Product Description
BS-15 Semi- Automatic book trimmer and three knife trimmer book Paper Cutter making machine from China factory
Changxing Inmai Machinery Co., Ltd. Is a leading manufacturer of three-knife trimmers and back-loop glue-binding lines in China.
With over 15 years of dedicated experience in the design and manufacturing of three-knife trimmers and over 25 years of expertise in the printing and finishing industry, we have successfully manufactured and installed hundreds of machines across China and all over the world, earning a leading market share and outstanding customer satisfaction. Renowned for their precision cutting, reliable performance, and user-friendly operation, our book trimmers have become the go-to choice for printing and bookbinding professionals.
To support perfect binding lines, we offer a comprehensive range of high-efficiency auxiliary equipment, including: three knife trimmer, weight machines, book stacker, steering machine, conveyors, helping clients achieve greater automation and smoother workflows in book making Machine.
The 15 Series is optimized for digital printing users.
The 25 Series caters to those producing commercial samples, hardcover books, and premium notebooks.
The 35 Series is specifically engineered for high-volume production of textbooks and supplementary educational materials.
Our products hold a significant market share in China and consistently receive outstanding customer satisfaction.
BS-15 Semi-Automatic Three Knife Trimmer is a professional post-press solution tailored for today's high-demand book production workflows. Designed to deliver precise, clean cuts on perfect-bound books with rough edges, this book trimming machine offers superior performance with user-friendly operation.
Operators simply align and feed the books manually, and the BS-15 efficiently completes top, bottom, and fore-edge trimming, then automatically ejects the finished product. This compact and reliable three-side book trimmer is ideal for trimming softcover books, manuals, catalogs, and other bound materials.
Powered by servo-driven front and side knives, along with pneumatic clamping and pressing, the BS-15 ensures high trimming precision and operational stability. Its fast setup and easy adjustment make it an excellent fit for short-run digital printing, on-demand book production, and commercial printing environments.
As a key part of any bookbinding and finishing line, the BS-15 boosts productivity, reduces labor intensity, and delivers a premium appearance to your printed materials. Whether integrated into a digital print finishing system or used as a standalone book edge cutter, it is a versatile and cost-effective solution.
Ideal for print shops, binderies, and publishers, this automated book cutter combines cutting-edge technology with durable mechanical design, meeting the growing needs of modern post-press operations.
BS-15 Semi-Automatic Three-Knife Trimmer
The BS-15 is a precision-engineered, semi-automatic three-knife trimmer designed to meet the demands of today's fast-paced digital printing and on-demand production environments. Ideal for trimming perfect-bound books, catalogs, photo books, and other bound materials, it offers a reliable and cost-effective finishing solution for professional print shops and publishers.
Designed for flexibility and performance, the BS-15 features manual book positioning and servo-driven front and side knives, delivering accurate and consistent trimming across a wide range of formats. Its pneumatic clamping and pressing system ensures stable book handling and superior trimming quality with every cycle.
Powered by a high-response servo main motor, the BS-15 provides fast cutting cycles, smooth braking, and excellent control-essential for maintaining high throughput without compromising quality.
The BS-15 is built for durability with a simple, service-friendly mechanical layout. Dual-side guide rods and a gear-driven synchronization system ensure balanced cutting force and long-lasting performance. A precision gearbox transmission further enhances operational stability while keeping noise to a minimum, even during extended runs.
Whether you're handling short-run digital jobs or larger finishing batches, the BS-15 delivers a perfect balance of precision, efficiency, and long-term value-making it an excellent choice for resellers and distributors targeting growing digital print markets.
Key Selling Points for Distributors
High Cutting Precision
Servo motor-controlled knives deliver consistent, accurate trimming across all three sides-minimizing rework and waste.
Flexible and Easy to Operate
Manual book positioning is simple to use and adaptable to various formats-ideal for short-run or custom-sized jobs.
Reliable Pneumatic System
Ensures stable clamping and pressing during the cut, improving finish quality and reducing movement.
Servo-Driven Main Drive
Offers fast acceleration, responsive braking, and smooth cutting action-enhancing production efficiency.
