Custom-Designed Benchtop AB Two-Component Filling & Capping Machine for a Thai Customer

Project Code: WEFILL-AB-CAR-LAB-001
Customer Location: Thailand
Application: Dispensing high-value 3M adhesive (1L tin can → 25/50ml cartridges)

Project Background

The customer is a Thailand-based industrial adhesive solution provider serving precision manufacturing sectors. Their daily operation involves repackaging 3M-brand AB two-component epoxy (original 1L tin can packaging) into 25ml or 50ml dispensing cartridges for downstream end-users.

Given the relatively small daily output, the customer had long relied on manual filling. However, as quality requirements from their clients tightened, three critical pain points emerged:

1. Insufficient precision: Manual plunger filling resulted in ±5%–8% random errors in the A/B mix ratio, leading to inconsistent bonding strength in final applications.

2. High material waste: 3M adhesives are extremely costly. Residue left in cans, ratio deviations, and spillage during manual handling caused significant monthly financial losses.

3. Mismatched investment: Fully automatic high-speed lines offered far more capacity than needed, while requiring a capital outlay disproportionate to the actual production volume.

Needs Assessment & Strategic Pivot

Initially, we proposed our standard model WEFLL-AB-CAR-F001, with a proven output of 700–900 cartridges/hour – a workhorse in the chemical industry.

However, after in-depth discussions, the customer shared two major concerns:

• Excessive capacity: Their actual need was only 200–300 cartridges/day. A Semi-automated line would remain idle most of the time.

• Budget constraints: The procurement budget was less than 60% of the standard machine's price.

Rather than walking away, WEFILL TECH responded swiftly and decisively. Our strategy: reduce non-essential automation, but enhance core precision. Our engineering team immediately designed a benchtop, semi-automatic AB two-component filling and capping machine – purpose-built to address the customer's real-world constraints.

Technical Solution & Process Workflow

This customized machine abandons complex conveyor systems and full PLC automation, returning to the essence of precision dosing. The architecture is built around pneumatic-driven metering pumps with mechanical synchronization.

Core Process Flow:

1. Closed-loop material feeding: The original 3M tin can is directly connected to the metering pump inlet via a custom adapter. The entire path is sealed, preventing moisture absorption or curing that causes material loss.

2. Precise metering & synchronized filling: A high-precision piston metering pump, coupled with pneumatic cylinders and mechanical hard stops, ensures a constant A/B ratio regardless of pressure fluctuations. Simultaneously, an automated lifting fixture raises the cartridge from the bottom during filling, eliminating trapped air bubbles.

3. Semi-automatic plunger insertion: After filling, the operator places the piston plug on the cartridge opening, and the machine's pneumatic pressing fixture completes the sealing – combining simplicity with consistent capping quality.

Results & Customer Value

The custom solution passed customer acceptance smoothly and is now in full production at their Thai facility. The key benefits delivered:

• Budget-friendly precision: The final machine price was only 50% of the standard WEFLL-AB-CAR-F001 – perfectly matching the customer's cost target and dramatically lowering the barrier to automation for smaller operations.

• Material savings at the core: Thanks to the piston pump's repeatable accuracy and the closed feeding path, filling precision is controlled within ±1%. The effective utilization rate per 1L tin of 3M adhesive exceeds 99%, virtually eliminating expensive waste.

• Compact footprint, easy operation: The benchtop design occupies less than 0.5㎡ and fits flexibly into a lab or small-batch workshop. Operators can become proficient after minimal training, with no need for dedicated maintenance engineers.

Why WEFILL TECH?

From initial inquiry to final delivery, this project was completed in under two weeks. That speed and agility are rooted in our 15-year dedication to fluid control:

• Core technology mastery: Deep expertise in piston pumps, gear pumps, and AB mixing systems – backed by extensive application data and real-world performance validation.

• Craftsman mentality, process-first approach: We don't simply push standard catalogs. Instead, we study each customer's unique process challenges, and are willing to "break the mold" with non-standard solutions when that delivers superior results.

• End-to-end service commitment: From concept and engineering to production, and remote commissioning support for overseas installations – our strong service team ensures seamless transition from drawing board to production floor.

Closing Thoughts

This benchtop filling and capping machine may be compact in size, but it delivers oversized value. It solved a high-stakes material-handling problem for our Thai customer while embodying WEFILL TECH's core philosophy: "Let the equipment adapt to the process, not the other way around."

Looking ahead, we will continue to provide flexible, precise, and cost-effective fluid control solutions to the chemical, electronics, and automotive industries worldwide – ensuring every drop of adhesive performs at its full potential, and every filling operation adds tangible value.

WEFILL TECH | Fluid Control Expert – Mastering Core Technology, Making Production Simpler.

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