How to Choose the Right “Neck Glue” for High-Speed Motors?
Reliable Application Scheme of EP 1738 in Key Parts of High speed MotorsIn the structure of high-speed motors, the “neck position” is a small and critical adhesive point.Not only does it bear high-speed centrifugal force here, but it also has to face multiple working conditions such as high temperature, vibration, and thermal shock for a long time. Once the adhesive layer fails, it may cause abnormal noise and eccentricity, and in severe cases, the magnetic steel may fall off and the entire machine may be scrapped. Neck glue This is also the reason why “motor neck glue” has higher requirements for materials. 1、 What are the mandatory requirements for adhesive in the neck position of the motor?Based on the actual application scenarios of high-speed motors, the use of adhesive needs to meet the following requirements simultaneously: ✅ 1. Good thixotropy, slightly collapsed but not saggingNo flow or drawing after dispensingMicro collapse filling gaps under gravity or assembly pressureEnsure even adhesive layer and avoid eccentricity issues✅ 2. Stable appearance without yellowingColor stability under long-term high-temperature operationDoes not affect assembly visual inspection and quality consistency due to aging✅ 3. Stable high-speed operating conditions (≥ 30000 Rpm)Can withstand high centrifugal force for a long timeThe adhesive layer is not brittle, powdery, or debonding✅ 4. High temperature resistance and resistance to thermal shockMaintain structural strength even in high temperature environmentsStable adhesion performance after cold and hot cycles2、 Recommended solution: EP 1738 single component epoxy structural adhesiveEP 1738 exhibits extremely high stability in practical applications for the complex working conditions of the neck position of high-speed motors. 🔧 Product Core FeaturesSingle component, solvent-freeNo volatilization, no shrinkage risk, suitable for use in precision structural partsExcellent thixotropy, strong resistance to saggingGlued molding is good, suitable for neck position, facade or narrow seam structureGood toughness+resistance to thermal shockNot…
