Conveyor Metal Detectors for Packaging Lines
LEKA Pack Line (lekapackline.com) conveyor metal detectors LK-910K and LK-818 find Fe / Non-Fe / SUS on belt-fed packs along packaging and food lines. Tunnel height options and empty-machine sensitivity are catalog references—not rated or guaranteed on-product values. Confirm aperture, reject method and line speed during project review.
Where it sits
Often after filling/capping or before case packing, depending on metal lids and QA rules. For foil packs use the aluminum foil metal detector. For non-metal foreign objects see food X-ray inspection. Upstream: bottle packaging line.
About LEKA Pack Line / catalog references
LEKA Pack Line (lekapackline.com) supplies LK-910K and LK-818 conveyor metal detectors for online Fe / Non-Fe / SUS detection on belt-fed packs. Tunnel height options span about H 100–350 mm (custom). Empty-machine sensitivity figures are not rated or guaranteed values; match line speed and confirm by product test during project review.
Models
Compare catalog reference bands first, then confirm with your product, speed and line layout.
LK-910K
Touch-screen conveyor metal detector for bottles, cartons, plastic bags, and paper boxes after non-metal packaging. The coil is sealed. It stores 200 products, learns automatically, keeps 100 batch reports after power loss, and drops 32,768 detail reports when power is lost. A start delay shields the motor from site interference. This table is for the standalone LK-910K. The LK-910K-XP210 combo uses its own table.
Ask about LK-910K| mm H | 100 | 120 | 150 | 200 | 250 | 300 | 350 |
|---|---|---|---|---|---|---|---|
| Fe | 0.7 | 0.8 | 1.0 | 1.2 | 1.5 | 2.0 | 3.0 |
| Non-Fe | 1.0 | 1.2 | 1.5 | 2.0 | 2.5 | 3.0 | 3.8 |
| 304 | 1.2 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 | 4.5 |
Empty-machine sphere diameter. Product, salt, water, frozen product, and where the metal sits in the pack change the result.
LK-818
Color-LCD conveyor metal detector for iron, copper, aluminum, and stainless steel after non-metal packaging. One-button product setup and 100 product memories.
Ask about LK-818| mm H | 100 | 120 | 150 | 200 | 250 | 300 | 350 |
|---|---|---|---|---|---|---|---|
| Fe | 0.8 | 1.0 | 1.2 | 1.5 | 2.0 | 2.5 | 3.0 |
| Non-Fe | 1.2 | 1.5 | 1.8 | 2.0 | 2.5 | 3.0 | 3.5 |
| 304 | 1.5 | 2.0 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 |
Empty-machine sphere diameter. Product, salt, water, frozen product, and where the metal sits in the pack change the result.
Detectable metals
Conveyor metal detectors are for metallic contaminants — typically iron (Fe) and stainless (SUS). They are not X-ray systems and do not claim ceramic, glass, bone, or stone detection.
Catalog reference images. Empty-machine Fe/SUS figures on this page remain theoretical no-product references — actual detectable size depends on product, packaging, and line conditions and is confirmed during project review.
Models at a glance
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| Model | Tunnel | Empty-machine ref. @100 mm H | Speed | Reject |
|---|---|---|---|---|
| LK-910K | Width 400 mm (custom); H 100–350 mm options (custom) | Fe ≥0.7 / Non-Fe ≥1.0 / 304 SUS ≥1.2 mm | 25–30 m/min | Optional / customized |
| LK-818 | Width 400 mm (custom); H 100–350 mm options (custom) | Fe ≥0.8 / Non-Fe ≥1.2 / 304 SUS ≥1.5 mm | 25–30 m/min | Optional / customized |
Specifications
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| Tunnel H | LK-910K Fe / Non-Fe / SUS | LK-818 Fe / Non-Fe / SUS |
|---|---|---|
| 100 mm | ≥0.7 / ≥1.0 / ≥1.2 mm | ≥0.8 / ≥1.2 / ≥1.5 mm |
| Higher apertures | See full catalog matrix during project review — figures coarsen as height increases up to ~350 mm | |
HMI, recipes, power & size
LK-910K: Touch HMI, 200 recipes, ~120W class, ~1400×850×950 mm. LK-818: LCD, 100 recipes, 120W, ~1400×820×900 mm. Power both 220V±10% 50Hz.
LK-910K: Touch HMI, 200 recipes, ~120W class, ~1400×850×950 mm. LK-818: LCD, 100 recipes, 120W, ~1400×820×900 mm. Power both 220V±10% 50Hz.
Empty-machine (no-product) reference sensitivity for each model at stated tunnel H×W. Larger tunnel heights reduce empty-machine reference sensitivity (catalog tables extend to ~350 mm H). Empty-machine (no-product) reference sensitivity figures are theoretical references without product effect; actual detectable size depends on product, packaging, and line conditions and is confirmed during project review. Reject: optional / customized (pusher, flap, air).
Frequently asked questions
What metals can a conveyor metal detector find (Fe, Non-Fe, SUS)?
Conveyor metal detectors are configured for ferromagnetic (Fe), non-ferrous, and 304 stainless (SUS) reference spheres under empty-machine conditions. Actual performance depends on product effect, tunnel height, and packaging.
Why does tunnel height change empty-machine sensitivity?
Larger tunnel apertures generally reduce empty-machine reference sensitivity. Catalog tables list Fe / Non-Fe / SUS by tunnel height; pick height from product height plus clearance, then confirm with samples.
Can I treat catalog figures as on-product performance?
Empty-machine (no-product) reference sensitivity figures are theoretical references without product effect; actual detectable size depends on product, packaging, and line conditions and is confirmed during project review.
Send project details for a configuration review
Email sales@lekapackline.com or WhatsApp +86 18126903504.
Include these details
- product form
- packaging material (foil / metal lid / zipper?)
- piece size & weight range
- target speed
- what to detect or check
- voltage & destination country
- new line or retrofit (line speed, belt height, left/right discharge)
- photo or sketch
- existing equipment brand
- report / batch traceability need
- reject preference
- planned quantity
- reject collection
- PLC / interlock signals
- line height and left/right flow