Introduction to the test principle of impact testing machine projector

Impact testing machineThe projector plays an important role in the test process. Jinan Hengsi Shanda Instrument Co., Ltd. gave a detailed introduction to the test principle of the impact test machine projector:

The light emitted by the light source of this projector is illuminated onto the object to be measured through a condenser, and then the enlarged outline of the irradiated object is projected onto the projection screen through an objective lens.Impact testing machineThe optical projection method is used to enlarge the V-shaped and U-shaped notch profiles of the measured impact sample V-shaped and U-shaped notch profiles on the projection screen, and compare them with the standard sample diagrams of the impact sample V-shaped and U-shaped notch on the projection screen to determine whether the detected sample notch is qualified.

As needed, this instrument is a single projection illumination. The light source is projected onto the workbench through a series of optical elements, and then the notched contour of the test sample is clearly projected onto the projector through a series of optical elements. The object is secondary amplified and reflected into a positive image, and the figure seen on the projection screen is consistent with the orientation of the actual sample placement.