Common problems and solutions for using cosmetic labeling machines

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With the rapid development of the cosmetics industry, packaging automation has become a crucial tool for companies to improve production efficiency and product quality. As core equipment in packaging production lines, cosmetics labeling machines' stable operation directly impacts production efficiency and finished product quality. However, in actual use, many companies still encounter various problems when operating cosmetics labeling machines. This article will deeply analyze common problems with cosmetics labeling machines and provide practical solutions to help companies improve production efficiency and reduce equipment failure rates.

I. Overview of Common Problems with Cosmetics Labeling Machines

Major problems encountered during the use of cosmetics labeling machines can be categorized as follows:

Inaccurate or offset labeling

Frequent paper or bottle jams in the labeling machine

Wrinkled or air-filled labels

Unstable equipment operation, resulting in shutdowns or alarms

Substandard labeling speed

Label sensor failure or duplicate labeling

These issues not only affect production efficiency but can also lead to increased packaging waste, directly impacting the company's economic performance.

II. Causes and Solutions for Inaccurate or Offset Labeling

1. Label Position Deviation

Cause Analysis:

Unstable material feeding and uneven label roll tension.

Loose drive belt or worn timing pulleys. Inconsistent product placement leads to misaligned labeling.

Solution:

Adjust the label roll tension to ensure smooth label feeding.

Regularly check and replace the drive belt and synchronous pulleys.

Use a positioning device to ensure consistent labeling positioning for each product.

2. Label misalignment

Cause analysis:

The label specifications do not match the labeling machine parameters.

The product shape is complex, and the labeling machine has not been properly adjusted.

Solution:

Adjust the labeling machine parameters to match the label specifications.

For odd-shaped bottles or special packaging, use a dedicated labeling mold or adjust the labeling angle.

III. Paper or bottle jams in the labeling machine and their solutions

1. Paper jam

Cause analysis:

Poor quality label paper that easily tears or wrinkles.

The labeling machine rollers or paper guides are dusty or damaged.

Solution:

Use high-quality label paper and ensure paper flatness.

Clean the rollers and paper guides regularly and replace damaged parts as necessary. 2. Bottle Jam

Cause Analysis:

Uneven conveyor belt speed or uneven conveying.

The bottle shape or height does not meet the labeler's conveying requirements.

Solution:

Adjust the conveyor belt speed to ensure smooth conveying.

Customize brackets or buffers for special bottle shapes to ensure bottle stability.

IV. Label Wrinkles or Bubbles and Solutions

1. Label Wrinkles

Cause Analysis:

The label roll is too tight or too loose, resulting in uneven tension.

Inappropriate label roller pressure.

Solution:

Adjust the label roll tension to ensure smooth feeding.

Adjust the roller pressure to ensure a tight fit without damaging the label.

2. Bubbles

Cause Analysis:

The label adhesive is damp, reducing its adhesion.

Dust or oil on the product surface causes poor label adhesion.

Solution:

Store label paper in a dry environment to avoid moisture.

Clean the product surface to ensure a clean and smooth labeling surface.

V. Unstable Equipment Operation and Solutions

1. Shutdown or Frequent Alarms

Cause Analysis:

Electrical control system fault or poor wiring contact.

Sensor sensitivity is incorrect or aging.

Solution:

Regularly check the electrical wiring to ensure good contact.

Adjust or replace the sensor to ensure its sensitivity meets the requirements.

2. Labeling Speed Does Not Meet Required

Cause Analysis:

Insufficient motor power or aging.

Improper matching of the product and labeler, resulting in frequent slowdowns or pauses.

Solution:

Check the motor condition and replace or upgrade the motor if necessary.

Adjust the labeler to match the product conveyor speed to improve overall efficiency.

VI. Solutions for Label Sensing Failure or Repeated Labeling

1. Label Sensing Failure

Cause Analysis:

Incorrect or obscured photoelectric sensor position.

Label color or opacity does not match the sensor.

Solution:

Adjust the photoelectric sensor position to ensure clear obstructions.

Select label materials compatible with the photoelectric sensor to ensure reliable sensing.

2. Repeated Labeling

Cause Analysis:

Sensor mis-triggering or signal interference. The control system program is abnormal.

Solution:

Check the sensor layout to avoid signal interference.

Debug or upgrade the control system software to ensure accurate labeling.

VII. Daily Maintenance and Preventive Measures

In addition to addressing common problems, good daily maintenance and operating procedures are key to preventing future problems:

Regular Cleaning: Keep rollers, conveyor belts, and sensors clean to prevent dust from affecting labeling.

Inspect Fasteners: Regularly check screws, belts, and gears to prevent looseness that could cause misalignment.

Lubrication and Maintenance: Regularly lubricate mechanical transmission components to extend service life.

Train Operators: Ensure operators are familiar with equipment operation and adjustment methods to reduce human error.

Record a Fault Log: Maintain a fault log to facilitate cause analysis and optimize production processes.

VIII. Summary

Cosmetics labeling machines play an irreplaceable role in modern cosmetics production lines. However, problems such as label deviation, paper and bottle jams, label wrinkles, bubbles, and equipment alarms can still occur during use. By analyzing these common problems and implementing solutions, companies can effectively improve labeling efficiency, reduce scrap rates, and extend equipment life. At the same time, thorough routine maintenance and operator training not only reduces equipment failures but also lays a solid foundation for companies to achieve automated and intelligent production. For cosmetics manufacturers, mastering labeling machine operation techniques and troubleshooting methods is crucial for improving competitiveness and product quality.

Beilt, a professional cosmetics labeling machine supplier, is dedicated to providing efficient and accurate automated labeling solutions for manufacturers of skincare, makeup, and daily chemical products. Leveraging advanced equipment technology and extensive industry experience, Beilt not only helps customers resolve common issues such as label deviation, paper jams, and label wrinkles, but also provides professional after-sales service and operator training to ensure efficient and stable production line operation, enabling packaging automation upgrades and improving product quality and production efficiency.

http://www.beiltpack.com
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