DFM and Hardware
How to Read a Bottle Neck Finish Chart: T/E/I/S Dimensions, Thread Turns, and Pump Fit
Read a bottle neck finish chart, compare neck finish dimensions, and work through thread and sealing checks for a lotion pump dispenser.
TAGGED TOPIC9 Articles
#design-for-manufacturing
Curated design articles and technical guides tagged with #design-for-manufacturing.
DFM and Hardware
Design for Manufacturing and Assembly (DFMA): Minimum Part Count and Z-Axis Assembly Rules
Compare Design for Manufacturing and Assembly (DFMA) with single-part DFM using the three minimum-part-count criteria, Z-axis top-down assembly, and fastener elimination.
DFM and Hardware
What Is Design for Manufacturing (DFM)? Stage-Gate Checkpoints and Deliverables
Learn what Design for Manufacturing (DFM) is, how the five DFM principles prevent hardware failures, and which deliverables govern EVT, DVT, and PVT stage gates.
DFM and Hardware
Injection Moulding Design Guidelines: Wall Thickness, Rib Ratios, Boss Relief, and Texture Draft Tables
Quantitative injection moulding design guidelines covering polymer wall thickness and shrinkage, 0.40T-0.60T rib root ratios, volcano boss relief, and SPI/VDI 3400/Mold-Tech draft lookup tables.
DFM and Hardware
Kiosk Enclosures: Sheet Metal DFM, Thermal Airflow, and Service Access Architecture
Engineering guide to kiosk enclosures covering 14-16 ga sheet metal bend reliefs, PEM hardware, derated CFM thermal chimneys, NEMA 4X/IK10 sealing, ADA 308 reach, and 3D printing vs CNC machining.
DFM and Hardware
Mechanical Design Engineer Skills: A Student DFM Handover Before Tooling
Practice mechanical design engineer handover skills with a worked clearance stack, a sourced draft check, and the decisions a manufacturer needs before tooling.
DFM and Hardware
ALPLA Mono-Material Foam Pump: A Product-Design and DFM Reading
What ALPLA announced about its metal-free polypropylene foam pump, what a product designer can learn from it, and which claims still need checking before anyone relies on them.
DFM and Hardware
Aptar Novus Advance Pump: A Product-Design and DFM Reading
What Aptar announced about the Novus Advance full-polyolefin cosmetic pump, which claims carry conditions, what a designer can learn from it and what is still unconfirmed.
DFM and Hardware
Injection Molding Design Guidelines: Wall Thickness, Ribs and Draft
Injection molding design rules with sourced values: wall thickness by plastic, rib and boss proportions, draft angles, corner radii, a molder's tolerance and a pre-drawing checklist.