Wednesday, 18 April 2018

Get To Know About An Automatic Shrink Wrap Machine.

The Automatic Shrink Wrap Machine was invented years ago but with days and advancement of technologies the features and the quality has also updated. Since the invention of this machine there has the requirement to apply heat to get ‘shrink’ as the name signifies. The manufacturers or the workers in the industry need to heat the material quickly and in bulks on the assembly lines. The contemporary and advanced shrink wrap machines vary in terms of size and complexities to handheld the sealers and the heat guns to industrial automation, which can apply that material and heat it in the conveyor-fed oven.

Small Sized Automatic Shrink Wrap Machines

The smaller sized mechanized shrink wrap machines are generally single-purpose devices, which are only part of the process of shrink wrapping.
Sealers: -The sealers are used for clamping pieces of the shrink wrap together and then seal these by heat application. These can also indulge bladed edges for cleanly cutting shrink wrap. These devices come in a broad variety of models ranging from the smaller handheld models to the larger freestanding or tabletop machineries.
Heat Guns: -The heat guns are the handheld devices that are similar to a hairdryer in some respects. These are used for manual shrinking and seal shrink wrapping.
One-Step Systems: -These are somewhat larger in size and are designed for sealing and shrinking the wrap under a single hood and are available in a broad array of dimensions to fit several different boxes.
Shrink Wrap Tunnels: -Available in different sizes, these tunnels are the small conveyor belt fed ovens, which apply heat for tightening the shrink wrap. These small sized shrink wrap machines are suitable for the smaller establishments and manufacturers, which do not make use of shrink wrap for all their merchandise.

Industrial Shrink Wrap Machines

The larger industries and the manufacturers need the large shrink wrap machines. These are usually all-in one mechanized machines, which are capable of tightening and wrapping shrink wrap over almost dozens of packages per minute. Most of the times, the industrial shrink wrap machines are included on assembly line. Exactly what type of shrink wrap machines are preferred and used by the major industries highly depends on the distinct needs and applications of the industries. Most of the PVC moulding machine manufacturers also manufacture the shrink wrapping machines that are packed with the latest features. 

Monday, 12 March 2018

Use Shrink Wrap Machine For Automatic Packaging Applications

A shrink wrap machine is broadly used in the industrial applications for the automated packaging processes. Due to the requirement for rapid and more efficient packaging techniques, the shrink wrap machine has updated by including the shrink tunnel and web sealers. 

What are the Operating Principles of the Web Sealer Tunnel/Sleeve Wrapping Machines? 

  • The Shrink Wrapping Machine is used extensively for forming the plastic polymer film all around the item being packaged. The polyolefin wrap that is put all around the item act as the protective material. It is a simple packaging technique and is broadly used in several industrial packaging systems like food, soft drinks, pharmaceuticals, agro chemicals, etc. 
  • Conventionally, the shrink wrap machine was found to have L bar feeders where the operators could fit the plastic polymers. The manual technique is then replaced with the Automatic Shrink Wrap Machine that includes web sealer and shrink tunnel. 
  • The shrink tunnel is now fitted in most of the shrink wrap machines and is an integral part of the packaging process. The tunnel manages and reins the dimensional stability of shrink wrap thus enabling it to accomplish the perfect shape around the product that is packaged. 
  • The shrink tunnel is escalated on the conveyor system with plastic wrap that is loosely hanging on shrink tunnel. The gap between the rollers and the top of the shrink tunnel is warmed to allow the shrink wrap to coil around the item loosely and then seal it. Most of the shrink wraps incorporate diverse cooling and heating mechanisms in order to ensure that the packaging method is effective. 
Processing Capability and Capacity of the Shrink Tunnel Machines:-
  • Early, the shrink wrap machines had the L bar feeders and manual feeds. The procedure was quite slow and could package a few items in a minute. 
  • Due to the requirement for augmented speed, the automated conveyor systems, the shrink tunnel, the heat and air flow controllers and the web sealers have been fitted in most of the shrink wrap machine models. The automatic control and feed enable faster packaging. These machines are capable of packaging approximately 100 products in a minute. 
  • All systems are completely automated and are cautiously controlled using the PLCs and computers. The systems cool and heat the shrink wrap while conveyor system moves the items. The product is ultimately packaged and sealed using web sealer. 
  • The dimensions of the sealed package, cooling and heating time, weight, and the sealing length can be adjusted in order to suit specific application. Most of the machines have the maximum limit on parameters as per the size of the machine. 
Why Web Sealer is Incorporated on the Shrink Tunnel Machines? 
  • Including a web sealer completely automates the packaging technique thus, ensuring that wrap paper and the product are fed into the machine. The shrink wrap along with the web sealer perform functions like shrinking and wrapping the item. 
  • These machines are broadly used in the automated packaging methods where rapid packaging is needed.

Friday, 12 January 2018

Things To Know About An Injection Molding Machine

The array of the most reputed manufacturer and supplier of Turnkey Project Solutions in Kolkata incorporate an injection molding machine too besides the other featured-packed machineries.

Now, What Is An Injection Molding Machine?

An injection molding machine is also known as an injection press. It is used for manufacturing the plastic items by the process of injection molding. The machine has two major parts, a clamping unit and an injection unit.

How The Machine Is Operated?

The molds of the injection molding machine can be fixed firmly in either a vertical position or a horizontal position. Most of the industrial machines are found to have a horizontal orientation. The vertical machines are used mainly in few niche applications like allowing the machine for taking advantage of the gravity and for insert molding. 

Some of the vertical machines do not need the mold to get tied up. There are several techniques of fastening the apparatuses to the platens, manual clamps being the most commonly used ones. However, the magnetic clamps and the hydraulic clamps are also used sometimes for the same purpose. These machineries are used where the fast tool alterations are needed. 

The manufacturer of the Injection Molding Machine selects that whether the mold will work the best if a cold runner system is used or if a hot runner system is used for carrying the plastic directly from the injection unit straight to the cavities. A cold runner is a  straightforward channel that is carved into the machine’s mold. 

The plastic, which fills this type of runner cools down as the portion cools and then it is ejected along with the portion as a spruce. The hot runner system is a bit more knotty, often making the use of cartridge heaters for keeping the plastic in the hot runner as the part cools down. After the ejection of this part, the plastic that is remained in the hot runner is then injected into the subsequent part. 

Features Of A HDPE And PVC Injection Blow Molding Machine: -
  • Double heads, triple heads, four heads, or five heads
  • Zebra Line head having two layers, three layers, or four layers
  • Single or double stations without or with a de-flashing machine in diverse models
  • The bobbling extruders
  • Being able to view the strip machineries
  • Bottom propelling system
  • Angular waft attachment
  • Multi-point controlling system
  • Extruders with larger screw
  • Fitted with the hot wire cutters
  • Tremendous variable speed of AC drive with high outcomes