Various Types of Shrink Wrap Machines | Uses of Shrink Wrap Machines

1. Various Types of Shrink Wrap Machines

2. About Us • Here at Shrink-wrap we are a team of highly qualified professionals able to service the areas New Zealand with our Head Office in Christchurch. Please contact us to discuss your requirements. • We are committed to completing your work to a high standard with efficiency and professionalism, at affordable rates. With a proven record of satisfied clients you can trust Shrink- Wrap to exceed your expectations. • The Shrink-Wrap team is also committed to supporting and promoting safety in the industry. • Our team hold Site Safe, Height Training qualifications and are passionate about improving industry safety standards.

3. What is Shrink Wrap Machines? • Most people interested in shrink wrapping know you must have a shrink wrap machine to shrink wrap products. • Some people are unsure, some people think of the sealer and others think of the shrink tunnel as the shrink wrap machine. • Both machines, the tunnel and the sealer should be considered a shrink wrap machine. • They both work together to produce professional looking packaging that will protect products from dust, moisture, and tampering. As well as provide a see-through packaging to display the product.

4. Types of Shrink wrap Machines Heat Sealer I-Bar Sealers L-Bar Sealers

5. Heat Sealer • Most all shrink wrap operations use a heat sealer to seal the open ends of the shrink wrap material. • There are some exceptions when a sealer is not required or used, but most applications use a heat sealer. • Shrink wrap sealers can come in a variety of sizes and forms depending on production needs. • The two most common heat sealers are I-Bar sealers and L-Bar sealers.

6. I-Bar Sealers • These sealers are named I-Bar because of the single sealing bar they have. • I-Bar sealers are found in many low output operations. • There are high speed shrink wrap applications that use I-Bar sealers with shrink tubing and shrink bags. • The single sealing bar works great for shrink bags and shrink tubing in high speed operations.

7. L-Bar Sealers • These sealers cost more, but are often more efficient for higher speed production. • The L-Bar sealer has two sealing bars in the shape of a backwards L. • They are designed to seal centerfold shrink film rolls. • The centerfold shrink film rolls are folded in half length ways. • The product is placed in the crease of the fold and the other three sides need to be sealed. • After the first seal, only two sides need to be sealed. The ending seal on the first product is the beginning seal for the next product.

8. Heating Element • Once the shrink film is sealed, heat needs to be applied to the film to shrink it down to conform to the product. • Different shrink wrap materials require different heat temperatures. • Most lower output operations use a heat gun to apply heat to their products. • They are inexpensive, but not efficient when producing a high to moderate number of shrink wrapped products. • For medium to higher output products, a shrink tunnel is recommended. • The box on the left side of the picture above is the shrink tunnel. • Shrink tunnels have a conveyor belt running through them to feed the products through. • Adjusting the speed of the conveyor belt and the temperature of the tunnel is important to finding the proper shrink settings.

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