Short Rope Life MRL

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Short Rope Life MRL #29131 04/24/20 02:24 AM
Joined: Oct 2016 Posts: 10 M Maston stranger
Maston stranger M Joined: Oct 2016 Posts: 10	We are having 3/8” ropes last about 3 years on an MRL. Any thoughts as to how to extend this?

Re: Short Rope Life MRL Maston #29132 04/24/20 03:39 AM
Joined: Apr 2014 Posts: 281 H heisenberg Engineer
heisenberg Engineer H Joined: Apr 2014 Posts: 281	Depends what's happening to them?

Re: Short Rope Life MRL Maston #29134 04/24/20 12:20 PM
Joined: Oct 2016 Posts: 10 M Maston stranger
Maston stranger M Joined: Oct 2016 Posts: 10	Broken lays, we have replaced the ropes twice in 6 years. Last edited by Maston; 04/24/20 12:31 PM.

Re: Short Rope Life MRL Maston #29135 04/24/20 01:14 PM
Joined: Feb 2013 Posts: 804 ohio J john jay old hand
john jay old hand J Joined: Feb 2013 Posts: 804 ohio	If it is a Kone MRL you should be using Metric Ropes.

Re: Short Rope Life MRL Maston #29137 04/24/20 03:22 PM
Joined: Dec 2015 Posts: 1,769 Likes: 12 Local 18 I Indirtwetrust ElevatorPractitioner
Indirtwetrust ElevatorPractitioner I Joined: Dec 2015 Posts: 1,769 Likes: 12 Local 18	Most MRLs use solid core ropes so if they are installed and never oiled they dry out and fail like you describe.

Re: Short Rope Life MRL Maston #29144 04/26/20 01:27 PM
Joined: Jan 2010 Posts: 87 J Jim journeyman
Jim journeyman J Joined: Jan 2010 Posts: 87	Hollister mrls have a very aggressive sheave groove. Equalization and lubrication is extremely important for rope life.

Re: Short Rope Life MRL Maston #29180 05/01/20 02:46 AM
Joined: Feb 2016 Posts: 22 U Upndwn Elevator Guy
Upndwn Elevator Guy U 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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