English-Hungarian injection molding glossary - Angol-magyar műanyagipari kisszótár

English-Hungarian injection molding glossary

Angol-magyar műanyagipari kisszótár

ID	English - angol	Hungarian - magyar	Remark - megjegyzés
1	accumulator	nyomástároló
2	air burn	beégés?
3	antioxidant	antioxidáns	Additive used to help protect plastics from degradation through sources such as heat, age, chemicals, stress, etc.
4	antistatic agent	feltöltődést gátló szer, antisztatikum	Additive used to help eliminate or lessen static electricity from the surface of the plastic part.
5	aspect ratio	összes folyáshossz / átlagos falvastagság	Ratio of total flow length to average wall thickness.
6	back pressure	ellennyomás	The pressure applied to the plastic during screw recovery. By increasing back pressure, mixing and plasticating are improved; however, screw recovery rates are reduced.
7	backing plate	támasztó lap	A plate used as a support for the mold cavity block, guide pins, bushings, etc.
8	barrel	csigaház, fröccshenger
9	blistering	felhólyagosodás	A raised or layered patch of material on the surface of the component.
10	boss	dudor	Protuberance on a plastic part designed to add strength, facilitate alignment, provide fastening, etc.
11	broken mold marks	eltört szerszám nyomai	Filled in areas not per drawing specification due to mold damage.
12	bubbles	hólyagok	Air pockets that have formed in the material of the component. Bubbles may vary in size.
13	cavity	üreg	The space inside a mold into which material is injected.
14	charge	töltelék	The measurement or weight of material necessary to fill a mold during one cycle.
15	clamp	záróegység	The part of an injection molding machine incorporating the platens that provides the force necessary to hold the mold closed during injection of the molten resin and open the mold to eject the molded part.
16	clamping plate	szerszámfelfogó lap	A plate fitted to a mold and used to fasten the mold to a platen.
17	clamping pressure	záróerő	The pressure applied to the mold to keep it closed during a cycle, usually expressed in tons.
18	clarifiers	derítőanyagok	Additive used in polypropylene random copolymers to improve clarity.
19	closed-loop control	zártkörű vezérlés	System for monitoring complete, injection molding- process conditions of temperature, pressure and time, and automatically making any changes required to keep part production within preset tolerances.
20	cold flow/orange peel/lumps	hidegfolyás/narancshéjfelület/ csomósodás	Any material that has not cooled uniformly causing the appearance of either a speck of material lighter than what was used or a rippling effect on the surface of the component.
21	cooling channels	hűtőcsatornák	Channels located within the body of a mold through which a cooling medium is circulated to control the mold surface temperature.
22	crack/splits/chips	repedés/hasadás/forgács	A physical separation or tearing of the part.
23	cushion	anyagpárna	Extra material left in barrel during cycle to try and ensure that the part is packed out during the hold time.
24	cycle	ciklus	The complete sequence of operations in a process to complete one set of moldings. The cycle is taken at a point in the operation and ends when this point is again reached and moving platens of the clamp unit in the fully open position.
25	cycle time	ciklusidő	The time required by an injection molding system to mold a part.
26	delamination	rétegződés	When the surface of a finished part separates or appears to be composed of layers. Strata or fish-scale-type appearance where the layers may be separated.
27	diaphragm gate	membrán gát	Used in symmetrical cavity filling to reduce weld-line formations and improve filling rates.
28	dimensional problems	mérethibák	Parts not made to drawing dimensional specifications due to internal part stress warping, mold damage, incorrect mold manufacturing, etc.
29	direct gate	közvetlen gát	The sprue that feeds directly into the mold cavity.
30	discoloration	elszíneződés	Any change from the designated color of the material or component. Incorrect color of the component.
31	dispersion aids	diszpergáló eszközök	Perforated plates placed in the plasticator nozzle to aid in mixing or dispersing colorant as it flows through the perforations.
32	draft	kilökési ferdeség	The degree of taper of a mold-cavity sidewall or the angle of clearance designed to facilitate removal of parts from a mold.
33	drag marks	nyomáshelyek	A form of deep scratch or scratches on the surface of the component that have no visible signs of loose chips or material.
34	drooling	szivárgás	The extrudation or leakage of molten resin from a plasticator nozzle or nozzle sprue bushing area while filling or shooting the mold.
35	dwell	szerszámvédelem	A pause in the applied pressure to a mold during the injection cycle just before the mold is completely closed. This dwell allows any gases formed or present to escape from the molding material.
