FAQ´s and tips
There are 4 major differences between a winch and a chain hoist (hoist=hoist): functionality, positioning, cable vs chain, and working length.
Functionality:
A chain hoist can only be used to lift loads. In addition to lifting loads, a winch is also used to lift, pull (horizontal displacement), or tension objects. In this example, we’re comparing an industrial winch to a mechanical load pressure brake (ratchet wheel mechanism). Unlike a winch that is only used to haul loads like on a trailer or on a car.
Positioning:
In a lifting application, both hoist and winch require a structure directly above the load. The hoist (hoist) must be installed directly above the load, while the winch can be installed at any distance from the load, as the cable is located directly over the load using pulley blocks.
This is one of the main differences between a hoist and pull winch. In practice, the person who wants to lift the load must be able to stand next to or close to the load with a hoist. With a winch, this is not necessary. This difference is especially true for hand-operated hoists and winches, as electric hoists are operated with a control unit or a remote control.
Chain or cable:
Working Length:
The cable is wound on the drum of the winch, which is why a lot of cable can be stored. The average lifting height of a winch is between 15 and 120 meters. The chain on an electric hoist is assembled in a container, while the chain on a manual hoist remains hanging. In both cases, the average lifting height is between 2 and 20 meters. If you do not find the right pull or lift winch for your purpose or use the winch incorrectly, the life of the winch risks being shortened with the result that the winch wears out too quickly and breaks down.
Difference between hoist and winch
(Towing) winches used in special conditions such as salvage, towing and 4×4/off road require a better equipped product than a winch that is used less, e.g. to pull an object onto a trailer or car.
Winches mounted on a “4X4” can save a lot of hassle, and the choice of model must therefore be carefully considered. The winch must be powerful enough to pull your vehicle through obstacles such as running water, slopes in terrain, mud, snow, and sand.
The maximum pulling/lifting force of a winch:
The maximum wire pull is the force the winch can deliver in single wire in the first layer of the drum.
As layers of the wire build up on the drum of the winch, the overall pulling speed increases, but the pulling capacity decreases accordingly. See the technical information for the specific winch.
If you use a lifting winch for pulling, the load can be multiplied by a factor of 7 on a flat surface. For example, a 100 kg hoist can move a load of 700 kg. On a 20% slope, this is as an example a factor of 3. This takes into account the friction of a15%.
However, hoist winches do not have a freewheel clutch.
All ratings and calculations are based on the top layer. For each layer removed on the drum, the traction force is increased by about 10%. When using a casting block, the pulling force of the line is increased by about 85% at half speed.
If you use a pulley, you can in practice almost double the winch pulling capacity, but at the same time halve the drawing speed. Watch this excellent video, which shows the correct use of electric winches as well as the necessary equipment.
It is good practice to use a pulley for heavy pulls, as this reduces the number of amps that go through the winch’s engine, which contributes to the engine becoming less hot.
All winches are rated on a DEAD WEIGHT line pull and can pull in excess of the rating on rolling loads and wheels.
To calculate your line pull
Line Pull = W*(Gr+CF)
W= Weight
GR= Grade Resistance
CF= Coefficient of friction
For example, if you want to pull a steel bin on wheels up a 30% cement grade with a total weight of 5 tons, What line pull do I need?
Line pull = 5 tons * (.288+.2-.5) = 2.44 tons – 3.94 tons
How to avoid wire jam:
Get the right sheave position:
Angel fleet:
The right fleet angle is important if you wish to avoid wire jams.
The winch must be placed so the wire is getting as close as possible to 90° as possible.
If this is not considered, you risk the wire is placed on one side of the drum, which will damage the winch or the wire.
In order to get a correct winding in angel, a sheave must be used.
The sheave must optimally be placed at a distance of 19x the with of the drum on the winch.
The maximum pulling/lifting force of a winch:
All winch capacities are based on the pulling/lifting force in the first layer of the drum
The biggest force of the winch is the pulling force on the first layer of the drum.
