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Injection Moulding Machines

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Powerful injection moulding machines for plastics processing
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ARBURG ALLROUNDER 370CMD-800-325 Injection Molding Machine
shape
Serbia, 35000 Jagodina

ARBURG ALLROUNDER 370CMD-800-325 Injection Molding Machine

24/10/23 09:10
Bids: 0
1,000 €
ARBURG ALLROUNDER 221E / 150 Injection molding machine
shape
Serbia, 35000 Jagodina

ARBURG ALLROUNDER 221E / 150 Injection molding machine

24/10/23 09:20
Bids: 0
800 €
ARBURG ALLROUNDER 221E / 150 / P Injection molding machine
shape
Serbia, 35000 Jagodina

ARBURG ALLROUNDER 221E / 150 / P Injection molding machine

24/10/23 10:00
Bids: 0
600 €
BATTENFELD 90/160/123 Injection molding machine
shape
Serbia, 35000 Jagodina

BATTENFELD 90/160/123 Injection molding machine

24/10/23 09:53
Bids: 0
600 €
ARBURG ALLROUNDER 221E / 150 / P Injection Molding Machine
shape
Serbia, 35000 Jagodina

ARBURG ALLROUNDER 221E / 150 / P Injection Molding Machine

24/10/23 09:54
Bids: 0
500 €
Injection Molding Area
shape
Italy, 10088 Volpiano

Injection Molding Area

05/10/23 10:03
Bids: 32
170,500 €
BATTENFELD HM 180/750 UNILOG B6P Injection Moulding Machine
shape
Play
Romania, 077145 Pantelimon / Bucuresti

BATTENFELD HM 180/750 UNILOG B6P Injection Moulding Machine

09/10/23 09:20
Bids: 0
31,750 €
BATTENFELD HM 110/350 UNILOG B6P Injection Moulding Machine
shape
Romania, 077145 Pantelimon / Bucuresti

BATTENFELD HM 110/350 UNILOG B6P Injection Moulding Machine

09/10/23 09:21
Bids: 0
22,500 €
BATTENFELD HM 110/350 UNILOG B6P Injection Moulding Machine
shape
Play
Romania, 077145 Pantelimon / Bucuresti

BATTENFELD HM 110/350 UNILOG B6P Injection Moulding Machine

09/10/23 09:00
Bids: 0
22,500 €
FERROMATIK MILACRON ELEKTRA 30 EVOLUTION, EE30 Injection molding machine
shape
Play
Germany, 44319 Dortmund

FERROMATIK MILACRON ELEKTRA 30 EVOLUTION, EE30 Injection molding machine

14/11/23 14:54
Bids: 0
2,900 €
ARBURG 420 V 1000-150 / 60 ALLROUNDER VARIMA Injection Molding Machine
shape
Romania, 077145 Pantelimon / Bucuresti

ARBURG 420 V 1000-150 / 60 ALLROUNDER VARIMA Injection Molding Machine

09/10/23 09:14
Bids: 0
2,900 €
STORK SX 4000 EP - 2100 Injection Molding Machine
shape
Romania, 077145 Pantelimon / Bucuresti

STORK SX 4000 EP - 2100 Injection Molding Machine

09/10/23 09:17
Bids: 0
1,900 €
KRAUSS-MAFFEI Injection Moulding Machine
shape
Germany, 86757 Wallerstein

KRAUSS-MAFFEI Injection Moulding Machine

12/10/23 10:03
Bids: 1
1,800 €
ARBURG ALLROUNDER CENTEX 420 C 1300-250 Injection Moulding Machine
shape
Germany, 86732 Oettingen

ARBURG ALLROUNDER CENTEX 420 C 1300-250 Injection Moulding Machine

12/10/23 10:15
Bids: 2
1,800 €
ARBURG A 270M - 350 - 90 injection molding machine for Duroplast/Bakelt
shape
Germany, 72108 Rottenburg-Ergenzingen

ARBURG A 270M - 350 - 90 injection molding machine for Duroplast/Bakelt

09/10/23 15:00
Bids: 0
1,400 €
ARBURG ALLROUNDER 375 V500-100 Injection moulding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár

