Coverbind Accel Flex Thermal Binding Machine with Cooling Rack
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Coverbind Accel Flex Thermal Binding Machine with Cooling Rack

Brand: Coverbind
FAQ: 3 Questions, 3 Answers
  • System Capacity (Between Dividers): Up to a 2" Thick Spine
  • Cycle Speed: 1 Minute / Binding Cycle
  • Speed: 15 Documents / Minute
  • Approximate Annual Volume: Less than 2,000 Documents per Year
  • 90 Day Manufacturer Warranty
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The Coverbind Accel Flex is the perfect tabletop thermal binding machine for small businesses, medium businesses, and even large businesses with daily binding needs. It features a large binding plate that will handle Coverbind thermal binding covers up to the largest 2" size available, as well as over-sized documents up to 14 ⅞" high; this means you can bind legal size documents in addition to standard letter size and mini documents. It can bind up to 15 books at one time*, and has a quick 60 second binding cycle, which gives your output speeds of up to 900 documents per hour. It is a powerful, compact, and attractive binding machine that fits perfectly into any office environment. If your office needs to bind higher volumes of books in bulk from time to time, or needs to make a single document for a client presentation, the Coverbind Accel Flex thermal binding machine can get the job done with low production and labor costs. Whether you need to bind hard covers for premium client presentations, or soft covers for manuals, reports, and more, the huge variety of Coverbind covers is sure to full your needs. These covers offer the strongest bind on the market with their EVA adhesive and unique cotton mesh/glue combination.
In addition to binding, the Accel Flex also allows you to easily edit documents by simply re-heating the spine (just like you would to bind), removing/editing pages, then re-binding. Often paired with it's big sisters, the Accel Cube and Accel Ultra, the Accel Flex makes a great compliment machine, allowing for the thicker documents and working as a book editor tool. Buy the Coverbind Accel Flex thermal binding machine online today to start producing the highest quality bound books quickly, and easily.
   • Accel Flex
   • Cooling Rack


Manufacturer Coverbind USA
Suggested User Small Office, Medium Office, Large Office
Binding Style Thermal Binding
Included Supplies & Accessories Cooling Rack
Compatible Supplies & Accessories Coverbind® Supplies [Sizes 1/16", 1/8", 1/4", 3/8", 1/2", 5/8", 3/4", 1", 1 ¼", 1 ½", & 2"]
Power Voltage 115v Single Phase 50/60 Hz
Dimensions 20" W x 19" D x 15" H
Document Size Min: 5 ½" W x 8 ½" H [Half Size], Max: 8 ½" W x 14" H [Legal Size, Portrait]
System Capacity (Between Dividers)* Up to a 2" Thick Spine
Cycle Speed 1 Minute / Binding Cycle*
Speed 15 Documents / Minute*
Approximate Annual Volume Less than 2,000 Documents per Year
Product Weight (lbs) 12
Shipping Weight (lbs) 19
Shipping Information Ships via UPS


The Coverbind Accel Flex was manufactured specifically for offices and businesses with frequent soft cover and hard cover binding needs, with up to about 2,000 books per year. If you're binding more than this, consider the more automated Coverbind Accel Cube machine instead. The Accel Flex is a durable, fast, and convenient thermal binding machine that will meet the various on-demand binding needs for small, medium, and often times, large offices. It also works as a perfect complimentary machine for the larger Accel Cube and Accel Ultra machines. The Accel Flex requires no warm up time, and is so simple to use, that literally anyone in your office can use it without any real training. Just three easy steps are needed to create the most immaculately bound presentations, reports, proposals, manuals, yearbooks, and more with this desktop thermal binding machine.

In addition to the incredibly easy operation, the Coverbind Accel Flex will produce both hard and soft covers as quickly as 900 books per hour. You can bind both hard and soft cover books together, as well as any spine sizes together - as long as they are all within the 2" binding capacity overall. This means you can bind different jobs together, eliminating size change over time and hassle.

Accel Flex Instructions:

  1. Turn on the machine and gather your pages together into a square stack. Place the stack into the spine size selector; the screen will inform the operator which Coverbind cover spine size you should be using based on the document thickness. This eliminates any guesswork, and helps create an immaculate finished piece. The Coverbind Flex will work with the full range of Coverbind supply spine sizes, from 1/16" up to 2".
  2. Insert your page stack into the cover size recommended, and place the cover into the machine. You can place them one at a time, or in batches with several books. The slot will hold up to a 2" thick spine, so depending on your document thickness, you can place up to 15 documents in at one time*.
  3. Drop&Go technology means that you don't have to stand around while the machine binds. Simply place your documents in, and walk away to perform other tasks. The binding process takes only about 60 seconds*, and the Flex will count down, emit a tone, and the light will turn red when the bind is complete, notifying your user they can remove the documents, place them into the included cooling rack, and bind the next batch. Books should remain in the cooling rack for at least 2 minutes before being handled. Thicker books should be left longer (see below tips).

