die casting terms and definitions - plunger tips aluminum die casting
Terms and Definitions of Cast (
For reference onlyUncontrolled)
During a period of time after casting, the metallurgical structure of the alloy has changed, which affects the performance and size.
Heating accelerates aging.
A substance of a metal nature consisting of two or more chemical elements, at least one of which is metal.
The properties of the alloy are usually different from those of the alloy elements.
In the plating bath where metal ions are formed, negative ions are discharged, or other oxidation reactions occur, the electrode is oxidized.
Anode metal any metal that tends to dissolve, corrosion, or oxidation, takes precedence over another metal when the metal is electrically connected in the presence of an electrolyte.
The anode is oxidized to treat the metal as the anode of the battery for electrolysis in order to cover with a protective or decorative film.
Casting conditions for castings that have not been completed (
Except for the gate or sandblasting)
Or any type of treatment including post-casting heat treatment.
Atmospheric corrosion surface corrosion caused by gas or liquid exposed to corrosive metals.
Batch processing of barrel plating of workpiece in rotating container.
The excess metal left by the end of the injection cylinder of the cold chamber machine, formed at the end of the piston stroke, also known as the plug-like body.
Blisoft surface defects or eruptions caused by gas expansion are usually caused by the heating capture gas inside the casting or under gold plating on the casting.
In the process of heavy cross section solidification, air holes or holes that may appear due to closed air or contraction.
Bright FinishA finish with non uniform
Oriented smooth surface with high long-term reflection.
Buffer the smoothness of the surface by rotating the Flex, when fine grinding particles are applied to liquid suspension sion, paste, or grease --stick form. Cass Test(
Copper accelerated salt spray)
Accelerated corrosion test of electroplating substrate (&_STM 369-68)
The weight of the casting weight the weight of the casting or the casting is divided by the total weight of the metal injected into the mold, expressed as a percentage.
In the process of electroplating, the cathode electrode, the metal ions are discharged during electroplating, forming an anion, or other reduction effects.
The cathode RobberAn auxiliary cathode, in order to transfer the current from the part of the plated item to itself, otherwise these items will get an excessive current density.
Cathode metal when the metal is electrically connected in the presence of an electrolyte, any metal that does not tend to dissolve, corrupt or daze takes precedence over another metal.
The groove of the casting is formed in the cavity mold.
CharpyName of the impact test, in the ImPACT test, the sample forming the SIMT beam was hit by a hammer while resting on the hammer bracket of the interval mm. CheckingHeat-
Cracks on the surface of the mold, especially when repeatedly heated through a molten alloy at high temperatures.
The resulting fine cracks produce the corresponding raised veins on the die casting.
A chromatography conversion coating consisting of three-Valent and six-chromium compounds.
Application of chromium coating.
Chromium PickleA chemical treatment of magnesium in nitric acid and sodium heavy chromium solution.
This treatment prevents corrosion by producing a film that is also the basis of paint. Cold-
In order to keep the me chamber and piston not immersed in the molten metal, the chamber MachineA die casting machine was arranged.
Cold grinding of solidified metal, sometimes occurring in the die-casting molding process, which constitutes a defect of the casting or s-face close to the casting.
A combined dieA mold with two or more different cavities, each producing a different part.
Composite panel Electronics
A deposit consisting of two or more layers of metal continuously deposited.
Compression yield strength in the absence of a predetermined yield amount, the maximum stress that the metal bears. (normal 0.
Die Casting accounts for 2%). Contraction (Shrinkage)
At room temperature of solidification and cooling, tile volume usually appears in metal and alloy.
See water line for cooling channel.
Usually the core PinA core of the circular section.
The core pin can be fixed or active.
The core platform connects the core and drives their boards.
KesternichAn accelerated corrosion test of electroplating substrate (ASTM 380-65).
The chemical or electro-chemical reaction of metal to the environment destroys the corrosion of metal.
Over time, the persistence of corrosion.
The lid, the lid is the fixed part of the die-casting mold, forming the external or external surface of the casting.
A mixture of sulfur chloride, carbon dioxide and air used to protect and reduce the formation of oxide on the surface of molten magnesium.
Creep plastic deformation of metals maintained for a long time under stress below normal yield strength.
The nominal stress of constant creep strength, at a constant temperature, results in a certain amount of creep at a given time.
A conductive medium used to change the current distribution on an anode or cathode.
The ability of the material to suppress the vibration of the components thereby reducing the noise level.
De-burrs remove burrs, sharp edges, or fins by mechanical, electro-chemical, or discharge.
DendriteA crystal with a tree-
Like the most obvious branch pattern in the cast metal, it cools slowly within the solidification range.
Heavy chromium salts are chemically treated with aluminum, magnesium and inc alloys in a boiling heavy chromium acid salt solution, resulting in a surface film that is resistant to corrosion.
DieA metal blocks used during die casting, including cavities or cavities that make up the components, a molten metal distribution system, and devices for cooling and spraying castings.
The die casting is about the depth of the metal die casting on the die casting surface. 020 in. (o. 8mm)
It has small particle structure and is not affected by pores.