ARBURG ALLROUNDER 375 V500-100 Injection moulding machine

27/10/23 11:19
Bids: 0
50,000 €
KRAUSS MAFFEI 420-1900 C2 Injection Moulding Machine
shape
Play
Slovenia, 1218 Komenda

KRAUSS MAFFEI 420-1900 C2 Injection Moulding Machine

25/10/23 09:08
Bids: 0
29,500 €
ARBURG ALLROUNDER 570 S Injection moulding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár

ARBURG ALLROUNDER 570 S Injection moulding machine

27/10/23 11:18
Bids: 0
23,000 €
HAITIAN MA III 700-130 plus Plastic Injection Molding Machine
shape
Romania, 420135 Bistrita

HAITIAN MA III 700-130 plus Plastic Injection Molding Machine

31/10/23 09:00
Bids: 0
22,500 €
FANUC ROBOSHOT ALPHA S130iA Injection moulding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár

FANUC ROBOSHOT ALPHA S130iA Injection moulding machine

27/10/23 11:17
Bids: 0
19,000 €
BATTENFELD TM 350/1330 E Injection Moulding Machine
shape
Play
Slovenia, 1218 Komenda

BATTENFELD TM 350/1330 E Injection Moulding Machine

25/10/23 09:23
Bids: 0
15,000 €
KRAUSS MAFFEI 320-1000 C3 Injection Moulding Machine
shape
Play
Slovenia, 1218 Komenda

KRAUSS MAFFEI 320-1000 C3 Injection Moulding Machine

25/10/23 09:05
Bids: 0
15,000 €
ARBURG 570 C 2000 - 675 ALLROUNDER CENTEX Injection Molding Machine
shape
Play
Romania, 077145 Pantelimon / Bucuresti

ARBURG 570 C 2000 - 675 ALLROUNDER CENTEX Injection Molding Machine

31/10/23 09:14
Bids: 0
15,000 €
KRAUSS MAFFEI KM 160-750 CX Injection moulding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár

KRAUSS MAFFEI KM 160-750 CX Injection moulding machine

27/10/23 11:22
Bids: 0
14,000 €
BOY 35E Injection Molding Machine
shape
Play
Romania, 077145 Pantelimon / Bucuresti

BOY 35E Injection Molding Machine

31/10/23 09:01
Bids: 0
14,000 €
KRAUSS MAFFEI KM 160-750 CX F21 Injection moulding machine with arm loader
shape
Play
Hungary, 9200 Mosonmagyaróvár

KRAUSS MAFFEI KM 160-750 CX F21 Injection moulding machine with arm loader

27/10/23 11:21
Bids: 0
13,000 €
ARBURG ALLROUNDER 175 V 125-30 Injection moulding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár

ARBURG ALLROUNDER 175 V 125-30 Injection moulding machine

27/10/23 11:24
Bids: 0
9,000 €
KRAUSS MAFFEI KM50-55CX Injection molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár

KRAUSS MAFFEI KM50-55CX Injection molding machine

27/10/23 11:20
Bids: 0
7,000 €
ARBURG ALLROUNDER 470C 1500-350 Injection Moulding Machine
shape
Romania, 300523 Timisoara

ARBURG ALLROUNDER 470C 1500-350 Injection Moulding Machine

31/10/23 09:03
Bids: 0
6,900 €
SANDRETTO S.7 350 Injection molding machine
shape
Play
Romania, 307110 Ciacova

SANDRETTO S.7 350 Injection molding machine

31/10/23 09:02
Bids: 0
6,650 €
KRAUSS MAFFEI 150-520 C1 Injection moulding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár

KRAUSS MAFFEI 150-520 C1 Injection moulding machine

27/10/23 11:23
Bids: 0
5,500 €
BATTENFELD TM2700/1900 Injection Moulding Machine
shape
Slovakia, 911 01 Trenčín

