SR a DR

English translation: SR to DR

20:27 Jul 6, 2020
Spanish to English translations [PRO]
Tech/Engineering - Engineering (general)
Spanish term or phrase: SR a DR
Translating a industrial crane manual...

6. Pulsador simple doble reenvio.
Pulsador que permite anular los limitadores de gancha arriba y carro atrás. En esta posición solo es posible subir y trasladar el carro en la velocidad más lenta.
Se debe de tener presionado el pulsador para realizar el cambio de carro SR a DR. o DR a SR.

The 6 refers to a button on the control panel diagram.
Shenice Parkyn
Spain
Local time: 09:16
English translation:SR to DR
Explanation:
Otra de las novedades que ofrece esta grúa son los diagramas de carga, ya que puede llevar instalado un carro que permite a la grúa trabajar en simple reenvío (ST-SR) -24t carga de máxima y 4.1t a 80m- o en doble reenvío (ST-DR) - 48t carga máxima y 3.3t a 80m. También admite la instalación de un carro exclusivo para simple reenvío (SR), consiguiendo así una capacidad de carga en punta superior cuando se montan tanto las plumas intermedias como toda la pluma, ofreciendo 24t de carga máxima y 5.1t a 80m.

Adicionalmente, este modelo está equipado con un motor de elevación de 150cv, pero opcionalmente puede incorporar un motor de 180cv para alcanzar velocidades de hasta 150m/min. Además, el conjunto de elevación incluye un tambor especialmente diseñado para JASO por Lebus, que permite enrollar suficiente cable para alturas bajo gancho de hasta 455m, cuando se trabaja en simple reenvío, y hasta 277m trabajando en doble reenvío.

https://jaso.com/tower/es/noticias/presentamos-la-j800-48-nu...

A new feature offered with this crane has to do with the load chart, it can mount a trolley working with single reeving (ST-SR)—maximum capacity of 24 tonnes and 4.1 tonnes at 80 metres—or double reeving (ST-DR)—maximum capacity of 48 tonnes and 3.3 tonnes at 80 metres. It also allows to assemble a special trolley to exclusively work with simple reeving (SR), giving a higher load capacity at the end both with all intermediate boom lengths or with the full boom length assembled, providing a maximum capacity of 24tonnes and 5.1 tonnes at 80 metres.

The standard hoist motor is 150hp while the optional 180hp motor unit gives a maximum speed of up to 150m/min. In addition, the hoist winch comes with a ‘Lebus’ grooved drum specially designed for JASO. It allows enough rope for a 455 metres hook height when working with simple reeving, and up to a 277 metres hook height when double reeved.

https://jaso.com/tower/en/news/we-proudly-present-the-j800-4...

What is true vertical lift? It’s when a hoist can lift the hook straight up and down with no hook drift to pick up or put down in an exact spot. In general, single-reeved wire rope hoists operate with a certain amount of natural drift, and for many applications, that’s not a problem. However, when the load must be lifted or lowered to a specific spot, the industry provides double-reeved wire rope hoists.

http://www.sbomh.com/kb/articles/True_Vertical_Lift_for_Prec...

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Note added at 1 hr (2020-07-06 22:18:11 GMT)
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If your hoist lifting application involves precise placement of loads, a hoist with “true vertical lift” may be the best choice. True vertical lift means that a hoist is able to lift a load straight up without involving any lateral movement caused by the hoist. Chain hoists by design are always true vertical lift; however wire rope hoists are designed with reeving orientation of single reeved or double reeved.

True vertical lift on a wire rope hoist is accomplished with double reeving. This reeving configuration involves two rope parts attached a grooved drum from each end. When the load is lifted from low hook position, the ropes wind around the grooved drum from both ends and towards the middle of the drum when the hook achieves the high hook position. This reeving arrangement allows the load and the hook to remain aligned with the drum’s center, which, in turn, achieves vertical lift. True vertical lift hoist drums can be mounted parallel or perpendicular on single girder cranes and monorails which allows additional application flexibility for hook approach. The use of an equalizer or idle sheave generally allows for a higher hook position and better headroom than a single reeved hoist.

https://www.crane1.com/about-us/blog/understanding-true-vert...

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Note added at 2 hrs (2020-07-06 23:01:14 GMT)
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I've voted 'Pro' because it took me about half an hour to find the English translation of 'simple y doble reenvío'.

--------------------------------------------------
Note added at 2 hrs (2020-07-06 23:04:32 GMT)
--------------------------------------------------

Here's a useful glossary

Reeving (rope):

The reeving of the hoist is the path of the rope between the hoist and the load block.