Low Maintenance, High Uptime
Simple mechanical design and easily accessible components make servicing fast and cost-effective.
Stable, Low-Noise Performance
High-precision gearbox and synchronized gear-driven system ensure smooth operation and extended machine life.
Proven Durability
Designed for continuous operation, the BS-15 maintains performance even under demanding workloads.
Product Parameter
| Item number |
Parameters |
Unit |
Remarks |
| Max. cutting size A*B |
300*300 |
mm |
A: Side knife; B: Front knife; H: Height; |
| Min. cutting size A*B |
140*90 |
mm |
| Max. cutting height H |
70 |
mm |
| Max. cutting speed |
15 times/Min |
Min |
|
| Overall power |
7 |
Kw |
|
| Book pressing type |
Pneumatic |
|
Servo for option |
| External size(L*W*H) |
2250 *1500 *1700 |
mm |
Standard size |
| Net weight |
2800 |
Kg |
|
1.3 Instructions for Using the Tool Positioning Device (With Illustration)
To ensure operator safety and maintain cutting accuracy, please follow the steps below when using the tool positioning device:
Step 1: Install the Tool Positioning Device
Secure the tool positioning fixture firmly on the designated workbench. Make sure it is level and stable, avoiding any movement during operation.
Step 2: Replace the Blade and Blade Holder
After turning off the machine power, carefully remove the corresponding blade and blade holder. Prepare them for mounting.
Step 3: Tighten and Fix
Use the dedicated locking screws to securely fasten the blade and holder. Ensure precise alignment and stable attachment.
Step 4: Install the Blade Guard
Once the blade assembly is installed, immediately cover the cutting edge with the protective blade sheath to prevent injuries and blade damage.
We can give you suggestion on whole line.
Layout for BS-15:
https://inmai3knifetrimmer.en.made-in-china.com/product-list-1.html
Packaging & Shipping
1)Normal package is Strong Export Wooden box(or Three-plywood box) with stretch film.
2) Customized Packing
Our service
You can expect satisfactory customer service with long tradition. We are highly devoted to the most optimal solid and liquid separation solutions to meet your specific needs. We have the effective service system to ensure professional and flexible management of any affairs.
1.Pre-sales technical consultation
2.Model selection
3.Machine guidance
4.Operation & maintenance training
5.Maintenance service
6.Quick supply of spare parts
7.Customer satisfaction track
FAQ
Q1: Are you a manufacturer ?
A1: Manufacturer, and we focus on the development and production of three-knife trimmer for more than 10 years
Q2:Can your machine be customized?
A2: Of course, OEM & ODM both are available.
Q3: How about your package?
A3: Our machines are well wrapped by plastic film to be water proof first. If by FCL(full container loading) we might use the plywood box.
Q4:How do you ship the finished products?
A4:By Sea. By railway.
Q5:What's the delivery time?
A5:Within 30-45 days after get the deposit. Depends on different machines.
Q6: What is your after sale service?
A6: Any questions will be responded within 24 hours by email, call or Whatsapp/Wechat. In addition, we have professional engineer available for overseas service... Q7: How about your quality control? A7: Our professional QC wil check the quality during the production and do 100% quality test before shipment.
Q8:Does it easy to operate and what can ido if it doesn't work?
A8: First, our machine is stable and easy to operate by one man. What you do is just learn some basic thing like loading the jumbo roll paper, start the machine and cutting the paper. And we will sent you manual and video.we suggest you to come to visit our factory to learn more thing by yourself , and if there is something goes wrong,you can call us video-chat email us. And we will give solutions within 36 hrs.
Q9:Guarantee?
A9: There is 1 year guarantee of each Inmai machinery brand Machines since customer got the machine. Within one year, the damaged spare parts(not including blades and cutting sticks) can be changed for free, and we provide life time technology support on line.
Our Advantages
https://inmai3knifetrimmer.en.made-in-china.com/product-list-1.html
https://inmai3knifetrimmer.en.made-in-china.com/product-list-1.html
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