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Automatic Series

Automatic Screw Capping Machine for Sprays, Pumps & Screw Caps

A pneumatic inline automatic screw capping machine for production lines that need a stronger balance of throughput, repeatability and flexibility. It handles screw caps, spray caps and pump caps with adjustable guides and stable torque control.

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Automatic Screw Capping Machine for Sprays, Pumps & Screw Caps

Machine overview

Specification route

Inline automatic capping machine for spray bottles, pump closures and general screw caps.

S

Speed

20–60 bottles/min

C

Cap range

18–70 mm caps

B

Bottle range

20–160 mm bottle diameter

Key features

✓

Inline capping system

Designed for continuous production after filling and before labelling.

✓

Adjustable fixtures

Guides and clamps adapt to different bottle styles.

✓

Photoelectric control

Automates start/stop and improves consistency.

✓

Feeding options

Can integrate with a bowl or elevator where required.

Technical specifications

ModelLU-XG16 class
Working voltageAC 220/110 V, 50–60 Hz
Bottle height30–300 mm
Cap diameter18–70 mm
Bottle diameter20–160 mm
Working speed20–60 bottles/min
Working pressure0.4–0.6 MPa
DimensionApprox. 1930 × 740 × 1600 mm
Machine weightApprox. 150 kg
FeedingCap bowl or elevator optional

Final configuration, speed and tooling should be confirmed against real bottle and cap samples. Trial results may affect the exact quote, footprint and lead time.

Typical applications

  • Spray and pump bottle lines
  • Cosmetics, personal care and toiletries
  • Household liquids, oils and chemicals

What is normally included

  • Automatic pneumatic capper base
  • Guides and bottle clamping fixtures
  • Touchscreen control
  • Operation and maintenance manual

Gallery

Alternative machine images

Only different machine visuals are shown here so the page does not repeat the same product photograph.

Inline compact screw capping machine
Compact inline capping route
Semi automatic screw capper
Semi automatic capping option

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Technical selection

How to specify the LU-XG16-class automatic screw capping machine.

This platform brings bottle detection, inline handling and automatic capping into one controlled cycle. It can be considered when manual tightening is no longer consistent or when the capper must sit between filling and labelling. The final system still depends on whether an operator places each cap or an automatic feeder presents it.

Verified screening envelope

The supplied page lists bottle height from 30–300 mm, bottle diameter from 20–160 mm, cap diameter from 18–70 mm and working speed from 20–60 bottles per minute. Working pressure is listed at 0.4–0.6 MPa and the approximate machine size is 1930 × 740 × 1600 mm. A cap bowl or elevator is optional. These figures must be confirmed for the actual bottle, closure, feed method and line layout.

Cap presentation and thread start

Automatic tightening cannot correct a cap that arrives tilted, reversed or on the wrong thread start. For manual placement, confirm the operator can sustain the target pace safely. For automatic feeding, test cap nesting, orientation, chute handover and placement on the moving or indexed bottle. Specialist feeder selection belongs with Cap Feeders UK.

Bottle control and closure acceptance

Guides and fixtures should support the container through detection, cap engagement and tightening. Tall, flexible or lightweight bottles may need additional support. Agree the finished cap height, application or removal torque method, liner and tamper-feature condition, leakage or closure-integrity check and acceptable cosmetic result.

Controls, changeover and maintenance

Record the approved guide positions, head height, tooling, sensor positions and speed for each format. The project scope should define line start/stop, queue signals, low-cap response, emergency-stop interface and recovery after a jam. Routine checks should include tooling condition, guide security, sensors, pneumatic supply and product contamination around the capping head.

Quotation evidence

Send all bottle and cap variants, filled weights, required output, batch pattern, cap-placement method, available floor space, conveyor height, line direction and upstream/downstream equipment. Use the cap feeder versus manual placement guide and line-layout review before finalising the scope.

Buyer FAQ

Automatic screw capping machine questions.

Is the LU-XG16-class machine a spindle capper?

No. This page describes an automatic inline single-head/pneumatic capping route. A belt/spindle machine uses successive rotating contacts and is a separate option.

Does the base machine include automatic cap feeding?

The supplied specification lists a cap bowl or elevator as optional. The correct feeder depends on the exact cap and must be confirmed by sample testing.

What limits the published 20–60 bottles per minute?

Bottle stability, cap placement, closure geometry, sensor spacing, tightening time and downstream accumulation all affect the sustainable result.

Can one setup handle screw caps, pumps and sprays?

A platform may be configured for several closure families, but tooling, guides, head height and presentation method can differ. Each format must be included in the approved scope.

What controls should be agreed with the wider line?

Confirm start/stop, bottle-present detection, low-cap condition where a feeder is used, queue control, emergency-stop interfaces and the recovery sequence after a stoppage.

When is a spindle system preferable?

A spindle route may be better for continuous higher-output lines with stable bottles and consistently pre-placed threaded caps.

Automatic-line evidence

Validate cap presentation and indexed bottle control together.

The LU-XG16-class machine can only tighten a cap consistently after the closure has been presented correctly and the bottle has reached the capping point in a repeatable position. An automatic capper therefore has to be trialled as a sequence: cap supply, orientation, placement, bottle control, tightening, release and transfer to the next line stage.

Use the video as a layout reference, not a performance guarantee

The run video shows the relationship between conveyor transfer, bottle control and the capping station. It does not establish suitability for a different cap, bottle or output. The final system should be confirmed with representative production samples and an agreed test that includes normal stops, restart conditions and cap replenishment.