As more and more rope is added to the drum the drawing/pulling speed will increase but the pulling force decline. (Please study the technical information for your specific winch choice)
If a pulley block (with one wheel) is used the pulling capacity will double, but the speed will be 50% slower.
When using a pulley for heavy duties the amp going through the motor will be reduced, meaning the motor will be less warm.
The winch must have a capacity of 1.5 times the weight to be pulled/lifted. So a winch that must pull 2 tons must have a capacity of 3,5t.
The IP shows how the product is protected against water and dust etc. Consists of 2 digit numbers
Example:
IP 66 means dust tight and protected against powerful jetting water
Hydraulic industrial pulling and lifting winches
We recommend the use of hydraulic winches as they are very reliable, simple construction and stabile.
Hydraulic industrial pulling and lifting winches are essential equipment in various industries where heavy lifting and pulling tasks are required.
Industrial hydraulic winches for towing and lifting in industry and off-road.
LV-HV, LV-HVDS (2 speed) and LV-HVFS (fast speed) are series of hydraulic traction winches. The LV-YT series are fast-paced industrial games in compact design designed for lifting.
We offer a 3-year factory warranty and use stainless steel components to the greatest extent possible. All hydraulic products are originally produced.
Delivery time for standard winches normally 2-3 weeks from ordering.
Payment terms: 100% by order
The advantages are many and the stability very high. These winches are also in principle waterproof, (but do not work underwater). The winches are designed to connect to the car’s hydraulic system and are usually built in between the car’s bumper and engine. Talk to your mechanic about the possibilities.
Our winches are used on forest machinery, in connection with demolition, on tractors, on rescue vehicles and in many other industrial applications where stable winch systems are necessary.
Of course, it is possible to increase the usefulness of the hydraulic winch by using a wireless remote control.
If you need a hydraulic accessory, please tell us.
Right retraction angle (Angel fleet):
Correct retraction of wire. Correct wire angle (“fleet angle”) is crucial for the correct placement of the wire when it is driven in, if you want to avoid “wire jam” on the drum. The winch must be positioned so that the angle between the drum and wire comes as close to a 90° centered angle as possible. If this rule of thumb is not followed, there is a risk that the wire will be rolled up on one side of the drum, resulting in damage to the accordion or wire. When reeling with and without a load, the correct positioning of the wire on the drum requires a “resistance” of at least 10% of the winch’s capacity.
The winch is placed at the furthest possible distance from the object to be pulled, thereby reducing the angle. Normally, the distance to the 1st sheave (“guide wheel”) is calculated as 10 x the drum width.
Experience shows that the best retraction is achieved at retracting angles below 1.5° for flat drums. Use eventually a pulley block.
Your winch must have a capacity of 1.5 x the weight to be pulled. For example, if you want a winch that will pull a weight of 2 tons, the winch must have a pulling force of at least 3 tons, preferably more.
Yes, your winch can be used for lifting, but you MUST implement a safety factor of 5:1.
This means that if your winch pulls 1000kg, it can lift a maximum of 200kg (1/5)
A winch is a traction device and is not normally used for lifting applications.
If you choose to use your accordion for lifting, we strongly recommend ending the free-winding option on the winch for your own safety.
On today’s market, there are only two types of batteries: Leisure and Deep Cycle, both can be used as a gaming battery, but the MOST common is the Deep Cycle (Starter Battery) with a minimum of 650 CCA.
To program, all you need to do is:
- Turn off the power to the receiver
- Turn off the power to the transmitter (handset)
- Turn on the power to the transmitter (handset)
- Press and hold the IN & OUT buttons constantly
- Turn on the power to the receiver
- Release the IN & OUT buttons (should get a sold red light on the transmitter)
- (If you don’t) Press the green button on the transmitter (handset)
- Then press either IN or OUT to move the game.
