching machines, hydraulic presses, hydraulic stretching machines, servo punching machines, compatible with all conventional tonnage equipment.
V. Applicable Production Scenarios
Small-scale trial production, medium-scale mass production, and large-scale automated mass production can all be adapted to.
• Applicable to the production of various stretch parts such as household appliance shells, automotive parts, electronic hardware housings, kitchenware containers, battery shells, and hardware connectors.
Multi-stage secondary stretching die, suitable for automated high-speed mass production, enhancing production efficiency and product consistency
VI. Core Strengths
It can achieve one-piece molding of complex shapes, reducing secondary processing procedures; the mold structure is stable, effectively controlling defects such as wrinkling and cracking of the extruded parts; it supports multi-pass continuous stretching, significantly improving production efficiency and product consistency, and reducing the cost of single-piece production.
