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Injection Moulding Machines

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Powerful injection moulding machines for plastics processing
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KRAUSS MAFFEI 350-750 CX Injection Moulding Machine
shape
Play
United Kingdom (Great Britain), OX20 1TU , Woodstock
KRAUSS MAFFEI 350-750 CX Injection Moulding Machine
31/10/2024 15:00
Bids: 0
18,000 €
WAVE AXOR 200 HS 50 Injection Moulding Machine (unused)
shape
Viet Nam, 70000 Ho Chi Minh City
WAVE AXOR 200 HS 50 Injection Moulding Machine (unused)
WAVE ARGO 280 R FIFO Injection Moulding Machine
shape
Viet Nam, 70000 Ho Chi Minh City
WAVE ARGO 280 R FIFO Injection Moulding Machine
KRAUSS-MAFFEI KM 320-1900 C3 Injection Moulding Machine
shape
Play
Romania, 107400 Paulesti, Prahova
KRAUSS-MAFFEI KM 320-1900 C3 Injection Moulding Machine
14/11/2024 09:00
Bids: 0
9,000 €
ENGEL Victory 300H80W/110 Combi Injection Moulding Machine
shape
Play
Hungary
ENGEL Victory 300H80W/110 Combi Injection Moulding Machine
18,000 €
KRAUSS-MAFFEI KM 180-750 AX Injection Moulding Machine
shape
Poland, 54-156 Wrocław
KRAUSS-MAFFEI KM 180-750 AX Injection Moulding Machine
05/11/2024 10:13
Bids: 1
5,500 €
BORCHE BS150 Injection Moulding Machine
shape
Poland, 54-156 Wrocław
BORCHE BS150 Injection Moulding Machine
05/11/2024 10:27
Bids: 1
4,900 €
ENGEL DUO 3550/650 Injection Moulding Machine
shape
Poland, 52-407 Wrocław
ENGEL DUO 3550/650 Injection Moulding Machine
05/11/2024 10:18
Bids: 2
4,950 €
STORK SX-N 12000-8600 Injection Moulding Machine
shape
Poland, 54-156 Wrocław
STORK SX-N 12000-8600 Injection Moulding Machine
05/11/2024 10:17
Bids: 0
4,250 €
KRAUSS-MAFFEI KM 420-3500 C2 Injection Moulding Machine
shape
Poland, 54-156 Wrocław
KRAUSS-MAFFEI KM 420-3500 C2 Injection Moulding Machine
05/11/2024 10:11
Bids: 1
3,900 €
TOSHIBA IS650 GTW-59AT Injection Moulding Machine
shape
Poland, 54-156 Wrocław
TOSHIBA IS650 GTW-59AT Injection Moulding Machine
05/11/2024 10:15
Bids: 0
3,500 €
DEMAG Concept 300/630-2300 Injection Moulding Machine
shape
Poland, 52-407 Wrocław
DEMAG Concept 300/630-2300 Injection Moulding Machine
05/11/2024 10:05
Bids: 1
3,250 €
BATTENFELD TM 4500/2800 Injection Moulding Machine
shape
Poland, 54-156 Wrocław
BATTENFELD TM 4500/2800 Injection Moulding Machine
05/11/2024 10:08
Bids: 1
2,950 €
ARBURG 520C 2000-675 Injection Moulding Machine
shape
Poland, 54-156 Wrocław
ARBURG 520C 2000-675 Injection Moulding Machine
05/11/2024 10:25
Bids: 0
2,950 €
FERROMATIK K-TEC 275S Injection Moulding Machine
shape
Poland, 52-407 Wrocław
FERROMATIK K-TEC 275S Injection Moulding Machine
05/11/2024 10:01
Bids: 1
2,950 €
BATTENFELD HM 600/130 Injection Molding Machine with Robot Feeder
shape
Poland, 43-300 Bielsko – Biala
BATTENFELD HM 600/130 Injection Molding Machine with Robot Feeder
Closes in: 0d 11h
Bids: 1
2,500 €
FANUC ROBOSHOT Alpha-S220iA Injection molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
FANUC ROBOSHOT Alpha-S220iA Injection molding machine
12/11/2024 10:20
Bids: 0
49,000 €
ARBURG ALLROUNDER 375 V500-100 Injection Moulding Machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
ARBURG ALLROUNDER 375 V500-100 Injection Moulding Machine
12/11/2024 12:59
Bids: 0
35,000 €
FANUC Roboshot Alpha-S100iA Injection molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
FANUC Roboshot Alpha-S100iA Injection molding machine
12/11/2024 10:09
Bids: 0
29,000 €
ARBURG 520S 1600-400 Molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
ARBURG 520S 1600-400 Molding machine
12/11/2024 10:15
Bids: 0
25,000 €
ARBURG 520S 1600-400 Molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
ARBURG 520S 1600-400 Molding machine
12/11/2024 10:16
Bids: 0
25,000 €
WITTMANN BATTENFELD SmartPower 160/750 UNILOG B8 Injection molding machine
shape
Hungary, 9200 Mosonmagyaróvár
WITTMANN BATTENFELD SmartPower 160/750 UNILOG B8 Injection molding machine
12/11/2024 10:14
Bids: 0
31,000 €
FANUC Roboshot Alpha-S100iA Injection molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
FANUC Roboshot Alpha-S100iA Injection molding machine
12/11/2024 10:10
Bids: 0
21,000 €
ARBURG ALLROUNDER 520 E 1500-400 Injection molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
ARBURG ALLROUNDER 520 E 1500-400 Injection molding machine
12/11/2024 10:08
Bids: 0
20,000 €
ARBURG ALLROUNDER 520 E 1500-400 Injection molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