- Pairing Completed
If the transmitter and receiver still have a fault or won’t pair, the transmitter or the entire kit must be replaced. You may want to watch this video
ELECTRIC MOTOR DUTY CYCLES
IEC (the International Electrotechnical Commission) uses eight duty cycle designations to describe electrical motor operating conditions:
S1 Continuous duty | The motor works at a constant load for enough time to reach temperature equilibrium. |
S2 Short-time duty | The motor works at a constant load, but not long enough to reach temperature equilibrium. The rest periods are long enough for the motor to reach ambient temperature. |
S3 Intermittent periodic duty | Sequential, identical run and rest cycles with constant load. Temperature equilibrium is never reached. Starting current has little effect on temperature rise. |
S4 Intermittent periodic duty with starting | Sequential, identical start, run and rest cycles with constant load. Temperature equilibrium is not reached, but starting current affects temperature rise. |
S5 Intermittent periodic duty with electric braking | Sequential, identical cycles of starting, running at constant load and running with no load. No rest periods. |
S6 Continuous operation with intermittent load | Sequential, identical cycles of running with constant load and running with no load. No rest periods. |
S7 Continuous operation with electric Sequential identical cycles of starting, running at constant load and electric braking. No braking rest periods.
S8 Continuous operation with periodic Sequential, identical duty cycles run at constant load and given speed, then run at other changes in load and speed constant loads and speeds. No rest periods.
Top Level: working time
Bottom time: resting time
What to consider before choosing steel wire rope
Normally, standard pull and lift winches are equipped with proper wire.
We have “borrowed” this article from one of our suppliers, Certex, if you have any concerns about the wire on your winch.
What to consider before choosing steel wire rope
How do I choose the correct steel wire rope?
A correctly selected steel wire rope means as long a service life as possible, provided that the wire rope is maintained with inspection and proper lubrication.
Choosing steel wire rope
When ordering a steel wire rope, be sure to choose the correct wire rope type, construction, dimension, and length. Follow the recommendations of the crane/machine manufacturer and make sure you use the correct type of steel wire.
WARNING! Incorrect choice of steel wire rope can shorten the life of the wire, destroy the wire rope and/or damage equipment.
Rotation-free wire
To achieve as little rotation as possible at high lifting heights, “rotation-free” wire should be used.
These wires are made up of several layers of cord parts. Each layer is beaten in the opposite direction to the nearest layer, so that the torque in the odd layers counteracts each other.
Definition of Tensile Strength
Minimum tensile strength (MBL)
The minimum tensile strength, expressed in kilonewtons/kilopond, is the force required in sampling for fracture.
Calculated tensile strengthA calculated value that is calculated by the sum of the total steel area multiplied by the thread’s holding strength. The mowing displacement that occurs when casting up cord parts and lines is not taken into account.
Wire Spooling – Multilayer
Multiple layers of steel wire on the wire rope drum can cause deformation (flattening, crushing, etc.) in the underlying layers if proper wire construction is not used and/or improper reeling.
Wire guide angle
Too large a wire guide angle can lead to heavy wear of the wire against the nearby wire layers on the drum. This can also cause warping problems
The right winding direction
The direction of rotation and the attachment point of the wire are crucial for how the right- or left-handed wire should be coiled.
A simple rule is the following:
- Right-hand wire groove on the drum – left-hand wire
- Left-turned wire groove on the drum – right-handed wire.
Warning triangle Forkert valg af wireslåning kan føre til væsentlig forkortelse af wirens levetid.
The winding direction in the figures applies to both smooth drums and drums with wire grooves.
Corrosion
Corrosion of wire can be counteracted by galvanizing, lubrication or by choosing a wire construction with large wire diameters.
Wiresport
Wire tracks must support the wire along about 1/3 of the circumference. We recommends a groove diameter of 1.08 x d, where d = nominal wire diameter.
Wire washers
Before installing a new wire, the grooves of the wire washers must be checked for wear and sharp edges. Measure the diameter of the groove with disc measurements, and observe the general condition of the groove.
The groove diameter should be nominal wire rope diameter +8% to +14% (0.54 x d to 0.57 x d).
