| 1 | Match the Product and Label Format | Confirm product shape, surface material, container diameter or width, label dimensions, label gap, liner thickness, and application position. | Common pressure-sensitive labels use a continuous liner and a defined gap between labels. Cylindrical, tapered, flexible, and irregular products may require different applicator designs. | Can the machine handle the smallest and largest product in the range without changing the main applicator? | Poor product compatibility can cause wrinkles, skewed labels, missed applications, and frequent adjustments. |
| 2 | Verify Required Throughput | Compare the machine’s rated speed with the actual conveyor speed, product spacing, label length, and planned production rate. | Automatic labeling systems may range from low-speed intermittent operation to more than 100 products per minute, depending on product type and application method. | Is the stated speed measured with the same product, label size, and accuracy requirement that we use? | A nominal speed without a realistic product test can result in bottlenecks and unstable labeling quality. |
| 3 | Check Line Integration | Review conveyor height, direction, available floor space, product sensors, upstream and downstream equipment, and control-system interfaces. | Typical integration may use digital I/O, encoder signals, barcode or vision triggers, and industrial Ethernet communication, depending on the line architecture. | Can the machine exchange run, stop, fault, product-count, and reject signals with the existing line? | Good integration reduces manual intervention and helps prevent product accumulation or unplanned line stops. |
| 4 | Evaluate Labeling Accuracy | Define allowable vertical and horizontal placement tolerance, label orientation, repeatability, and reject criteria. | A practical acceptance target is often specified in millimeters, such as ±1 to ±2 mm, but the achievable result depends on product stability, label quality, speed, and machine setup. | Will a documented acceptance test measure placement accuracy over a representative production batch? | Consistent placement supports appearance, barcode readability, regulatory information, and downstream inspection. |
| 5 | Assess Changeover and Operation | Look for recipe storage, clear settings, tool-free adjustments, position scales, guided setup, and quick-release components. | Changeover time varies widely; a well-defined product family and stored recipes can reduce repeat setup work and operator errors. | Can an operator select a validated recipe and complete a routine changeover without engineering support? | Fast, repeatable changeovers improve equipment utilization and are especially valuable for short production runs. |
| 6 | Review Controls and Data Features | Check the human-machine interface, user permissions, alarm history, production counters, batch settings, and data export capability. | Useful control features include multi-level access, fault messages, recipe management, total counts, good counts, reject counts, and resettable shift counters. | Can supervisors identify the cause and duration of stops without connecting a separate diagnostic device? | Accessible operating data supports troubleshooting, training, traceability, and continuous improvement. |
| 7 | Plan for Maintenance | Inspect access to rollers, peel plates, sensors, belts, drive components, lubrication points, electrical panels, and label-roll loading areas. | Routine cleaning, inspection, sensor alignment, belt condition checks, and replacement of wear parts are normal maintenance activities. | Are preventive-maintenance intervals, spare-parts lists, service procedures, and troubleshooting guides included? | Easy maintenance helps reduce downtime and keeps label placement stable over the equipment’s service life. |
| 8 | Confirm Safety Protection | Check guarding, interlocked access doors, emergency stops, safe restart behavior, pinch-point protection, warning labels, and electrical safety documentation. | Safety functions should be assessed through a documented risk assessment and validated against the regulations applicable to the installation location. | Does opening a guarded area stop hazardous motion, and does the machine require a deliberate reset before restart? | Effective safeguards protect operators during normal production, cleaning, setup, and fault recovery. |
| 9 | Check Environmental Suitability | Review washdown exposure, dust, humidity, temperature, chemical contact, compressed-air quality, and the required enclosure protection. | Ingress-protection requirements vary by area. A higher IP rating may be appropriate for wet or washdown zones, but the complete machine and installed components must be evaluated. | What cleaning chemicals and procedures will be used, and are all exposed materials compatible with them? | The correct environmental design reduces corrosion, sensor faults, electrical failures, and premature wear. |
| 10 | Compare Total Cost of Ownership | Include purchase price, installation, commissioning, training, tooling, labels, spare parts, energy, maintenance labor, software, and planned upgrades. | A lower initial price may not produce the lowest operating cost if changeovers are slow, wear parts are difficult to obtain, or service access is limited. | What are the expected consumables, critical spare parts, service response arrangements, and operator-training requirements? | Total-cost analysis reveals the long-term financial impact and supports a more reliable investment decision. |