China best Custom CHINAMFG Injection Molded CHINAMFG Medical Parts PTFE/PE/PS/PP/PTFE/TPU Plastic Part

Product Description

 

Company Profile

HangZhou HORD RAPIDTOOLS CO., LTD  was established in 2013 by Johnny CHINAMFG and is located in the beautiful city of HangZhou, enjoying convenient transportation and a graceful environment. We are a professional custom manufacturer specializing in rapid tooling & small-volume production including plastic Injection molding, CNC machining, silicone heat compression, aluminum pressure die casting, aluminum extrusion, etc.

Covering an area of 2,1000 square CHINAMFG and having over 250 employees, our factory is equipped with advanced injection molding machines, CNC machines, inspection equipment, etc. We have excellent in-house production capacity and refined manufacturing processes to deliver high-quality production parts at cost-effective prices. Meanwhile, backed by stable material suppliers. Strict quality control covers every procedure, from material sourcing and processing to testing and packing.

With high-quality products, excellent service, and a good reputation, we have won great support from customers around the world. We are looking CHINAMFG to good cooperation with partners at home and abroad to create a glorious future.

Product Description

 

Service Custom rapid tooling & small-volume production including plastic Injection molding
Quotation Quote as per your drawing/design(size, material, feature and structure, processing method, and required technology, etc)
Tolerance & Surface Roughness Customize available
Materials Available ABS,PC,PEEK,TPE,PA66,etc.(other specified material)
Processing Injection molding
Payment method T/T, wire transfer, Paypal, etc
Drawing Formats STP, IGS, Auto CAD, CHINAMFG Works, UG, CAD, PDF, etc.
MOQ No MOQ requirement for common parts, except for the MOQ of special materials required by the resin supplier.

 

Our Advantages

One-Stop Service
Hundreds of MUD mold base making to achieve the cost and lead time-saving!

1. Instant quote:  Response within 24 hours
2. Cost saving: quote with MUD mold base
3. Quick Turnaround: 7-14 days for mold making after DFM/drawing is confirmed. It depends on the complexity of the Design.
4. No MOQ Requirement, except for the MOQ of special material required by the resin supplier.
5. DFM Analysis: Preliminary DFM provided if needed at the quotation stage. Formal DFM is provided after the order is confirmed.
6.T1/T0 samples were provided to customers for further check after the mold trial.
7. Inspection report: FAI and dimensional report provided if needed.
8. Logistics: we have our own logistic team for the shipment arrangement. 
Attention: All parts are custom-made according to the customer’s design/ drawings or existing samples. There are no ready parts in stock for sale.

HordRT Team

Our Mold Factory

 

 

Our Injection Molding Factory

 

 

Quality Assurance Inspections

Quality Control at Every Step

We take inspection and quality control seriously. Our quality control process combines expertise and experience with advanced equipment for measuring and reviewing client specifications against produced samples before final runs. If there is a need from a customer, we always can provide the COA, COC, dimensional report and relevant inspection reports, etc.
 

Certificates

 

HordRT has passed ISO 9001, IATF 16949, and UL certifications.

How to get a free quote from us?
 

1. Send an inquiry to us
2. Provide related files(drawings) if possible.
3. Tell us your requirement(Material/Qty/Surface finish/etc) for parts.
4. Analyze with our engineers and get back a quote within 24 hours.

 

FREQUENTLY ASKED QUESTIONS

 

Q1. Are you able to sign an NDA before we transfer the CAD data to you?
A1. We guarantee to keep your design and content secure and confidential. If needed, we can CHINAMFG an NDA document for you. You can send your company’s NDA to us directly, and we will CHINAMFG it back to you.

Q2. Are the lead times in working days or calendar days?
A2. The lead times are quoted in calendar days. That is calculated from the approval of the DFM and the beginning of the actual production.

Q3. What are the shipping terms of HordRT?
A3. For regular production orders, our standard terms are Ex Works (EXW), which means that the customer is responsible for shipping, customs clearance, and all other associated fees once the goods have left our premises.

Q4. What are the advantages of HordRT compared with other suppliers?
A4. 1. Support rapid tooling and low-volume production
       2. Making hundreds of shared mold bases(MUD) to save costs and time for customers.

       3. Equipped with a great deal of advanced injection molding machines, CNC machines, inspection equipment, etc.
       4. Choose a suitable processing method for different designs based on the consideration of cost/qty/lead-time/design and so on. 

Q5.What are the payment terms of HordRT?
A5.1.Typically, all tooling orders require a 50% deposit in advance, the balance needs to be paid before the T1 sample is shipping.
     2. The CNC machining parts require 100% payment before shipment.
     3. Unless otherwise agreed, the amount due shall be paid by bank transfer as designated by HordRT

 

Ready to Work On your Next Project?

Let us help you provide high-quality parts in a short time. 

Get your project started now!

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After-sales Service: Yes
Type: Overmold
Certification: ISO9001, TS16949

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

Can you explain the role of temperature and pressure in injection molding quality control?

