Stage A: Early stage of the thermosetting reaction. At this stage, the raw material is still a linear structure, soluble in some liquids, can melt. (See stage B and C)

Abrasion resistance: The ability to resist surface abrasion. This term is commonly used to refer to the wear resistance of foundry models to foundry sand.

Abrasive: Any substance used for grinding, such as abrasive, abrasive or sandblasting. Precision mold processing

Absorption: from one substance to another substance.

Accelerator: An additive used to accelerate chemical reactions. Adding it to the thermosetting reaction process can reduce the hardening or curing time.

Adhesion: A state in which two surfaces are tightly connected by interfacial tension. Interfacial tension may include price, interlocking reactions, or both.

Binder: A substance that binds two surfaces together. Most plastic processing resin compounds are better adhesives.

Aging: Under certain conditions, with the passage of time, the raw material characteristics of the occurrence of enhanced or weak changes.

Heat treatment: A process that fixes it at a temperature lower than the melting point of the starting material to relieve the pressure without distortion. Heat treatment commonly used in model products or thermoformed products.

Assembled formwork: A tool used to properly locate and secure detailed components to other components during assembly operations.

Formwork frame: Used to inspect or coordinate formwork, parts or components. It specifies the outline, lines and perforation patterns.

Autoclave: Used for chemical reaction under high temperature and pressure containers. Often used to bond honeycomb reinforced plastic parts.

Stage B: The middle stage of the thermosetting reaction. At this stage, the raw material softens when heated and swells upon contact with water but can not completely melt or dissolve.

Reverse draft: A taper or slope that prevents the plastic or plastic part from disengaging from the mold.

Band Saw: A steel belt around the pulley.

Crimping: Semi-circular cavities or protrusions on the formwork or model that are dictated by the use.

Blanking Die: Cutting die for removal of sheet metal blanks of a predefined model or profile on a mobile press.

Venting: A cloth (usually cotton or fiberglass cloth) placed on a sheet prior to placing the vacuum bag, which can be vented as air and other gases.

Blister: A protrusion on the surface of a laminate that resembles blisters on human skin. It may be caused by insufficient resin, insufficient cure, or residual air, moisture, or solvent vapors.

(Verb): (verb) with a binder to bond the two materials together;

(Noun) The use of adhesives to bond the two raw materials.

Bonding strength: The unit load required to break the bond between the two raw material bonding surfaces.

Boss: Uplift on plastic or plastic formwork to enhance strength, ease of part adjustment during assembly, ease of coupling, and more.

Bushing: A sleeve that is placed inside a metal mold frame to enhance wear resistance, usually of metal, for example, a drill collar, a locating pin bushing.

Stage C: The final stage of the thermosetting reaction. At this stage, the raw material neither dissolves nor melts, and the thermoset becomes completely cured.

Casting (type): (verb) Pour the catalytic resin into the mold to harden it to make the plastic formwork or part.

(Noun) Finished product of casting operation.

Cast Resin: A resin compound that can be poured into a cavity of a mold cavity in a liquid state to make a plastic formwork or part.

Catalyst: A chemical that accelerates the polymerization or solidification of resin compounds.

Cavity: Depression inside the mold.

Centipoise: One hundredth of a meter. The unit used by the National Bureau of Standards to measure the viscosity of a liquid. The viscosity of water is one poise at room temperature.

Inspection device: A tool used to inspect the contour of a product part, usually an epoxy laminate mold.

Plywood: The mold frame, sand box, core box and other components connected together.

Embossing: a formwork that impresses on a flat surface, for example, molded medals and badges.

(Direct) Die: A die holder that is open when material is injected and that shapes the material by the temperature and pressure of the closure.

Compression Molding: A method of thermoforming by placing the molding compound in an open mold cavity and closing the mold base where the temperature and pressure (downward movement impact) act until the material cures.

Compressive Strength: The yield strength of the material under compression, expressed in pounds per square inch. It is the standard load on the plane.

Cooling device: A device used to place molded products after the molded product is detached from the mold. It retains the original shape of the molded product until the molded product cools to such an extent that it will not deform without support.

Coat: sand, mold or model upper or top part.

Core: Cast into a separate part of the mold frame, usually made of mold sand, used to form metal castings and cavities.

Core box: the core of the box.

Anilox: fine lines that expand in the form of a net on or under the surface of a plastic formwork or part. Anilox may be due to exposure to organic liquids or water vapor or mechanical stress.