BATTENFELD TM2700/1900 Injection Moulding Machine

31/10/23 09:11
Bids: 1
2,750 €
WOOJIN SELEX NS170 Injection Moulding Machine
shape
Slovakia, 911 01 Trenčín

WOOJIN SELEX NS170 Injection Moulding Machine

31/10/23 09:05
Bids: 0
2,000 €
MATEU 2300/250/210 Injection Moulding Machine
shape
Spain, 33343 Caravia Asturias

MATEU 2300/250/210 Injection Moulding Machine

06/10/23 11:34
Bids: 1
3,800 €
ARBURG ALLROUNDER 420C 1000-350 Injection Moulding Machine
shape
Play
Romania, 300523 Timisoara

ARBURG ALLROUNDER 420C 1000-350 Injection Moulding Machine

31/10/23 09:04
Bids: 0
3,500 €
WOOJIN SELEX NS 130 Injection Moulding Machine
shape
Slovakia, 911 01 Trenčín

WOOJIN SELEX NS 130 Injection Moulding Machine

31/10/23 09:15
Bids: 2
1,600 €
KRAUSS MAFFEI 40-55 C1 Injection moulding machine with arm loader
shape
Play
Hungary, 9200 Mosonmagyaróvár

KRAUSS MAFFEI 40-55 C1 Injection moulding machine with arm loader

27/10/23 11:25
Bids: 0
2,500 €
BATTENFELD TM1000/525 Injection Moulding Machine
shape
Slovakia, 911 01 Trenčín

BATTENFELD TM1000/525 Injection Moulding Machine

31/10/23 09:06
Bids: 1
1,250 €
MATEU 625/100 Injection Moulding Machine
shape
Spain, 33343 Caravia Asturias

MATEU 625/100 Injection Moulding Machine

06/10/23 11:32
Bids: 0
2,500 €
ARBURG Allrounder 221 Multronica Injection Moulding Machine
shape
Play
Germany, 72108 Rottenburg-Ergenzingen

ARBURG Allrounder 221 Multronica Injection Moulding Machine

09/10/23 16:21
Bids: 0
2,200 €
KRAUSS-MAFFEI KM 80/390/C 2 Injection Molding Machine
shape
Play
Germany, 45549 Sprockhövel

KRAUSS-MAFFEI KM 80/390/C 2 Injection Molding Machine

18/10/23 10:09
Bids: 0
2,200 €
BATTENFELD HM600/210 Injection Moulding Machine
shape
Slovakia, 911 01 Trenčín

BATTENFELD HM600/210 Injection Moulding Machine

31/10/23 09:16
Bids: 0
2,000 €
FERROMATIK MILACRON K-TEC 40 S Injection molding machine
shape
Play
Germany, 44319 Dortmund

FERROMATIK MILACRON K-TEC 40 S Injection molding machine

14/11/23 14:19
Bids: 0
1,900 €
ARBURG 270 HD Injection Moulding Machine
shape
Germany, 72108 Rottenburg-Ergenzingen

ARBURG 270 HD Injection Moulding Machine

09/10/23 15:49
Bids: 0
1,900 €
NEGRI BOSSI NB90 SM 290 Injection Molding Machine
shape
Romania, 077145 Pantelimon / Bucuresti

NEGRI BOSSI NB90 SM 290 Injection Molding Machine

09/10/23 09:13
Bids: 1
1,800 €
ARBURG Allrounder 370 CDM 800-325 Injection moulding machine
shape
Romania, 505600 Sacele

ARBURG Allrounder 370 CDM 800-325 Injection moulding machine

31/10/23 09:08
Bids: 0
1,750 €
ARBURG A 270-350-90 Multronica Injection Moulding Machine
shape
Germany, 72108 Rottenburg-Ergenzingen

ARBURG A 270-350-90 Multronica Injection Moulding Machine

09/10/23 15:54
Bids: 0
1,700 €
ARBURG 270 C 500-100 Injection Molding Machine
shape
Play
Germany, 45549 Sprockhövel

ARBURG 270 C 500-100 Injection Molding Machine

18/10/23 10:11
Bids: 0
1,600 €
ARBURG ALLROUNDER CENTEX 320 C 500-100 Injection Moulding Machine
shape
Germany, 86732 Oettingen

