Diamond Systems Tritan Instrucciones de operaciones descargar pdf (Pagina 58)

autocast universal

230 Casting System Operation of the autocast universal Stand 1.9. 03 B 18

Positioning the melting material (L)

a) Titanium

• Place the required titanium ingot (18 g, 22 g, 31 g, 36 g, 40 g)

on the crucible with the flat surface down (F)

• The positioning rings on the crucible determine the exact

position of the titanium casting metal on the crucible.

b) Alloys

• Filling the crucible with metal (alloys):

Take notice that there is contact between the metal and

crucible electrode, as well as the individual metal pieces.

Place the metal pieces in the center and make sure that

there is less metal behind the electrode. (During the melting

process the metal is not visible behind the light arc).

Setting the electrode clearance

a) Titanium

• The distance between the tip of the electrode and the

surface of the metal must be 5 mm.

• Open the electrode clamp (M) with a ring wrench (A/F 7 mm).

• Set the electrode clearance to 5 mm using the gauge

provided.

b) Alloys

• The distance of the electrode remains the same (when

compared to titanium casting).

• The distance between the crucible electrode and the upper

melting electrode is 15 mm.

Important: The triangular tip

of the electrode (N) must always

have an angle of 50°.

• The height of the electrode does not have to be changed

when casting titanium or alloys.

• To replace the electrode (N) see page B 30.

Location of the ring-support plate

• Switch on the main switch (D).

• An audible signal and the green light (mains power supply)

indicate that the unit is ready for operation.

• Open the cylinder pressure regulator to start the flow of

argon gas.

• Place the support disk (O) on the mandrel in the casting

chamber (B) with the knobs upwards.

• Place the ring-contact plate (P) on the support disk (O).

• The ring-contact plate (P) is moved up and down by the

rocker switch (Q).

• When the rocker switch is at the centre position “0” the

ring-contact plate remains stationary in its current position.

right

wrong

50°

clearance

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Diamond Systems Tritan Instrucciones de operaciones Pagina 58

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