A removable pad or part of the mold.
Die or steel SafeA technology for closure
Tolerance die casting, where the outer surface of the casting is deliberately manufactured in the case of smaller dimensions, the internal surface is slightly too large.
After the trial cast runs, all dimensions are within the specified tolerance range.
This technique ensures that all final mold modifications, however slight, are done by removing instead of adding metal.
The alloy maintains the dimensional stability of its size and shape.
Dolomidi minerals consisting of calcium and magnesium carbonate.
The Dowel PinA guide ensures registration between the two mold sections.
The die core and other parts of the mold cavity are drawn with a cone diagram to facilitate the top-out of the casting. Drag-
Exclude the solution attached to the object removed from the cleaning and plating bath.
A metal oxide inside or on the surface of a molten metal.
The dull FinishA finish is almost lacking in diffusion and long-term reflection devices, which separate the movable half of the die-casting mold containing the lead pin;
This half forms internal or non-
The appearance surface of the casting.
The top bar mark left on the casting, usually including a flash ring formed around the top bar.
The injection PinA pin is started to discharge the casting from the mold cavity and from the core.
A plate connected to the top bar of the top bar platform, which drives the top bar.
An electrolytic substance, usually a liquid, in which the conduction of electricity is accompanied by chemical decomposition.
Electrolyte is one of the factors required for the occurrence of electrolytic corrosion.
List of electric series of elements arranged according to their standard electrode potential.
Deposited metal coating
To improve the surface properties, deposition on the substrate.
Fatigue leads to the phenomenon of breaking lines repeated or fluctuating stress with a maximum value less than the tensile strength of the material.
The process of supplying the melted metal to the mold cavity to compensate for the volume shrinkage of the casting during solidification.
FilletCurved connection of two surfaces; e. g.
, Otherwise will meet the walls in sharp corners.
On the casting, around the mold parts, vents and movable cores, boil the thin metal mesh or fins.
The excess metal is caused by the working pressure in the mold and the working gap.
It is used to protect and minimize fluorine x substances such as halogen salt formed by oxide on the surface of molten metal.
Also used to refine scrap metal.
Fracture test is performed on the sample and the fracture surface is inspected. -
Identify the presence of such components, granularity, sanity, or defects.
Peel particles from the metal surface by sliding friction.
Corrosion of the primary battery related to the current of the primary battery consisting of two different conductors in the electrolyte or two similar conductors in different electrolyte.
Gate connects the Gate or the Channel overflowing with the mold cavity.
In addition, the entire pop-up content of the mold, including the casting or casting and the gate, Punch (or biscuit)and flash. Hot-
Chamber die-casting, a nozzle that connects a metal tank or chamber to a nozzle or bayonet in the mold, containing a channel through which the molten metal is forced to pass through on the way to the mold.
Growth expansion of castings due to aging, intercrystal corrosion or both.
The hardware is particularly smooth,-
The casting surface does not require polishing and a small amount of polishing when preparing for plating.
The hardware is particularly smooth,-
The casting surface does not require polishing and a small amount of polishing when preparing for plating.
Chamber die casting machine with metal chamber, piston immersed in molten metal.
Hot short brittle or lack of strength at high temperature.
The rupture of a hot tear in a casting at a setting temperature or slightly below the setting temperature, caused by heat shrinkage stress.
Measured by a suitable testing machine, the impact strength of the impact resistance.
Leave a hole in the mold.
In addition, the mark or groove left by the ball or armor-piercing bullet of the hardness tester. In-
The gate connects the channel or hole between the gate and the cavity.
Pig or plate of metal or alloy.
The act or process of injecting molten metal into the mold.
Insert a solid material, usually metal, which becomes an integral part of the casting.
Inserts are usually set in the mold in order to cast metal around the parts exposed in the mold cavity.
Alternatively, insertion is usually applied after casting. (
Note: The insert becomes part of the casting while the mold insert is part of the mold. )
Intercrystal corrosion a corrosion that prioritizes the intercrystal boundary of a metal or alloy, resulting in deep penetration.
Impact test the IzodName of the drought testing machine, in which the sample is only clamped at one end and acts as a cantilever beam when hit by a hammer.
Knockout, loose debris core position caused by riot fixed on the mold, in order to pop up with the casting.
The knockout was subsequently removed and reused. KISPSI (
Pounds per square inch)
Expressed in thousands.
Flat plating to produce a smoother surface than the substrate.
The ratio of metal distribution to the thickness of metal in two specific regions of the cathode. (
Look at throwing force)
The metal SaverA core is mainly used to reduce the amount of metal in the casting and to avoid parts with excessive thickness.
The ability of Microthrowing PowerThe plating solution or a specified set of plating conditions to deposit metal in cracks, pores, or scratches.
Micro die casting in professional hot casting processing
The chamber machine can produce very small complex parts, from an ounce to 16 ounces, to a net shape and no flash, without trimming operations. Multiple-
Cavity modes with multiple repeat cavities.
Net cast YieldSee casting the outlet end of yieldnozzle's goose neck or a tubular accessory connecting the goose neck to a short bayonet.
