NABL Accredited Calibration Laboratory

JOMNEY END QUENCH APPARATUS - WITH FURNACE

Detailed Specification as follows:

The Fast Heating Furnace Will Have Following Features:

  1. Chamber size : 5" X 5" X 12"
  2. Temperature : Maximum 1200 deg. with a working  temperature 1000 deg
  3. Rating: 3 KW, 220 V, A.C. Power Supply.
  4. Lining  Ceramic Fiber type with low thermal  mass.
  5. Heating   elements : Kanthal A1.

Controls. :

  1. AUTO TUNING PID Digital Teperature controller  cum indicator will be provided
  2. Air Break Contractor./ Solid state Relay
  3. On‑off illumination switch.

Description Of Furnace

  1. The furnace is a vertical or horizonatal  one and special fixtures are provided to place jominy moulds ( 3 Nos at a time) in vertical direction. This helps to a great extent in reducing the transfer time of a specimen from Furnace to the quenching fixture. The furnace will be supplied with MS moulds as per BS 4437,1969.

Jominey Quenching Fixture

  1. This fixture is fabricated with thick M.S.Sheet, as per International standards BS4437‑1969. The system is designed in two parts, one is the Test tank and the other reservoir. Test tank will have dimensions of 1.5' depth and 1 feet height. Standard dimensions while quenching are maintained. Bottom reservoir which contains water is equipped with pumping arrangement. Throttle valve is provided to maintain free jet as per standard.

Additional Salient Feature

  1. Viewing window for adjusting initial free  jet of 63mm
  2. Levelling strip for adjusting initial free  jet of 63mm.
  3. Dial thermometer for checking temperature of  quenching water bath.
  4. Quick release baffle (Stooper) arrangement to  withhold free jet before commencement of quenching.