36	ejection pin marks	kidobócsap nyomok	See Raised Ejector Site.
37	ejector pins	kidobócsapok	Pins that are pushed into a mold cavity from the rear as the mold opens to force the finished part out of the mold. Also called knockout pins.
38	ejector return pins	kidobó visszahúzó	Projections that push the ejector assembly back as the mold closes. Also called surface pins or return pins.
39	ejector rod	kidobócsap-összekötő	A bar that actuates the ejector assembly when the mold opens.
40	embedded particulate	zárványok	Any completely embedded foreign particulate such as grease, metal, paint chips, burnt material, etc. that cannot be smeared or removed from the component.
41	family mold	többfészkes szerszám	A multi-cavity mold where each of the cavities forms one of the component parts of an assembled finished part.
42	fan gate	oldalbeömlés	A gate used to help reduce stress concentrations in the gate area by spreading the opening over a wider area. Less warping of parts can usually be expected by the use of this type of gate.
43	feed cylinder	ömlesztőhenger	The packing of the cavity or cavities of the mold as required to give a complete part or parts that are free of flash.
44	fill	kitöltés	The web of material remaining in holes or openings in a molded part which must be removed for final assembly.
45	fin	nyílás sorja	Any excess material that is formed with and attached to the component along a seam or mold parting line.
46	flash	sorja
47	flow	folyás	A qualitative description of the fluidity of a plastic material during the process of molding. A measure of its moldability generally expressed as melt flow rate or melt index.
48	flow line	folyási nyom	Marks visible on the finished items that indicate the direction of the flow of the melt into the mold.
49	flow marks	folyási nyomok	Wavy surface appearances on a molded part caused by improper flow of the melt into the mold.
50	gate	gát	An orifice through which the melt enters the mold cavity.
51	gate trim	gát perem	Remnant of plastic left over from cutting the component from the runner or sprue, usually to be cut flush with the edge of the component.
52	hob	ütősajtoló bélyeg	A master model in hardened steel. The hob is used to sink the shape of a mold into a soft metal block.
53	homopolymer	homopolimer	Plastic that results by the polymerization of a single monomer.
54	hopper	adagoló
55	hopper dryers	adagoló szárító	Auxiliary equipment that removes moisture from resin pellets.
56	hopper loader	adagoló töltő	Auxiliary equipment for automatically loading resin pellets into machine hopper.
57	hot-runner mold	melegcsatornás szerszám	A mold in which the runners are insulated from the chilled cavities and are kept hot. Hot-runner molds make parts that have no scrap.
58	injection molding	fröccsöntés
59	injection pressure	fröccsnyomás	The pressure on the face of the injection screw or ram when injecting material into the mold, usually expressed in PSI.
60	insert molding	betétes fröccsöntés	Insert molding is the process of molding plastic around preformed metal inserts. This process is compatible with both thermoplastic and thermoset materials.
61	insulated runner	szigetelt beömlőcsatorna	See hot-runner mold.
62	izod impact test	Izod-ütővizsgálat	Test to determine impact strength of a sample by holding a sample bar at one end and broken by striking. Sample specimen can be either notched or unnotched.
63	jetting	sugáráramlás	A turbulent flow in the melt caused by an undersized gate or where a thin section rapidly becomes thicker.
64	jig	tokmány	A tool for holding parts of an assembly during the manufacturing process.
65	knit lines	folyásvonalak	Where melted material flows together to form a line or lines that may cause weakening or breaking of the component.
66	knockout pins	kidobócsapok	A rod or device for knocking a finished part out of a mold.
67	l/d ratio	H/D arány (csiga hossz/átmérő)	A term used to help define an injection screw. This is the screw length-to-diameter ratio.
68	melt flow rate	ömledék áramlási sebessége	A measure of the molten viscosity of a polymer determined by the weight of polymer extruded through an orifice under specified conditions of pressure and temperature. Particular conditions are dependent upon the type of polymer being tested. MFR usually is reported in grams per 10 minutes. Melt flow rate defines the flow of a polypropylene resin. An extrusion weight of 2160 grams at 446°F (230°C) is used.
69	melt index	ömledék index	Term that defines the melt flow rate of a polyethylene resin. An extrusion weight of 2160 grams at 310°F (190°C) is used.
70	mold	szerszám, présforma	A series of machined steel plates containing cavities into which plastic resin is injected to form a part.
71	mold changer	szerszámcserélő automatika	An automated device for removing one mold from a machine and replacing it with another mold.
