ASTM Impact Machines

STANDARD ACCESSORIES:

1. 1. Charpy Striker - 1 no
2. 2. Charpy Support Block - 1 set.
3. 3. Specimen setting gauge (for charpy) -1 no
4. 4. Set of spanners - 1 set.
5. 5. Foundation braket - 1 no.

OPTIONAL ACCESSORIES:

• 1. Self centering tong for Charpy test specimen (useful particularly for carrying out tests at sub zero temperature)
• 2. Sub zero temperature bath with digital temperature indicator
• 3. Go : No-Go gauges for confirming the following parameters of specimen within the limits specified by standard:
  •     a. Centre line of notch from both ends
  •     b. Angle of V notch
  •     c. Depth below standard V notch
  •     d. Cross section of 10x10 mm specimen
• 4. Milling cutter for V notch
• 5. Charpy & Izod Notch (V & U) Broaching machines
• 6. Lateral expansion gauges as per ASTM-E-23
• 7. Standard Impact specimen for verification of machine from NIST, USA (We also undertake calibration of the machine as per ASTM-E-23 including approval from NIST - USA)

Technical Data:

Suitable For	CHARPY TESTS
Initial Potential Energy (Joules)	300
Mainimum Scale Graduation for AIT -300-ASTM (Joules)	2
Resolution for AIT-300-ASTM (D)	0.5
Pendulum Drop Angle (degree)	140
Striking Velocity of Pendulum (m/sec)	5.182
Distance between Axis of Rotation and Centre of Strike (i.e. Length of Pendulum) (mm)	775
Effective Weight of Pendulum (kg)	22.35
Total Friction and Windage Losses (%) of Max. Impact Energy	0.75% Max.
Distance between Physical Percussion Centre of Pendulum and Centre of Charpy Specimen (mm)	± 7.75 mm Max.
STRIKING EDGE	CHARPY TESTS
Angle of Striking Edge (degree)	30±20
Radius of Striking Edge (mm)	8±0.05 mm
Width of Tip (mm)	4
SPECIMEN ANVILS AND SUPPORTS	CHARPY TESTS
Suitable for Specimen Size (mm)	10x10x55
Distance between Anvils (mm)	40±0.05
Angle of Anvils (degree)	800±20
Radius of Supports (degree)	1±0.05
Overall Size (mm) Approx	930L x 460 W x 2070 H
New Weight (kg) Approx	500

Digital Impact Testing Machine

Features:

1. 1. Capacity: Charpy: 300 Joule, Izod: 170 Joule.
2. 2. This is a low-cost Impact testing machine & it is specially designed for engineering colleges.
3. 3. This Machine conforms to IS 3766-1977, IS 1598-1977, IS 1757-1988, IS 1499-1977, and BS 131 Part I, II, III, IV standards.
4. 4. This is a simple & maintenance-free machine.
5. 5. New modified Brake drum unit is provided to stop the pendulum swing instantly after the test.
6. 6. Safety guard is provided for operator safety.

Standard Accessories :

• 1. Charpy Striker R2 mm - 1 No.
• 2. Izod Strike R0.75 mm - 1 No.
• 3. Charpy - Izod support Block - 1 No.
• 4. Specimen setting Gauges for Charpy & Izod - 1 Each.
• 5. Allen key Set - 1 set.
• 6. Instruction Manual - 1 No.