Many Processes Of Plastic Parts Production

When it comes to plastic part production, injection molding is among the least expensive processes available. Due to the initial investment of the mold, return on investment should be an important consideration when making the decision on what type of part manufacturing process to use.
Part Manufacturing Considerations:
Part manufacturing volume is a major consideration. If you anticipate needing lower volumes in the tens or perhaps even hundreds of parts per year, plastic injection molding may not be for you. You should also consider other part manufacturing processes such as fabrication, polymer casting, 3D printing, or vacuum/thermo-forming, depending on the geometry of the part.
However, if you do anticipate larger part manufacturing quantities that would justify the initial investment of an injection mold, you must also consider the shape of the part when determining what process to use. Below is a rundown of various plastic part manufacturing processes and the geometry that best suits them
Part Manufacturing Processes:
Injection Molding: A part with relatively consistent wall thickness, and no internal voids.
Blow Molding: Think of a balloon being dangled inside of a cavity, injected with air, and formed in the shape of the cavity. Bottles, Jugs, Balls. Anything small with an internal void.
Vacuum (Thermo) Forming: Somewhat interchangeable with injection molding, this process starts with a sheet of heated plastic, and is vacuumed onto a form and cooled to create the desired shape. Packaging clamshells, lids, trays, blisters, as well as vehicle door and dash panels, refrigerator liners, utility vehicle beds, and plastic pallets.
Rotational Molding: Larger parts with internal voids. A slow but relatively efficient way to manufacture smaller quantities of large parts such as gas cans, oil tanks, bins and refuse containers, boat hulls.
Fabrication: Used for smaller quantities of parts due to high labor costs, this process usually involves cutting and gluing sheet stock to match your specifications.
Plastic Part Manufacturing Experts
If you think injection molding might be the right process for your project, feel free to contact us for a free quote or visit our website:jweimolding.com

How CNC Machining Works and Will Benefit Your Production Process

The cost of building a quality stainless-steel mold tool usually constitutes the most significant financial investment in the plastic injection molding process. The cost and quality of manufactured parts rely on the accuracy and speed at which they’re produced. Industrial manufacturing uses plastic injection molding to keep material costs down while maintaining the capability for high-level production. The key concept is accuracy, especially for industries that require intricate or complex parts.
To ensure precision, high tolerances, quality, and long-term durability, manufacturers must use impeccable machine tools. You can build high-quality molds using CNC machining, a process which removes metal accurately.
What Is CNC Machining?

Manufacturers create the high degree of precision using computer numerical control (CNC), replacing manually operated machines, vertical millers, and lathes with a centralized, automated system. CNC machines convert computer-aided design (CAD) models into mass-produced parts with as little as .0001 variation between parts. They operate via advanced manufacturing technology, removing material from a solid block using a variety of cutting tools to achieve the intended design.It’s essential to ace the mold tool design process. The higher the precision and mass-production required, the more complex the tooling can become.
There are three basic types of CNC machining:
Milling: This process mounts the part onto a bed and removes material using rotational cutting tools, creating products in a wide variety of shapes
Turning: This process mounts the part on a rotating chuck and removes material using stationary cutting tools, creating axially symmetric end products
EDM: This process uses controlled electrical discharge to obtain the desired shape
CNC machining operates with many common materials including:
Aluminum
Stainless steel
Brass
Other types of metals
Benefits of CNC Machining

The cost of building a quality stainless-steel mold tool usually constitutes the most significant financial investment in the plastic injection molding process. Because millions of plastic parts are ultimately going to be manufactured through those molds, it is important to ensure the reliability and accuracy of the mold up front in order to not have inaccuracies and faults over time.
Using CNC machining to manufacture molds has many advantages that benefit the end user:

• Requires few steps to produce parts, resulting in high efficiency
• The process is more precise than manual machining and can be repeated in the same manner over and over again
• Provides the ability to produce complex shapes with a high level of precision
• Operates with advanced CAD software to produce outputs and multiple functions that cannot manually be replicated
• Fully automated systems mean that the operator is not exposed to safety risks

Bring Your Custom plastic injection mold/molding Project to The JW industry ,we have access to resources that help reduce production costs even further. We proudly offer a total concept solution from design and tooling to material selection, production, and fulfillment .Contact us today to request a free quote and find out how our industry experience and expertise will benefit you with your next project.