Plastic deformation: After the initial elastic deformation, raw materials under pressure in the size of the changes occurred over time. Plastic deformation at room temperature is sometimes referred to as "cold deformation."

Curing: Through the chemical reaction, the physical properties of raw materials changes.

Deflection temperature: The temperature at which a particular deflection of a plastic material occurs at a given load. In plastics processing, the deflection temperature generally refers to the temperature at which the stock deflects 0.10 inches at a load of 264 pounds per square inch.

Stratification: The separation of layers in a laminate due to the lack of adhesives or laminating resins.

Density: The weight per unit volume of a substance, usually expressed in grams per cubic centimeter or pounds per cubic foot.

Draft taper: The taper on the vertical plane of the model that facilitates detachment of the part from the die.

Undercut: Part of the mold base or lower or bottom of the mold.

Molds: Molds that will be made from swaged flat or metal parts of the product. Molds are often used to form cups, boxes, hats and plates.

Drilling device: A device for placing and fixing product components during drilling operations.

Elasticity: A material property that, when deformed, restores its original size and shape.

Synthetic rubber: A raw material that can be stretched at least twice under low pressure at room temperature and quickly returned to its original length once it is released.

Electroforming mold frame: In the cavity model on the back, made of plated metal mold.

Elongation: the material in the stretched state in the length of the fractional growth, commonly expressed as a percentage.

Exothermic curve: (1) Temperature / time curve in exothermic chemical reaction, especially in casting resin polymerization; (2) Exothermic.

Production: Processing, lamination, coupling, casting, sculpture, shaping, etc. into the finished product shape.

Negative mold: In the mold terminology, the mold on the serrated half, it is to accommodate the protruding or male mold.

Filler: A cheap, neutral substance added to plastic to reduce its cost. Fillers can also improve physical properties such as hardness, abrasion resistance and impact strength.

Fillet: A radiating connection at the point where two surfaces come into contact. An annular fillet between the inner corners of the two mold carrier surfaces.

Edge remnant: Excess plastic along the parting line of the molded part, which must be removed before finishing the part.

Sand type: the mold making sand mold casting metal containers.

Flange Locating Pins: When the model is removed, ensure that the upper and lower headers are aligned in a straight line.

Casting soft mold frame: Made of rubber or synthetic rubber used to mold plastic parts mold. The mold can be extended to remove the cured part along the recessed portion of the side of the casting.

Flexural Strength: The strength at which the material is bent, expressed as the tensile stress at the bending of the outermost fibers in the flexural specimen, measured in pounds per square inch.

Forming mold: For the rod, angle, extrusion and other metal materials into a predetermined shape of the mold.

Fracture: A crack on the surface without complete separation of the part.

Gel coat: A special resin compound applied to the surface of a formwork or mold. Excess resin is cast or laminated to the gel coat. When cured, the gel coat becomes the surface of the formwork or part.

Gel Time: The amount of minutes required for a given amount of catalytic resin to become non-processable at room temperature.

Sheathing: Includes thin layers of synthetic plastic, such as silicone RTV or polyurethane, and cast soft frame supported by a rigid shell for casting dies with complex patterns or undercuts.

Drop hammer: A combination of a punch and a die used in a drop hammer for forming sheet metal parts.

Hardener: A chemical added to a thermoset to accelerate or control the curing reaction.

Hardness: plastic compression and printing pressure resistance. (See Shore hardness)

Hydraulics: A device that transfers heat and pressure from one place to another through the pressure and flow of liquids (such as water and oil).

Hydrophobic: Curing can occur on contact with water.

Hydraulic press impression: A positive formwork used to secure a sheet metal blank and control its shape during hydraulic operation.

Moisture: The tendency to absorb moisture.

Impact strength: the ability of the material to withstand vibrations or impacts.

Permeation: Permeation of liquids into porous or fibrous materials, such as during lamination.

Injection molding: a special machine to melt the solid plastic particles and liquid plastic flow into the mold to form the mold cavity shape of the process. Fix the plastic under pressure until it cools and becomes solid.

Injection Molding Mold Stand: A mold or mold used in the injection molding process to form the shape of the molded part.

The overall heating mold: with a heating element embedded in the mold, can produce their own heat, commonly used in bonded assembly mold, mandrel mandrel, matt molding and thermoforming mold.

Junction: a layer of adhesive to connect the two parts together.

(For mold base) Zinc alloy: Alloy of aluminum and zinc that is used as the mold core for casting epoxy metal. It is also used to make direct compression molds and forming molds.

