>
TOOLING & WORKHOLDING
to be fitted or exchanged within Multi-point rocker jaws are
Jaw dropper
a few seconds at the push of a now available to suit a wide
button. A high level of range of chucks, including large
repeatability (0.020mm) vertical chucks up to 3m
guarantees all the advantages of capacity, and are ideally suited
a quick change chuck but at a to thin walled components such
fraction of the cost. as rings. Firstly, the jaws spread
The extended Inogrip range, the clamping force to six points
which allows stamped (or 12 points for special
workpieces to be re-inserted into designs), gripping equidistantly
the jaws with a reported around the component and
accuracy of up to ±0.005mm, countering any tendency for ‘tri-
offers a number of significant lobing’ while improving out of
advantages, including the option roundness to an acceptable
of using one jaw set for both level. Secondly, the floating
roughing and finishing rocking arms allow a part to self
operations. Because workpieces centre, thereby compensating
need only be clamped on 6mm for irregularities in castings long term durability. Other from stock for orders placed
of material rather than the 20- and forgings. materials, including aluminiums, before 3.00pm.
25mm required with other chuck The majority of Thame plastics and composites can be
jaws, there is less material Workholding’s standard jaws are specified by the customer but
Soft jaws now available in convert a standard power chuck wastage, and the chuck manufactured from either are classified as specials. Every
more than 600 sizes and into a quick jaw change chuck; pressure needed to secure the 080M15 low carbon steel or item is backed by a no quibble
> THAME
styles – standard, pointed, Inogrip jaws – which secure the workpiece is less – down to one 590M17 (16Nn Cr5) alloy steel guarantee, with same day WORKHOLDING
high, wide, steel or aluminium workpiece by locking their tenth of the normal requirement. and can be case hardened for despatch of standard products www.thameworkholding.com
– are the backbone of precise tooth form into defined
Thame Workholding’s range pre-stamped identical
of chuck jaws. indentations on the workpiece;
Thame’s latest chuck jaws and multi-point rocker jaws –
catalogue runs to 172 pages, which overcome problems
featuring standard ranges of associated with thin walled
hard and soft jaws to suit chucks components, are regularly
from all leading manufacturers updated and extended.
and covering around 80% of end Thame Workholding‘s TEC
user requirements. For the Quick Change Jaw system for
remaining 20%, Thame 1.5mm by 60º metric serrated
Workholding claims it has the power chucks, for example, now
specialist experience necessary comprises six sizes of hardened
to design and manufacture intermediate jaws, which are
dedicated workholding solutions mounted to a power chuck’s
for all types of machining existing base jaws. Each
application and virtually any intermediate jaw features a
shape of workpiece. specially designed mounting
Standard ranges such as that, in turn, allows inexpensive
quick change jaws – which soft top jaws – 13 types in all –
Sign of the times
A new range of cutters
developed by LMT’s Belin
division for milling, drilling
and engraving materials
typically utilised by the sign
making industry is now
available through LMT (UK)
of Meriden.
While most signage
operations involve plastics, LMT
has also drawn into its range of
tools, cutters that can also be
applied to machine foamboard,
light wood and be used for very
light metal machining in order to
add flexibility and reduce tool
stockholding for users.
The range spans ED, EG and range is the Cristal single flute
EDG helical milling cutters that endmill that has been developed
include tools with clockwise and by LMT Belin to create a crystal
anticlockwise flute styles. End clear transparent cutting surface
mill cutters for radius, slotting, from a single pass at spindle
copying, panto milling, spherical, speeds between 18,000rpm and
conical, surfacing, folding angle, 55,000rpm. Cutter sizes range
sawing and single, two and four between 3mm and 10mm
teeth operations are all available diameter and the right hand
within the range. There is also a upward inclined cutting edge is
series of Mideco knives for suitable for non-ferrous
vinyls, engraving tools from materials as well as plastics. The
0.1mm diameter that are suitable tools can be applied at feed
for use on stainless steels and rates of between 0.8m/minute
drills between 1mm and 14mm and 10m/minute and used for
diameter. semi finishing, finish and super
Tools are available in solid finish milling requirements
carbide as well as some in when trimming, grooving and
natural diamond with special pocket milling.
tools available for machining The new range is presented in
thick or fluorescent materials. a new 50 page catalogue
The tooling range is also entitled ‘Signmaking’ and
supported by a range of collets incorporates application data
and reduction sleeves for and technical notes.
mounting in the spindle of the
machine tool.
> LMT
A prime example within the
www.lmt-tools.com
www.pesmag.co.uk
Production Engineering Solutions • March 2010 17
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