METAL HAND CUFFS TEST

3 SPEKTEK ALAT LABORATORIUM PENGEMBANGAN INDUSTRI TEKNOLOGI KEPOLISIAN KSA T.A. 2011. aa. Steel Framing Square 300 mm bb. Volumetric Jar 1000 ml. cc. Volumetric Jar 500 ml.

3. METAL HAND CUFFS TEST

Metal Hand Cuffs Test Consist of : a. Tension Test, intend to check mechanical strength of handcuffs and handcuff’s locking system. Test Bench apply a tensile force by pull one cuffs by a moving fixture in the direction of the chain while the other cuffs retain on the fixed fixture. Data result load, time during test digitally stored. Tension mechanism operated by pneumatic actuator or electric motor drive. Tension mechanism should be capable to applying and maintaining force over 300kgf. tensile force should be adjustable from range 100-300kgf with constant traveling speed. Time of load apply should be adjustable from range 1-300 second. Fixture should be easily hold cuffs on appropriate position. Both of fixture should be made from tool steel with hardness 55-60 RC. Result of testing are serial number, load applied, test time, test period. All parts which have possibility of having friction or scratch should made from non-corrosive material or hot dipped galvanize. Test Bench is supplied with operating procedure. b. Torque Test Bench. Test the strength of handcuffs upon torque both cw –ccw direction. The test performs by clamp handcuffs at ratchet area and apply torque by insert torque bit between the cheek plate of handcuffs across ratchet area. Data result torque load, time during test digitally stored. 1 Torque mechanismis operated by pneumatic actuator or electric motor drive. 2 Torque mechanism should be capable to applying and maintaining torque over 30 Nm on cw-or ccw direction at determined time. 3 Torque applied to handcuffs should be adjusted from range 20-30 Nm. 4 Time of torque apply should be adjustable from range 1-300 second. 5 Clamping face should made from soft metal or other soft material. 6 Torque bit should be made from tool steel with hardness 55-60 RC. 7 Result of testing are serial number, torque applied, test time, test period. 8 All parts which have possibility of having friction or scratch should made from non- corrosive material or hot dipped galvanize. c. Salt Spray Test. Subject the handcuffs to mist salt water spray at determined time. Inspect hand cuffs visually for evidence of corrosion. Test Bench consist of spraying booth, brine tank, spraying system, timer and temperature controlling system. Spray booth equipped with window for viewing the process. Spray booth equipped with handcuffs hanger which prevent handcuffs touch each other or touch booth wall. Chamber dimension of Spray booth min 1000x600x600 mm. Brine tank should equipped with mixer to maintain solution homogeneity. Salt water should not directly expose the handcuffs. Temperature Controlling system maintain booth temperature at set ting temperature of 30-40 deg C. All parts of temperature controlling system which fit on booth chamber should be min IP 67 to prevent short circuit during test period. Time of process controlled by timer with range 0-24 hours. All parts and equipment should made from non-corrosive material. Should be leak proof and prevent brine splashing out.

4. BATON TEST