72	mold frame	szerszámköpeny	A series of steel plates which contain mold components, including cavities, cores, runner system, cooling system, ejection system, etc.
73	mold release problems	szerszám túlkenése	Excess use of mold release may leave parts oily and weaken the material.
74	mold-temperature-control unit	szerszám-hőmérsékletet szabályozó egység	Auxiliary equipment used to control mold temperature. Some units can both heat and cool the mold. Others, called chillers, only cool the mold.
75	moving platen	mozgó lap	The platen of an injection molding machine that is moved by a hydraulic ram or mechanical toggle.
76	multi-cavity mold	többfészkes szerszám?	A mold having two or more impressions for forming finished items in one machine cycle.
77	multi-material molding	több anyag befröccsöntése egy ciklusban	The injection of two-or-three materials, in sequence, into a single mold during a single molding cycle. The injection molding machine is equipped with two-or-three plasticators. (See also co-injection)
78	nest plate	üreges lap	A retainer plate in the mold with a depressed area for cavity blocks.
79	non-fill	elégtelen kitöltés	See short shot.
80	non-return valve	elzárószelep	Screw tip that allows for material to flow in one direction and closes to prevent back flow and inject material into the mold.
81	nozzle	fúvóka	The hollow-cored, metal nose screwed into the injection end of a plasticator. The nozzle matches the depression in the mold. This nozzle allows transfer of the melt from the plasticator to the runner system and cavities.
82	nucleating agent	magképző szer	Additive used with polypropylene to increase crystallization rate by providing additional sites for crystal growth.
83	orange peel	narancshéjfelület	A surface finish on a molded part that is rough and splotchy. Usually caused by moisture in the mold cavity.
84	over molding	ráfröccsöntés?	A process in which a mold cavity is first partially filled with one plastic and then a second shot is injected to encapsulate the first shot.
85	packing	kitöltés	The filling of the mold cavity or cavities as full as possible without causing undue stress on the molds or causing flash to appear on the finished parts. Over- or under-packing results in less than optimum fill.
86	part picker	robot	An auxiliary unit usually mounted on fixed platen, which reaches into the open mold to grab parts and remove them prior to next molding cycle. Also called a robot, the device is used when you do not want to drop parts from mold upon ejection.
87	parting line	szerszámosztás, varrat	On a finished part, this line shows where the two mold halves met when they were closed.
88	peeling	lepattogzás	An open blister.
89	pet	PET (polietilén-tereftalát)	Polyethylene Terephthalate, a type of polyester and a leading recyclable plastic material.
90	pin marks	kidobócsap nyomok	See Raised Ejector Site.
91	pinpoint gate	szűk gát	A restricted gate of 0.030 in or less in diameter, this gate is common on hot-runner molds.
92	piston	dugattyú	See ram.
93	plasticate	plasztikálás	To soften by heating and mixing.
94	plasticator	plasztikáló egység	The complete melting and injection unit on an injection molding machine.
95	plastifying barrel	plasztikáló henger	The mounting plates of a press on which the mold halves are attached.
96	platens	rögzítő lapok	The blooming of additives onto machinery during processing of plastics.
97	plate-out	kivirágzás (alakékanyagoké a gépen)	See ram.
98	plunger	szerszámbélyeg	A plastic test tube shaped part produced by injection molding systems in the first step of a two-stage injection molding and blow molding process used to produce PET bottles or containers. The perform is subsequently re-heated and stretch blown through a blow molding process into the final container shape.
99	preform	előformázás	Reinforcements of hardened steel distributed around the dead areas in the faces of a mold to help the land absorb the final pressure of closing without collapsing.
100	pressure pads	törőbakok	Area where the part was connected to the sprue or runner that has been drawn out or stretched from the surface.
101	pulled gate	húzott gát	The forcing one molding material out of the plasticator with another material prior to molding a new material. Special purging compounds are used.
102	purging	öblítés
103	raised ejector site / ejection pin marks / pin mar	megemelt kidobópálya	Where the ejector site is either heightened or raised above the surface of the component.
104	ram	csiga előre mozgatása	The forward motion of the screw in the plasticator barrel that forces the melt into the mold cavity.
105	recovery time	beállási idő	The length of time for the screw to rotate and create a shot.
106	re-grind problems	újraaprítási problémák	See Silver/Splay. Use of re-ground material increases susceptibility for moisture problems as well as polymeric chain length degradation.
107	restricted gate	szűk gát	A very small orifice between runner and cavity in an injection mold. When the part is ejected, this gate readily breaks free of the runner system. Generally, the part drops through one chute and the runner system through another leading to a granulator a
108	retainer plate	tartólemez	The plate on which demountable pieces, such as mold cavities, ejector pins, guide pins and bushings are mounted during molding.
