Basic Injection Mold Types   The most common injection mold types which used in E-Mold: two-plate mold; three-plate mold; hot-runner mold.   1. Two-Plate Mold A two-plate mold consists of two plates with the cavity and cores mounted in either plate. The plates are fastened to the press platens. The moving half of the...read more

Hard-coat with Teflon (MIL-A-63576A)     The main purposes of hard anodizing is to make the aluminum more resistant to corrosion. The PTFE(Polytetrafluoroethylene) coating is typically far thicker and harder than normal anodizing.   Types of PTEF coating: The anodic coating to be impregnated or coated shall meet the...read more

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— Special Processing of Precision Mold & Rapid tooling in E-Mold Rapid Manufacturing   1. EDM   Electrical discharge machining process is: between the tool and workpiece continually occur pulsed spark discharges producing local, transient high temperature, which keeps the metal melting, gasifying and removing. Sparks...read more

There is a noticeable trend towards the use of aluminium alloys for medium- to high- volume production in recently years.   The principal advantages of this material are: 1. It costs less than steel. 2. It has good machineabilty: it machines up to 5–10 times faster than steel. 3. Distortion from machining is minimal compared to...read more

Stamping mold is the process to exert pressure on the blank so that the blank will undergo steel transformation or separation to produce workpieces with fixed sizes, shapes and properties, stamping process can be divided into separating and forming.   Common stamping process   1. Separating Process Process    ...read more

Below specification defines E-mold acceptance criteria of cosmetic inspection.   Classification on product surfaces. Class 1 Surface: Visible "ofter" by user. Class 2 Surface: Visible occasionlly or likely to be seen by user. Class 3 Surface: Normally not visible or only visible during installation.   1. Acceptance...read more

Injection molding is principally used for the production of thermoplastic parts, although some progress has been made in developing a method for injection molding some thermosetting materials. The problem of injecting a melted plastic into a mold cavity from a reservoir of melted material has been extremely difficult to solve for thermosetting plastics...read more

A complete stamping press tool for cutting two holes in work material at one stroke of the press is shown in Figure 1. Its type is a single-station piercing stamping mold.   Any complete stamping press tool, consisting of a pair(or a combination of pairs) of mating members for producing stamped parts, including all supporting and actuating...read more

The parts of an injection mold are divided into the following categories based on their different functions. a) Mold closing state  b) Mold opening state 1-Moving half of a mold; 2-Fixed half of a mold; 3-Cooling channel; 4-Clamping plate of the fixed half; 5-Locating ring; 6-Sprue bush; 7- Punch; 8-Guide pillar; 9-Guide...read more