conveying

FAQ for Experts. Answers by Experts.

34

How can material distribution be automated?

Operating principle of a selection station with base plate (grey) and turntable (orange) with connection pipe. The material is conveyed from the material feed line (A) through the connection pipe to the machine (B).

mo explains fully automated material distribution systems

As well as the distribution systems with proportioning valves or manually operated coupling stations described in Issue 33, automated material changes can also be performed. …


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33

How can material be optimally distributed?

The Metromix proportioning valve (left) can also be retrofitted. After removing the transparent lid, it is easy to clean. Right, a coupling station with 6 inlets and 36 outlets

mo explains how material proportioning valves operate
Supplying a single processing machine with only one material is relatively simple. It becomes a little more complicated when regrind, as well as virgin material, should be supplied to the processing machine. …


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32

When is it necessary to purge material lines?

When conveying powder, filter and powder must be suited to each other, otherwise particles may permeate the filter or block the filter

mo explains why purging can contribute to plant safety

The point of purging is to remove or minimise transported material deposits from a material line. …


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31

How does the dedusting of granulate work?

The material is dedusted while it is being conveyed in the material loader.

mo explains the dedusting units and implosion purging of filters

For the production of high quality parts, fine dedusting of the material may be required at the end of the conveying process, even if the material is virgin material. …


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30

What happens with the dust in the conveying system?

Filter: Central filter system with dust collection

mo explains explains security measures against dust contamination

Dust particles can cause a variety of problems in plastics processing, from quality loss and waste to problems during processing. …


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29

Which marginal conditions are important when choosing a material loader?

From the left: Material loader with side mounted vacuum valve and angled material inlet, material loader with membrane vacuum valve for clean room use, dedusting module, material inlet flap with reinforced deflector

mo explains details regarding the configuration of material loaders
In addition to the throughput and the local conditions, numerous other criteria are important for the conception of a material supply, which can also affect the configuration of material loaders. …


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28

How can multiple machines be supplied with different material?

Scematic representation of a machine related conveying system

mo explains the concepts of multi-point conveying systems

If multiple machines in plastics processing need to supplied with different plastics, then normally the installation of a multi-point conveying systems would be sensible. …


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27

How does the material reach the processing machine?

Different versions of stand-alone material loaders for vacuum conveying: Venturi material loader METRO VL (lower left) and METRO HES 50 (middle) for throughputs of up to 50 kg/h back and right material loaders of the METRO HBS range to be connected to a separate blower station.

mo explains how vacuum material loaders work

Vacuum conveying, or suction conveying, has established itself in plastics processing as the method of supplying machines with material. …


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26

What are the different types of pneumatic conveying?

Schematic representation of a conveying system

mo explains how vacuum material loaders work

The two main conveying systems are pressure and vacuum conveying for pneumatic conveying within the plastics industry. …


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25

Which types of material conveying are relevant for plastics processing?

The most important conveying principle in plastics processing in pneumatic conveying, where the material is conveyed with air

mo explains the procedural principles of bulk material conveying

Hydraulic, mechanical, and pneumatic conveying systems are options for material handling in the plastics industry, in regards to the conveying of bulk material. …


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