Packaging knives

Is Your VFFS Machine Facing These Issues?

Weak Seals: Bags tear open easily, causing product leakage.
Incomplete Cuts: Film isn’t cut through, requiring manual separation.
Wrinkled Seals: Jagged, unprofessional seals that damage your brand image.
Film Sticking to Jaws: Melted film sticks to the cutter, causing frequent downtime for cleaning.
90% of these problems are caused by a worn-out or damaged упаковочное лезвие!

The Solution: Immediately Upgrade to Our High-Performance Horizontal Serrated Cutter

As a specialized manufacturer of packaging machine blades, we have analyzed the root cause behind each failure and provide a targeted solution:
Your Problem
Root Cause
Our Solution
Weak or Bubbly Seals
Uneven blade surface, inconsistent temperature, or insufficient pressure.
Precision-Ground Surface: Ensures a perfectly flat surface for uniform pressure and heat distribution. Premium Material: Excellent thermal conductivity for rapid and stable heating.
Incomplete Cuts, Film Stringing
Worn or dull serrations; improper blade angle.
Optimized Serration Design: Этот лезвие для упаковочной машины is hardened at a specific angle for sharpness and durability, easily cutting through various composite films.
Wrinkled Seals
Poor blade parallelism; aging silicone rubber strip.
Ultra-High Machining Precision: Guarantees perfect parallelism after installation, working with a quality silicone strip for even pressure.
Film Sticking
Poor surface treatment; insufficient smoothness.
Special Surface Treatment: Ultra-smooth finish with high hardness and anti-stick properties, effectively reducing material residue.
Frequent Replacements
Inferior material, insufficient hardness, prone to wear.
High-Strength Alloy Steel: Our industrial cutting blades are extremely wear-resistant, offering a much longer service life than standard parts.
packaging machien blades manufacturer
Машинная лапка

How to Replace Your Packing Blade in 10 Minutes

Safety First! Always disconnect all power and air sources before starting.
Шаг
Instructions
Key Tip
1. Remove Old Blade
Use a hex wrench to loosen the screws securing the old cutter.
Be careful when removing the old упаковочное лезвие to avoid injury.
2. Clean the Mounting Surface
 Thoroughly clean the jaw’s mounting surface with alcohol or a lint-free cloth.
A clean surface is essential for proper heat transfer and precision.
3. Install New Blade
Align our new packaging blade with the mounting holes and place it gently.
Ensure the blade is perfectly flush with the mounting surface.
4. Adjust Parallelism
 Place a thin piece of paper between the jaws and manually close them. Adjust the screws until you feel even pressure across the entire blade.
This is the most critical step for ensuring seal quality. Be patient.
5. Final Tightening
Tighten all screws securely in a cross-pattern sequence.
Reconnect power and air, then run a test with scrap film to check the seal and cut quality.

The 3-Minute Guide to Choosing the Right Packaging Blades

Шаг
How to Do It
Our Advice
1. Confirm Machine Model
Find the model number on your VFFS machine’s nameplate or in the manual.
Not sure?Send us a photo of your machine, and we’ll identify it for you.
2. Measure Key Dimensions
Measure the Total Length (L), Width (W), Thickness (T), Hole Distance (P), and Hole Diameter (D).
This is the backup plan, but it’s very effective for all industrial cutting blades.
3. Select Serration Type
Choose from flat, fine, or coarse/wave serrations based on your film.
Send us a sample of your packaging, and we’ll recommend the best tooth profile.
4. Choose Material & Process
Select from standard alloy steel, special hardened steel, or a non-stick coating based on your product.
For abrasive materials like powders or granules, we recommend special hardened steel.
Guide to chosing packaging blades
Daily Maintenance to Double Your Cutter's Lifespan

Daily Maintenance to Double Your Cutter's Lifespan

  • Ежедневная уборка: After production, wipe the blade surface with a soft cloth to remove residue. Never use a metal brush!
  • Регулярный осмотр: Check the sharpness of the serrations weekly. Plan for replacement if you notice minor wear.
  • Correct Parameters: Avoid running the machine at excessively high temperatures and pressures for extended periods.
  • The Perfect Match: Replace aging Teflon tape и silicone rubber strips at the same time to maximize the new cutter’s performance

Every component is built to last from high-quality high-carbon steel, featuring a consistent 1.8mm thickness and 3mm tooth spacing. Should your project demand a unique design, we specialize in custom solutions.

Model No.
Length (mm)
Width (mm)
Hole Distance  (mm)
Mounting Hole Size (mm)
Remart
Width :10mm 
3 x 8
LFD-12010
120
10
110
3 x 8
LFD-12510
125
10
115
3 x 8
LFD-14010
140
10
130
3 x 8
LFD-14510
145
10
135
3 x 8
LFD-16010
160
10
150
3 x 8
LFD-17510
175
10
165
3 x 8
LFD-18010
180
10
170
3 x 8
LFD-19510
195
10
185
3 x 8
LFD-20010
200
10
190
3 x 8
Width:15mm
7 x 10
LFD-17815
178
15
163
7 x 10
LFD-18015
180
15
165
7 x 10
LFD-18515
185
15
170
7 x 10
LFD-21515
215
15
200
7 x 10
LFD-23515
235
15
220
7 x 10
LFD-25515
255
15
235
7 x 10
LFD-28515
285
15
270
7 x 10
Is this an original OEM blade?

We provide high-quality compatible parts that use materials and manufacturing processes equal to or better than OEM standards. You get OEM-level performance at a more competitive price, with full after-sales support.

 

What if I don't know how to install it after purchase?

Don’t worry! We provide detailed illustrated guides and online video tutorials. You can also contact our technical support anytime for one-on-one remote installation guidance.

Can you customize non-standard sizes and tooth profiles?

Yes! We support custom orders from drawings or samples. Whether you need a special size, tooth profile, or material, we can meet your unique production needs.

What is the warranty period?

We offer a 3-month quality guarantee. We will unconditionally provide a return or exchange for any non-human-caused quality issues under normal use.

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