YCT-521 is a fully automatic double-sided labeling machine designed for flat bottles, round bottles, and square bottles. It supports both single-side labeling and simultaneous front-and-back double labeling for products such as shampoo bottles, lubricating oil bottles, hand sanitizer bottles, and other containers used in daily chemical, cosmetic, petrochemical, and pharmaceutical industries. With stable performance, high-speed operation, and flexible optional functions, it is suitable for high-output labeling applications.
The YCT-521 fully automatic double-sided labeling machine is developed for manufacturers that need efficient and accurate labeling on a wide range of bottle shapes, including flat bottles, round bottles, and square bottles. It is especially suitable for production lines that require either single-side labeling or front-and-back double labeling on the same product.
In many industries, products such as shampoo bottles, lubricating oil bottles, hand sanitizer bottles, detergent bottles, and pharmaceutical containers require clean and professional label presentation on one or both sides. The YCT-521 is designed to meet these needs with a stable conveying system, synchronized labeling heads, precise product guidance, and adjustable components for different bottle sizes.
This machine is widely used in daily chemical, cosmetics, petrochemical, pharmaceutical, and related packaging industries, making it a practical solution for manufacturers, distributors, and OEM buyers looking for a reliable double-sided bottle labeling machine.
The YCT-521 is suitable for labeling many container types, including:
Flat bottles
Round bottles
Square bottles
Shampoo bottles
Lubricating oil bottles
Hand sanitizer bottles
Daily chemical bottles
Cosmetic bottles
Pharmaceutical bottles
Household product containers
Depending on the actual product dimensions and label layout, the machine can also be discussed for customized applications based on customer samples.
The YCT-521 supports different labeling modes to fit different packaging projects.
Suitable for products that require only a single label on one side of the bottle or container.
Suitable for products that need labels on both sides at the same time. This is one of the key advantages of the machine and helps improve production efficiency significantly.
For flat or shaped bottles that require front and back labels to align cleanly, the YCT-521 can perform synchronized application with adjustable product guiding and label positioning.
For many product lines, especially in personal care, chemical, and pharmaceutical packaging, using a double-sided labeling machine offers clear production and presentation advantages.
By labeling both sides of the product at the same time, the machine helps reduce handling steps and improves throughput compared with separate labeling operations.
Simultaneous front-and-back labeling helps create a more uniform and professional appearance for retail packaging.
The YCT-521 is suitable for flat, round, and square bottles, giving manufacturers more flexibility across multiple product SKUs.
With a standard capacity of 30-160 pcs/min, the machine is suitable for customers with medium- to high-volume production requirements.
The machine is designed for various common bottle shapes, making it suitable for many packaging lines across different industries.
The YCT-521 can apply labels to both sides of the product at the same time, helping improve labeling efficiency and reduce labor input.
The standard capacity is 30-160 pcs/min, depending on product size, label size, and actual operating conditions.
According to the technical parameter sheet provided, the standard labeling tolerance is ±1 mm. This is suitable for products that require clean, stable, and professional label presentation.
Note: your source text also mentions a higher claimed precision in the description section. If you want, I can later prepare a version based on your final confirmed tolerance.
The machine uses:
Double side guardrails
Spacing wheel
Double side guiding belts
Top belt fixing structure
These components help keep products moving in the correct direction and improve labeling stability for different bottle shapes.
The YCT-521 uses a Japan Panasonic control system, offering high stability and a low failure rate for long-term production use.
The machine is equipped with a touch screen interface for easy parameter setting and production management. Chinese and English are available.
The machine uses:
German LEUZE / Italian Datalogic label sensor
Japan Panasonic product sensor
These components help improve product detection and labeling accuracy.
If problems such as label spilling, broken labels, or other malfunctions occur, the machine gives an alarm so the operator can respond quickly.
The machine and spare parts use stainless steel and anodized senior aluminum alloy, providing strong corrosion resistance and long-term durability.
The machine is equipped with a voltage transformer to adapt to local voltage requirements in different export markets.
The YCT-521 can be configured with several optional functions according to different project requirements.
An optional ribbon coding machine can be added to the labeling head to print:
Production batch number
Production date
Expiration date
during the labeling process, helping reduce extra packaging steps and improve efficiency.
Automatic feeding can be configured depending on the actual product and line layout.
Automatic collection can be added to improve downstream handling efficiency.