Maintenance – lubrication
When a steel wire rope is in use, the individual steel wires wear against each other. To reduce friction, the wire parts and core are lubricated during manufacturing (see Webinar learn the basics of steel wire). The lubrication improves the function of the steel wire rope and increases its service life.
Inspect the wire rope’s lubrication immediately after installation and clean the steel wire rope of foreign objects, such as sand or dirt. The wire can also be supplemented with lubricant before it is used.
It is also important that re-lubrication takes place at regular intervals depending on the prevailing operating conditions.
A steel wire rope without lubrication or improperly lubricated wire rope has a significantly shortened service life.
Tips and good ideas:
How to use a pulley:
How to use a hoist:
How to use a double wire
Calculating the pulling force (F):
To choose the right winch can be difficult, but if you focus on a few important issues, you will save money and avoid a lot of trouble by getting the right machine from the start.
Many customers makes the mistake not to pay attention to the duty classification:
Top tip: Winch motors should not be used for a long, continuous pull. Rather pulse the motor using the controller in short bursts of no longer than two minutes at a time, and let the motor cool down between recovery cycles.
If you choose a winch made for sporadic use and use it continuously it will create problems.
Unfortunately many customers choose the cheapest product (far East Produce).
You can find 2 apparent similar products with a price difference of 100% having the same effect, but one is constructed for sporadic use the other one for continuous use.
Always choose a product matching your frequency use of the winch.
Many customers of customer designed winches hope a winch is something on the shelve, but reality in the winch business is very different. Each industrial winch is special designed and produced according to the specifics of the customer application.
Technical arrangements, feedback, drawings of applications etc. take 2-3 weeks. On top of this comes the production time of the winch -normally 12-13 weeks-, including parts from sub suppliers.
Conclusion:
If you plan to buy a custom-made winch, please consider a delivery time of 20 weeks
Get the right sheave position:
Angel fleet:
The right fleet angle is important if you wish to avoid wire jams.
The winch must be placed so the wire is getting as close as possible to 90° as possible.
If this is not considered, you risk the wire is placed on one side of the drum, which will damage the winch or the wire.
In order to get a correct winding in angel, a sheave must be used.
The sheave must optimally be placed at a distance of 19x the with of the drum on the winch.
All winch capacities are based on the pulling/lifting force in the first layer of the drum
The biggest force of the winch is the pulling force on the first layer of the drum.
As more and more rope is added to the drum the drawing/pulling speed will increase but the pulling force decline. (Please study the technical information for your specific winch choice)
If a pulley block (with one wheel) is used the pulling capacity will double, but the speed will be 50% slower.
When using a pulley for heavy duties the amp going through the motor will be reduced, meaning the motor will be less warm.
The winch must have a capacity of 1.5 times the weight to be pulled/lifted. So a winch that must pull 2 tons must have a capacity of 3,5t.
AC winches (220v-480v) follows the general physical rules for all winches, but your attention is needed on these special subjects:
Extras (“options” in our offers)
We recommend the use of hydraulic winches as they are very reliable, simple construction and stabile.
Hydraulic industrial pulling and lifting winches are essential equipment in various industries where heavy lifting and pulling tasks are required.
Industrial hydraulic winches for towing and lifting in industry and off-road.
LV-HV, LV-HVDS (2 speed) and LV-HVFS (fast speed) are series of hydraulic traction winches. The LV-YT series are fast-paced industrial games in compact design designed for lifting.
The advantages are many and the stability very high. These winches are also in principle waterproof, (but do not work underwater). The winches are designed to connect to the car’s hydraulic system and are usually built in between the car’s bumper and engine. Talk to your mechanic about the possibilities.
Our winches are used on forest machinery, in connection with demolition, on tractors, on rescue vehicles and in many other industrial applications where stable winch systems are necessary.
Of course, it is possible to increase the usefulness of the hydraulic winch by using a wireless remote control.
If you need a hydraulic accessory, please tell us.