Many sheet metal fabrication problems begin before production starts. Incomplete drawings, unclear tolerances, unsuitable material choices and unverified finishing requirements can lead to dimensional errors, assembly problems or visible surface defects later in the process. This guide explains common sheet metal fabrication issues, why they happen and...read more

Sheet metal fabrication begins with flat metal stock and transforms it into functional parts through a sequence of design review, cutting, bending, forming, finishing and inspection steps. The final process depends on the material, sheet thickness, part geometry, required tolerances, production volume and intended application. This guide explains how...read more

Choosing a sheet metal fabrication supplier involves more than comparing unit prices. Buyers also need to evaluate material suitability, part geometry, bend requirements, dimensional tolerances, surface finishing, production volume, inspection methods and project communication. A supplier that is suitable for a simple prototype may not be the right choice...read more

CNC machining can produce accurate parts, but good results are not automatic. Many quality problems happen before the machine ever starts cutting, usually because of unclear drawings, unrealistic tolerances, weak material choices, or incomplete communication between the buyer and the supplier. For purchasing teams, engineers, and product developers,...read more

How CNC Machining Works for Custom Parts and Prototypes CNC machining is one of the most widely used methods for turning digital designs into physical parts with stable dimensions and repeatable quality. For buyers who need custom parts, prototype components, or short-run production, it provides a practical way to move from CAD files to usable hardware...read more

Opening Summary Choosing the right CNC machining service is not only about finding a supplier with machines. It is about matching part complexity, material needs, tolerance requirements, lead time, and production volume with a manufacturing partner that can actually deliver stable results. For buyers of custom parts, OEM components, and...read more

  Steel and Cast iron are the most common ferrous metals in general use.     1. Steel   There are two general kinds of steel, carbon steel and alloy steel.     1.1 Carbon Steel   Carbon Steel are classified according to the percentage of carbon they contain.   a. Low carbon...read more

  Additives are usually added into polymers to modify and improve certain characteristics, such as stiffness, strength, color, weatherability, flammability, arc resistance for electrical applications, and ease of subsequent processing. These additives are described below:     1. Fillers Fillers are particles added to plastics to...read more

  The injection parts stick to the mold, making it rather difficult for ejection.   Below are some reasons that caused the issue: 1. Too much injection materials. 2. Overhigh injection pressure, overlarge dwell pressure and overlong dwell time. 3. Overhigh melt temperature. 4. Overhigh mold temperature. 5. Incorrect design...read more

  Injection molds have a limited service life, appropriate measure can greatly extend this. Here share the methods which E-Mold used to cleaning, maintenance and storage of our customer's injection molds.   1. Cleaning and Maintenance of Heating and Cooling Channel Heating and cooling channels must be cleaned thoroughly to...read more