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types of roll slitting services
Lee K. HouseApr 27, 20234 min read

What Are the Different Types of Roll Slitting Services?

Suppose you’re a nurse attempting to secure a bandage at a hospital, but when you turn around, there’s only a massive 10-foot log of gauze.

Material suppliers love generating bulk orders because buying in bulk is more cost-efficient. However, these jumbo rolls of material aren’t efficient in everyday use and can cause problems for businesses trying to use them for production. 

As a converter that orders most of our own material in logs, Strouse has extensive experience with each roll slitting method. Each method will give you a slightly different final result in cost and appearance, which is why you should understand the difference between roll slitting services. 

Once you learn about the types of roll slitting services, you’ll be ready to make the right decision for your project to create your ideal end result. 

What Are the Types of Roll Slitting Methods?

At a high level, there are two types of roll slitting methods: log slitting and rewind slitting.

Log slitting involves chopping huge rolls of material into smaller rolls (think bologna slicer at a deli). After mounting a log of material onto a steel roll (also called the “anvil roll”), converters use a rotating knife to slice the material.

log slitting

The process of log slitting involves less setup, so it’s typically faster than other slitting methods. Unfortunately, there are limitations on the width of material for log slitting and constraints on material thickness and tension.

Rewind slitting is the process of slicing singular layers of material rather than rolls and comprises three different methods:

  1. Shear slitting
  2. Razor blade slitting
  3. Score slitting (crush slitting)

rewind slitting machine

Each rewind method can be a standalone process or built into an in-line process on a rotary machine press. Rewind slitting is more versatile due to the range of options and can achieve tighter tolerances.

Strouse performs both log and rewind slitting, but you can see our other services and specifications for yourself:

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Let’s review the different types of rewind slitting methods to prepare you for all of your slitting options. 

What Are the Types of Rewind Roll Slitting Methods?

As mentioned above, there are three types of rewind roll slitting methods: shear, razor, and score slitting. 

Each roll slitting service can either be conducted independently by slitting large material rolls into smaller rolls OR integrated into a more extensive project process, like feeding a log of material into one end and receiving stacks of finished die cut parts to maintain a one-pass production process


shear slitting

Shear slitting uses circular “male and female” knives that interlock to create a scissor-like cutting motion. The material is wrapped around a rotating die and fed between the blades to create a sustained cutting process. 

The material then travels through the press in different, smaller paths until it’s re-rolled into multiple, smaller rolls or used in a project process.

Converters can shear material at relatively high speeds, creating less residue and avoiding common slitting issues like feathering. Yet, because shear slitting requires a set of circular knives, it can be a more costly slitting method. 


razor blade slitting

Razor blade slitting occurs when a stream of material is fed into razor blades at a precise angle.

This process can be done without (razor-in-air) and with support (razor-in-groove), which involves placing a grooved metal below the material to support jobs running at a higher speed for smoother and more accurate cuts at the price of a longer setup time. 

Due to the inexpensive blades, razor blade slitting is the least costly roll slitting method. However, when the material runs through the razor blades, it creates debris and feathery pieces that are sub-optimal for projects with medical applications. 

Razor blades also cannot hold close slitting tolerances and won’t cut through rigid or abrasive materials. 


score slitting

Unlike shear and razor blade slitting, score slitting is often performed directly on the roll of material. Converters divide large material rolls with score slitting by pressing rotating knives against the material.

Converters place material over an anvil roll and set up rotating knives to slice through the material and core in the desired intervals. 

Score slitting is very quick to set up, which reduces labor costs, but it might create dust and rupture the materials’ smooth edges, making them look and feel rough. 

Which Type of Roll Slitting Service Should I Choose?

The roll slitting service you choose depends on the material you’re using, your project budget, and the result you want.

Material is the most crucial consideration for choosing a roll slitting service because certain materials are more likely to fray or will be difficult to cut. Plus, the material thickness can play a prominent role in the difficulty of roll slitting a material.

If you’re looking between log slitting vs. rewind slitting, you’ll want to remember the differences in speed and accuracy. Log slitting has an easier setup time, but there are limitations on material types and tolerances. Rewind slitting offers a range of different options, but each option takes longer to set up because it's cut in-line. 

Razor blade slitting is recommended for jobs using light and non-abrasive materials. On the other hand, score slitting is ideal for paper pressure sensitive tapes because it creates the desired separation between the paper web, and shear slitting is more likely to create a smooth, clean finish,  

When you work with an experienced converter, they’ll already know how your material behaves when roll slitting. If you’re still considering which roll slitting method to use, consider discussing your project with a converter.

Your project budget is also a consideration when choosing a roll slitting service. The cost of roll slitting can vary depending on the process you choose, so you’ll want to consider whether you’re willing to pay more for the result.

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Lee K. House

Copywriter & Content Creator for Strouse. Lee graduated from the University of Alabama in the Spring of 2022 with a double major in English and Spanish.