Accel Flex Helpful Tips:

  1. Don't Over-Stuff Covers - Always use the correct cover size for your book thickness. Don't over-stuff the covers. You will know a cover has been overstuffed if you find that the back and/or front pages are coming out. Ensure all pages are flush and square with the front and back covers; this guarantees that each book looks perfect and every page is able to adhere properly into the glue.
  2. Don't Use the Front Slider as a Clamp - he front slider is there for vertical support only, and is not intended to be used as a clamp. Covers that are clamped too tightly will push pages upward and prevent them from reaching the glue. Only push the slider gently against your covers for support.
  3. Always Let Documents Cool - Cooling is an essential step in the binding process. Once the binding is complete, gently tap the covers on the sides and top and move the book to the cooling station in an upright position for about 2 minutes. The tapping helps ensure all pages are settled into the glue, while the cooling process allows the glue to finish curing.
  4. Wide-Spine Binding - Always jog your document carefully before heating. Place your cover into the heating unit like normal. After about 15-20 seconds, firmly press down on the cover toward the heating plate to ensure that the entire width and length of the spine is pressed firmly against the plate. When the heating cycle is complete, tap the sides and top of the cover so all pages are flush with the cover edges before removing from the unit. Place the cover on the cooling rack and allow it extra cooling time of between 5-10 minutes.

How to Edit a Book After Bound:

Coverbind covers can be edited up to a maximum of 3 times and still retain strong glue integrity. Follow these instructions for adding or removing pages in your Coverbind covers with your Accel Flex thermal binder.

  1. Adding a Page - Place the page you are adding into the already bound document. It will stick up about 1/4” from the top of the document. Place the document, spine side down, in the binding machine. Wait until your heating time comes down to 2 to 3 bars. This ensures the glue has been heated. Begin tapping gently on the top of your document and it will make the page drop down into the cover. Jog your pages to make them smooth and even. Then place in cooling rack for 2 minutes.
  2. Removing a Page - Mark the page you wish to remove in your document. Place your document in the binding machine. Wait until your binding time comes down to 2 to 3 bars. Move the clamp forward while holding your document up, hold the front of the document and the back of the document making sure the page to remove is the only thing in the middle. Slide the page to the side to completely remove it from the document. This ensures that none of the glue will come up and ruin the rest of your document. Jog your pages and then place in the cooling rack for 2 minutes.

Accel Flex Benefits & Features:

   • Simple - The Accel Flex is incredibly simple to use, and doesn't need any special training. There are no complicated settings on the machine, so truly anyone in your office can operate it. This makes it easy to create on-demand, and as-needed, no matter how many staff members you have. Three easy steps will bind perfectly finished documents. Just place your document pages into a Coverbind thermal binding cover, place the entire document (or multiple documents at one time) into the machine, and walk away.
   • Fast - The Accel Flex is a fast thermal binding machine and will bind up to 15 books at one time* and as fast as 900 documents per hour*. This is much faster than any traditional punch and bind binding method, which saves your users' valuable time so that you can meet on-demand requirements without high production costs.
   • Small - The Accel Flex is a compact tabletop machine that packs a powerful punch for its size. It measures just 10 ⅜” W x 17 ⁹/₁₆" D x 5 ¼” H and weighs just 12 lbs. It easily fits onto any desk or worktable.
   • Versatile - The Accel Flex is very versatile, able to not only bind books up to 2" thick, but also to bind all different assortment of spine sizes together, at the same time. This means there is no complicated change overs or setting adjustments needed. There is also a huge selection of Coverbind covers for you to choose from, including both soft/flexible covers and hard covers. We even have covers that you can customize in-house, and we can also produce custom covers for you.
   • Strong - The glue used on our Coverbind covers is unique to Coverbind only and provides the most superior thermal bind on the market. The glue is an EVA adhesive, which is incredibly strong, and that strength is only reinforced further with a cotton mesh that is built in within the glue strip where, as the glue heats up, it is exposed to grab a tight hold to each and every sheet in your document. With these features, Coverbind covers are compatible with virtually every paper stock you can imagine, including textured paper, coated and glossy stock, and even laminated pages. The glue is not "poured" into the spine, as with other brands of thermal covers, and so it will never seep out of the documents, and will also provide an even coating on every page.
   • Perfected Design - The Coverbind Accel Flex is a 3rd generation Bindomatic thermal binding machine that has been perfected over the years to provide the perfect desktop binding solution for offices.
   • Attractive - The Accel Flex is a great looking machine, featuring a sleek all-black design.
   • Eco-Friendly - Coverbind covers are 100% recyclable.

