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Slitting Machines: Log Slitters, Slitter Rewinders & Baloney ...

Apr. 29, 2024

Slitting Machines: Log Slitters, Slitter Rewinders & Baloney ...

What is a Slitter? An Introduction to Slitting

You have a roll of material that’s too wide for your die cutter, printer, laminator or other roll-fed processes. Now what?

If you want to learn more, please visit our website.

You want to reduce material cost and inventory. You can do so by buying standard-size rolls and slitting them into the exact size you need.

 

What is Slitting?

 

 

We build top quality slitting machines for the converting industry. In converting, slitting refers to the process cutting large rolls of material into narrower rolls.

The large roll is typically referred to as the master or parent roll. A slitting machine converts a master roll into one or more narrower rolls.

Because of economies, master rolls are often made as large as possible. When these master rolls are not the correct size for your requirements a slitting machine can reduce their width or even their yardage to fit your process.

 

Common Materials for Slitting

 

Almost any flexible material is a candidate for slitting.

Some of the common materials are:

  • Paper
  • Vinyl
  • Plastics
  • Textile Materials
  • Foam
  • Rubber
  • Adhesive Tape
  • Nonwovens
  • Foil

Types of Slitting Machines

 

There are two distinct types of slitting machines: roll slitters and slitter rewinders. Both are commonly referred to as slitting machines. Yet both have distinct differences.

Each has its advantages depending on your slitting requirements. We offer a wide range of slitters. We produce both roll sitters and slitter rewinders.

 

Roll Slitters

 

 

Roll slitters have a variety of names such as:

  • log slitters
  • baloney slicers
  • baloney cutters
  • single knife roll slitters

Roll Slitters use a large circular blade or fixed band blade to cut all the way through a roll of material. This machine cuts down through the core the material was wound on.

The core of most master rolls is a 3″ (7.62cm) ID paper core. The master roll does not need to be unwound. You can skip the time-consuming process of aligning slitting blades and empty cores.

Rosenthal Roll Slitters are designed to operate in manual models. An operator positions and pulls the blade through the roll of material.

 

This video is a demos a manually operated Rosenthal Super Roll Slitter in use.

 

Automatic models are PLC controlled with auto-positioning and cutting.

These types of slitters are ideal for cutting various types of materials. Materials that are suitable for slitting include:

  • double-sided adhesive tape
  • self-adhesive tape
  • application tape
  • vinyl
  • rubber
  • gasket
  • foam
  • PVC and many other materials.

Roll slitters have several advantages over slitter rewinders, including:

  • Very fast set up
  • Make single cuts very fast
  • No need to have pre-cut cores
  • Lower machine investment

Watch this video of a manual Band Slitter in operation.

 

 

Slitter Rewinders

 

Slitter Rewinders slit the master roll into any desired width rolls. They first unwind the master roll then pass the entire web through a series of slitters. Afterward, it rewinds each section onto a new core.

Slitter rewinders have an unwind for holding the master roll. They have a multi-blade slitting station with adjustable slitting heads. This helps cut the wide material into the required widths. They also include single or duplex rewind shafts. These shafts are for holding the empty cores to rewind the slit material.

 

 

Slitter rewinders can be outfitted with various slitting styles. Razor Slitting, Shear Slitting and Score Slitting (also known as Crush Slitting) are the most common methods.

Slitter rewinders can not only cut material into narrower rolls but can rewind material from one roll to another.

A digital counter lets you measure the amount of material you rewind.

A slitter rewinder can be configured to your specific industry needs and budget.

Basic Features:

A basic slitter rewinder will have features including:

    • razor slitting
    • a single rewind shaft
    • manual tension control.

Available Upgrades:

An upgraded slitter may have other options including:

    • score slitting
    • shear slitting
    • responsive tension control
    • duplex differential rewind shafts.

Differential shafts are adjustable to allow tension on the same shaft to balance from one slitting roll to the next. This is especially important when material thickness varies across the web.

