Place up to two stencils (750 × 750 × 40 mm) into the two independent units; close the inner-lock safety door.
Stencil cleaning · Full pneumatic, dual-stencil
SME-750II Dual-Stencil Pneumatic Cleaning Machine
A full-pneumatic stencil cleaner with two independent units that clean two stencils at once — 360° rotary spray rods wash both sides, 3-level filtration recycles the liquid, and compressed air blow-dries it.
2 independent units, 2 stencils at once · Stencil up to 750 × 750 × 40 mm · 360° rotary rods both sides · 3-level filter (1 mm / 20 µm / 1 µm) · No electric power.
2 unitsTwo independent cleaning units — clean two stencils at once
360°Rotary spray rods wash both sides of each stencil
3-levelFiltration: 1 mm net, 20 µm bag, 1 µm cotton, liquid recycled
Working principle · 3D interactive
How the SME-750II cleans two stencils
Drag the 3D view to rotate it. Two independent cleaning units each hold a stencil; 360° rotary spray rods wash both sides with solvent, the liquid is filtered and recycled, then compressed air blow-dries it — no electric power at all.
CHAMBER
AIR DRY
ROD L
ROD R
360° RODS
3-LEVEL FILTER
Drag to rotate · scroll to zoom
Upper and lower rotary rods spray solvent onto both sides, keeping stencil tension stable.
3-level filtration (1 mm net, 20 µm bag, 1 µm cotton) recycles the liquid with low consumption.
Compressed air blow-dries both stencils; open the door and they are ready for the line.
The hidden cost of manual stencil cleaning
Wasted solvent and unsafe manual cleaning are taxing your line
Every drop of wasted solvent, every operator exposed to chemicals and every blocked aperture costs money. A dual-stencil pneumatic cleaner changes that math.
Wasting cleaning liquid
Manual cleaning and poor filtration waste solvent and cleaning liquid.
Chemicals damage workers
Hand exposure to solvent puts operators at risk.
Fire and detonation risk
Electric cleaning equipment near flammable solvents carries ignition risk.
Blocked apertures
Residue left in stencil apertures causes paste misprint and rework.
Slow one-by-one cleaning
Cleaning stencils one at a time bottlenecks changeover.
Sewage pollutes the earth
Uncontrolled discharge of contaminated solvent damages the environment.
Feature · Advantage · Benefit
What the SME-750II actually changes on your floor
Select a feature to connect the verified capability with its technical advantage and the practical benefit your factory feels.
''
Source: SME-750II brochure
'
Source: SME-750II brochure
Capacity
Two units, two stencils at once
Clean two stencils in one cycle.
Feature
Two independent cleaning units can clean two stencils at one time, and different types of stencils (reference design).
Advantage
Double throughput without doubling the machine.
Benefit
Faster changeover between jobs.
2 independent units · 2 stencils / cycle · Different types
Independent units — two stencils cleaned at once.
Electric power used — full pneumatic, solvent safe.
Filtration levels: 1 mm net, 20 µm bag, 1 µm cotton.
SUS304 structure lifespan reference.
Return on investment
What dual-stencil pneumatic cleaning is worth
Worked example for an EMS line cleaning stencils by hand today.
Throughput — two stencils cleaned per cycle in independent units.
Less solvent consumed with 3-level filtration and recycling (reference estimate).
Operator per shift freed from manual stencil scrubbing.
Typical payback for a dual-stencil cleaner on a mid-size line (reference estimate).
ROI figures are planning estimates based on reference EMS lines; actual payback depends on stencil volume, solvent cost and quality targets. We calculate a line-specific payback with your numbers during the consultation.
Source-verified technical data
Key specifications for project evaluation
Values support initial evaluation and remain subject to final technical confirmation against your feeder cart and tape formats.
SME-750II main specifications
From the SME-750II brochure| Stencil size | L750 × W750 × H40 mm × 2 pcs maximum |
|---|---|
| Cleaning units | 2 independent units — clean two stencils (or different types) at once |
| Liquid tank capacity | 40 L × 2 pcs |
| Wash method | 360° double-side rotary nozzles, liquid spray wash |
| Dry method | 360° double-side rotary nozzles, liquid then air blow dry |
| Clean / dry time | 3–5 min clean · 3–5 min dry (solder paste stencil) |
| Filter system | 1 mm SUS304 filter net · 20 µm filter bag · 1 µm cotton filter per unit |
| Air supply | 0.5–0.7 MPa, 400–600 L/min × 2 sets |
| Net weight | 480 kg |
| Machine size | L1500 × W960 × H1700 mm |
| Structure | SUS304, acid/alkali corrosion resistant, 15-year lifespan; all liquid pipes SUS304, no plastic |
| Liquid | Both solvent and cleaning liquid supported; liquid recycled for low consumption |
Safety & components
From the brochure| Safety | Inner-lock safety door and safety valve — the machine stops immediately if opened |
|---|---|
| Operation | One-button operation; clean and dry complete automatically |
| Auto dosing | Standard solvent auto add and discharge function |
| Pneumatic parts | Ingersoll Rand air pump (USA), HENNGSTLER timer (Germany), KOGANEI indicator (Japan), SUS304 angle valves and pipes (China) |
| Design | Modular design for easy maintenance |
Specifications from the SME-750II pneumatic stencil cleaning machine brochure. Final configuration is confirmed against your stencils and cleaning liquid.