Popular Users & Applications:

BusinessesSchools & UniversitiesReal Estate AgenciesPhoto Studios
• Proposals • Yearbooks & textbooks • Proposals • Photo books
• Presentations • Student Publications • Sales Tools • Gallery Highlights
• Quarterly/Annual Reports • Crafts/Gifts for Parents • Home Buyer Gifts • Sales Tools
• Board Meeting Reports • Course Catalogs • Board Meeting Reports • Sponsorship/Donor Requests
• Sales Tools • Orientation Documents • Board Meeting Reports • Art Collections


*May vary depending on number of books, spine size, operator, and other factors.


Coverbind Accel Flex Thermal Binding Machine

Transcript: Subscribe to our YouTube Channel ►

The Accel Flex by Coverbind is the perfect tabletop thermal binding machine for small to mid-sized businesses who want the ability to bind both hard and soft covers, from one compact and affordable machine.

Here’s how it works:

First, insert your book block into the cover size selector, located on the front of the included cooling rack. This will tell you the recommended spine size for your document thickness...
Read More
Subscribe to our YouTube Channel ►

The Accel Flex by Coverbind is the perfect tabletop thermal binding machine for small to mid-sized businesses who want the ability to bind both hard and soft covers, from one compact and affordable machine.

Here’s how it works:

First, insert your book block into the cover size selector, located on the front of the included cooling rack. This will tell you the recommended spine size for your document thickness. The Flex will bind covers up to 2” thick.

Now place your book block into the cover of your choice, and place it into the Accel Flex machine. Press the sliding bar against the book to hold it in place. You can bind as many as 15 documents at one time, depending on their thickness.

The Flex automatically begins the binding process, and will signal you once the heating is complete. This takes just 1 minute.

Give your documents a little tap, and then move them to the cooling rack for at least another minute so the bind can cool and set.

And that’s it! In just 2 minutes and a few simple steps, you have a completed, and incredibly strong thermal-bound document that is professional enough for even your high-end clients.

Coverbind VS Punch-and-Bind Document Binding

Transcript: Subscribe to our YouTube Channel ►

In this video you will see a time comparison of a traditional punch-and-bind method and a Coverbind thermal binding machine. The Coverbind machine you see is an earlier model of the Flex, and performs the same way and at the same speed; it just looks a little different.

So if you're tired of wasting time punching page after page, only to have to hassle with a loose binding spine to get it through those holes, and pr...
Read More
Subscribe to our YouTube Channel ►

In this video you will see a time comparison of a traditional punch-and-bind method and a Coverbind thermal binding machine. The Coverbind machine you see is an earlier model of the Flex, and performs the same way and at the same speed; it just looks a little different.

So if you're tired of wasting time punching page after page, only to have to hassle with a loose binding spine to get it through those holes, and properly close it so it looks neat, all just to repeat the process over and over again to make several books, then check out Coverbind instead!

Sometimes the punch-and-bind process can be so long and tedious, not to mention tiring and costly (with so much time and labor needed), both of which are stressful on your operators and your wallet. As you can see in this side-by-side comparison of Wire-O binding and Coverbind thermal binding, there is no competition on which method is the fastest and easiest option.

Coverbind thermal binding is so simple and safe that anyone can do it! Just place your pages into the Coverbind thermal binding covers of your choice and then place the covers spine-side-down and in a batch onto the heating plate of your machine. It automatically heats the covers, activating the pre-applied binding glue in the spine and pulling your pages into the cover for a strong finish. In as little as 1 document per second (depending on your document thickness, and the Coverbind machine you are using) you have finished books that are incredibly professional and clean.

Coverbind is so inexpensive and fast to operate, that you can use it for single presentation binding or large batches with hundreds of books.

We know that every kind of document binding style out there has it’s place in the industry; it all depends on your individual business’ needs, and what aspects of binding are most important to you, as well as your budget. But Coverbind thermal binding is definitely at the top of the list as the most desired, most professional, and best kind of binding on the market!

