The Challenge of Traditional Double-Sided Coating<\/h2>\n
In traditional manufacturing environments, double-sided conformal coating is handled through one of a few approaches, either using multiple coating machines in sequence, manually flipping boards between coating stages, or relying on labor-intensive manual coating altogether. Each approach introduces the same fundamental issues: inconsistent coating results, increased handling risk, higher labor cost, and production bottlenecks that limit throughput.<\/p>\n
Our customer in India was producing PCB assemblies at increasing volumes and needed to upgrade their existing process to handle double-sided coating without adding a second standalone coating line. Their specific requirements were:<\/p>\n
- \n
- Automated board loading and unloading \u2014 no manual handling<\/li>\n
- First-side coating followed by UV curing, then automatic board flipping<\/li>\n
- Second-side coating with UV inspection and second curing stage<\/li>\n
- Full SMEMA integration across all equipment modules<\/li>\n
- High capacity: target throughput to support full-capacity production without dedicated operators<\/li>\n<\/ul>\n
![\"Fully](\"https:\/\/www.sancofd.com\/wp-content\/uploads\/2026\/06\/india-install-3.jpg\")
<\/p>\nIntelligent Automated Workflow In Detail<\/h2>\n
The efficiency of this system relies on the seamless integration of our core coating equipment with high-precision peripheral automation. Below is the step-by-step automated workflow of the double-sided coating line as installed.<\/p>\n
The cycle begins with a Magazine Loader<\/a> automatically feeding the boards onto the conveyor line.<\/p>\n
Boards move through an Inspection Conveyor<\/a> for pre-coating verification before entering the first Three-Axials Coating Machine<\/a> for first-side coating.<\/p>\n
After the first coating pass, boards enter the \u0641\u0631\u0646 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0628\u0627\u0644\u0623\u0634\u0639\u0629 \u0641\u0648\u0642 \u0627\u0644\u0628\u0646\u0641\u0633\u062c\u064a\u0629<\/a> to cure the first-side coating material.<\/p>\n
The \u0627\u0644\u0646\u0627\u0642\u0644 \u0627\u0644\u0645\u0643\u0648\u0643\u064a<\/a> transfers the board to the start of the line.<\/p>\n
A \u0642\u0644\u0627\u0628 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a> automatically rotates the board 180\u00b0 for second-side processing.<\/p>\n
The board then passes through the second \u0645\u0627\u0643\u064a\u0646\u0629 \u0627\u0644\u0637\u0644\u0627\u0621<\/a> and curing oven for the second side. A final inspection stage verifies coating quality before the completed board exits to a Magazine Unloader<\/a>.<\/p>\n
![\"Sanco](\"https:\/\/www.sancofd.com\/wp-content\/uploads\/2026\/06\/india-install.jpg\")
<\/p>\nEquipment Configuration Guide<\/h2>\n
To build a highly efficient inline system, selecting the right mix of machines, ovens, and peripheral automation is critical. The configuration below represents the automated solution as installed.<\/p>\n
![\"Sanco](\"https:\/\/www.sancofd.com\/wp-content\/uploads\/2026\/06\/india-stall-4.png\")
<\/p>\n