Robot Hip Shell Injection Mold

Core Competencies

• Large housing mold manufacturing technology: For the large size and deep cavity structure of robot hip shells, mold steel utilizes high-rigidity pre-hardened grades, processed through precision CNC machining and stress relief to ensure mold base stability under longterm highpressure injection, maintaining molded part dimensions within ±0.1mm.
• Complex structure molding capability: Hip shells often feature internal reinforcing ribs, metal insert anchoring points, and multidirectional clips. The mold employs large slides, angled lifters, and hydraulic corepulling mechanisms to ensure smooth undercut ejection and accurate assembly interface dimensions for subsequent frame and joint module mounting.
• Rich surface treatment processes: Supports various mold surface treatments, including high-gloss polishing, grain etching, and matte coating, producing hip shell components with flat surfaces and clear texture that align with service robot industrial design aesthetics.
• Onestop component delivery: Beyond mold manufacturing, capabilities extend to plastic welding and assembly, completing hip shell-to-internal bracket welding and metal insert molding to reduce client supply chain management costs.

Technical Specifications

• Structural load-bearing capacity: Utilizes high-rigidity engineering plastic formulations with topologically optimized wall thickness distribution, capable of withstanding impact loads during robot drop testing and operational stress in daily use.
• Dimensional stability: Scientifically arranged cooling channels combined with conformal cooling technology effectively control shrinkage rates in large housing injection molding, ensuring dimensional consistency across high-volume production and preventing warpage deformation that causes assembly interference.
• Surface consistency: Specially treated mold cavities produce components free of flash, sink marks, and gas lines, ensuring uniform color after painting or plating to meet consumer-grade robot appearance standards.
• Insert compatibility: Mold design reserves metal insert molding mechanisms, supporting copper nuts, threaded inserts, and other inserts to be simultaneously embedded during injection, ensuring pullout force and torque meet design requirements.

Application Scenarios

• Service robots: Applicable to hip shells, torso housings, and base components for commercial cleaning robots, delivery robots, and guide robots.
• Educational robots: Housing mold manufacturing for programming education and STEAM education robots, meeting safety radius and color diversity requirements.
• Medical robots: Housing components for rehabilitation training and companion robots, meeting antibacterial surface treatment and easy-clean design requirements.
• Industrial robots: Mold development for collaborative robot arm housings and control cabinet panels, meeting protection ratings and ventilation hole layout requirements.
• Robot modification and accessory market: Custom housing mold development and production services for robot brands.

FAQ & Solutions

Q1: Surface sink marks or weld lines on robot hip shells after molding, how to resolve?
Solution: This typically results from excessive wall thickness variation or improper gate placement. We employ moldflow analysis during design to optimize wall thickness transitions and gate layout, setting bubble cooling or beryllium copper inserts in thickwall areas to accelerate heat dissipation; simultaneously guiding clients to adjust packing curves and melt temperature to ensure flat, defect-free surfaces.
Q2: Large housings exhibit warpage after ejection, resulting in uneven gaps during metal frame assembly. What causes this?
Solution: This often relates to unbalanced mold cooling or uneven ejection force distribution. We utilize multicircuit independent temperature control systems ensuring cavity surface temperature variation within ±2℃; ejection systems employ large-area stripper plates combined with multipoint ejector pins for uniform force distribution, followed by cooling fixtures for shape retention, ensuring profile conformity to assembly requirements.
Q3: For molds exported to Europe, how to ensure service life and maintenance convenience?
Solution: Leveraging 15 years of export experience, our mold designs fully comply with DME and HASCO standards. Hot runner systems utilize internationally branded components, accompanied by detailed maintenance manuals and spare parts lists. Critical wear parts such as slides, ejector pins, and seals adopt standardized designs for local procurement and replacement, ensuring longterm stable mold operation.

Q: 10. If I want to develop a product containing injection-molded parts, what kind of assistance can you provide?

We can provide full support ranging from product development review and structural design, to mold manufacturing, volume injection molding, printing, and assembly. We can collaborate with customers in the early stages of product development to optimize designs for cost reduction and improved manufacturability.

Q: 9.What is the company's quality policy?

The company always adheres to the quality policy of "Precision, High Efficiency, Forging Quality," and is committed to providing customers with high-quality services through advanced technology and an excellent management team.

Q: 8.What are your competitive advantages compared to other mold enterprises?

Our advantages lie in the combination of Singapore's precision mold technology, advanced production equipment (extensive imported CNC and injection molding machines), a comprehensive one-stop production process (from design to assembly), and a strict quality management system certified by IATF 16949.

Q: 7.Who are your main customers, and to which regions are the products exported?

We have established good cooperative relations with well-known companies, including UK's Land Rover and Triumph Motorcycles, domestic SAIC, Changan, ABB charging stations, and Japan's Tiger Corporation. Our products are exported to countries such as Japan, Europe, and the United States.

Q: 5. What quality system certifications has the company obtained?

The company has passed the IATF 16949 quality system certification, ensuring our product quality in the automotive and industrial sectors meets international standards.

Q: 6.In which fields are the company's products mainly applied?

Our products are widely used, mainly in areas such as automotive interiors, new energy charging piles, and household appliances.

Q: 4.What main production equipment does the company have?

We possess several imported precision machining facilities, including well-known foreign brand precision machines such as CNC machine tools, EDM spark machines, and slow-moving wire cutting machines. We also have a number of high-performance injection molding production equipment from Japan and Germany.

Q: 3.Where is the company currently located, and what is the scale of the factory?

The company relocated to Guigu Park, Jiashan County, Zhejiang Province in 2016. Currently, the plant covers an area of 7,000 square meters, with a usable area of 14,000 square meters, and employs about 100 people.