 

Slitter/Rewinder Advantages

 

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Slitter Rewinders have the following advantages over roll slitters:

  • offers the best possible slit edge quality
  • multiple cuts at once
  • can rewind onto variable core sizes
  • can slit a measured yardage/length of material from a master roll

 

Rosenthal’s Slitting Products

 

We build slitter rewinders, manual roll slitters, automatic roll slitters, and rewinders. Each machine is built to order in the USA.

 

 

Companies large and small use Rosenthal Slitters for converting a wide variety of materials.

 

Examples of Materials Suitable for Slitting Include:

    • adhesive vinyl

    • tape

    • premask

    • wovens and non-wovens

    • banners

    • awnings

    • tents

    • fabric and felt

    • leather and suede

    • film

    • foam and foam tape

    • gaskets

    • rubber

    • paper

    • PVC

    • polyester

    • polyethylene

    • polyurethane

    • and many other materials

Send us a sample roll of your material and we are happy to evaluate it for you.

 

If you’d like to see other Rosenthal Slitting Machine products in action, visit our YouTube channel.

Rosenthal Mfg’s Slitter Products

Roll Slitter: RS

Roll Slitter with Unwind: RSW

Band Blade: RSB

Slitter Rewinder: SRD

WHAT CAN A METAL SLITTER MACHINE DO?

If you’re searching for a metal service center, there’s a wide range of factors to consider. These may include the level of customer service, the quality of the materials offered, and the availability of secondary services. Among these, metal slitting can be a handy secondary service to look for in the future.

A metal slitter is an essential piece of equipment for cutting wide coils or rolls into narrower coils. Often a width tolerance of +/- .003” can be achieved with this precision process. Slitters produce coils that are used in various stamping applications, like automotive parts and electronic components.

However, owning a slitter is not enough. You need a trusted team to provide you with valuable insight into the world of metal — that’s where we step in. In this blog, we’ll dive into the different uses and benefits of metal slitting machines and the things to look for in a metal service provider!  

How does metal slitting work?

Metal slitting machines are used to change large metal coils into smaller, more manageable strips. This process starts by feeding a large metal coil into the slitting machine and unwinding it through circular blades. 

These blades make precise cuts in the metal to produce narrow strips. From there, these strips are wound into small coils — making them ready for further processing or distribution. 

Take a glimpse behind the scenes to see how our metal slitters work in this short video:

WHAT MATERIALS CAN YOU PUT IN A METAL SLITTING MACHINE? 

The specific materials that can be put through a metal slitting machine depend on the machine’s design, blade types, and thickness capacity. However, these versatile tools can handle a vast range of materials — from copper to stainless steel — making them a valuable machine in the metal processing industry.

WHAT ARE THE BENEFITS TO USING A METAL SLITTING MACHINE? 

When you outsource your metal slitting needs to a service provider, you can enjoy various advantages, including: 

  • Precision — Metal slitting machines can create precise cuts with minimal waste. This helps to achieve tighter tolerances!
  • Customization — Metal slitting machines can cut metal to specific widths and lengths, allowing you to purchase metal strips customized to your needs. 
  • Consistency — Metal slitting machines produce consistent results, even across large quantities of metal strips. This results in a quality product for end users with reduced variation. 

Plus, buying material pre-cut to the width of your finished product means you won’t be losing material to edge trimming like you would if you were shearing sheet metal.

DOES MEAD METALS OFFER MACHINE SLITTING?

At Mead Metals, we offer customized coil slitting services to meet our customers’ specific requirements. We can cut metal to any width, from 24-inch strips down to quarter-inch strips. Our slitting process is available for any quantity and for all of the metals we carry. 

Additionally, we can also emboss the metal strips to create unique patterns! For example, we collaborated with a fish bait customer to produce a hexagonal design for their slit coils. This saved them time and money by eliminating the need for additional embossing during their production process.

RELY ON MEAD METALS FOR ALL SHEET METAL SLITTING NEEDS

At Mead Metals, we value collaborative relationships with our clients and have been doing so for over fifty years. We specialize in providing premier metal and secondary services (like metal slitting) to meet our clients’ specific needs. Our team takes pride in producing high-quality, low-volume specialty metals and is committed to doing so for decades to come.

 

If you are looking for more details, kindly visit Slitting Machine Manufacturer.

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