Cap Inspection System Plastic Caps

Elevate quality control in plastic cap manufacturing with Puretronics' Inspection System. Our advanced technology ensures thorough inspection, detecting and addressing defects for impeccable product quality. Trust Puretronics for reliable, high-performance inspection solutions designed to enhance your plastic cap production. Upgrade your quality standards with Puretronics, setting new benchmarks for precision and excellence in plastic cap inspection. Puretronics Plastic Caps offer durable and customized solutions, meeting diverse packaging needs with precision and quality.

Defect Detection and inspection System For Plastic near me

Cap Defect Detection System

Puretronics is proud to present best quality Cap Inspection System in collaboration with QVision Italy. It is a modular vision system, which can be equipped with one or more standard inspection modules; each module is dedicated to specific controls, in order to detect the typical defects of this kind of production. Standard modules are available for the inspection of circular symmetry closures, as flat caps or sport caps, with or without liner. The system can be installed on existing production lines, if necessary technical requirements are fulfilled, or it is possible to offer «turnkey» solutions, supplying the vision system complete of a proper mechanical transportation unit.

The inspection software is fully owned. It is therefore possible, on request, to provide customized versions, together with dedicated hardware configurations, to meet specific customer needs.

  • Features
  • QVISION-C-TOP : For the best inspection of the border and the inner surface of the closures. The inspection is performed with the closures upward facing, with a top-view. The optic is a wide-angle lens, in order to enhance the typical defects on the border of the closure (short-shot, deformation, ovality, horizontal flashes) and inside, on the visible surfaces (contaminations, color variations, black spots). This module can be installed either on a conveyor belt (with caps moving aligned, spaced and upward facing) or on a starwheel.
  • QVISION-C-BOTTOM : For the reliable inspection of the top external surface. Normally this inspection is performed with closures moving on a star-wheel, upward facing, while camera observes the top surface from the bottom, through a hole in the main plate of the machine (usually on the hole is installed a special glass). Typical defects that can be detected with this unit are: dirty, contaminations, color variations, black spots. This module, if required, could also inspect a possible printed logo.
  • QVISION-C-SIDE : For the inspection of the external side surface of the closure. The acquisition unit uses four cameras, installed at 90° each other. The unit is installed on a conveyor belt, with closures moving aligned and spaced, upward facing. Typical defects that can be detected with this unit are: lack of material on the border, vertical flashes, dirty, black spots.
  • QVISION-C-TOP360 : This module has to be installed on a conveyor belt, with closures moving aligned and spaced. It uses a special lens, which allows to observe the side surface with a top-view. If the closures are oriented with the opening downward facing, this unit allows the simultaneous control of the side and top external surfaces. Typical defects which can be detected are color variations, dirty, black spots.
Defects :

Below, a table with examples of the typical defects that can be detected using the modules described above -

Typical defects Good sample Defect
Flat caps:

Missing material (Short shot)


Module:
QVISION-C-SIDE
(Side view)

Plastic1 Plastic2 Plastic3
Flat caps:

Flashes (Vertical)


Module:
QVISION-C-SIDE
(Side view)

Plastic4 Plastic5 Plastic6
Flat/Sport caps:

Missing material (Short shot)


Module:
QVISION-C-TOP
(Top/Inside view)

Plastic7 Plastic8 Plastic9
Flat/Sport caps:

Contamination/dirty


Module:
QVISION-C-TOP
(Top/Inside view)

Plastic10 Plastic11 Plastic12
Flat/Sport caps:

Deformations /ovalities


Module:
QVISION-C-TOP
(Top/Inside view)

Plastic13 Plastic14 Plastic15
Flat/Sport caps:

Color variation


Module:
QVISION-C-TOP
(Top/Inside view)

Plastic16 Plastic17
Flat caps:

Contamination/dirty


Module:
QVISION-C-TOP360
(Top 360 Side view)

Plastic18 Plastic19 Plastic20
Sport caps:

Filament on the injection point of the cover


Module:
QVISION-C-SIDE
(Side view)

Plastic21 Plastic22 Plastic23
Sport caps:

broken tamper evident on the cover


Module:
QVISION-C-SIDE
(Side view)

Plastic24 Plastic25 Plastic26
Sport caps:

damaged tamper evident on the cover


Module:
QVISION-C-SIDE
(Side view)

Plastic27 Plastic28 Plastic29
Sport caps:

broken tamper evident on the cover


Module:
QVISION-C-TOP360
(Top 360 Side view)

Plastic30 Plastic31 Plastic32
Flat caps:

Contaminations/dirty


Module:
QVISION-C-BOTTOM
(Bottom view)

Plastic33 Plastic34 Plastic35
Flat caps:

Missing material on the “folded” band on the tamper evident


Module:
QVISION-C-TOP
(Top/Inside view)

Plastic36 Plastic37 Plastic38
Flat caps:

Dirty on pourer


Module:
QVISION-C-PV
(Custom module with special lens)

Plastic39 Plastic40 Plastic41
Flat caps:

Cavity number reading


Module:
QVISION-C-CR
(Custom module)

Plastic42 Plastic43
Request A Call Back

© 2026 Puretronics | Powered by Inventif Web