Semi Hermetic Reciprocating Compressor 2EES-3Y

High Performance Semi Hermetic Reciprocating Compressor 2EES-3Y

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Details:

Products information :

Semi Hermetic Reciprocating Compressor 2EES-3Y

Brand: Bitzer

Model: 2EES-3Y

Refrigerant: R134a

Oil charge: 1,50 dm³

MOQ: 1 piece

Voltage: 380-420V Y-3-50Hz

Application: HVAC

No. of cylinder x bore x stroke: 2 x 46 mm x 39,3 mm

How to repair cracks in the body using welding methods?

(1) In order to avoid compressor crack expansion, first in the crack at both ends of the drilling 6-8 children's stop crack hole, and along the crack chisel out 80 ° -90 "V" bevel, bevel depth to not more than cylinder wall thickness of 2 / 3 appropriate.

(2) In order to avoid a high degree of local heating and rapid cooling of the parts inside the internal stress and thus in the compressor weld or weld near the new cracks, or due to rapid cooling and grey cast iron white mouth, before welding, to be first

The work is placed in a heating furnace and slowly heated: to a dark red (about 600-650°C).

(3) The compressor workpiece is taken out from the heating furnace and placed in an iron pan with burnt red or coke, except for the welded parts, which are all covered with asbestos sheets: the welded parts should be placed in a horizontal position to weld, and the weld juice to low

flowing.

(4) Welding rod material with high silicon content of grey iron is better. The diameter of the welding rod is 3-4 tangm is appropriate. Because the cast iron in the dissolved state, will strongly absorb the oxygen in the air and be covered by a layer of oxide film, so in the compressor welding

When welding, it is necessary to use flux (usually with borax) The flux can be brought to the weld point by sticking with the heated end of the welding rod. It can also be heated and spread over the welded area.

(5) After welding, in order to further eliminate welding stress, the workpiece should be reheated to 450 ° - 550 ° C and maintain the temperature for about half an hour, and then placed in a box with hot sand or the original heating furnace with hot sand or furnace together with a slow

Cooling, time generally need to be 8-1 hours. When welding cast iron parts with electrodes, cast iron often occur cold hard now, resulting in mechanical processing difficulties, and compressor welding is often not tight enough, so the welding is often only applicable to vibration is not large, processing work accuracy requirements are not high parts.

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