Laminated Plastics: Plastic materials that include an overlay of resin impregnated fabric or fiber.

Laminate resin: A liquid resin compound used to fill a fiberglass cloth during the fabrication of the laminate structure.

Coated mandrel: is a permanent formwork, on which plastic parts are laminated or wrapped.

Traces: Notches or marks on the surface of the forming part or molded part. It is the same as the defects and imperfections found on the formwork or mold surfaces used to make the product part.

Standard formwork: This refers to a full-size, three-dimensional object that shapes the complete surface or interior of a component or device, as specified in the project drawings. It includes all the references given in the project drawings, fine-tuning lines, drilled holes and other relevant information.

Model: Slang, if used properly, has the same meaning as a standard formwork.

Formwork: A 3D image of a part or assembly, but not necessarily full-size. Formworks are used to study design evolution and market research. This term is often confused with standard formwork.

Mold: A cavity or shape that holds a plastic compound and shapes it.

Parting agent: A liquid or powder lubricant that prevents the plastic part from adhering to the formwork and allowing the part to be easily removed from the mold.

Normal Consistency: The amount of water required to formulate 100 parts of gypsum on a weight basis and achieve the standard flow, expressed as an integer.

Organic: Carbon-related, not including carbonates and carbonate oxides.

Release agent: Lubricant coated on the formwork, such as wax, grease or film, is used to prevent the plastic part from adhering to the formwork and to facilitate the detachment of the part from the formwork.

Parting line: molding or casting, the end of the two parts of the mold at the junction mark.

Paste-like adhesives: High-density, thixotropic adhesive compounds.

Model: A three-dimensional image based on the size of the part or the reduced size.

Peel Strength: Adhesive strength per inch of thickness obtained by separating two adjacent sheet layers and recording their adhesive strength values.

Depression: A pit on the surface of a plastic part, usually of equal width and depth.

Gypsum: A powdered material from mineral gypsum that mixes with water and can harden into a solid, hard, rocky object.

Die Casting: A method of casting liquid resin under pressure into the mold cavity. This technique is often used to make formwork with complex patterns.

Prototype: Original size handmade 3D image of finished product or part. It is a full-function model, the material used to construct the prototype is the same as the one used to produce the product.

Reinforcement: A non-chemically resistant, hard material that bonds to plastic parts to increase strength, hardness, and / or impact resistance.

Planing unit: A tool that guides the planing tool when the product part is adjusted using a planing tool. This unit locates and controls the product components and guides the router.

Sandwich: A layered structure of rigid, lightweight panels composed of veneers glued to thick, lightweight cores.

Solidification: Through the chemical reaction, so that the thermosetting resin to solidified or hardened state.

Forming Apparatus: A tool used to position and control product parts during forming operations.

Law of Shrinkage: Rules for model makers to make room for metal shrinkage (casting).

Specific gravity: The ratio of the density of a substance (amount per unit volume) to the density of water at standard temperature.

Spline operation: The resin or plaster is processed with a flat tool to make the ideal profile on the surface. This process is also called leveling or shaping.

Jet lamination method: making laminated plastic mechanization process. Mechanical means are used to spray the catalyzed resin and the ground glass fiber strands onto the formwork or mold.

Injection Template: A mold holder used to shield parts of the paint during painting.

Inlet: The raw material into the cavity opening.

Inlet - Vents Casting: A method of casting liquid resin down the hose (injection port) into the very bottom of the mold cavity. Residual air can drain along the holes (vents) in the core. This method is generally used to cast plastic surfaces on a mold base with a metal or wood core.

Steel rule: A two-piece formwork consisting of a press and a module with a fractionation column tray for punching and piercing thin parts.

Stretch Forming Die: Stretch the formwork or model on the forming machine where the sheet metal is ideally contoured.

Non-tacky: a condition during the curing process in which case the catalyzed resin has gelled but can still be used. Surface contact leaves imprints on the resin surface but does not adhere to the contact media.

Tensile Strength: The force required to break a particular sample in pounds per square inch.

Thermal conductivity: The ability of a substance to conduct heat.

Thermal Expansion (Coefficient): The change in the fraction of the length of the raw material over the change in temperature, expressed in inches per inch per degree Celsius.

Thermoform: The process of forming a thermoplastic sheet by heating the sheet and pulling it onto the surface of the mold, usually by means of a vacuum.

Thermoplastic: (adjective) Repeatedly softened by heating, ability to repeatedly heat up by cooling; (noun) Repeatedly softened by heating,