Impact Testing Machine

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Resolution for AIT-300-ASTM (D) (Joules)0.5
Effective weight of pendulum (kg)22.35
Distance between Anvils (mm)40 +/- 0.05
Net weight (kg) approx500
Distance between physical percussion centre of pendulum and centre of Charpy specimen(mm)+7.75 Max
Striking edge (Angle of striking edge (degree))30 +/- 2
Pendulum drop angle (degree)140
Suitable ForCharpy - Tests
Radius of supports (mm)1 +/- 0.05
Overall size (mm) approx930(L)x460(W)x2070(H)
Angle of anvil (degree)80 +/- 2
Suitable for specimen size (mm)10x10x55
Total friction and windage losses of maximum Impact energy (%)0.75 Max
Striking edge (Radius of striking edge(mm)8 +/- 0.05
Striking edge(Width of tip (mm))4
Stiking velocity of pendulum (m/sec)5.182
Initial potential energy (Joules)300
Distance between axis of rotation and centre of strike (length of pendulum) (mm)775
Minimum scale graduation for AIT-300-ASTM(Joules)2

Impact Testing Machines As per BS, ASTM and ISO Standard for Metal, Nonmetal and plastics range 2.71 Joule to 500 Joule capacity.

Features:

For charpy tests on various materials.
Strictly conforms to ASTM-E-23-2007 specifications.
Works on pendulum principle. Difference between height of drop of pendulum before rupture and height of rise after rupture of specimen is directly proportional to impact energy absorbed by specimen and is indicated by a pointer on a large dial for Model-ASTM & on Digital Display for Model- ASTM (D).
Single stand design which facilitates fast and easy positioning and centering of specimen which is a basic requirement of sub-zero testing.
Unique spring loaded braking system for smooth and jerk free braking.
NIST approval of machine with samples from NIST-USA. Can be arranged.
Digital version of ASTM model will be available soon.

OPTIONAL ACCESSORIES:

Self centering tong for Charpy test specimen (useful particularl for carrying out tests at sub zero temperature).
Sub zero temperature bath with digital temperature indicator.
Go: No-Go gauges for conforming the following parameters of specimen-within the limits specified by the standard.
Center line of notch from both ends.
Angle of V notch.
Depth below standard V notch
Cross section of 10x10 mm specimen.
Milling cutter for V notch.
Charpy & Izod notch (V&U) broaching machines.
Lateral expansion gauge as per ASTM-E-23.
Standard impact specimen for verifivcation of machine from NIST-USA (we also undertake calibration of the machine as per ASTM-E-23 including approval from NIST-USA).

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