Plastic Robot Injection Molding

Plastic Robot Injection Molding


Mold Making & Plastic Injection One-stop Service

Yuyao Hualong Moulds & Plastic Products Co.,Ltd.

Yuyao Hualong Moulds & Plastic Products Co.,Ltd. was established in 1988. At present, there are 15 plastic injection molding machines from 100g to 3500 g, more than 20 mold manufacturing equipment such as machining centers, and more than 20 testing equipment and other auxiliary equipment. As leading Plastic Injection Molded Robot manufacturers and Robot factory in China, We have 100 employees and more than 30 managers and professional technicians.

After over 30 years of indomitable efforts, with the molds-making and plastic products-processing as the mainstay, our company has implemented a service for product development, mold-designing and making, plastic injection-molding and finished product-assembly in a coordinated process. Hualong mold has long history of serving European and American high-quality brands and well-known public companies at domestic and abroad. We custom make injection molded Plastic Robot. Customized products involve all kinds of instruments, equipment accessories, industrial automation and intelligent equipment of the Internet of things, auto accessories, kitchen appliances, household products, etc. Products are widely used in power, communications, security, automotive, aerospace, medical, life and other different fields.

We have gained certifications of ISO9001, ISO16949 quality management system and ISO14001 environmental management system. OEM/ODM plastic injection molded Robot. We accept annual factory inspection of clients, and conduct ECOVADIS audits on environment, labor and human rights, business ethics and sustainable procurement.

Customized Service Custom Advantage

Custom Process

  • Drawings or Samples

    We get the drawings or samples from customers.

  • Drawings Confirmation

    We will draw the 3D drawings according to the customers' 2D drawings or samples,and send the 3D drawings to customers for confirmation.

  • Quotation

    We will quote after getting the customers' confirmation,or quote directly according to customers' 3D drawings.

  • Making Molds/Patterns

    We will make molds or pattens after getting the mold orders from the customers.

  • Making Samples

    We will make real samples using the molds and send to customers for confirmation.

  • Mass Producing

    We will produce the products after getting the customers' confirmation and orders.

  • Inspection

    We will inspect the products by our inspectors or ask the customers to inspect together with us when finished.

  • Shipment

    We will ship the goods to the customers after getting the inspection result ok and the customers' confirmation.

Every certificate witnesses our profession


  • ISO45001
  • ISO14001 Environmental Management System Certification
  • IATF16949 Automotive Industry Quality Certification
  • ISO9001 Quality Management System Certification
  • Sustainability Rating
  • POM F20-02 ROHS SGS Report

Develop customized mold products according to customer requirements

Comprehensive analysis of projects, high degree of cooperation with customers, strong timeliness, good follow-up service and stable production.

Learn about customization
Industry Knowledge

What are some of the key factors to consider when choosing a supplier for plastic robot injection molding?

When choosing a supplier for Plastic Robot Injection Molding, there are several key factors to consider. These include:

Industry experience: Look for a supplier with extensive experience in the plastics industry, particularly in injection molding applications.

Range of products: Look for a supplier that offers a wide range of plastic robot injection molding that is suitable for a variety of plastic robot injection molding applications.

Customization options: Choose a supplier that offers customization options to ensure that the plastic robot injection molding meets the specific needs and requirements of the injection molding process.

Technical support and service: Look for a supplier that provides excellent technical support and service, including installation, training, maintenance, and repair services.

Quality and reliability: Choose a supplier that is known for producing high-quality, reliable plastic robot injection molding that is built to withstand the demands of the injection molding process.

Cost-effectiveness: Consider the cost of the plastic robot injection molding and its total cost of ownership over its lifespan to ensure that it is a cost-effective solution for your injection molding operation.

Reputation and customer feedback: Research the supplier's reputation and customer feedback to ensure that they have a history of providing excellent products and services.

Overall, choosing the right plastic robot injection molding supplier for plastic injection molding requires careful consideration of a range of factors to ensure that you select a supplier that can provide the right plastic robot injection molding for your specific needs and requirements.

What is plastic robot injection molding, and how does it work?

Plastic robot injection molding is a manufacturing process that is used to produce parts and products made of plastic. The process involves injecting molten plastic material into a mold or cavity, which is then cooled and solidified to create the desired shape.

Here's a step-by-step explanation of the plastic robot injection molding process:

1. First, the plastic material (in the form of pellets) is fed into a hopper and melted in a heated barrel. The barrel has a screw-like mechanism that pushes the molten plastic material toward the mold.

2. Once the plastic is melted, it is injected into a mold under high pressure. The mold is usually made of steel or aluminum and is designed to create the desired shape of the finished product.

3. The molten plastic material fills the mold cavity and is then cooled and solidified. The cooling process can be done using water or air, depending on the type of mold and the material being used.

4. Once the plastic has solidified, the mold is opened, and the finished product is ejected. The product is then inspected for any defects or imperfections, and any excess plastic is removed.

5. The mold can be used again to create more products, and the process is repeated.

What are the key design considerations when designing plastic robot injection molding?

