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Permanent
Magnetic Lifter |
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1.
Construction:
Our permanent magnet lifter has strong magnetic path produced
by NdFeB magnet. On and off of the magnetic path is controlled
by turning the manual handle. The lifters have the features
of strong attraction, smaller volume, lighter weight, powerful
lifting effort, easy and safe to operate, long-period effort
and without power supply. They are used to lift and transport
the steel and iron for factories, docks, ware houses, transportation,
etc. |
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No. |
Rated
Lifting Strength (Kg) |
L
(mm) |
B
(mm) |
H
(mm) |
R
(mm) |
Max
Cylindrical Dia. (mm) |
Max
Pull-off Strength (Kg) |
Lifter
Weight (Kg) |
PML-100 |
100 |
84 |
62 |
67 |
142 |
>50 |
350 |
2.6 |
PML-300 |
300 |
154 |
92 |
91 |
167 |
>60 |
1050 |
9.6 |
PML-600L |
600 |
267 |
129 |
92 |
216 |
>70 |
2100 |
21 |
PML-1000L |
1000 |
342 |
142 |
118 |
307 |
>90 |
3500 |
41 |
PML-2000 |
2000 |
368 |
234 |
212 |
451 |
>120 |
7000 |
130 |
PML-3000 |
3000 |
448 |
286 |
264 |
521 |
- |
- |
249 |
PML-6000 |
6000 |
550 |
430 |
360 |
550 |
- |
- |
420 |
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Note:
1. The safe coefficient of magnetic lifter
is 3.5.
2. Dimensions can be changed according to customers' needs. |
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3.
Operations
3.1 During operation, you should clear away the components surface
such as rust and burr. The centerline of lifter had better overlap
with the centerline of component. Then place the magnetic lifting
hoist on the face of component, turn the nozzle from "OFF"
to "ON" until "Holding". Make sure that
the security key on the handle is automatically locked, and
then start to hoist.
3.2 During lifting and handing components, overloading is forbidden.
Nobody is allowed to pass through under the component held by
magnetic lifter. Components temperature and ambient temperature
shall be lower than 80 ?. No strong vibration and impact.
3.3 When lifting and handling cylindrical components, keeping
the cylindrical surface contacts the vee slot of lifter on two
lines, the actual lifting capacity will generally be 30%-50%
of the rated lifting capacity.
3.4 When lifting and handling operation is finished, press down
the bottom to disengage the security key from the security pin,
then turn the handle from "ON" to "OFF"
until 'Release". The lifter is now in the neutral condition,
it can be taken away from the component. |
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4.
Main factors which influence the lifting capacity
4.1 Influenced by thickness and surface quality of the component.
Before operation, it is necessary to find out the percentage
of the steel thickness-lifting capacity according to the component
and capacity curve. If its surface roughness Ra is less than
6.3 um, the lifter surface gap will not exist, the lifting capacity
will be 100%. If the surface roughness Ra is above 6.3 um or
even worse, the lifter surface gap should be estimated. Find
out the percentage that lifting capacity of the lifter may reach
from the air gap-lifting capacity curve shown in the performance
chart. Combine these two factors and calculating the lifting
capacity that the lifter may reach. The curves are on the two
sides of lifter.
4.2 Influenced by the composition of steel component. After
measurement, if low-carbon steel component is regarded as a
reference and the coefficient of lifting capacity is fixed:
the coefficient for medium-carbon steel is 0.95; the coefficient
for high-carbon steel is 0.90; the coefficient for low-alloy
steel is 0.75, and the coefficient for cast iron is 0.50. |
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5.
Maintenance and safety notice:
5.1 While carrying and using permanent magnetic lifter beware
of the bumping and roughness of surface, so as not to influence
its property and life-span. After using, the lifter had better
be protected by oil.
5.2 Please read the operating instruction carefully and know
its property before using the lifter to avoid accident. Please
contact our company for further detail.
5.3 Check the quality of the handle button frequently. Make
sure that the security key can be moved flexibly and the security
pin can be locked firmly.
5.4 When magnetic lifting hoist is not in contact with ferromagnetic
material of component, don't turn the nozzle.
5.5 Maintenance must be strictly according to the instructions
by the professional authorized technical personnel.
5.6 Prohibit modifying the lifter to avoid effecting on its
safety. |
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