An extra labeling device can be added for expanded application requirements.
The machine supports customization according to product size, bottle shape, labeling requirement, and production line integration needs.
The standard process is:
Connect to the production line or feed products manually
Products are separated one by one
The product sensor detects the product
The PLC receives the product signal
Labeling starts
Finished products move to the collecting plate
According to your provided data, the detailed working principle is part of the manufacturer’s own R&D information and can be discussed further for interested customers during technical consultation.
For website publishing, it is enough to state that the machine uses sensor detection and PLC control to complete automatic product recognition and synchronized labeling.
Item | Specification |
Model | YCT-521 |
Machine Type | Fully Automatic Double-Sided Labeling Machine |
Label Specification | Adhesive sticker, transparent or opaque |
Labeling Tolerance | ±1 mm |
Capacity | 30-160 pcs/min |
Suitable Bottle Size | L: 20-250 mm, W: 30-100 mm, H: 60-280 mm, can be customized |
Suitable Label Size | L: 15-200 mm, W(H): 15-120 mm |
Machine Size | 3100 × 1450 × 1560 mm |
Packing Size | 3150 × 1500 × 1600 mm |
Voltage | 220V / 50(60)Hz, can be customized |
Power | 2070 W |
Net Weight | 330 kg |
Gross Weight | 400 kg |
Label Roll | ID: Ø76 mm; OD: ≤300 mm |
Note: The machine can be discussed and customized according to your sample bottle dimensions and actual labeling requirements.
Structure | Function |
Conveyor | Transmits the product |
Double Side Guardrails | Keep products moving straight and can be adjusted according to product size |
Spacing Wheel | Keeps distance between every two products |
Double Side Guiding Belt | Corrects product transmission direction and can be adjusted according to product size |
Labeling Head | Core of the labeler, including label winding and driving structure |
Double Sides Label-Peeling Plate | Peels labels from the release paper |
Double Sides Brush | Smooths the labeled surface |
Touch Screen | Used for operation and parameter setting |
Top Belt | Works synchronously with conveyor and traction device to fix the product from above |
Top Belt Adjuster | Adjusts top belt height to suit different products |
Strengthening Device | Presses labeled products to strengthen adhesion |
Main Switch | Turns the machine on |
Emergency Stop | Stops the machine if abnormal operation occurs |
Electric Box | Houses electrical configurations |
To ensure stable machine performance, the following label production requirements are recommended:
The gap between one label and the next should be 2-3 mm
The distance between the label edge and the edge of the backing paper should be 2 mm
The backing paper should be made of glassine with good toughness to reduce breakage risk
The inner diameter of the core should be 76 mm
Labels should be arranged in a single row
The YCT-521 is widely used in:
Daily chemical industry
Cosmetics industry
Petrochemical industry
Pharmaceutical industry
Personal care packaging
Household product packaging
YCTAUTO supports customized labeling solutions according to product and production requirements. Buyers can discuss customization based on:
Bottle shape and dimensions
Label size and material
Labeling position
One-side or double-side labeling requirements
Production speed
Online coding needs
Line integration requirements
Voltage standard for export markets
This makes the YCT-521 a good choice for OEM projects, distributors, and factories handling multiple packaging formats.
The YCT-521 is suitable for flat bottles, round bottles, and square bottles, including shampoo bottles, lubricating oil bottles, hand sanitizer bottles, and similar containers.
Yes. The YCT-521 supports both single-side labeling and simultaneous double-sided labeling.
Yes. It can be used for round bottles as well as flat and square bottles, depending on the actual product size and labeling requirement.
The standard capacity is 30-160 pcs/min, depending on product size, label size, and actual operating conditions.
According to the technical parameters provided, the standard labeling tolerance is ±1 mm.
Yes. An optional ribbon coding machine can be added to print batch number, production date, and expiration date during labeling.
Yes. It can be connected to a production line or used with manual feeding, depending on the actual setup.
Yes. YCTAUTO supports customization according to product size, bottle shape, labeling requirement, optional functions, and line integration needs.
Looking for a high-speed double-sided labeling machine for flat, round, or square bottles?
Send us your:
Bottle photo
Bottle size
Label size
Labeling position
Required output
Coding requirement
Production line layout
YCTAUTO will recommend a suitable machine configuration based on your actual application.
Contact us today for a customized labeling solution and quotation.
