?equipment model and name Csl-y impact specimen gap hydraulic broaching machine ? equipment usage Impact specimen notch broaching machine is the dedicated and affiliated equipment with metallic pendulum impact testing machine, the machine adopts hydraulic drive, electric control the rise and fall of broach, broach lifting speed can be adjusted, adopting the lubricating oil to lubricate blade mouth parts at the same time, to ensure the sample accords with a requirement gap size and surface finish.The machine due to the use of a forming principle, the machining gap of good identity. Broach manufactured high-quality high-speed w18cr4v steel alloy, and its high hardness, good wear resistance, long service life, per knife can be processed more than 20000 samples. ? applicable standard Gb/t229-2007« metal material charpy pendulum impact test method»; Astm e23-02a«metal material gap specimen standard impact test method»; Iso148-2008«metallic materials-charpy pendulum impact test»; Din 50 115-1991«metal material impact test special sample size and fracture judge» Iv main technical parameters Sample notch type U type(u2, u3, u5), v type(v2) Processing sample size 10×10(7.5 or 5)×55mm Broach hardness =hrc65 Installed broach quantity 2 Cutting speed 2.5m/min ( can adjust) System pressure 2.5mpa Hysraulic oil storage 25l Broach stroke 340mm(u2, v2), 390mm(u5) Broach materials W18cv4v Motor power 370w Dimensions 480mm×660mm×1200mm (l×w×h) Weight 200kg V standard configuration 1.Host one 2.V2 broach one 3.U2 broach one Vi optional accessories 1. U3 broach 2. U5 broach