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#29131
-
04/24/20
02:24 AM
Short Rope Life MRL
Joined:
Oct 2016
Posts: 9
Maston
stranger
Maston
stranger
Joined:
Oct 2016
Posts: 9
We are having 3/8” ropes last about 3 years on an MRL. Any thoughts as to how to extend this?
#29132
-
04/24/20
03:39 AM
Re: Short Rope Life MRL
[
Re: Maston
]
Joined:
Apr 2014
Posts: 263
heisenberg
Engineer
heisenberg
Engineer
Joined:
Apr 2014
Posts: 263
Depends what's happening to them?
#29134
-
04/24/20
12:20 PM
Re: Short Rope Life MRL
[
Re: Maston
]
Joined:
Oct 2016
Posts: 9
Maston
stranger
Maston
stranger
Joined:
Oct 2016
Posts: 9
Broken lays, we have replaced the ropes twice in 6 years.
Last edited by Maston;
04/24/20
12:31 PM
.
#29135
-
04/24/20
01:14 PM
Re: Short Rope Life MRL
[
Re: Maston
]
Joined:
Feb 2013
Posts: 761
john jay
old hand
john jay
old hand
Joined:
Feb 2013
Posts: 761
ohio
If it is a Kone MRL you should be using Metric Ropes.
#29137
-
04/24/20
03:22 PM
Re: Short Rope Life MRL
[
Re: Maston
]
Joined:
Dec 2015
Posts: 1,538
Indirtwetrust
ElevatorPractitioner
Indirtwetrust
ElevatorPractitioner
Joined:
Dec 2015
Posts: 1,538
Local 18
Most MRLs use solid core ropes so if they are installed and never oiled they dry out and fail like you describe.
#29144
-
04/26/20
01:27 PM
Re: Short Rope Life MRL
[
Re: Maston
]
Joined:
Jan 2010
Posts: 87
Jim
journeyman
Jim
journeyman
Joined:
Jan 2010
Posts: 87
Hollister mrls have a very aggressive sheave groove. Equalization and lubrication is extremely important for rope life.
#29180
-
05/01/20
02:46 AM
Re: Short Rope Life MRL
[
Re: Maston
]
Joined:
Feb 2016
Posts: 22
Upndwn
Elevator Guy
Upndwn
Elevator Guy
Joined:
Feb 2016
Posts: 22
Steel core ropes have no hemp. Shipped overseas aka salt
And heat n grooving seem to be common
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