Temperature and pressure are two critical parameters in injection molding that significantly impact the quality control of the process. Let’s explore their roles in more detail:

Temperature:

The temperature in injection molding plays several important roles in ensuring quality control:

1. Material Flow and Fill:

The temperature of the molten plastic material affects its viscosity, or flowability. Higher temperatures reduce the material’s viscosity, allowing it to flow more easily into the mold cavities during the injection phase. Proper temperature control ensures optimal material flow and fill, preventing issues such as short shots, flow marks, or incomplete part filling. Temperature control also helps ensure consistent material properties and dimensional accuracy in the final parts.

2. Melting and Homogenization:

The temperature must be carefully controlled during the melting process to ensure complete melting and homogenization of the plastic material. Insufficient melting can result in unmelted particles or inconsistent material properties, leading to defects in the molded parts. Proper temperature control during the melting phase ensures uniform melting and mixing of additives, enhancing material homogeneity and the overall quality of the molded parts.

3. Cooling and Solidification:

After the molten plastic is injected into the mold, temperature control is crucial during the cooling and solidification phase. Proper cooling rates and uniform cooling help prevent issues such as warping, shrinkage, or part distortion. Controlling the temperature allows for consistent solidification throughout the part, ensuring dimensional stability and minimizing internal stresses. Temperature control also affects the part’s crystallinity and microstructure, which can impact its mechanical properties.

Pressure:

Pressure control is equally important in achieving quality control in injection molding:

1. Material Packing:

During the packing phase of injection molding, pressure is applied to the molten plastic material to compensate for shrinkage as it cools and solidifies. Proper pressure control ensures that the material is adequately packed into the mold cavities, minimizing voids, sinks, or part deformation. Insufficient packing pressure can lead to incomplete filling and poor part quality, while excessive pressure can cause excessive stress, part distortion, or flash.

2. Gate and Flow Control:

The pressure in injection molding influences the flow behavior of the material through the mold. The pressure at the gate, where the molten plastic enters the mold cavity, needs to be carefully controlled. The gate pressure affects the material’s flow rate, filling pattern, and packing efficiency. Optimal gate pressure ensures uniform flow and fill, preventing issues like flow lines, weld lines, or air traps that can compromise part quality.

3. Ejection and Part Release:

Pressure control is essential during the ejection phase to facilitate the easy removal of the molded part from the mold. Adequate ejection pressure helps overcome any adhesion or friction between the part and the mold surfaces, ensuring smooth and damage-free part release. Improper ejection pressure can result in part sticking, part deformation, or mold damage.

4. Process Monitoring and Feedback:

Monitoring and controlling the temperature and pressure parameters in real-time are crucial for quality control. Advanced injection molding machines are equipped with sensors and control systems that continuously monitor temperature and pressure. These systems provide feedback and allow for adjustments during the process to maintain optimum conditions and ensure consistent part quality.

Overall, temperature and pressure control in injection molding are vital for achieving quality control. Proper temperature control ensures optimal material flow, melting, homogenization, cooling, and solidification, while pressure control ensures proper material packing, gate and flow control, ejection, and part release. Monitoring and controlling these parameters throughout the injection molding process contribute to the production of high-quality parts with consistent dimensions, mechanical properties, and surface finish.

Can you describe the various post-molding processes, such as assembly or secondary operations, for injection molded parts?

Post-molding processes play a crucial role in the production of injection molded parts. These processes include assembly and secondary operations that are performed after the initial molding stage. Here’s a detailed explanation of the various post-molding processes for injection molded parts:

1. Assembly:

Assembly involves joining multiple injection molded parts together to create a finished product or sub-assembly. The assembly process can include various techniques such as mechanical fastening (screws, clips, or snaps), adhesive bonding, ultrasonic welding, heat staking, or solvent welding. Assembly ensures that the individual molded parts are securely combined to achieve the desired functionality and structural integrity of the final product.

2. Surface Finishing:

Surface finishing processes are performed to enhance the appearance, texture, and functionality of injection molded parts. Common surface finishing techniques include painting, printing (such as pad printing or screen printing), hot stamping, laser etching, or applying specialized coatings. These processes can add decorative features, branding elements, or improve the surface properties of the parts, such as scratch resistance or UV protection.

3. Machining or Trimming:

In some cases, injection molded parts may require additional machining or trimming to achieve the desired final dimensions or remove excess material. This can involve processes such as CNC milling, drilling, reaming, or turning. Machining or trimming is often necessary when tight tolerances, specific geometries, or critical functional features cannot be achieved solely through the injection molding process.

4. Welding or Joining:

Welding or joining processes are used to fuse or bond injection molded parts together. Common welding techniques for plastic parts include ultrasonic welding, hot plate welding, vibration welding, or laser welding. These processes create strong and reliable joints between the molded parts, ensuring structural integrity and functionality in the final product.

5. Insertion of Inserts:

Insertion involves placing metal or plastic inserts into the mold cavity before the injection molding process. These inserts can provide additional strength, reinforce threaded connections, or serve as mounting points for other components. Inserts can be placed manually or using automated equipment, and they become permanently embedded in the molded parts during the molding process.

