High voltage bus what heat shrinkable tube heating method

by:Mings     2020-06-29

high voltage bus heat shrinkable tube for preliminary contact with consumers, should be more strange, for high voltage bus heat shrinkable tube heating method all have? More ask pushed, high-voltage bus heat shrinkable tube which is a kind of special polyolefin heat shrinkable casing material, has low temperature shrinkage, soft function of flame retardant, anticorrosive insulation shield. And it and ordinary heat shrinkable tube may not be the same, because of the high voltage, the wall thickness is very thick, so the cases generally 2 - to be met 3 mm won't be breakdown voltage leave traces, as long as mastering the scientific and correct high-voltage bus heat shrinkable tube heating method, we can better to understand the nature of products.

a, heat gun heating method

1. The appropriate length of pipe sleeve on the copper platoon, operation should wear protective gloves, in order to avoid scalding hot copper platoon.

2。 Open a heat gun, the need to set of heat shrinkable casing copper platoon segment preheating, heat evenly, make the copper platoon temperature higher than the ambient temperature, about 60 ℃ or so;

3。 Heating when it comes to the bending place, should be the inside of heating, heating again outside bend, can be avoided the casing at the bending fold;

4。 When heated, should move uniform heat gun, make casing uniform heat, and cannot make the local temperature is too high, resulting in heat shrinkable tube the scorched or cold phenomenon;

5。 Casing with a heat gun on heating, heating from one end to the other side when slow uniform heating, or from the middle to the ends of the heating, banned from both ends to the middle heating, lest appear bubbles, bulging belly phenomenon;

6。 End of heating, copper platoon after cooling, using electric knife according to the requirements of the busbar production and assembly process code row to catch it heat shrinkable casing, casing herself, forcibly shoulds not be too big, lest damage copper platoon;

7。 After the processing, if discover the casing surface stains, should use cloth ( When need dip in does not affect casing insulation performance of the solvent) Wipe clean.

2, oven heating method

1. Opened the oven, set the temperature to 60 ℃ ~ 70 ℃, the need to set of heat shrinkable casing copper platoon preheat segment;

2。 Are taken from the oven copper platoon, the appropriate length of pipe sleeve on the copper platoon, operation should wear protective gloves, in order to avoid scalding hot copper platoon.

3。 According to the casing to use, select the appropriate temperature and heating time, heating oven is used to analyse the casing, pay attention to the copper platoon is put in the oven don't be too crowded, so as to avoid casing thermal shrinkage stress lead to thermal shrinkage when the result is bad;

4。 End of heating, copper platoon after cooling, using electric knife according to the requirements of the busbar production and assembly process code row to catch it heat shrinkable casing, casing herself, forcibly shoulds not be too big, lest damage copper platoon;

5。 After the processing, if discover the casing surface stains, should use cloth ( When need dip in does not affect casing insulation performance of the solvent) Wipe clean.

note

don't heating, from one end to the other side or away from the middle to the sides to heat the air tube.

when bus is reasonable, model selection of the heat shrinkable tube in diameter or folding size conversion can be slightly bigger than the bus, the most economical and practical.

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