1. Flat or tear pattern deck top. The top roll
over edges are square (not radius) for greater strength, smoother
load transfer and flush mounting of handrail, conveyors etc.
2. A perimeter safety trip frame is fitted to
the undersides of the platform to prevent further should an obstruction
be encountered. For added safety, operator reset is standard.
3. The scissor arms for lift tables upto 3 metres
in length are usually profiles, solid steel. For larger lifts,
steel hollow section is used to provide greater stability. A substantial
torsion tube is fitted between the armsets to help ensure good
synchronisation and stability even when eccentrically loaded.
4. Pre-lubricated, replaceable type bearing bushes
are standard features. Fe510 steel or equivalent is used for the
precision ground axles and cylinder bolts. For heavy duty work
we recommend chrome plating heavy wear parts, including grease
points or grease free spherical plain bearings with seals.
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5. The 1,400 rpm
power packs are selected for their exceptional reliability and
low noise (>70dBA). A built in high pressure filter helps protect
the lowering valve from malfunction. The lowering speed is adjustable
on site and is controlled by a pressure compensating valve. Mains
supply 400V, 3 phrase, 50Hz; control circuits 24V, 50Hz. except
for types marked *(230V, 1 phase, 50Hz). Each lift is protected
to IP54 and is ready to use when connected to a mains supply and
suitably installed. The control station is on 3 metres of flexible
cable complete with Emergency Stop and deadman (constant pressure)
UP and DOWN push buttons.
6. Steel swivel stops or posts are provided to mechanically
support the lift in a raised or semi-raised position to allow
access for maintenance purposes.
7. The steel arm roller bearings are replaceable.
8. Our own, high quality cylinder tubes are made
from Fe510 steel with the internal bore honed and polished to
an exceptionally smooth surface of Ra < 0.4 micrometers. All cylinder
tubes are subjected to individual inspection by quality control
prior to use. The piston rods are made to the same high standards
as the cylinders and are hard chrome plated to a thickness of
> 25 urn. Hose break rupture valves are built into the bottom
of the cylinders To reduce corrosion, loss of oil, and contamination,
a drainhose is connected from the cylinder back to the tank (except
S,. types). The safety factor by cylinder stress calculations
is 1,8. Pressure hoses comply to main european standards. (diagram)
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