Friday, May 17, 2019
Tekwani is an integrated, family-owned
agri-industrial group in South Africa, with operations including cattle,
water-bottling, forestry and sawmilling. The sawmilling arm of the group
supplies sawn timber to both local and export markets.
Wood-Mizer TITAN hybrid units were
commissioned for Tekwani’s Normandien sawmill in late 2018, with the goal of
integrating and improving efficiencies between the company’s many
Normandien Sawmill is part of a
forestry, cattle and water-bottling operation. These divisions have been
combined to improve efficiencies within the business, and the new industrial
timber line has proved integral to this process.
Initially, Tekwani was having to pay for
the pallets used in its water-bottling operation.
The outfeed of the Wood-Mizer TITAN TV2000 Hybrid Twin Vertical at Normandien Sawmill. Overhead hold-down and side support rollers ensure stable and efficient sawing. Pneumatically actuated side press rolls allow for automated separation of the sideboards.
Despite having a source of small
diameter logs from plantation thinnings, Tekwani was unable to get useable
structural material from these logs. However, these logs could be converted
into pallet material with the correct machinery.
Prior to the installation of the TITAN
Hybrid units, a single structural sawing line was used to mill both structural-
and industrial-grade timber, but this process reduced the volume of higher
value structural material that could be produced by the mil.
To avoid taking capacity from the primary
sawmill line, the Wood-Mizer TITAN hybrid line was installed to facilitate
sawing the pallet material.
The infeed of the TV2000 includes an automated log loading system with hammer rollers to ensure stable feeding of logs.
The two Wood-Mizer TITAN HR2000 resaws process blocks and sideboards.
The addition of the second line has resulted
in increased output from the mill: the existing line is now dedicated to
structural material only, and the new TITAN hybrid line is dedicated to
industrial and pallet material. Splitting the lines has brought input
on the TITAN line to 73m³per shift with 80m³ the end objective.
The Wood-Mizer TITAN Hybrid units that
have been incorporated into Normandien Sawmill’s industrial timber line consist
of one TV2000 Twin Vertical saw and two HR2000 horizontal resaws.
Tekwani’s water bottling plant at Normandien. Timber from the company’s new industrial sawmilling line is used to produce pallets that transport bottled water to destinations around South Africa.
Hybrid: a general overview
The TITAN Hybrid range bridges the gap between
narrow-band and wide-band technologies in the small to medium sized sawmilling
sector. This range consists of primary- and secondary-breakdown solutions, and
provides customers with the flexibility to run wider blades for more
performance, or narrower band profiles for those looking for a simpler saw
Features of the range include:
Affordability: by offering heavy-duty
sawmilling capacity at an affordable price, the range is accessible to small-
and medium-sized sawmills
Customizable: the range empowers sawmillers
to widen margins and extend efficiencies.
Varying blade widths: the units are able
to run varying blade widths (50 to 80 mm) and can be customised further by
opting for spring set, swage set or Stellite tipped (65 to 80mm wide) blades.
Heavy duty feed mechanics is standard
for the entire range
Simple maintenance and operation
Easy integration into existing lines
with minimal disruption
The Hybrid range also slots in neatly
between Wood-Mizer’s narrow bandsaw portable and industrial ranges and the
TITAN 4 & 6-inch Twinband and Resaw bandsaw range.
Sawmillers benefit from the wider product choice,
increased flexibility to integrate different solutions from the same producer
in one line, and the ability to do so in the most affordable manner possible.
Hybrid range unpacked: Twinbands
The Wood-Mizer TITAN Hybrid Twinband range is an
efficient and affordable twin vertical primary breakdown solution to cut the
log into a two-sided cant. The range offers two models, the TV2000 and
TV2000-AFL. Both are suitable for log diameters of between 120 – 400 mm and up
to 4.2 m in length.
Features that can be highlighted are feed speeds of
up to 40 m/min, manual or automated log loading, various sharp chain options,
pressurised feed rollers to ensure a stable cut, automated sideboard discharge,
heavy duty construction for high strain sawing and electronic cut size control.
With the automated cut size control, the operator
simply selects a cut size and the machine will automatically adjust to that
size. This removes the need to sort the logs before sawing.
The Hybrid range
Wood-Mizer’s TITAN Hybrid HR2000 Resaw is a
high-performance, industrial capacity resaw that is available in a single or
back-to-back twin-head configuration.
It is suitable for processing sideboards and cants
or blocks measuring up to 350 mm wide and 290 mm high.
Factors that contribute to its productivity and
Feed speeds of up to 40 m/min
A heavy-duty head-rig construction for
high strain, high-speed accurate sawmilling
Pneumatically assisted powered hold-down
Heavy-duty in and outfeed slat-chain bed
with variable speed.
The unit can easily integrate into existing lines.
Low power consumption adds to the utility of the product.
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