Tool Testing Unit

Are all of the water circuits in your injection moulding tool really tight and are the flow rates correct?

As a producer of plastic goods, you are certainly aware that setting the injection moulding tool twice is very costly. This usually occurs only when it is discovered that the cooling circuits are blocked or leaking after the injection moulding tool has been set. That is why we developed Mold Check, a compact test unit for rapidly checking the tightness of cooling water circuits and for the precise measurement of the water flow rate through the injection moulding tool.  Meld Check therefore offers a quick and reliable test of the tool out of the injection moulding machine after performing maintenance work. It has also proven to be an excellent time saver during the final inspection of new injection moulding tools in the mould making plant. Mold Check allows you to use the same unit for:

  • Compressed air purging
  • Water purging
  • Water tightness testing
  • Water flow rate measurement
  • Blowing out the water circuits

Completely check and document the cooling system

Mold Check in unique on the market because it combines tightness testing and flow rate measurement in one unit. Therefore, you only have to connect up to six circuits that Mold Check supports one time. The test is then performed via the intelligent self-explanatory user guide and is largely automatic.

As Mold Check stores and documents the flow rate values you can immediately see if all of the water circuits are working properly and nothing is clogged. This is a real time and cost saver and makes nasty surprises after the injection moulding tool has been set a thing of the past.

Mold Check is ideal for performing the final inspection, both in injection moulding tool manufacturing and maintenance work in the tool shop.

The tool testing unit’s interface

With the user-friendly touch display, inspection of your instrument is easy, and takes just a few minutes to set up and carry out.

The control panel enables you to trigger 5 inspection cycles (compressed air rinsing, water rinsing, leak test, flow rate measurement, blow out tool) separately in turn.

All you need to do beforehand is enter parameters for the number of cycles, test pressure and rinse pressure. You can then start the tests. You can also select automatic mode, in which leak tightness, flow rate measurement and tool blow out run completely automatically. Regarding the analyses of leak tightness and flow rate, afterwards you have the opportunity to view all the recorded measurement values, to compare them with earlier data or to make and save screenshots. Mold Check provides you with a range of options for viewing or storing your measurement values or for transferring them to a superordinate QM system.

Other capabilities also offered by Mold Check:

  • Measurement, data storage and documentation
  • Internal data storage for 250 injection moulding tools
  • External data storage via USB and FTP
  • OPC UA interface, for example for connection to MES or QM systems
  • Connections for simultaneous testing of up to 6 circuits
  • Multi-coupler connection capability
  • Serviceable water volume:  35 litres
  • Sensor monitored fill level control
  • Automatic filling capability
  • External overflow tank
  • Pump with the testing and working pressure adjustable between 0.5 and15 bar (depending on the volume flow capability)
  • Central flow rate sensor in the return line for 0.2 to 50 litres
  • Centrifugal pump insensitive to contamination
  • Easily accessible integrated water filter
  • Mobile installation on castors
  • Control box is a splash-proof design in accordance with IP54

FAQs regarding the topic of the tool testing unit

Mold Check makes it quick and easy to test whether all of the coolant circuits have the correct flow rates and all of the cooling zones are one hundred percent tight before the injection moulding tool has been set in the injection moulding machine. This prevents having to remove the injection moulding tool directly after setting and the risk of accidents due to the leakage of hot water. Costly downtime is kept to a minimum.

Our Mold Check diagnostic tool makes these problems a thing of the past. After each maintenance task, flow rates can be checked, stored and compared with set values or previously recorded values. Using Mold Check, it is possible to check the cooling system for leaks without having to rearrange the connections. If Mold Check indicates that everything is tight all of the cooling circuits are blown out with compressed air and the injection moulding tool is released for installation. Mold Check integrates flow rate measurement and the checking of the cooling system for tightness in one unit and therefore offers real cost savings.

Yes, with Mold Check, you can store all of the measured flow rate values of the individual cooling circuits and conveniently recall them at any time, even at the same time as performing new measurements. This enables rapid detection of any changes. The documentation of flow rates also quickly reveals any changes in the injection process, for example, changes in the temperature balance. Meld Check is also capable of automatically uploading the values to a higher-level MES or QM system via a standard OPC UA interface.

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