Products · Equipment
Selective Coating Machines
Professional coating equipment offering complete automation, reliability, quality and efficiency to enhance the quality of your end product.
Selective machines coat the required PCB areas.
EMS supplies ALTD-450GS and ALTD-450U models.
Programming, calibration and UV inspection support repeatability.
Share your board layout and production volume.
Model 01
ALTD-450GS
A high-throughput selective coating platform: it coats jointed (panelised) boards in a single pass as well as coating single boards precisely, which is where its speed advantage comes from on a repeating production run.
- Sheet-metal welded frame for an attractive shape and stable operation.
- Industrial-computer control with a convenient, operator-friendly interface.
- On-line and off-line programming both supported.
- Auto accuracy calibration guarantees precise running.
- Imported pneumatic components throughout the control system.
- Precision pressure regulating valve on the atomisation adjustment balances the atomised airflow and improves edge definition.
- Uniquely mounted electric eye that effectively prevents mis-triggered actions.
- Auto-collection of exhaust emissions better protects the working environment.
- Low-pressure protection prevents damage to the machine and parts.
- Connection port for automatic hand-shaking with in-line signals.
- Pneumatic filter with automatic drainage.
- Low-pressure alarm for safer operation.
- Integrated UV inspection for coating verification.
- High speed and near-silent: coats jointed (panelised) boards in a single pass for higher throughput, and coats single boards precisely.
Model 02
ALTD-450U
The same platform with a nozzle that tilts through 0–45°, so it reaches shadowed areas beside tall components and coats a board with no dead corners — the model to choose when board geometry, not throughput, is the constraint.
- Sheet-metal welded frame for an attractive shape and stable operation.
- Industrial-computer control with a convenient, operator-friendly interface.
- On-line and off-line programming both supported.
- Auto accuracy calibration guarantees precise running.
- Imported pneumatic components throughout the control system.
- Precision pressure regulating valve on the atomisation adjustment balances the atomised airflow and improves edge definition.
- Uniquely mounted electric eye that prevents mis-triggered actions and extends service life.
- Auto-collection of exhaust emissions better protects the working environment.
- Low-pressure protection prevents damage to the machine and parts.
- Connection port for automatic hand-shaking with in-line signals.
- Pneumatic filter with automatic drainage.
- Low-pressure alarm for safer operation.
- Integrated UV inspection for coating verification.
- Nozzle tilts through 0–45° so the board can be coated with no dead corners.
- High speed and near-silent: coats single boards precisely, and inclined coating reaches the whole board with no dead corners.
Comparison
ALTD-450GS vs ALTD-450U
The two machines share a platform and differ in how they reach the board. Panelised throughput points to the GS; board geometry a vertical nozzle cannot reach points to the U.
| Capability | ALTD-450GS | ALTD-450U |
|---|---|---|
| Frame and build | Sheet-metal welded frame | Sheet-metal welded frame |
| Control system | Industrial computer, operator-friendly interface | Industrial computer, operator-friendly interface |
| Programming | On-line and off-line | On-line and off-line |
| Accuracy calibration | Automatic | Automatic |
| Atomisation control | Precision pressure regulating valve; improved edge definition | Precision pressure regulating valve; improved edge definition |
| Nozzle | Fixed vertical | Tilts 0–45° for coating with no dead corners |
| Board handling | Jointed (panelised) boards in a single pass, plus single boards | Single boards, including geometry a vertical nozzle cannot reach |
| Electric eye | Uniquely mounted; prevents mis-triggered actions | Uniquely mounted; prevents mis-triggering and extends service life |
| UV inspection | Integrated | Integrated |
| Exhaust handling | Auto-collection of emissions | Auto-collection of emissions |
| Pneumatics | Imported components, filter with automatic drainage | Imported components, filter with automatic drainage |
| Safety interlocks | Low-pressure protection and alarm | Low-pressure protection and alarm |
| Line integration | Connection port for automatic hand-shaking with in-line signals | Connection port for automatic hand-shaking with in-line signals |
| Chosen when | Panelised volume and throughput govern | Board geometry and full coverage govern |
Full machine specifications — working envelope, utilities and footprint — are issued on request from the downloads page.
Frequently asked
Equipment questions
What is the difference between the ALTD-450GS and the ALTD-450U?
Both share the same welded frame, industrial-computer control, auto accuracy calibration, precision atomisation control and integrated UV inspection. The ALTD-450GS is built for throughput: it coats jointed (panelised) boards in a single pass as well as single boards. The ALTD-450U adds a nozzle that tilts through 0–45°, so it reaches shadowed areas beside tall components and coats a board with no dead corners. Choose the GS for panelised volume, the U for board geometry that a vertical nozzle cannot reach.
Does selective coating remove the need for masking?
Largely, yes — and that is usually the economic argument for the machine. The nozzle follows a programmed path that covers what needs coating and avoids keep-out areas entirely, so the masking and de-masking labour that dominates spray and dip on a connector-heavy board mostly disappears. The trade is programming effort per board type, which has to be amortised over a repeating run.
Can these machines run UV-curing coatings?
Yes. Both models integrate UV inspection, and thick-film UV-curing ELPEGUARD systems are a common pairing because seconds-fast cure keeps the coating step off the critical path. Where tall components shadow the board, the coating system should include a secondary cure mechanism rather than relying on line of sight alone.
Does EMS support the machines after installation?
Yes. EMS supplies selective conformal coating line equipment from AUTOLEADER and supports it locally, alongside the ELPEGUARD coating systems that run on it. That means one supplier for the machine, the coating and the process — and 30+ trained engineers who can also run the process as job work while a line is being commissioned.
Evaluating a selective coating line?
We supply the machine, the ELPEGUARD coating that runs on it, and the engineers who can run the process as job work while the line is commissioned.
Talk to our team