2007-01-02 08:39:31 · 16 answers · asked by monk 2 in Business & Finance ➔ Careers & Employment
Extrusion is a manufacturing process used to create long objects of a fixed cross-sectional profile. A material, often in the form of a billet, is pushed and/or drawn through a die of the desired profile shape. Hollow sections are usually extruded by placing a pin or piercing mandrel inside of the die, and in some cases positive pressure is applied to the internal cavities through the pin. Extrusion may be continuous (producing indefinitely long material) or semi-continuous (producing many short pieces). Some materials are hot drawn whilst others may be cold drawn
2007-01-02 08:42:37 · answer #1 · answered by memo 3 · 2⤊ 1⤋
steel, plastics or aluminium manufacturer. Basically they make bar or tube of some kind - anything long and thin with a regular cross section.
Say you want a bar with a T cross section. You get a box of molten goo (steel/aluminium/plastic) with a T-shaped hole in the side, and you squeeze. The goo squeezes out the T slot in a T shaped bar, which solidifies as it cools and stays that way. You can keep going until you run out of space in the factory (though it's more normal to stop when it's too long to fit on a flat bed truck - about 10m). Chop the end off and start again.
That's what your prospective employer does. Good luck...
2007-01-02 08:41:07 · answer #2 · answered by wild_eep 6 · 0⤊ 0⤋
An extruder is a conical earthenware spout fitted to the drip tray section of an electric kebab spindle.
2007-01-02 08:48:22 · answer #3 · answered by Anonymous · 0⤊ 0⤋
1. to thrust out; force or press out; expel: to extrude molten rock.
2. to form (metal, plastic, etc.) with a desired cross section by forcing it through a die.
–verb (used without object) 3. to protrude.
4. to be extruded: This metal extrudes easily.
—Related forms
ex·trud·er, noun
2007-01-02 08:49:55 · answer #4 · answered by Tink 5 · 0⤊ 0⤋
It is not just for plastic or metals -- it is used in many industries. Raw materials are fed in the front end, and are heated up and put under pressure. There are screw inside that move the material through a barrel. When it comes out the other end, it is shaped by a die plate, and cut to whatever length needed. Yes, gutters, beams, etc., are made this way, but so are snacks, pasta, and breakfast cereals.
2007-01-02 08:45:17 · answer #5 · answered by Anonymous · 0⤊ 0⤋
extruders are machines that take plastic pellets heat them up enough to melt and then forces the material out through a barrel into a nozzle to a mold or cooling bath to be repellitized.
2007-01-02 08:42:04 · answer #6 · answered by Biker 6 · 1⤊ 0⤋
well there's an extruder fan, found in most cafe/restaurants, used to suck/ force smells and grease from cooking area. stop you people going home smelling of grease and chips, lol
2007-01-02 08:49:15 · answer #7 · answered by valda54 5 · 0⤊ 0⤋
A frame that creates shaped pellets (or other units). For example, creates the uniform pellets you get in dog or other pet foods.
2007-01-02 08:44:45 · answer #8 · answered by callthedog 2 · 0⤊ 0⤋
Didn't she used to be that blonde Swedish vet on the TV?
2007-01-02 08:46:16 · answer #9 · answered by Anonymous · 0⤊ 0⤋
Vic 1 - grow up soon.
2007-01-02 08:47:16 · answer #10 · answered by Humpy 3 · 0⤊ 0⤋