109	retractable cores	visszahúzható magok	Used when molding parts in cavities not perpendicular to the direction in which the part is ejected from the mold. The cores are automatically pulled from the mold prior to the mold opening and reinserted when the mold closes again and prior to injection
110	rib	borda	A reinforcing member of a molded part.
111	ring gate	körbeömlés	Used on some cylindrical shapes. This gate encircles the core to permit the melt to first move around the core before filling the cavity.
112	RMS roughness	felületi simaság négyzetes középértéke	A measure of the surface roughness/smoothness of a material. The root mean square (RMS) average of the "peaks and valleys" of a surface is determined using a Profilometer. The lower the number, the smoother the surface: a reading of one or two would be a
113	robot	robot	Automated devices for removing parts upon ejection from an open mold rather than letting the parts drop. Also see parts picker. Robots also can perform secondary functions, such as inspection, degating, precise placement of parts on a conveyor, etc.
114	Rockwell hardness	Rockwell keménység	A measure of the surface hardness of a material. A value derived from the increase in depth of an impression as the load of a steel indenter is increased from a fixed minimum value to a higher value and then returned to the minimum value. The values are quoted with a letter prefix corresponding to a scale relating to a given combination of load and indenter.
115	runner	beömlőcsatorna	The channel that connects the sprue with the gate for transferring the melt to the cavities.
116	runnerless molding	beömlőcsatorna nélküli fröccsöntés	See hot-runner mold.
117	scratch	karcolás	Mark made via abrasion, not as specified in visual or cosmetic specification criteria.
118	screw	csiga
119	screw travel	csiga mozgása	The distance the screw travels forward when filling the mold cavity.
120	short shot	elégtelen adag	Failure to completely fill the mold or cavities of the mold. Edges may appear melted.
121	shot	,,lövés"	The complete amount of melt injected during a molding cycle, including that which fills the runner system.
122	shot capacity	befröccsentési kapacitás	Generally based on polystyrene, this is the maximum weight of plastic that can be displaced or injected by a single injection stroke. Generally expressed as ounces of polystyrene.
123	shrinkage	zsugorodás	The dimensional differences between a molded part and the actual mold dimensions.
124	side bars	oldalsó rudak	Loose pieces used to carry one or more molding pins and operated from outside the mold.
125	side-draw pins	oldalirányú csapok	Projections used to core a hole in a direction other than the line of closing of a mold and which must be withdrawn before the part is ejected from the mold. See also Retractable Cores.
126	silver	tükröződés	See Splay.
127	silver streaks	ezüstös csíkok	A depression or valley on a component surface that would not normally have a depression.
128	single-cavity mold	egyfészkes szerszám	See splay marks.
129	sink mark	bemélyedés	A mold having only one cavity and producing only one finished part per cycle.
130	sink/shrink	bemélyedés	A shallow depression or dimple on the surface of a finished part created by shrinkage or low fill of the cavity.
131	slip agent	csúszósságot előidéző szer	Additive used to provide lubrication during and immediately following processing of plastics.
132	slip plane	csúszási sík	Marks evident in or on finished parts due to poor welding or shrinking upon cooling.
133	spiral flow	spirális áramlás	Test performed by injection molding a sample into a spiral mold and used to compare the processability of different resins.
134	splash marks	fröccsnyomok	See splay marks.
135	splay	fröccsnyom	A shiny area on the surface that is usually small in size and may have the appearance of a lightly tinted or silver streaks.
136	splay marks	fröccsnyomok	Marks or droplet type imperfections on the surface of the finished parts that may be caused by the splaying of the melt through the gates and into the cool cavity where they set up.
137	split-ring mold	hasított gyűrűs szerszám	A mold in which a split cavity block is assembled in a channel to permit the forming of undercuts in a molded piece. These parts are ejected from the mold and then separated from the piece.
138	splits	hasadékok	See cracks.
139	sprue	beömlőnyílás
140	sprue bushing	beömlőcsatorna hüvely	A hardened-steel insert in the mold that accepts the plasticator nozzle and provides an opening for transferring the melt.
141	sprue gate	beömlőcsatorna gát	A passageway through which melt flows from the nozzle to the mold cavity.
142	sprue lock	beömlőcsatorna zár	The portion of resin retained in the cold-slug well by an undercut. This lock is used to pull the sprue out of the bushing as the mold opens. The sprue lock itself is pushed out of the mold by an ejector pin.