2 independent unitsFull pneumatic360° rotary rods3-level filterSUS304 15-yrSolvent auto dosingInner-lock safety doorModular design
Equipment options & selection guide
Choose the right stencil cleaner
Southern Machinery offers pneumatic and electric stencil cleaners. Use the guide below, then we confirm the details with a free consultation.
Selection guide
Match the machine to your cleaning task| SME-750II dual-stencil cleaner | Two independent pneumatic units, two stencils at once. Use for high stencil volume with flammable solvents (no electric power). |
|---|---|
| S-1688 pneumatic cleaner | Single-stencil full pneumatic cleaner. Use when one stencil per cycle is enough. |
| SME800 electric cleaner | Electric drive with DI rinse and hot-air blower. Use when faster drying and DI rinsing matter. |
| Cleaning liquid | Both solvent and cleaning liquid supported (SME-750II reference). |
Configuration checklist
Send with your inquiry| Stencil details | Stencil size (up to 750 × 750 × 40 mm reference), solder paste / red glue / copper mask type |
|---|---|
| Cleaning liquid | Solvent or cleaning liquid; volume per day |
| Throughput | Stencils per day and cleaning intervals |
| Facility | Air supply (0.5–0.7 MPa, 400–600 L/min × 2), exhaust, floor space (L1500 × W960 × H1700 mm) |
Product & catalogue visuals
See the SME-750II and how it cleans
Click any image to enlarge. Views cover the machine, cleaning results, filtration detail and the family.
Optional online media
Watch stencil cleaning in action
Videos load only after you select them, keeping this page lightweight. All clips are from the official Southern Machinery YouTube channel.
How pneumatic stencil cleaner works
Improving SMT soldering quality with pneumatic cleaning.
High speed stencil cleaning
PCBA stencil cleaning machine in action.
SME800 auto stencil cleaning
Family reference: electric stencil cleaning.
Online auto cleaning
Automatic PCBA board and stencil cleaning.
You are offline. The product presentation remains available; videos can be loaded when a connection is restored.
Installation guide
Install and commission the SME-750II
Reference procedure for a pneumatic dual-stencil cleaner. Full documentation ships with the machine.
Place the machine on a solid, flat, clean floor with enough space for the two units, spare parts and maintenance.
Connect the main air supply (0.5–0.7 MPa, 400–600 L/min × 2 sets) and the exhaust vent to an outer hose.
Fill the two 40 L tanks with solvent or cleaning liquid; check the 1 mm net, 20 µm bag and 1 µm cotton filters.
Check rotary rods, valves, the inner-lock safety door and the solvent auto add/discharge function.
Load two stencils, press start and verify the clean and air-dry result.
From stencil review to production
Engineering support around your cleaning deployment
We confirm the machine and cycle before you commit — installation guide included.
Share your stencil types, cleaning liquid and volumes.
Model and cycle confirmed within 24 hours.
SME-750II dual, S-1688 single or SME800 electric matched to your line.
Free installation and training; operators trained on one-button operation.
7×24 worldwide support, 1-day spare parts lead time.
Technical evaluation FAQ
Questions buyers ask before ordering
What does the SME-750II clean?
Solder paste stencils, red glue stencils and copper masks, removing residue with solvent or cleaning liquid — and it cleans two stencils at once.
Why two independent units?
Each unit has its own 40 L tank and 360° rotary rods, so two stencils (even different types) are cleaned in one cycle, doubling throughput.
Why full pneumatic?
The machine is driven entirely by compressed air with no electric power, so there is no ignition source near flammable solvents — 100% safe.
How does filtration work?
3-level precise filtering — 1 mm SUS304 net, 20 µm filter bag and 1 µm cotton filter per unit — keeps the liquid clean and recycles it for low consumption.
How long does a cycle take?
Reference clean time is 3–5 minutes and dry time 3–5 minutes for a solder paste stencil, with one-button automatic operation.
How do I get a price and delivery time?
Email info@smthelp.com or WhatsApp +86 136 0256 2576 with your stencil types, cleaning liquid and volume. Quotation and delivery schedule are provided after technical confirmation — typically the same working day.
Next step
Send your stencil and liquid details for a cleaning proposal
Tell us your stencil types, cleaning liquid, volume and quality target. We reply with a machine recommendation, quotation and delivery schedule.