1 checks the Charpy V type and U type gaps
2 meet the demand in GB/T2292007
<Metallic materials-Charpy notch impact test

1 Usage and Characteristics

CST-50 Type Impact Specimen Gap Projector,

based on the practical requirement of the

domestic customers and according to the demand

of impact specimen gap in GB/T229-2007

<Metallic materials-Charpy notch impact test> is

the special equipment which checks the Charpy

V – type and U - type gaps. The instrument magnifies

impact specimen gap’s outline and projects it

onto screen to compare with standard sample

drawing of the impact specimen V-type or U-type gaps. This helps to examine whether the tested impact specimen gap is qualified or not.

2 Main technical parameters

 Diameter of the Screen: 200mm

  Size of worktable

Size of square worktable: 110×125mm

Diameter of round worktable: 90mm

Diameter of working screen: 70mm

 Journey of worktable

Longitude: ±10mm

Latitude: ±10mm

Rise and fall: ±12mm

 Scope of Revolving of the worktable: 0° ~ 360°

  Magnification of the instrument: 50X

Magnification of the object lens: 2.5X

Magnification of the objective lens for projection: 20X

Illuminant (Tungsten-halogen lamp): 12V 100W

 Outline size: 515×224×603mm

   Weight: 18Kg

   Supply power: 220V 50Hz

3Equipment configuration

   1. Host                          one

   2. Base adjustment button        four

   3. Power line                     one

   4. Halogen tungsten lamp          two

   5. Flat glass plate               one