OBO Precision Blog
Engineering guides for dispensing machines, potting systems, materials, applications, equipment selection, and troubleshooting.
How Do You Reduce Voids in Vacuum Potting Applications?
Vacuum potting does not eliminate voids by itself. It only creates better conditions for air removal. Engineers still need the right resin condition, fill path,
How Should Engineers Choose a Dispensing Valve for Different Adhesives?
A dispensing valve should be matched to the material and process, not just to the machine frame. Engineers who choose only by catalog name often
What Causes Incorrect Mix Ratio in 2K Dispensing Systems?
Incorrect mix ratio in a 2K dispensing system is rarely a single-parameter fault. Most lines drift because the pumps, material feed behavior, purge method, and
Why Does Incomplete Curing Happen in Epoxy Potting?
Incomplete curing in epoxy potting usually happens because the resin and hardener are not mixed, metered, dispensed, heated, or held within the real cure window
When Is a Dispensing Robot Better Than a Manual Glue Dispenser?
A practical buyer guide explaining when to move from manual glue dispensing to a dispensing robot, including ROI, repeatability, output, defects and sample testing.
Why Does Poor Adhesion Happen After Dispensing or Potting?
A practical troubleshooting guide for poor adhesion after dispensing, potting, bonding or sealing, covering surface preparation, material compatibility, curing and validation.
How to Prevent Glue Stringing in Automatic Dispensing?
A practical troubleshooting guide for preventing glue stringing and tailing in automatic dispensing by adjusting adhesive, valve, needle, suck-back, speed and Z-height.
How to Prevent Overflow in Potting and Dispensing Applications?
A practical troubleshooting guide for preventing potting overflow and glue dispensing overflow by controlling shot volume, viscosity, cavity volume, needle height, fixtures and process settings.
When Should Manufacturers Use a 2K Meter Mix Dispense System?
A practical buyer guide explaining when manufacturers should use a 2K meter mix dispense system, when a simpler dispenser is enough, and what data to prepare for RFQ.