Principal Dimensions and data:
Diameter of saw pulleys: 48"= 1220mm
Width of saw pulley face-standard 5" (127mm )
Width of saw pulley face-optional 5 1/2" (140mm )
Maximum width of saw-standard 5 1/2" (140mm )
Maximum width of saw-optional 6" (150mm)A
Minimurn length of saw 25" 8" (782mm)
Maximum height of top saw guide above table 28" (710mm)
Table height from floor level 31 1/2" ( 800mm 9
Overall height from floor level 9,1" ( 2770mm )
Overall width 8,1" ( 2460mm )
Speed of saw pulleys,r.p.m. 8,000( 2440m/min )
Horse-power range 30 kW
Size of fast and loose pulleys 20"x6 1/2"
Feed speeds, standard; f.p.m. or m/min. 0-140 (0-42,6m)
Shipping Specification : Standard Machine :
Nett weight, lbs. 3583 Kg
The VHL 48 is a band resaw of advanced design embodying many new
features
resulting from a close study of user-operator requirements, and the
necessity
to provide fast and accurate sawing coupled with ease of operation,
reduced
operator-fatigue, low maintenance, and increased safety. The design
caters
fully for these essential factors which contribute to a markedly high
level of
operating efficiency.
The machine is primarily designed for the planing mill and joinery
shops.
lt is also particularly useful in sawmills for splitting squares and
deals into
furniture sizes, and will resaw any four-sided timber within its large
capacity
quickly and accurately. The thin bandsaw gives the machine a high
timber-
recovery rate; the loss due to saw kerf being very low. Compared with
a
circular radial-arm resaw, the VHL is faster, less wasteful, and uses
less power
for a given class of work
General
The VHL is made only as, a left-hand machine, i.e. the saw pulleys run
in an
anti-clockwise direction when looking in the direction of the feed.
The drive is normally arranged to give a saw-speed of 8,000 feet
per
min . (2440m l/min.)
Main Drive
The main drive is applied to the bottom saw pulley spindle which is
prepared
for vee belt, flat belt, or flat belt fast and loose pulleys to suit
the proposed driving unit.
Complete electric motor drives, up to 40 H. P. and for most current
supplies
can be provided; they include two vee pulleys, set of vee belts, belt
guard,
motor with slide rails, starter and a master stop-button which is
fitted to
the machine base close to the sawyer's position.
horizontal Rollers
The horizontal rollers are 6" (152mm) diameter and extend the full
opening
on the fence side and 6" (152mm) beyond the table on the open side;
they are normally free-running idle rollers. They can be supplied
hydraulically driven as optional equipment,
either with the machine or after installation; the rollers are then
driven
in synchronism with the main feed rolls, by a separate motor. The
drive is
arranged so that the open-side roller at the C5521141 outfeed end
rotates in the
reverse direction to facilitate the return of timber to the sawyer.
The roller in
front of the saw is moveable sideways to permit rapid saw changing.
Machine Base and Column
The machine base is a substantial, all steel welded fabrication
providing
rigid support for the top and bottom saw pulley units, the radial arm
feed-
works, the in- and outfeed horizontal rollers, the table and the
fence.
The column has two slideways for the top saw pulley rise and fall.
Saw and Saw Pulley Cleaning
The saw is cleaned on both sides by felt pads lubricated from an oil
reservoir
with a controlled drip feed; the wings of the cleaner are lightly
spring-loaded
and both wings open for saw changing, The saw pulleys are cleaned
by
scrapers and oiled pads.
Saw Pulleys
The solid, plate type saw pulleys are Meehanite castings machined all
over,
and balanced; the bottom pulley being the heavier to prevent
overrunning. The
machine can be supplied with saw pulleys for 5 t" or 6" (140 or 1
52mm)
wide saws. The pulleys are secured on the taper seatings of
large-diameter
shafts and heavy-duty spherical roller bearings in dust-proof housings
are
fitted on each side of both pulleys.
Finland