Product Reviews

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Expert Reviews

Expert Reviewer: Mallory, Editor at Binding101Coverbind Accel Flex Expert Review  by Mallory Morsa
About Our Expert • Mallory Morsa has worked in several different departments in her 10+ years at Binding101. Beginning in customer service and sales, she honed in her skills to provide the customer with professional, fast, and accurate information. Shortly after, she was promoted to sales supervisor and product expert, gaining hands-on and in-depth product research as well as training the team on new products. She now holds the position of content specialist, taking her extensive knowledge of our products and putting it on the web for you to access at any time. In her expert reviews, she outlines the good and the bad of products that she has handled herself, and uses her experience to identify the ideal users. If you have any questions or need more information about this product, please call our trained customer care team at (866)537-2244. Thank you for stopping by!
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Coverbind Accel Flex 5-Star Expert Review


The Accel Flex from Coverbind and Binding101 is the perfect machine for small and mid-sized businesses looking to create more professional documents than traditional punch-and-bind. It is also great for those looking to increase their speed drastically, allow for on-demand binding by anyone in their office, and expand the capabilities of the finished look to include both soft and hard cover books. Popular customers include schools (yearbooks, publications, gifts for parents, course catalogs), businesses (proposals, presentations, annual reports, board meeting tools), real estate agencies (proposals, sales tools, home buyer gifts), and photography studios (photo books, gallery highlights, sponsorship/donor requests), and so many more. Basically, if you bind less than about 2,000 books per year, the Flex is a great choice. (Bind more than that? Consider the Accel Cube or Accel Ultra for a more automated, even faster solution with the same great quality.

The more accurate question here is what don’t I like about the Flex machine. I gave this model a clean 5 stars, and the choice to do was simple. This machine is compact, but packs a huge punch, increasing production speed 15-fold. Let’s compare for a moment…punching and binding with wire, for instance, will take the average experienced user about one to two minutes per book. This includes punching batches of sheets, the covers, hanging the wire, looping the pages onto the wire, and then closing it. Thermal binding with the Flex, however, allows you to (a) bind up to 15 books at one time, depending on their thickness, and (b) bind without punching any pages. All you do is place your sheets as-is into a Coverbind cover, and place the cover on the Flex plate. It automatically begins binding and, after the 1 minute binding cycle, it is complete. The big advantage here in regards to speed is binding multiple books at once and eliminating the hassle and labor-fatigue associated with punching.

Versatility in binding is another major benefit of this little powerhouse. The Coverbind cover selection includes soft covers of several kinds, including full linen wraps, linen and clear front wraps, linen with window, several hard cover options, and more. There are even customizable covers that you can print on-demand in your office. This machine will not only impress your staff using it, but also the people that you present the documents to, whether they be investors, customers, or anyone in between.

Simplicity! Can I talk about the simplicity for a moment? The Flex is SO EASY and safe to use that anyone in your office can use it whenever they need to, without any special training. The kids could bind books on “take your children to work” day. Punching and binding is tedious and tiring, but the Flex eliminates all of that with simple drop binding; drop your pages into a cover, and drop that cover onto the machine. One minute later, drop the covers into the cooling rack. And you’re done!

I hope it doesn’t sound like a rant, but I really can’t get enough of this machine. I don’t know why every single office doesn’t have one. Especially at the impressively low price point. The Accel Flex is incredibly affordable as-is, and when you compare it to the price of other machines deemed for this volume, well…there is no comparison. The Flex blows every other binding machine out of the water.

Choosing to buy the Accel Flex thermal binding is an easy decision if you value your wallet, speed, efficiency, ease-of-use, versatility, and a machine that takes up very little space. This sleek, black binding machine is a premier choice, without a premier price point. I highly recommend it for users wanting to improve their overall binding process.

The primary thing you should think about before purchasing the Flex is the finished look you wish to achieve. Take a look at the Coverbind covers here to see all of the options possible. If your ideal bound document doesn’t matcvh the look these covers offer, then you may want to consider a different kind of binding.

You may also want to think about the thickest book you need to bind. Thermal binding covers, depending on the style, go up to about 2” thick spines, which will bind an average of 430-500 sheets of basic copy paper. If you need to bind thicker proposals, then the Flex may not be the best choice for you.

Want to increase speed? Expand the possible finished looks of your documents? Make on=-demand binding easy to achieve for your entire staff? Bind both hard and soft cover books whenever you need? Bind multiple books at a time, up to 2” thick? And do you bind less than about 170 documents per month? Then the Accel Flex binding machine from Coverbind is the perfect model for you.

Frequent Asked Questions

Why isn't it heating up?
Asked by Customer

The Accel Flex will heat up when a document is placed on the heating plate.

Answer by Binding101
Why are my pages falling out?
Asked by Customer

There are 3 reasons that this would happen...
\n   ① It wasn't cooled enough before handling. Documents need to cool for 1-2 minutes minimum before handling so the glue can fully cool and bind your pages.
\n   ② The cover is over-stuffed, including more pages than recommended.
\n   ③ The cover was pinched during binding, which prevents the pages from sinking into the warming glue. This may happen if the machine is over-stuffed with documents.

Answer by Binding101
How does the Flex compare to the Coverbind 5000?
Asked by Customer

The Accel Flex is actually an upgraded version of the Coverbind 5000, so they are the same in function, with a new, upgraded look.

Answer by Binding101

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