Overflow the groove in the mold and connect to the mold cavity by the door away from the entrance door (ingate).
Connect the mold cavity to the overflow channel or aperture of the overflow.
Overflow WellA groove in the mold connected to (
Lie cavity for runners to help correct ventilation).
The connection between the cover and the top part of the parting line mold or mold.
In addition, the mark left on the casting at the Mold joint.
Surface oxides are removed by chemical or electro-chemical reactions.
The PinA core is usually round and usually has some cones (draft). Also a dowel (or guide pin)
Make sure the registration between the two mold parts.
The appearance of a small depression or cavity produced during solidification or corrosion.
The platform part of the casting machine, used to fix the mold part, or the press used to fix the decorative mold.
The plating RackA frame used to suspend and carry current to the item during the plating operation.
Push the molten metal into the piston or piston of the mold.
The smoothing of the polished metal surface refers to the action of grinding particles attached to the wheel surface or the endless belt normally driven at high speed through the adhesive.
Usually contracted by solidification, air (
Mainly nitrogen in the air)
Trapped in the casting, or discharged hydrogen during plating.
The molten metal enters heat through it-
A chamber machine or an injection cylinder pushed into a cold chamber machine.
Pour the molten metal through into the cold chamber of the casting machine.
Rapid prototyping (RP)
A series of processes by which prototypes are manufactured by machines, usually in special plastic resins, using equipment that is directly connected to CAD data.
The following process names are included: stereo printing, soldier processing, selective laser sintering, manufacturing of laminated objects, and modeling of molten deposition.
Refining, magnesium oxide and other suspended non in magnesium smelting practice
A metal substance, by using a flux that preferentially filters impurities and takes them as slude to the bottom of the pot.
RemeltSprues, Gates, the furnace that returns directly from running, casting defects.
RobberSee cathode robber
RunnerA mold Channel connects the tile gate hole or piston hole of a to the gate or gate where the molten metal enters the cavity or cavity.
Don't prevaricate the ScrapSee melt.
Salt spray TestAn accelerated corrosion test in which samples are exposed to fine mist of a solution that usually contains sodium chloride.
Satin FinishA surface finish, expressed as a diffuse reflector with a gloss but not a mirror surfacelike. SegregationNon-
Uniform distribution of alloy elements, impurities and tissues. Semi-
Casting process using semi-solid metal
Solid raw material with relatively slow ingate veloctieis, minimal turbulence and high pressure throughout the curing process to produce high-
Complete casting with solution heat treatment capability.
A part of the ShotA filling or casting cycle in which the molten metal is forced into the mold.
Total reduction in casting size from mol liquid to room temperature.
With the reduction of shrinkage and solidification size of freezing (Solidification)
The metal is passed from the molten state to the solid state of the tile.
Shrinking the MarkA surface depression, often referred to as a shadow mark, sometimes occurs in the thick part where the cooling rate is slower than the adjacent part.
The sliding part of the mold is usually arranged to move flat on the part line.
The inner end forms part of the cavity wall, sometimes including the core or core.
Stick or stick the melted metal to a part of the mold.
The pouring port of the casting, the mold parting line has the gate shaft or the piston shaft.
A conical channel is filled with SprueMetal (spur hole)
Connect the nozzle or heat chamber to the heat-
Chamber die casting machine. (Most cold-
The chamber machine forms a plug without a gate. )
The SpruepinA taper pin, the circular end protrudes into the gate hole as the core to keep the casting in the top out part of the mold.
Extrusion casting process using relatively slow molten metal
The gate speed, minimum turbulence, and high pressure will produce high-
Complete casting capable of heat treatment of solution.
Standard snadca product revision specification issued by die casting Development Council of the North American Die Casting Association detailing the size changes to be considered when designing die casting, many expressed as "standard" and "precision" product tolerances.
Stress corrosion cracks due to the combined action of stress and corrosion.
Typically, this type of failure occurs without any indication of external corrosion and is a fine line crack.
Base material for deposited coating.
Six fluorine hydrocarbons (SFG)
A gas with a lower concentration (
Usually less than 1%)
A protective atmosphere is formed on the surface of molten magnesium with carbon dioxide and air to minimize combustion and oxide formation.
Surface Treatment: refers to the general term of treatment involving surface modification of ceramic tiles.
The tensile yield stress material exhibits a specific deviation in proportion to the stress and strain. An offset of 0.
2% for die casting alloy.
Under the specified conditions, in vigen solution, the coating distribution is improved by the distribution of the primary current of tiloe on the cathode.
The rod used in the die casting machine to keep the mold locked under pressure, the rod RodA rod, usually also used as a way to slide the movable pressure template.
Tolerance limits the specified critical mass of impurity elements, which, if exceeded, results in a decrease in material performance.
A trim mold for cutting or shaving flash from a casting.
Either the mold is forced to cast, or the casting is forced to pass through the mold.
The lower notch in the side wall or core hole of the casting, in order to set the sliding or special form of the core, such as knockout, to allow the casting to pop out of the mold.