143	stack molds	sorba rendezett szerszámok	The feed opening provided in injection molding between the nozzle and cavity or runner system.
144	stationary platen	szerszámfelfogó lap	Two or more molds of a similar type that are positioned one behind the other to allow for additional parts to be manufactured during a cycle.
145	stress cracking	feszültségi repedés	The large front plate of an injection molding press to which the front plate of the mold is secured. This platen does not move during normal operation.
146	striations	barázdáltság	There are three types of stress cracking: 1. Thermal stress cracking is caused by prolonged exposure of the part to elevated temperatures or sunlight. 2. Physical stress cracking occurs between crystalline and amorphous portions of the part when the part is under an internally or externally induced strain. 3. Chemical stress cracking occurs when a liquid or gas permeates the partís surface. All of these types of stress cracking have the same end result: the splitting or fracturing of the molding.
147	stringing	feszítés	Marks evident on the molded-part surfaces that indicate melt flow directions or impingement.
148	strings	nyúlványok?	Occurs between the finished part and the sprue when the mold opens and the melt in this area has not cooled sufficiently.
149	stripper plate	letolólap	Strings of material due to poor gate cut off. See pulled gate.
150	stroke	löket	A plate that strips a molded piece from core pins or force plugs. The stripper plate is set into operation by the opening of the mold.
151	structural foam molding	szivacsmagos fröccsöntés	Process for making parts that have solid outer skin and foamed core.
152	submarine gate	alagút gát?	A gate where the opening from the runner into the mold cavity is located below the parting line. Also called a tunnel gate.
153	suck-back	visszaszívás	When the pressure on the sprue is not held long enough for the melt to cool before the screw returns. Some of the melt in the cavities or runner system may expand back into the nozzle and cause sinks marks on the finished part.
154	tab gate	fül gát	A small removable tab about the same thickness as the molded item, but usually perpendicular to the part for easy removal.
155	thermoplastic	hőre lágyuló anyag	A polymer which melts or flows when heated. Thermoplastic polymers are usually not highly cross-linked, and act much like molecular solids: low melting and boiling points, high ductile strength.
156	thermoset	hőre keményedő műanyag	A polymer that doesn't melt when heated. Thermoset polymers "set" into a given shape when first made and afterwards do not flow or melt, but rather decompose upon heating. They are often highly cross-linked polymers, with properties similar to those of network covalent solids, i.e., hard and strong.
157	tie-bar spacing	összekötőrudak távköze	The space between the horizontal tie-bars on an injection molding machine. Basically, this measurement limits the size of molds that can be placed between the tie-bars and into the molding machine.
158	toggle	pecek	A type of clamping mechanism that exerts pressure by applying force on a knee joint. A toggle is used to close and exert pressure on a mold in a press.
159	tonnage	tonnatartalom?	The measure by which injection molding machines are typically categorized, representing the clamping force of the injection molding machine.
160	tunnel gate	alagút gát?	See submarine gate.
161	undercut	bevágás	A protuberance or indentation that impedes withdrawal from a two-piece rigid mold.
162	valve gating	szelep gát	A type of gate where a pin is held in the gate or channel by spring tension. As the injection stroke moves forward, this gate compresses the plastic in the runner. When this pressure build-up is sufficient to overcome the spring tension, the pin is then pushed back (pulled) and the fast decompression of the melt fills the cavity at extremely high speed.
163	vent	ürítőszelep	A shallow channel or opening cut in the cavity to allow air or gases to escape as the melt fills the cavity.
164	vented barrel	szelepes henger	Special plasticator unit with a vent port over the compression section of the screw to permit escape of gases prior to injecting melt into mold. Often used when molding moisture-sensitive resins.
165	vertical flash ring	függőleges sorjagyűrű	The clearance between the force plug and the vertical wall of the cavity in a positive or semi-positive mold. Also the ring of excess melt which escapes from the cavity into this clearance space.
166	voids	hézagok	Air pockets in the part which have opened or were not filed with material, leaving an opening or hole.
167	warpage	megvetemedés	Dimensional distortion in a molded object. Caused by internal stresses via un-even material flow, cooling, and compression.
168	weld line	folyási vonal	Where melted material flows together during molding to form a visible line or lines on a finished part that may cause weakening or breaking of the component.
169	wisps	szálak?	Similar to stringing but smaller in size. These also may occur as slight flashing when the mold is over packed or forced open slightly. Mold-parting-line wear or misalignment can also cause wisps.