Metal Parts Products Manufacturers at China

Metal Parts Products —Stamping & CNC Machining Manufacturers

Metal Parts Product Manufacturing Professional Terminology

Metal Parts Product Manufacturing Professional Terminology

•    Family Mold
A multi-cavity mold that creates two or more dissimilar parts for a single assembly.

•    Fixture
A clamp, vise or other device to hold a workpiece securely while it is being machined.

•    Forced Ejection
Ejecting a finished part from a stamping mold tool using undercuts instead of ejector pins.

•    G-Code
Digital instructions, usually derived from a 3D CAD parts file, which control the precise tool path, speed and other customized parameters of CNC equipment.

•    GD&T
Metal parts Geometric Dimension and Tolerance. This is the industry-standard symbolic language for annotating physical features and allowable variations on engineering drawings.

•    Handload
A manually placed and removed component to allow the molding of undercuts in a stamping parts mold tool.

•    Heel Block
An angled face that engages Metal parts with a matching angle on the back of a sliding core to hold it in place.

•    Height Gauge
Metal parts measuring device used to determine the height of a feature relative to a flat, horizontal surface plate.

•    Hot Sprue
A heated, tapered hole in a powder metallurgy mold tool that allows material to flow directly from the machine nozzle into the mold cavity.

•    Hydraulic Cores
Sliding cores in powder metallurgy mold tools that are actuated with hydraulic power. Compare to manual sliders.

•    IGES
Acronym for Initial Graphics Exchange Specification. This is a CAD file format for 3D data.

•    In Mold Labeling
Date stamps, material codes or other information applied to a part during the molding process via customized molding inserts.

•    Infill
During additive manufacturing, infill is additional material added between layers to fill any gaps or voids left by the printing process.

•    Insert Molding
Powder metallurgy molding around the circumference of a metal insert.

•    ISO
International Standards Organization.

•    Jetting
An powder metallurgy defect that causes snake-like lines on the surface of a molding. Often caused when material leaves a smaller gate at high velocity directly into a thick section of the part or cavity.

•    Lathe
Machine tool for creating round profiles and cavities with concentric or rotational features.

•    Line of Draw
Main direction of motion for opening/closing the halves of a casting or stamping mold tool.

•    Live Tooling
Rotating cutting tools mounted in a lathe or turn mill tool turret for CNC machining.

•    Living Hinge
A plastic hinge formed by exploiting the ability of some plastics to bend repeatedly without breaking.

•    M-Code
Machine language for programming auxiliary functions in CNC machine tools. See also G-Code.

•    Master Batch
Heavily pigmented plastic resin used to add color for metal parts.

•    Melt Temperature
Temperature at which Powder metallurgy achieves a liquid or molten state and can therefore be molded.

•    Metal Safe
Deliberately making some high-precision metal parts in mold tools oversized, so they can later be machined down to final dimensions.

•    Micrometer
Precise measuring tool providing graduated measurements calibrated in microns.

•    Mill Turn
A lathe that is fitted with live tooling enabling milling operations to be carried out on turned components.

•    Mold Base
Custom core/cavity mold tools are made to fit inside of a mold base, which in turn is placed inside a stamping parts molding machine.

•    Mold Locks
Precision machined tapered features on mold tools with male and female halves.

•    Mold Temperature
Optimum temperature of a powder metallurgy die tool based on the resin compound being molded.

•    Molding Cycle
A molding cycle is composed of the following steps: Close, Inject, Pack, Cool, Open, Eject and Close.

•    Multi Cavity
A pressure die casting or stamping die tool with multiple cavities, for creating more than one part in a given cycle.

•    Nominal
Of or pertaining to the precise numerical value of a dimension. Usually taken as the Metal parts reference dimension from which allowable deviation must be made in most processes.
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