ARBURG ALLROUNDER CENTEX 320 C 500-100 Injection Moulding Machine

12/10/23 10:11
Bids: 0
1,500 €
WOOJIN SELEX NS110 Injection Moulding Machine
shape
Slovakia, 911 01 Trenčín

WOOJIN SELEX NS110 Injection Moulding Machine

31/10/23 09:07
Bids: 1
1,500 €

  1. Definition: Injection Moulding Machines
  2. What is an injection moulding machine?
  3. How do injection moulding machines work?
  4. Using a plastic injection moulding machine in modern manufacturing facilities
  5. Where to buy a used injection moulding machine?

Plastic parts, produced by injection moulding, are widespread. This is why injection moulding machines are considered important in plastic processing. The used machinery market supplies strongly vary according to screw diameter, clamping force, controlling system, year of manufacture and operating hours. An injection moulding machine is designed for series production. The liquefied plastic granulate is pressed in the mold, cooled and ejected as a finished plastic part. At Surplex you will find used injection moulding machines from ARBURG and other leading manufacturers. We sell high quality used machines all over Europe.

An injection moulding machine is used to produce plastic parts and components for a wide variety of applications. The plastic used to create these parts is injected into the mould under heat and pressure. It is then cooled until it hardens into the specific shape required. Most injection moulders consist of two main parts: the clamping unit and the injection unit. The mould is held in place either horizontally or vertically with clamps, which are usually controlled by hydraulics or powerful magnets. While there are still some hydraulic injection moulding machines around, the majority are now mechanical or electric. The latest machines are far more precise than they used to be, and they’re capable of much higher levels of productivity.

  • Central production tool for plastic products
  • Very complex machines
  • It is made up of 5 components
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An injection moulding machine consists of a feed, a backflow valve, an injection nozzle, and injector unit and a double cylinder. The raw material of plastic pellets or granules is fed into the machine via a material tank. The individual particles of plastic rub up against each other, which creates a significant amount of heat. Eventually, the heat created starts to melt the plastic granules, and a plastic “paste” develops. Pressure is then used to blast the molten plastic through the injection nozzle and into the mould. After the plastic has cooled (which takes just a few seconds), the shell of the mould is split in half by the backflowvalve. The finished plastic part is released by the ejector unit and drops into a container ready for checking and retrieval.

Injection moulding machine in use

This process of manufacturing plastic parts and components is now very accurate, but it results in a large amount of waste. An advanced injection moulding machine collects this waste efficiently through product and injection channels are kept separate. The moulds used in an injection moulding machine can operate with either a cold runner system or a hot runner system. The cold runner system involves a simple channel that is carved into the mould. The hot runner system is usually more costly, and it involves the use of cartridge heaters to keep the plastic hot in the runners. Although more expensive to operate, this system reduces waste, as the remaining plastic in a hot runner can be injected into the next part.

A modern plastic injection moulding machine is capable of creating very precise component parts for use in many different industries. Fast, efficient and usually very reliable, these machines are capable of producing many injection moulded parts in a relatively short period of time. However, the average injection moulding machine has the potential to be dangerous, so only qualified and experienced specialists use them in large-scale manufacturing operations. The double cylinder can become extremely hot, so great care must be taken in the installation, maintenance and use of these powerful items of machinery.

Many smaller businesses still use manual machines, but large-scale manufacturers save time and money by using automatic versions that improve safety and reduce production costs. Robotic equipment is often used for the retrieval of products, as this speeds up manufacturing and reduces the risk of serious injury.

Surplex.com is an online auctioneer specialising in used machinery for metalworking and woodworking. While we may not have the perfect injection moulding machine for your organisation right now, we are constantly sourcing new equipment from liquidation sales and companies upgrading their existing production lines. Among the respected used plastic injection moulding machine manufacturers often featured in our auctions are STORK, KRAUSS MAFFEI, ENGEL and ARBURG. Sign up to our newsletter to receive news of our next online auction in advance.