Free Fall Bump Test Machine

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Free Fall Bump Test Machine

FEATURES:

  • Variable Acceleration 'g' and pulse duration 'ms'
  • Adjustable drop height (Motorized)
  • Rigid Mechanical structure
  • Highly accurate repeatability
  • Bump Tests in accordance with various National and International standards
  • PC based control, monitoring and waveform analysis
  • Various safety interlocks for safe operation

The motion of the basic Bump Test Machine is purely vertical. The table is guided to move in a vertical direction with four Pairs of linear bearings. The table is lifted by a shaped cam and is then allowed to free fall and impact a Rubber pad or rigid surface. The programmer can be selected to meet the time Duration requirements of the specification, typically Either 3 to 18 ms.

A desired "g" level is provided by adjusting the drop height of the table. The drop height is adjusted by changing the distance relationship between the underside of the table and the top of the bump programmer. The programmers are situated on top of a structure supported by threaded rod. By adjusting the threaded Rod, we may change the table's distance relationship to the bump Programmers.

The supplementary apart the table is situated from the Programmers, Free Fall Type Bump Test Machine has a robust steel structure, this machine can be used for testing the specimen having weight from 50 Kg to 750 Kg, with Acceleration from 6 "g" to 60 "g" & pulse duration from 3 ms to 18 ms. The machine is made to reproduce the effects of repetitive bumps 60 to 180 bumps per minute likely to be experienced by components and equipment during transportation or when installed in various classes of vehicles. The machine is mounted on air bellows and heavy duty shockers are also used to isolate it from the ground.

Environment Equipmentsmake Computerized bump test machine is a versatile test equipment to carry out bump tests in accordance with various IS, MIL-810F, DIN, EN, ISO, IEC, DEF & ASTM standards. The machine is used in product qualification testing, transient analysis of structures or models, and fatigue tests on Some systems and parts with an object to determine their suitability under repetitive BUMP environment (during transportation or in-service etc) and to judge structural reliability.

 

TECHNICAL SPECIFICATION
Standard Size/ Customized EEBTM - 4545 EEBTM - 6060 EEBTM - 7575 EEBTM - 1010
Type Free Fall Free Fall Free Fall Free Fall
Table Size 450 x 450 mm 600 x 600 mm 750 x 750 mm 1000 x 1000 mm
Payload Capacity 100 kg 250 kg 500 kg 1000 kg
Payload Height Unlimited Unlimited Unlimited Unlimited
Max Payload Size 450 x 450 Mm 600 x 600 Mm 750 x 750 Mm 1000 x 1000 Mm
Acceleration* 5-70 g 5-70 g 5-70 g 5-70 g
Pulse Half-sine Half-sine Half-sine Half-sine
Standard Test ** 7'g' - 10'ms'
20'g' - 11'ms'
30'g'- 6'ms'
40'g' - 6'ms'		 7'g' - 10'ms'
20'g' - 11'ms'
30'g'- 6'ms'
40'g' - 6'ms'		 7'g' - 10'ms'
20'g' - 11'ms'
30'g'- 6'ms'
40'g' - 6'ms'		 7'g' - 10'ms'
20'g' - 11'ms'
30'g'- 6'ms'
40'g' - 6'ms'
Bump Rate 60-180 bumps/min 60-180 bumps/min 60-180 bumps/min 60-180 bumps/min
Max Drop Height 60 Mm 60 Mm 60 Mm 60 Mm
Max Deviation of Specimen from table centre 15Mm 15Mm 15Mm 15Mm
Utilities Required Plant air or bottled Nitrogen 6-8 Bar 415V, 3-Phase 50Hz
Safety Interlocks Mains Input Over & Under Voltage, Phase drop, programmer pad change protection, over travel

 

Note:-

1. Machine can be made as per customer Specifications requirements.

2. The basic concept of free fall bump test machine are higher 'g' at lower 'ms' and lower 'g' at higher 'ms'

3. Various other bump tests can be conducted other than the ones listed above.