Double reeving is two parts of wire rope leading off of the drum, one from each end of the drum, creating a hook movement referred to as True Vertical Lift.
Single reeving is one part of the line leading off of the drum in which the hook travels horizontally across the drum during the lift cycle resulting in some measure of hook “drift”.

https://www.washingtoncrane.com/Hoist_Terminology.html
Selected response from:

Helena Chavarria
Spain
Local time: 09:16
Grading comment
Thanks so much
4 KudoZ points were awarded for this answer



Summary of answers provided
4SR to DR
Helena Chavarria


Discussion entries: 1





  

Answers


1 hr   confidence: Answerer confidence 4/5Answerer confidence 4/5
SR to DR


Explanation:
Otra de las novedades que ofrece esta grúa son los diagramas de carga, ya que puede llevar instalado un carro que permite a la grúa trabajar en simple reenvío (ST-SR) -24t carga de máxima y 4.1t a 80m- o en doble reenvío (ST-DR) - 48t carga máxima y 3.3t a 80m. También admite la instalación de un carro exclusivo para simple reenvío (SR), consiguiendo así una capacidad de carga en punta superior cuando se montan tanto las plumas intermedias como toda la pluma, ofreciendo 24t de carga máxima y 5.1t a 80m.

Adicionalmente, este modelo está equipado con un motor de elevación de 150cv, pero opcionalmente puede incorporar un motor de 180cv para alcanzar velocidades de hasta 150m/min. Además, el conjunto de elevación incluye un tambor especialmente diseñado para JASO por Lebus, que permite enrollar suficiente cable para alturas bajo gancho de hasta 455m, cuando se trabaja en simple reenvío, y hasta 277m trabajando en doble reenvío.

https://jaso.com/tower/es/noticias/presentamos-la-j800-48-nu...

A new feature offered with this crane has to do with the load chart, it can mount a trolley working with single reeving (ST-SR)—maximum capacity of 24 tonnes and 4.1 tonnes at 80 metres—or double reeving (ST-DR)—maximum capacity of 48 tonnes and 3.3 tonnes at 80 metres. It also allows to assemble a special trolley to exclusively work with simple reeving (SR), giving a higher load capacity at the end both with all intermediate boom lengths or with the full boom length assembled, providing a maximum capacity of 24tonnes and 5.1 tonnes at 80 metres.

The standard hoist motor is 150hp while the optional 180hp motor unit gives a maximum speed of up to 150m/min. In addition, the hoist winch comes with a ‘Lebus’ grooved drum specially designed for JASO. It allows enough rope for a 455 metres hook height when working with simple reeving, and up to a 277 metres hook height when double reeved.

https://jaso.com/tower/en/news/we-proudly-present-the-j800-4...

What is true vertical lift? It’s when a hoist can lift the hook straight up and down with no hook drift to pick up or put down in an exact spot. In general, single-reeved wire rope hoists operate with a certain amount of natural drift, and for many applications, that’s not a problem. However, when the load must be lifted or lowered to a specific spot, the industry provides double-reeved wire rope hoists.

http://www.sbomh.com/kb/articles/True_Vertical_Lift_for_Prec...

--------------------------------------------------
Note added at 1 hr (2020-07-06 22:18:11 GMT)
--------------------------------------------------

If your hoist lifting application involves precise placement of loads, a hoist with “true vertical lift” may be the best choice. True vertical lift means that a hoist is able to lift a load straight up without involving any lateral movement caused by the hoist. Chain hoists by design are always true vertical lift; however wire rope hoists are designed with reeving orientation of single reeved or double reeved.

True vertical lift on a wire rope hoist is accomplished with double reeving. This reeving configuration involves two rope parts attached a grooved drum from each end. When the load is lifted from low hook position, the ropes wind around the grooved drum from both ends and towards the middle of the drum when the hook achieves the high hook position. This reeving arrangement allows the load and the hook to remain aligned with the drum’s center, which, in turn, achieves vertical lift. True vertical lift hoist drums can be mounted parallel or perpendicular on single girder cranes and monorails which allows additional application flexibility for hook approach. The use of an equalizer or idle sheave generally allows for a higher hook position and better headroom than a single reeved hoist.

https://www.crane1.com/about-us/blog/understanding-true-vert...

--------------------------------------------------
Note added at 2 hrs (2020-07-06 23:01:14 GMT)
--------------------------------------------------

I've voted 'Pro' because it took me about half an hour to find the English translation of 'simple y doble reenvío'.

--------------------------------------------------
Note added at 2 hrs (2020-07-06 23:04:32 GMT)
--------------------------------------------------

Here's a useful glossary

Reeving (rope):

The reeving of the hoist is the path of the rope between the hoist and the load block.

Double reeving is two parts of wire rope leading off of the drum, one from each end of the drum, creating a hook movement referred to as True Vertical Lift.
Single reeving is one part of the line leading off of the drum in which the hook travels horizontally across the drum during the lift cycle resulting in some measure of hook “drift”.

https://www.washingtoncrane.com/Hoist_Terminology.html

Helena Chavarria
Spain
Local time: 09:16
Native speaker of: Native in EnglishEnglish
PRO pts in category: 68
Grading comment
Thanks so much
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