-
Q What’s the benefit of making 2-color molds?
A Creating two-color molds offers benefits like improved aesthetics, cost efficiency, durability, and design versatility. It streamlines production, reduces post-processing, and enhances part quality, making it a versatile choice for various applications.
More about 2-shot molds.
-
Q How many parts can one mold produce per day?
A The daily production output of a mold varies based on factors like the number of cavities and the molding cycle time. For instance, a 2-cavity mold with a 40-second molding cycle can produce up to 3,960 parts per day during 22 hours of operation.
-
Q Why do some companies build backup toolings?
A Companies create backup toolings to minimize production downtime, respond quickly to design changes, mitigate supply chain risks, optimize mold maintenance, expand production capacity, enhance reliability for critical applications, and potentially save costs associated with downtime and emergency repairs.
More information about the benefits of building backup molds.
-
Q How big parts can your machine mold?
A It can be as big as 1.2 meters by 1.2 meters by 1 meter. Maximum weight is 5kgs.
-
Q What type of finishing do you do?
A We do painting, shielding, pad printing, silk-screen printing, thermal transferring, and water graphic.
More about finishing.
-
Q Do you do electrical shielding paint for medical parts?
-
Q Do you handle final assembly and testing?
A Yes, we offer comprehensive final assembly services, including ultrasonic welding, thermal staking, adhesive bonding, components assembly, and testing to ensure product functionality and quality.
-
Q What's the mold polish standard?
A The Society of the Plastics Industry (SPI), now known as the Plastics Industry Association, established a standard for mold polishing and finishing that is widely recognized in the plastics industry. GoodTech MFG uses SPI mold polish standards to categorize the surface finish quality of molds used for plastic injection molding, which directly impacts the appearance and texture of the molded parts.
1. A Grade (Super High Polish)
2. B Grade (High Polish)
3. C Grade (Standard Commercial Polish)
-
Q What Factors Impact the Plastic Injection Molding Process?
A 1.Temperature Control: The control of barrel temperature, nozzle temperature, and mold temperature is crucial to the injection molding process.
2.Pressure Variables: Plasticizing pressure and injection pressure play a significant role in determining the quality and characteristics of the molded parts.
3.Cycle Timing: The production cycle, including the duration of each phase, is a critical factor in achieving desired results in plastic injection molding.
4.Mold Design and Quality: The design and quality of the mold and tooling used in the process are paramount for achieving precision and consistency in molding outcomes.
-
Q What are the important features and characteristics of a good molding machine?
A 1.Injection Unit:
Precision Control: The machine should offer precise control over injection speed, pressure, and volume to accommodate different materials and part specifications.
Injection Capacity: A range of injection capacities to handle various part sizes and shot volumes.
Screw Design: The injection screw design should match the material properties and the desired molding outcomes.
2.Clamping Unit:
Clamping Force: Adequate clamping force to securely hold the mold during injection.
Platen Size: Sufficient platen size to accommodate the mold and part dimensions.
Parallelism: Proper alignment and parallelism of the platens to ensure uniform clamping pressure.
3.Control System:
Intuitive Interface: A user-friendly interface with easy-to-use controls for setting parameters, monitoring processes, and making adjustments.
Closed-Loop Control: Advanced control systems that offer closed-loop feedback for temperature, pressure, and position control.
Process Monitoring: Real-time process monitoring and data logging capabilities for quality assurance.
4.Hydraulic System:
Efficiency: Energy-efficient hydraulic systems to minimize energy consumption.
Oil Filtration: Effective oil filtration and cooling systems to maintain hydraulic system integrity.
Noise Control: Low-noise hydraulic pumps and components for a quieter working environment.
5.Heating and Cooling:
Barrel and Nozzle Heating: Precise temperature control for the barrel and nozzle to accommodate different materials.
Mold Temperature Control: Integration with mold temperature control systems for consistent part quality.
6.Safety Features:
Safety Interlocks: Interlocks and safety mechanisms to protect operators from potential hazards.
Emergency Stop: Easily accessible emergency stop buttons for immediate shutdown in case of emergencies.
Safety Standards Compliance: Adherence to industry safety standards and regulations.
7.Robust Construction:
Frame and Base: Sturdy frame and base construction to minimize vibration and maintain machine stability.
Durability: High-quality materials and components for long-lasting performance.
-
Q What are the key factors of a good injection mold?
A 1.Design Precision: The mold's design must be accurate and precise to produce parts with the desired dimensions and features. This includes considerations for part geometry, cooling channels, gate placement, and venting.
2.Material Selection: Choosing the right material for the mold is critical. Typically, molds are made from tool steels or alloys that can withstand high temperatures and provide durability.
3.Surface Finish: A smooth and polished mold surface reduces the likelihood of defects and improves the appearance of the molded parts. Proper surface finishing techniques, like polishing and texturing, are essential.
4.Cooling System: Efficient cooling is crucial to control cycle times and ensure consistent part quality. Well-designed cooling channels within the mold help maintain uniform temperature distribution.
5.Gate and Runner Design: The placement and design of gates and runners affect material flow and part quality. Proper gate and runner design minimize waste and avoid defects like flash.
6.Ejector System: An effective ejector system ensures that molded parts are ejected cleanly and without damage. Properly designed ejector pins, sleeves, and lifters are essential components.
7.Venting: Adequate venting is necessary to allow air and gases to escape from the mold cavity during injection. Proper venting reduces the risk of defects like burns or voids in the parts.
8.Tolerance Control: Maintaining tight tolerances in mold manufacturing is critical to achieving consistent part dimensions and quality.