ARBURG ALLROUNDER 520 E 1500-400 Injection molding machine
12/11/2024 10:07
Bids: 0
20,000 €
FANUC Roboshot Alpha-S50iA Injection molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
FANUC Roboshot Alpha-S50iA Injection molding machine
12/11/2024 10:12
Bids: 0
18,000 €
ARBURG ALLROUNDER 470 E 1000-170 Injection molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
ARBURG ALLROUNDER 470 E 1000-170 Injection molding machine
12/11/2024 10:04
Bids: 0
15,000 €
ARBURG ALLROUNDER 520 E 1500-400 Injection molding machine
shape
Hungary, 9200 Mosonmagyaróvár
ARBURG ALLROUNDER 520 E 1500-400 Injection molding machine
12/11/2024 10:05
Bids: 0
17,000 €
ARBURG 375 V 500-100 Injection Molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
ARBURG 375 V 500-100 Injection Molding machine
12/11/2024 10:01
Bids: 0
21,000 €
FANUC Roboshot Alpha-S50iA Injection molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
FANUC Roboshot Alpha-S50iA Injection molding machine
12/11/2024 10:11
Bids: 0
10,000 €
ARBURG ALLROUNDER 520 E 1500-400 Injection molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
ARBURG ALLROUNDER 520 E 1500-400 Injection molding machine
12/11/2024 10:06
Bids: 0
15,000 €
ARBURG ALLROUNDER 470 E 1000-170 Injection molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
ARBURG ALLROUNDER 470 E 1000-170 Injection molding machine
12/11/2024 10:03
Bids: 0
10,000 €
ARBURG ALLROUNDER 470 E 1000-170 Injection molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
ARBURG ALLROUNDER 470 E 1000-170 Injection molding machine
12/11/2024 10:02
Bids: 0
10,000 €
ARBURG 470S 1100 290 Molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
ARBURG 470S 1100 290 Molding machine
12/11/2024 10:19
Bids: 0
8,000 €
ARBURG ALLROUNDER 370 S 500-100 Injection molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
ARBURG ALLROUNDER 370 S 500-100 Injection molding machine
12/11/2024 10:18
Bids: 0
5,900 €
ARBURG Allrounder 520 C -2000-675 Injection Moulding Machine
shape
Germany, 72108 Rottenburg-Ergenzingen
ARBURG Allrounder 520 C -2000-675 Injection Moulding Machine
12/11/2024 10:19
Bids: 0
5,400 €
ARBURG ALLROUNDER 370 S 500-100 Injection molding machine
shape
Play
Hungary, 9200 Mosonmagyaróvár
ARBURG ALLROUNDER 370 S 500-100 Injection molding machine
12/11/2024 10:17
Bids: 0
5,000 €
BORCHE BS150 Injection Moulding Machine
shape
Poland, 54-156 Wrocław
BORCHE BS150 Injection Moulding Machine
05/11/2024 10:31
Bids: 1
4,900 €
ENGEL ES 4550/600 HL Injection Moulding Machine
shape
Austria, 4030 Linz
ENGEL ES 4550/600 HL Injection Moulding Machine
05/11/2024 14:00
Bids: 1
4,900 €
BATTENFELD HM SO 4500 / 1900 Injection moulding machine
shape
Romania, 107400 Paulesti, Prahova
BATTENFELD HM SO 4500 / 1900 Injection moulding machine
14/11/2024 09:03
Bids: 0
4,800 €
ARBURG Allrounder 370 S 500-100 Injection Moulding Machine
shape
Germany, 86732 Oettingen
ARBURG Allrounder 370 S 500-100 Injection Moulding Machine
Closes in: 1d 16h
Bids: 0
4,400 €
BORCHE BS150 Injection Moulding Machine
shape
Poland, 54-156 Wrocław
BORCHE BS150 Injection Moulding Machine
05/11/2024 10:21
Bids: 0
3,900 €
BATTENFELD TM 3500/1900 Injection Moulding Machine
shape
Poland, 54-156 Wrocław
BATTENFELD TM 3500/1900 Injection Moulding Machine
05/11/2024 10:20
Bids: 0
3,500 €
BATTENFELD TM 5500/2800 Injection Moulding Machine
shape
Poland, 54-156 Wrocław
BATTENFELD TM 5500/2800 Injection Moulding Machine
05/11/2024 10:16
Bids: 1
3,500 €
KRAUSS-MAFFEI KM 650-5700 CM Injection Moulding Machine
shape
Poland, 52-407 Wrocław
KRAUSS-MAFFEI KM 650-5700 CM Injection Moulding Machine
05/11/2024 10:24
Bids: 1
3,500 €
BATTENFELD HM 500/5100 Injection Moulding Machine
shape
Poland, 54-156 Wrocław
BATTENFELD HM 500/5100 Injection Moulding Machine
05/11/2024 10:10
Bids: 0
3,500 €
DEMAG ERGOTECH 100/420-310 system Injection Moulding Machine
shape
Italy, 47027 Sarsina
DEMAG ERGOTECH 100/420-310 system Injection Moulding Machine
15/11/2024 10:08
Bids: 0
2,050 €
BATTENFELD TM 4500/2800 Injection Moulding Machine
shape
Poland, 54-156 Wrocław
BATTENFELD TM 4500/2800 Injection Moulding Machine
05/11/2024 10:23
Bids: 1
2,950 €
BATTENFELD TM 4500/2800 Injection Moulding Machine
shape
Poland, 54-156 Wrocław
BATTENFELD TM 4500/2800 Injection Moulding Machine
05/11/2024 10:02
Bids: 2
3,150 €
TOSHIBA IS450GSW-27AT Injection Moulding Machine
shape
Poland, 54-156 Wrocław
TOSHIBA IS450GSW-27AT Injection Moulding Machine
05/11/2024 10:12
Bids: 0
2,950 €
  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.