Designing for plastic robot injection molding requires careful consideration of various factors to ensure the final product is of high quality and can be produced efficiently. Here are some key design considerations when designing for plastic robot injection molding:

1. Draft angles: To enable easy ejection of the product from the mold, draft angles of at least 1-2 degrees should be added to all vertical faces of the part.

2. Wall thickness: A consistent wall thickness across the part helps to prevent warping and sink marks. A minimum thickness of 0.5mm is recommended, depending on the size and geometry of the part.

3. Ribs and bosses: Adding ribs and bosses to a part can help to increase its strength and rigidity. However, they should be designed to avoid creating thick areas or sharp corners that can cause sink marks or stress concentration.

4. Undercuts: Design features such as undercuts can complicate the ejection of the part from the mold. Careful consideration and design modifications may be necessary to enable the part to be ejected successfully.

5. Gate location and size: The gate is the opening through which the molten plastic is injected into the mold. The location and size of the gate affect the flow of the molten plastic and can impact the part's final quality.

6. Material selection: The properties of the plastic material used will impact the final product's strength, flexibility, and other characteristics. Material selection should be based on the requirements of the part's application.

How do you ensure consistent quality in plastic robot injection molding parts?

Ensuring consistent quality in plastic robot injection molding parts requires careful attention to every step of the manufacturing process. Here are some ways to ensure consistent quality in injection molded parts:

1. Robust process design: Establishing a robust process design that takes into account the material, part design, tooling, and processing parameters is critical to ensuring consistent quality. Process parameters such as temperature, pressure, and cycle time must be controlled within tight tolerances to produce parts that meet the desired specifications.

2. Real-time process monitoring: Using real-time process monitoring and control systems can help to identify and correct any process deviations before they impact part quality. These systems may include sensors, cameras, and other measurement tools that provide data on the process and product characteristics.

3. Mold maintenance: Proper mold maintenance is critical to maintaining consistent quality. Regular cleaning, lubrication, and inspection of the mold can help to prevent defects such as flashing, burrs, and parting lines.

4. Material handling and storage: Proper material handling and storage are essential to ensuring consistent material properties and avoiding contamination. The material should be stored in a dry, cool, and clean environment to prevent degradation or contamination.

5. Inspection and testing: Regular inspection and testing of the parts can help to identify any defects or variations in quality. Inspection methods may include visual inspection, dimensional measurement, and functional testing.

6. Continuous improvement: Continuous improvement processes can help to identify opportunities to improve quality and efficiency. Analyzing data from the process and product can help to identify areas for improvement and lead to better control of the process.

By implementing these practices and continuously monitoring and improving the process, it is possible to ensure consistent quality in injection molded parts.

  • Where are your products mainly exported to?
    Our products are mainly exported to the United States, Canada, the Netherlands, France, Italy, the United Kingdom, South Korea, and other dozens of countries.
  • How to deliver the goods to us?
    Foreign customers usually ship by sea. We are only 80 kilometers away from Ningbo Port, so it is very convenient to export by sea. Of course, if the customer's goods are urgent, we can also ship by air. Ningbo Airport and Shanghai International Airport are very close to us.
    Domestic customers, we have our own van and driver to arrange delivery.
  • How many employees of your comany? What about the technicists?
    The company has more than 100 employees, including more than 30 managers and professional and technical personnel.
  • How about the capacity of your company?
    The company covers an area of 9,000 square meters, with a modern workshop of more than 8,000 square meters. We currently have thirteen plastic injection molding machines ranging from 100 grams to 3500 grams, and more than ten mold manufacturing equipment such as machining centers, with an annual production capacity of 80 million yuan.
  • Do you have some standard parts?
    No, we are a pure custom manufacturer.
  • Can you do customized products?
    Yes, we mainly do customized products,we are mainly doing customized products according to the customers’ drawings or samples.
  • What applications do your products relate to?
    Our products cover almost every aspect of your life. Products have been involved in instrumentation, auto parts, medical equipment, smart equipment, audio-visual office supplies, fitness equipment, small kitchen appliances and many other industries.
  • What products can you offer?
    We mainly accept the customization of injection molds and the production of corresponding products.
  • Are you a direct manufacturer or a trading company?
    We are a professional manufacturer of customized injection molds and injection products. We also accept orders from domestic and foreign customers and have the right to export independently.
  • How to guarantee the quality of your goods?

    Firstly,we will do the inspection after every process.for the finished products,we will do 100% inspection according to the customers’ requirements and the international standard.

    Then, we have the more advanced and complete testing equipment in the industry: color detectors, three-coordinate measuring instruments, 3d scanners, etc. To ensure that the customer's all-round testing requirements for product color, high-precision geometric size testing, etc. are met.

    In addition, we have a professional team to do a complete technical analysis in advance. According to the needs of different materials, shapes and performances of the products, we will make corresponding molds or increase the necessary technological processes such as cooling and boiling to ensure that the product performance and shape meet the requirements of customers and reduce follow-up troubles.

  • What’s the payment term?
    When we quote for you,we will confirm with you the way of transaction,fob,cif,cnf,etc.
    For mass production goods, you need to pay 30% deposit before producing and70% balance against copy of documents. the more common way is by t/t. l/c is also acceptable.
  • How long can I get the feedbacks after we sent the inquiry? 
    We will reply you within 12 hours in working day.