Processing » Labelers » Front and Back Labeling Machines » Grepack » Shanghai

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Used labelling and coding machines in Shanghai, China

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Overview

Front and back labeling machines (labelers) apply front, back or wrap-around labels to bottles, jars, cans and flat or shaped containers in a single pass. They accommodate a range of container sizes and speeds, and integrate with conveyors, filling lines and inspection systems. Used across food, beverage, pharmaceutical and cosmetic lines, these machines improve placement accuracy, production throughput and registration repeatability for high-volume packaging.

FAQ

What should I check when buying a used front/back labeler?

Check label type compatibility (pressure-sensitive, glue, shrink), speed (labels/min), format changeover time, container size range, condition of drive systems and electronics, maintenance records, and ask for a demonstration on your product or similar containers.

How do I ensure the labeler will integrate with my production line?

Confirm conveyor height and width, line speed range, electrical and control interfaces (PLC, I/O, Ethernet), product spacing, and whether feed-in or out-feed devices or sensors are needed. Ask the seller for integration documentation or service support.

What are shipping considerations for labelers?

Know the machine's dimensions and weight, secure original or custom crating, immobilize moving parts, drain fluids, and use a carrier experienced with packaging equipment. Insure transit and arrange forklift or crane for loading and placement.

What routine maintenance does a labeler need?

Regularly clean label paths and sensors, inspect and replace wear parts (belts, rollers, star wheels), check drive belts and bearings, lubricate moving parts per manual, and verify registration and sensors before each production run.

Which spare parts should I keep on hand?

Stock label sensors, drive belts, feed rollers, star wheels, nip rollers, spare nozzles or glue parts (if applicable), and common electrical components like fuses and encoder spare parts to minimize downtime.