Posts by James Stern

Solvent bonding is generally not effective for polyethylene (PE) because it has low surface energy and poor chemical resistance to most solvents. However, some specialized[…]

Acrylonitrile butadiene styrene (ABS) can be solvent welded using a variety of solvents, but the most commonly used solvent is acetone. Acetone is a fast-acting[…]

Acrylic, also known as polymethyl methacrylate (PMMA), is a thermoplastic material that can be easily welded using a solvent. The solvent used for welding acrylic[…]

A Mylar washer is a type of insulating washer used in ultrasonic welding to electrically insulate the horn from the stack or transducer. It is[…]

Establishing a maintenance schedule for ultrasonic welding is an important step in ensuring that the equipment remains in good working condition and can operate efficiently[…]

Ultrasonic welding is a manufacturing process used to join two thermoplastic parts together. It uses high-frequency mechanical vibrations, typically between 20 kHz and 40 kHz,[…]

Part marking can cause issues in ultrasonic welding for several reasons. Firstly, it can indicate that the welding process is not optimized, as excessive pressure[…]

The hold time in ultrasonic welding refers to the duration of time that the force is applied after the ultrasonic energy has stopped. It is[…]

A hermetic seal in ultrasonic welding refers to a seal that is airtight and does not allow any air, gas or liquid to pass through.[…]

In ultrasonic welding, the generator is the power supply that produces the high-frequency electrical energy needed to drive the transducer and convert it into ultrasonic[…]