M/s R V Chumble

Since 1983

Knowledge Hub

Engineering Insights

Explore our comprehensive library of articles on vacuum forming techniques, material selection, and industry standards.

materials

Understanding ABS vs. HIPS in Vacuum Forming

A comprehensive deep dive into the differences between Acrylonitrile Butadiene Styrene (ABS) and High Impact Polystyrene (HIPS), helping you select the right thermoplastic for your manufacturing needs.

5 min read
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industries

FAR 25.853 Compliance: Flame Retardant Plastics in Aerospace

Learn about the stringent FAA regulations for aircraft interiors and the specialized thermoplastics like Kydex and Ultem used to meet FAR 25.853 compliance.

6 min read
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design tips

Overcoming Webbing and Thinning in Deep Draw Vacuum Forming

A technical guide to preventing common manufacturing defects like webbing and wall thinning when vacuum forming parts with deep draws or complex geometries.

4 min read
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vacuum forming

Aluminum vs. Epoxy Tooling: Making the Right Choice

A cost-benefit analysis of cast aluminum, machined aluminum, and high-temp epoxy molds for vacuum forming.

7 min read
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packaging

Designing Returnable Transit Packaging (RTP)

How custom heavy-gauge vacuum formed trays optimize global supply chains and replace disposable cardboard dunnage.

5 min read
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thermoforming

The 5-Axis CNC Trimming Process Explained

Why vacuum forming doesn't end when the part leaves the mold, and how 5-axis CNC routing ensures perfect final dimensions.

6 min read
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industries

Medical Device Housings: Standards and Sterilization

Engineering vacuum formed enclosures for the healthcare sector, focusing on biocompatibility, chemical resistance, and ISO 13485.

5 min read
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thermoforming

Twin-Sheet Thermoforming: Creating Hollow Structures

An advanced look at twin-sheet forming, a process used to create incredibly strong, hollow plastic components like air ducts and surfboards.

6 min read
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design tips

Draft Angles in Mold Design

Why draft angles are the most critical aspect of vacuum forming mold design, and how to calculate them correctly.

4 min read
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