JLCCNC Blog

Sheet Metal Fabrication

Sheet Metal Enclosure Design: Complete Guide to Materials, Thickness, and Manufacturing

What Is a Sheet Metal Enclosure Design (AI generated) Technician holding an open sheet metal enclosure box with internal mounting features inside a modern fabrication workshop. An enclosure is essentially the protective chassis for a system’s sensitive internals. Fabricators take flat sheet stock, cut and bend it, and then assemble a rigid housing to keep PCBs, drives, and wiring safe from environmental factors like dust or vibration. These boxes are functional parts of the electrical design. They han......

Mar 21, 2026

Manufacturing Solutions

Rapid Prototyping Guide: Processes Compared and How to Choose the Right Method for Manufacturing

What Is Rapid Prototyping (AI generated) Various rapid prototyping parts including 3D printed, CNC machined, and sheet metal components on a workshop table. Rapid prototyping is a manufacturing approach that produces physical parts directly from CAD data within hours or days, enabling engineers to quickly validate design, fit, and function before full-scale production. Modern shops use several methods under this umbrella. 3D printing, CNC machining, and sheet processes all fall into the rapid prototyp......

Mar 20, 2026

Manufacturing Solutions

Sheet Metal Prototype: Design Tips, Lead Times, and Cost Factors

Sheet metal prototyping is used to produce early-stage metal parts. It allows engineers to test form, fit, and assembly before getting into full production. It is typically applied when designs involve bent features, intricate cut features, and assembled components that must be validated under actual manufacturing conditions. Manufacturers typically use standard fabrication techniques. These include precision laser cutting, bending, and joining. Prototypes can usually be produced within a few days rat......

Mar 19, 2026

Sheet Metal Fabrication

What Is Bead Blasting? Process, Texture, and Finish Explained

What Is Bead Blasting (AI generated) Technician performing bead blasting on a CNC machined aluminum part inside a blasting cabinet creating a matte bead blast finish. Definition and Purpose Machined metal parts rarely leave the machine with a clean surface. Tool marks remain. The surface reflects light unevenly. Edges may feel rough when you handle the part. Bead blasting is commonly used to address these surface issues. It is a surface finishing process where you propel small spherical media, usually......

Mar 19, 2026

Sheet Metal Fabrication

Sheet Metal Hemming: Types, Process, and Hem Flange Design

What Is Sheet Metal Hemming? (AI generated) Close‑up of an engineer using calipers to measure the hem flange on a sheet metal panel in a fabrication shop. If you work with thin metal parts, raw cut edges can create real problems. They remain sharp, bend easily, and often interfere with safe handling and smooth assembly. Sheet metal hemming solves this by folding the edge of a sheet back onto itself in a controlled forming process. The result is a compact hem flange that removes exposed sharp edges, in......

Mar 18, 2026

Manufacturing Solutions

CNC Rapid Prototyping: Cost, Lead Time, Design Tips & Machining Service

A prototype usually answers questions that a drawing cannot. It shows whether two parts actually fit together. It can reveal if a wall is too thin to machine reliably, or if a feature that looked acceptable on screen creates trouble once the part is made. Prototype machining becomes useful at this stage. Instead of reviewing the design in theory, teams can inspect an actual part. This allows them to decide what needs to change before the project moves further. In many cases, rapid CNC prototyping is c......

Oct 25, 2025