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Kenwei is a global professional manufacturer which specialized in weigher packing machines and multihead weigher machines.

Linear Weigher Machine Manufacturer
Kenwei linear weighers are designed for accurate and reliable portion weighing of free-flowing granules, powders, seeds and other suitable products. Available in different numbers of weighing heads, hopper sizes and feeding configurations to match different target weights, product characteristics and production requirements.
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The linear weigher is designed for quantitative weighing of free-flowing materials, such as granules and powders. This linear weighing machine features a simple structure, compact design, and an integrated modular control system for stable and accurate operation.

Equipped with a multilingual touchscreen interface, it allows flexible parameter settings for different countries and regions. Depending on material characteristics and weighing requirements, users can choose from single-bucket, double-bucket, triple-bucket, and four-bucket models.


Key Features:

  • Compact Design: Small footprint for easy placement and installation.

  • Intelligent Control: Modular control system with automatic amplitude adjustment for easier debugging.

  • Stable & Accurate Performance: High-quality sensors ensure reliable weighing results.

  • Flexible Configuration: Multiple bucket options for different material characteristics.

  • Hygienic Construction: Stainless steel material-contact parts and dust-proof design for food-grade applications.

  • Easy Cleaning: Tool-free disassembly simplifies daily maintenance and cleaning.


Applications

This linear weigher packing machine is suitable for weighing sliced, rolled, regularly shaped, granular, and powdered products. Typical applications include sugar, salt, seeds, rice, sesame, monosodium glutamate (MSG), milk powder, coffee, and seasoning powders.


What Is A Linear Weigher?
The linear weigher is an automatic weighing machine that uses multiple weighing hoppers arranged in a linear configuration to portion products to a preset target weight. Compared with multihead weighers, linear weighers use a simpler weighing structure and are commonly selected for products with relatively consistent characteristics and applications where moderate production speed, straightforward operation and cost efficiency are important.
Feeding → Vibratory Feeders → Weighing Hoppers → Discharge → Packaging Machine
How Does a Linear Weigher Work?

01 — Feeding

Product enters the feeding hopper and is distributed to the weighing hoppers.


02 — Controlled Feeding

Vibratory feeders or other feeding mechanisms control the product flow.


03 — Weighing

Each weighing hopper measures a portion of product.


04 — Discharge

The selected weighing hoppers discharge the product once the target weight is reached.

Linear Weigher → VFFS → Finished Bag

FAQ
  1. What is a linear weigher?
A linear weigher is an automatic weighing machine that uses multiple weighing hoppers arranged in a linear configuration to portion products to a preset target weight.

2.What products can a linear weigher weigh?

Linear weighers are commonly used for free-flowing granules, seeds, grains, sugar, salt, coffee and selected powders and food products.

3.What is the difference between a linear weigher and a multihead weigher?
A linear weigher uses weighing hoppers arranged in a linear configuration, while a multihead weigher uses multiple weighing hoppers arranged around a central feeder. Multihead weighers are generally preferred for higher-speed combination weighing and products with greater weight variation.

4.How many heads does a linear weigher have?
Kenwei offers different configurations according to the product, target weight, speed and feeding characteristics.

5.Can a linear weigher be connected to a VFFS packaging machine?
Yes. A suitable linear weigher can be integrated with a vertical form-fill-seal packaging machine to create an automatic weighing and packaging line.

6.Can a linear weigher weigh powder?
It can be used for suitable free-flowing powders, depending on powder characteristics and machine configuration. Product testing is recommended before final selection.

7.How do I choose the right linear weigher?
The main factors are product type, target weight, required speed, product flowability, hopper volume and packaging method.
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