Make 48000 BPH Bottle Finish Control More Predictable
In high-speed PET and PE bottle production, the finish area is a small detail with a large quality impact. Deformation, chipping, through-holes, or sealing surface damage can affect capping stability and increase downstream rejection. For a 48,000 bottles per hour packaging line, the MT-PK021 Bottle Finish Inspection Machine is positioned as a practical Best Bottle Inspection Machine option for inspecting bottle mouths early, before defective bottles continue toward filling and sealing.
Equipment Overview
The MT-PK021 is a Bottle Finish Inspection Machine designed for online, non-contact inspection of PET and PE bottle mouths. It is used to detect deformation and damage on the sealing surface of the bottle finish and remove unqualified bottles from the line. For buyers evaluating a Best Bottle Inspection Machine, the key value is that inspection can be placed close to the bottle forming stage, reducing the chance that defective containers move into later processes.
| Item | Specification |
|---|---|
| Equipment name | Bottle Finish Inspection Machine |
| Model | Best Bottle Inspection Machine |
| Quantity | 1 set |
| Production capacity | 48,000 bottles/hour |
| Compatible containers | PET / PE bottles |
| Applicable production line | 48,000 bottles/hour PET/PE bottle packaging line |
| Installation point | Inside the blow molding machine, at the bottle discharge position from the mold, or on the conveyor chain |
| Function | Detects and removes PET/PE bottles with deformation or surface damage on the bottle finish |
Why Installation Position Matters
A Best Bottle Inspection Machine for a fast PET/PE line should not only inspect accurately; it should also be placed where defects can be handled efficiently. The MT-PK021 can be located inside the blow molding machine, either at the bottle discharge section or on the conveyor chain. This layout allows the inspection system to check the bottle mouth shortly after formation, before later production steps add more cost to an already defective container.
This early inspection point is especially useful when the main quality concern is the sealing surface. If damage is discovered after filling or capping, the loss may involve the container, product, cap, labor, and line time. Inline finish inspection helps keep quality control closer to the source of the defect.
System Working Principle
The MT-PK021 uses a coordinated inspection process involving a positioning sensor, camera, image processor, HMI, control unit, encoder tracking, and rejector. As a bottle passes the positioning sensor, the system records the bottle ID and the current encoder value. The sensor then triggers the camera to capture an image of the bottle mouth.
After image acquisition, the image processor analyzes the bottle finish image. Results are sent to the HMI for real-time display and simultaneously transmitted to the control unit. If the bottle is judged unqualified, the control unit activates the rejector and removes the bottle with the corresponding recorded ID. This tracking process is one reason the MT-PK021 is suitable for buyers comparing Best Bottle Inspection Machine configurations for high-speed production.
Image Acquisition Components
The inspection result depends heavily on stable image capture. The MT-PK021 uses an LED area light source with a service life of up to 30,000 hours. Through front illumination, the bottle mouth appears as a continuous bright ring in the image, making the finish area easier to evaluate.
The system also uses a fixed-focus lens with manual aperture adjustment. The focus ring is adjusted for image clarity on the CCD sensor surface, while the aperture ring is adjusted to optimize image brightness. The camera is an area-array CCD analog camera with a resolution of 640 × 480 pixels and an image acquisition speed of up to 60 frames per second. These details are important when specifying a PET Bottle Mouth Inspection Machine for a continuous packaging environment.
Detection Scope and Accuracy
A Best Bottle Inspection Machine should be judged by the defects it is designed to identify and the accuracy figures attached to those inspection items. The MT-PK021 focuses on bottle finish conditions that may affect sealing quality, including through-holes, internal chipping, external chipping, spot chipping, and oval-shaped neck deformation.
| Inspection content | Defect dimension | Detection accuracy | False rejection rate |
|---|---|---|---|
| Penetration | Vertical section width 0.8 mm, depth 0.25 mm | ≥99.99% | ≤0.03% |
| Internal defects | Vertical section width 0.8 mm, depth 0.25 mm | ≥99.95% | |
| External defects | Vertical section width 0.8 mm, depth 0.25 mm | ≥99.95% | |
| Point defects | Diameter 0.8 mm, depth 0.25 mm | ≥99.99% | |
| Neck deformation | Diameter difference 2 mm | ≥99.95% |
Operating Conditions Buyers Should Confirm
Before installation, buyers should match the machine requirements with site conditions. The MT-PK021 is designed for an operating altitude of 5–3000 meters, ambient temperature of 5°C–40°C, and relative humidity of 50%–65% RH. Factory floor flatness and load-bearing conditions should comply with relevant national standards to support stable operation.
The operating requirements include a noise level of ≤85 dB, main power supply of 3 × 380V AC ±10%, 50 Hz, 3PH + N + PE, lighting power supply of 220V AC, 50 Hz single-phase, total power consumption of approximately 1.0 kW, control voltage of 24 VDC, and compressed air at 4–6 bar. Special voltage requirements should be confirmed in advance because they may affect equipment specifications, delivery time, and cost.
Practical Value for High-Speed PET and PE Lines
For 48,000 BPH PET/PE bottle packaging lines, the MT-PK021 brings together the core elements expected from a Best Bottle Inspection Machine: inline inspection, non-contact machine vision, real-time display, bottle ID tracking, and automatic rejection. Its role is focused and specific: inspect the bottle finish and remove bottles with deformation or sealing surface damage.
For production teams, that focus can be an advantage. Instead of treating finish quality as a later-stage issue, the inspection system places control close to bottle formation. For buyers comparing solutions, the MT-PK021 offers a clear specification set for bottle mouth inspection on high-speed PET and PE lines.
FAQs
What bottles can the MT-PK021 inspect?
It is suitable for PET and PE bottles used on 48,000 bottles/hour PET/PE bottle packaging lines.
Where is the machine installed?
It can be installed inside the blow molding machine, at the bottle discharge position from the mold, or on the conveyor chain.
What defects does it detect?
The machine detects through-holes, internal chipping, external chipping, spot chipping, and deformed or oval-shaped bottle necks.
How does the rejection process work?
The system records the bottle ID and encoder value, analyzes the captured image, and sends a rejection signal so the rejector removes the matching defective bottle.
Why is it considered a Best Bottle Inspection Machine for 48,000 BPH lines?
It combines online bottle finish inspection, machine vision image processing, HMI display, tracking, and automatic rejection in a configuration designed for 48,000 bottles/hour PET/PE lines.



