Customer Challenge:
Crankshaft position sensors are a critical element of internal combustion engines as they help control ignition timing and report the vehicle’s revolutions per minute (RPM) displayed on the tachometer. The crankshaft position sensor is considered a truly critical component of the engine as its failure would cause the engine to cut out while running or not start at all.
These sensors are typically mounted near the flywheel and thus are exposed to vibration, large temperature shifts, and common automotive chemicals. Potting the sensors with a hard, durable material is a quick and easy solution to ensure long-term reliability of the sensor.
Single-component epoxy potting compounds offer customers a turnkey potting solution that negates some of the difficulties of working with traditional 2-part epoxy like measuring out components and mixing. A single-part epoxy comes premixed, so the user can simply dispense the requisite amount of material.
For this customer, the challenge was to find a potting solution that could easily be incorporated inline with their process with minimal disruption while ensuring long-term reliability of the crankshaft position sensor.
KEY CUSTOMER REQUIREMENTS
- Protects against vibration, thermal shock and hydrocarbon exposure
- Easy to dispense material
- Cures quickly at elevated temperature
SOLUTION
MG Chemicals 9510 one-part epoxy potting compound offers users the durability of epoxy chemistry without the hassle of measuring components or mixing. The compound has a low viscosity, ensuring it’s able to wet out small components for complete coverage. The single-component material can easily be incorporated into an assembly workflow and cures quickly at elevated temperatures. The cured material is rigid, offering exceptional protection against mechanical shock and chemical exposure.
CONCLUSION
Parts like the crankshaft position sensor are critical to the sustained operation of vehicles, making it vital to ensure they do not fail from environmental exposure. One-part epoxy potting compounds like the 9510 cure to a rigid finish, offering protection against mechanical forces and chemical exposure. The low viscosity compound is simply dispensed then cured, making it a turnkey product that easily incorporates into any assembly process.
