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Plastics Design Resources

• Engineering Design For Manufacturability Handbook and Reference Manual
• Common Plastic Molding Design Material Specification Common plastics engineering properties and thier applications
• CNC Machining Plastics Review Machining plastics with manual or CNC controlled milling machines
• Dip Molding Review Dip Molding is the process where a heated form or pattern is dipped into a heated or ambient temperature material.
• Engineering Properties of Plastic Materials
• Plastic Extrusion Design and Manufacturing Review There are many shapes and geometries that are possible when using plastic extrusion.
• Injection Molding Design Guide Part design should include draft features (angled surfaces) to facilitate removal from the mold.
• Injection Molding Process Review Utilizes a ram or screw-type plunger to force molten plastic material into a mold cavity
• Injection Molding Applications Most polymers may be used, including all thermoplastics, some thermosets, and some elastomers.
• Injection Molding Design Considerations Use approximately uniform wall thickness throughout your designs.
• Injection Molding Machines and Equipment They are also known as presses, they hold the molds in which the components are shaped.
• Injection Molding Molds & Tooling Traditionally, molds have been expensive to manufacture.
• Injection Molding Molds & Tooling Design The mold consists of two primary components, the injection mold (A plate) and the ejector mold (B plate)
• Injection Molding Geometry Capability Mold consists of two primary components, the injection mold (A plate) and the ejector mold (B plate).
• Injection Molding Molds Tooling and Machining Cost Molds are built through two main methods: standard machining and EDM.
• Injection Molding Process Types Different types of injection molding processes
• Injection Molding Process Trouble Shooting Optimal process settings are critical to influencing the cost, quality, and productivity of plastic injection molding.
• Injection Molding Mechanical Tolerances Molding tolerance is a specified allowance on the deviation in parameters such as dimensions, weights, shapes, or angles
• Injection Molding Inserts Metal inserts can be also be injection molded into the work piece.
• Machining & Grinding Plastics Review Thermoplastics are low strength and hardness type materials that permits high machining cutting speeds and feeds
• Plastic Component Design to Manufacturing Review Prototyping the Design for testing and modification.
• Plastic Molding Design Guidelines Designing With Plastic Design Considerations
• Plastic Thermoform Design Guidelines Thermoforming is a method of forming plastic parts with applied heat and a form
• Plastic Terms and Definitions Definitions realted to plastics industry, materials and manufacturing.
• Plastic Piping Definitions and Terms Plastic Piping Definitions
• Plastic Materials Properties for Engineering Design Premium Membership Required to view Document/Book
• Polyurethane Sheet and Sheeting Application

3D Plastics Printing

• 3D Printing with ABS (Acrylonitrile Butadiene Styrene) Thermoplastic
• Bonding 3D Printed ABS Parts
• ABS Plastic Filament Enginereing Materials
• 3D Printing with PLA Filament
• Polymers Review Polymers are the raw materials (the resins) used to make what we commonly call plastics.
• RIM Molding - Reaction Injection Molding Reaction Injection Molding Review
• Rapid Prototype General Rapid Prototype Manufacturing Review
• 3D CAD File Conversion STL (STereoLithography) is a file format native to the stereolithography CAD software created
• Materials & Resolution SLA Review and Engineering Material Properties
• Thermoforming Plastics and Plastics Materials Plastics materials that are commonly used in the Thermoforming process.

Rapid Prototype

• Advantages Custom Cast Urethane Urethanes may be cast with fiber or glass reinforcement material to enhance the load, flexure and EMI characteristics
• Cast Polyurethane Parts Design and Application Polyurethane may be cast into practically any shape, size or complex geometry desired
• Custom Molded Urethane Products Urethane is an excellent material which exhibits high abrasion resistance and can outperform other e nginereing materials
• Thermoplastic Peek Review PolyEtherEtherKetone or PEEK
• Polyurethane Sheet and Sheeting Application Polyurethane sheets and sheeting is an elastometric material available in many standard sizes
• Polyurethane Rollers Polyurethane Rollers used in applications requiring resistance to high temperatures, tear and abrasion resistance.
• Urethane Replacement Parts and Components Urethane has very good chemical resistance to most solvents, chemicals, aliphatic based oils, and greases.
• Urethane Sheet and Sheeting Application Standards associated with the definition of performance properties of Urethane cast sheet.
• Urethane Rollers Urethane rollers are typically manufactured using a cast or mold process over the desired bushing or core.

Analysis - Calculators

• Snap Fit Tapered Finger Stress Application Calculates the Dynamic Strain of a tapered cantilevered flexing finger typically used in plastic snap fit type designs.
• Snap Fit Straight Finger Stress Application Straight beam dynamic strain equation and calculator
• Plastic Post and Hub Press Fit Equations / Calc. Press fits can be used with similar or dissimilar materials and can eliminate screws, metal inserts, adhesives, etc.
• Plastic Screw Design Equations and Calculator Theoretical equations to calculate the strength of plastic screwed joints.
• Design Solutions Guide Injection Molding Plastics Premium Mebership Required
• Tapered Snap Fit Beam Bending Equation and Calculator Deflection equation and calculator for a tapered beam used in typical plastics design
• Plastic Spur Gearing Rated Design Hp, Operating Stress Equations and Calculator
• Helical Plastic Gears Rated Design Hp, Operating Stress Equations and Calculator 
• Injection Molding Plastic Part Cost Estimator Excel Spreadsheet Calculator