  • Confirm the cap is square and stable before tightening begins.
  • Check the bottle cannot rotate, tilt or rebound at the capping point.
  • Define what happens when a cap is missing, inverted or not fully placed.
  • Confirm queue sensing, stop signals and restart behaviour with adjacent machinery.
  • Inspect cap height, thread engagement, liner condition and finished-pack appearance after the run.
Control pointQuestion to settleTrial evidence
Cap feeder handoverCan the closure be oriented and released without nesting, scuffing, bridging or unstable presentation?Normal production caps, low-level and refill conditions, and a record of every misorientation or stoppage.
Bottle indexingDoes the bottle arrive in the same position at steady running and after line stops?Filled bottles across the intended size range, including the least stable format.
Tightening setupDoes the selected chuck or head grip the cap without marking it or distorting the bottle?Approved settings, finished-pack checks and samples from start, middle and end of the run.
Line integrationCan the filler, capper, labeller and conveyors stop and restart without creating an uncontrolled queue?Layout, conveyor direction and height, signal list and agreed accumulation strategy.

Automatic output must be demonstrated with the proposed feed and transfer method.

Send caps, filled bottles, the required line sequence and the acceptance checks used by production or quality teams.

Discuss an automatic trialCompare cap presentation

Automatic sequence

Define the cap handover and bottle-control sequence for the LU-XG16-class route.

Automatic tightening depends on a clean transition from bottle detection and stopping to cap presentation, thread start, head contact, release and outfeed. Each interface should have an observable acceptance check.

Sequence pointControl questionTrial evidence
Bottle arrivalDoes the sensor detect the full format range and stop each bottle squarely?Format extremes at normal conveyor condition.
Cap handoverIs the closure oriented, available and presented without damage or forced correction?Feed/replenishment and recovery from a cap interruption.
Thread startDoes the cap locate before final tightening force develops?Side-view observation, cap height and cross-thread inspection.
Head actionDoes the tool contact the intended closure surface and release cleanly?Tool identity, pack finish and repeatable cycle record.
OutfeedCan the finished pack leave without back pressure, tip or recontact?Connected-line or simulated accumulation test.
Use the defect guide for intermittent cap-start faults and the FAT/SAT guide to turn the sequence into witnessed acceptance evidence.

Question-led guidance

Additional questions about automatic single-head capping

Automatic operation must include bottle detection, cap availability, faults and controlled restart.

How should no-bottle and no-cap conditions be handled?

The intended control sequence should prevent an unsafe or meaningless capping cycle and identify which packs need inspection. Detection and response depend on the machine and cap-presentation scope. Define the required signals and fault behaviour in the line-interface schedule.

What should happen when an automatic capper restarts after a stop?

The line should return to a known state, clear or identify queued bottles and caps, restore spacing and require first-off inspection where needed. Restart behaviour must be tested with the connected feeder and conveyors rather than assumed from steady running.

How are incorrectly capped bottles identified and removed?

The project may use operator inspection, sensors, measurement or downstream inspection depending on the accepted pack and line scope. Define the defect to detect, the reject method and what happens to uncertain packs. The closure-integrity guide helps define the acceptance evidence.

Can an automatic single-head capper begin with manual cap placement?

Some layouts can use operator-placed caps while retaining automatic bottle handling and tightening, but the sustainable output and safe operator position must be proved. If manual placement becomes the constraint, a feeder and controlled handover can be added to the project scope.

Discuss the real bottle, cap and production duty.

Send representative samples, target output and the current acceptance method so Lancing can review the correct capping route.

Send project detailsBrowse technical answers

Automatic quality control

Plan cap inspection and rejection as part of the automatic sequence.

The LU-XG16-class capping route can only deliver controlled good-pack output when the line defines what happens to bottles with no cap, a high or tilted cap, a feed interruption or an unconfirmed reject.

Line eventControl questionAcceptance evidence
No bottle at the capping pointHow are capping and cap placement inhibited without losing the sequence?Challenge the sensor and confirm no unsafe or uncontrolled cycle occurs.
No cap or incorrect handoverDoes the bottle stop, bypass, reject or create an alarm?Test the defined response and bottles already within the controlled zone.
High, tilted or missing capWhere is the defect visible and how is the failed bottle tracked?Use accepted and known-defect packs to challenge detection and reject confirmation.
Conveyor stop and restartHow are bottles between sensors, capping and rejection retained in sequence?Stop at several positions and confirm correct recovery without duplicate or missed actions.
Repeated failuresWhen should the machine alarm or stop the wider line?Test the agreed consecutive-fault rule and operator recovery method.
Plan cap inspection and rejectionPrepare FAT and SAT

Downstream sealing

Plan cap application before an induction-sealing stage is added.

Where a lined screw cap is induction sealed, the automatic capper must create a consistent seated condition before the bottle reaches the sealer. Cap feed, thread start, bottle restraint and cap height should be checked together with foil-seal evidence.

Cap and liner identity

Prevent mixed lined and unlined closures or materially different liner lots entering the automatic feed route.

Pre-seal checks

Detect high, tilted, cross-threaded or missing caps before they enter the induction field where practical.

Line-state control

Coordinate capper demand, conveyor speed, sealer enable and stop/restart behaviour so bottles are not left in an uncontrolled sealing position.

Read the capping and sealing guideControl torque measurement
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