6. Overmolding or Two-Shot Molding:

Overmolding or two-shot molding processes allow for the creation of injection molded parts with multiple layers or materials. In overmolding, a second material is molded over a pre-existing substrate, providing enhanced functionality, aesthetics, or grip. Two-shot molding involves injecting two different materials into different sections of the mold to create a single part with multiple colors or materials. These processes enable the integration of multiple materials or components into a single injection molded part.

7. Deflashing or Deburring:

Deflashing or deburring processes involve removing excess flash or burrs that may be present on the molded parts after the injection molding process. Flash refers to the excess material that extends beyond the parting line of the mold, while burrs are small protrusions or rough edges caused by the mold features. Deflashing or deburring ensures that the molded parts have smooth edges and surfaces, improving their appearance, functionality, and safety.

8. Inspection and Quality Control:

Inspection and quality control processes are performed to ensure that the injection molded parts meet the required specifications and quality standards. This can involve visual inspection, dimensional measurement, functional testing, or other specialized testing methods. Inspection and quality control processes help identify any defects, inconsistencies, or deviations that may require rework or rejection of the parts, ensuring that only high-quality parts are used in the final product or assembly.

9. Packaging and Labeling:

Once the post-molding processes are complete, the injection molded parts are typically packaged and labeled for storage, transportation, or distribution. Packaging can include individual part packaging, bulk packaging, or custom packaging based on specific requirements. Labeling may involve adding product identification, barcodes, or instructions for proper handling or usage.

These post-molding processes are vital in achieving the desired functionality, appearance, and quality of injection molded parts. They enable the integration of multiple components, surface finishing, dimensional accuracy, and assembly of the final products or sub-assemblies.

Are there different types of injection molded parts, such as automotive components or medical devices?

Yes, there are various types of injection molded parts that are specifically designed for different industries and applications. Injection molding is a versatile manufacturing process capable of producing complex and precise parts with high efficiency and repeatability. Here are some examples of different types of injection molded parts:

1. Automotive Components:

Injection molding plays a critical role in the automotive industry, where it is used to manufacture a wide range of components. Some common injection molded automotive parts include:

  • Interior components: Dashboard panels, door handles, trim pieces, instrument clusters, and center consoles.
  • Exterior components: Bumpers, grilles, body panels, mirror housings, and wheel covers.
  • Under-the-hood components: Engine covers, air intake manifolds, cooling system parts, and battery housings.
  • Electrical components: Connectors, switches, sensor housings, and wiring harnesses.
  • Seating components: Seat frames, headrests, armrests, and seatbelt components.

2. Medical Devices:

The medical industry relies on injection molding for the production of a wide range of medical devices and components. These parts often require high precision, biocompatibility, and sterilizability. Examples of injection molded medical devices include:

  • Syringes and injection pens
  • Implantable devices: Catheters, pacemaker components, orthopedic implants, and surgical instruments.
  • Diagnostic equipment: Test tubes, specimen containers, and laboratory consumables.
  • Disposable medical products: IV components, respiratory masks, blood collection tubes, and wound care products.

3. Consumer Products:

Injection molding is widely used in the production of consumer products due to its ability to mass-produce parts with high efficiency. Examples of injection molded consumer products include:

  • Household appliances: Television and audio equipment components, refrigerator parts, and vacuum cleaner components.
  • Electronics: Mobile phone cases, computer keyboard and mouse, camera components, and power adapters.
  • Toys and games: Action figures, building blocks, puzzles, and board game components.
  • Personal care products: Toothbrushes, razor handles, cosmetic containers, and hairdryer components.
  • Home improvement products: Light switch covers, door handles, power tool housings, and storage containers.

4. Packaging:

Injection molding is widely used in the packaging industry to produce a wide variety of plastic containers, caps, closures, and packaging components. Some examples include:

  • Bottles and containers for food, beverages, personal care products, and household chemicals.
  • Caps and closures for bottles and jars.
  • Thin-walled packaging for food products such as trays, cups, and lids.
  • Blister packs and clamshell packaging for retail products.
  • Packaging inserts and protective foam components.

5. Electronics and Electrical Components:

Injection molding is widely used in the electronics industry for the production of various components and enclosures. Examples include:

  • Connectors and housings for electrical and electronic devices.
  • Switches, buttons, and control panels.
  • PCB (Printed Circuit Board) components and enclosures.
  • LED (Light-Emitting Diode) components and light fixtures.
  • Power adapters and chargers.

These are just a few examples of the different types of injection molded parts. The versatility of injection molding allows for the production of parts in various industries, ranging from automotive and medical to consumer products, packaging, electronics, and more. The specific design requirements and performance characteristics of each part determine the choice of materials, tooling, and manufacturing processes for injection molding.

China best Custom CHINAMFG Injection Molded CHINAMFG Medical Parts PTFE/PE/PS/PP/PTFE/TPU Plastic Part  China best Custom CHINAMFG Injection Molded CHINAMFG Medical Parts PTFE/PE/PS/PP/PTFE/TPU Plastic Part
editor by Dream 2024-05-09