Purpose: This machine is an accessory specialized for drop hammer tear testing machineUse equipment to suppress DWTT drops according to corresponding standardsCrack the specimen with a hammer. Adopting hydraulic transmission and electric controlControl the lifting and lowering of the oil cylinder with an electromagnetic directional valve. be equipped withTravel switch, when the compression gap reaches the specified depthIt can automatically shut down without manual valve controlEasy to cause damage to the sample and testing machine due to over impact.The pressure knife is made of high-quality alloy material, which is not easy to wear and tear, makingHigh lifespan.