All posts by priti_user

What Are The Typical Applications for a Water Treatment Plant?

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Uses of water treatment plant

Hard water is challenging to manage, but the water treatment plant manufacturer in kolkata can help you overcome the challenges. Know about the techniques involved in treating water. 

A water plant manufacturer in Kolkata would inform you that the procedures used to treat wastewater are fascinating and fantastic. The process of turning wastewater into a pure and useful one can occur without posing too many environmental challenges and drawbacks. All methods for treating wasteful water are tried and tested at the water factory. You might once more use this wasteful water in an unadulterated manner by transmitting it.

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What’s A Water Softener Plant And Why Is It Significant?

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Do You Need A Water Softener At Your Home?

A mineral water plant in Kolkata is mainly used to remove impurities from water and make it pure. So, how important is it in households? Let’s check out. 

Manufacturing units as well as industries recycle used water by eliminating metal waste. They remove other impurities from impure water, but that’s not enough! In order to soften the hard water, you will need a water softening plant in Kolkata. Continue to read this blog. 

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Guide to Blow Molding: Benefits, Importance & Applications

HDPE PVC Molding Machine,
A brief about the blow moulding technique

 HDPE PVC Molding machine has been doing the rounds for many years now, Using such equipment to manufacture simple, effective designs without spending much time is beneficial. 

A variety of plastics finds use in blow molding. These plastics pass through a melting process & formed into the parison, which are tube-like pieces of plastic with a hole in one end through which compressed air can pass. After clamping the parison into a mould, the air goes into the plastic out to the shape of the mould. The mould opens once it has cooled and hardened.

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Blow Molding Machines: Single-Stage Compared To Two-Stage

hdpe molding machine, HDPE PVC Molding Machine,
Process of blow moulding in easy steps

 HDPE PVC Molding machine helps in the production of plastic goods during the moulding process. Know about the process involved in detail in this blog. 

The inclusion of HDPE moulding machine to the production of plastic goods is exemplary. In addition, there are different types of blow moulding machinery used to make PET (polyethylene terephthalate) bottles. Manufacturers must decide which injection stretch blow moulding procedure to utilise to make plastic bottles.

The benefits of being able to select the best process include raising productivity, lowering costs, and reducing the number of cycles needed to make these materials. However, you must choose because of the substantial variations between single-stage and two-stage moulding procedures.

Blow Molding Machines

Bottles made of both plastic and glass production use blow moulding machines. Before the plastic components come together to form a bottle. It makes use of a number of techniques to create hollow portions.

There are three main procedures that attempt to make this possible:

  • Stretch blow moulding by injection
  • Blower injection moulding
  • Blower extrusion moulding

The injection stretch blow moulding procedure is necessary to produce PET or plastic bottles, even though each of these will result in the manufacturing of a bottle.

WHAT IS THE PROCESS OF SINGLE-STAGE BLOW MOLDING?

The fact that reforms are complete, stretched and blown on the same machine before cooling gives single-stage processes their name.

Therefore, it may also be that single-stage PET blow moulding machines use a direct process. The integration of the injection moulding system and blow moulding station into a single machine is responsible for this degree of capability.

The steps that make up the single-stage method

The following steps discuss the raw ingredients in bottles using the single-stage method:

  • PET materials are dried and dehumidified.
  • Melting and injecting the raw components through the injection nozzle into the perform mould
  • 120 ° Celsius cooling of the molten material in the preform mould
  • Stretch moulding is started by moving the hot preform mould to a bottle mould.

A Two-Stage Blow Molding Process: What Is It?

Two machines find application in the two-stage injection stretch blow moulding process. These are the stretch blow moulding machine and injection moulding system. In this case, the plastic at first goes into a preform that has fully cooled before being sent to the second machine.

The preform can be sold to a third party even before it is blown using the second machine, and it often includes the bottle’s thread and neck.

Activities Related To The Two-Stage Method

PET materials go through drying and dehumidifying.

Using an injection machine, molten raw materials go into a preform mould.

  • Melting PET cooling to ambient temperature
  • Perform processing by a finishing device
  • Transferring the preform to stretch blow moulding machines that are still heating up
  • Using metal blow moulds to inject high-pressure air into bottles

Conclusion

Do you have an interest in purchasing HDPE and PVC moulding machine to streamline your work process? The best of these machines are provided by Priti International, so get in touch.