GRINDING & SURFACE FINISHING WHEELS IN MOTION
generally exceeded this benchmark,
achieving its ‘best ground’ performance with
a tooth pro le of DIN 1,” says Benn.
The machine combines high levels of
intelligence with on-board features such as
automatic co-ordinate adjustment, in-cycle
wheel dressing, integrated pro le
management and co-ordinate measurement.
All gear, worm and spline pro les can be
veri ed using the integrated Renishaw
probing system, enabling automatic onmachine
corrections to be made, if
Further features include an integrated
pro le management system and an
advanced touchscreen interface that allows
the operator to take a typical drawing and
enter co-ordinates directly into the machine.
By extracting data from the on-board
Renishaw probing system, the GTG2 is able
to predict tiny alterations in the pro le of the
grinding wheel to achieve a precise result.
Where a workpiece fails to meet tolerance
requirements after a rst grinding pass, the
machine calculates the adjustments needed
to wheel form or axis position, transmitting
the data to a 2-axis CNC wheel dressing
Back in the UK and at Industrial Tooling
Corporation (ITC) further investment in tool
and cutter grinding technology has taken
place, thanks to continued growth. It has
taken delivery of an MX7 Linear grinding
centre from ANCA (https://is.gd/okiwoq).
The MX7 Linear is the fourth ANCA grinding
centre acquired by ITC and the fth such
machine to arrive since the company
extended its manufacturing facility by over
50% in 2016.
Capable of processing tools up to 300
mm long, with diameters up to 200 mm, the
MX7 Linear uses ANCA LinX linear motors
and scales. LinX linear motors are said to
offer higher axis speeds and acceleration,
leading to reduced cycle times, while
maintaining smoother axis motion. In
addition, the machine has a permanent
magnetic spindle that provides high torque
at lower speeds, which is particularly
important for carbide grinding.
From a precision perspective, the ANCA
MX7 Linear incorporates a bi-symmetrical
gantry design. Evenly straddling the tool
centre line, the gantry delivers rigidity and
resistance to thermal growth, while keeping
vibration to a minimum. In addition, the MX7
Linear has been speci ed with automatic inprocess
measurement and compensation.
The LaserPlus built-in laser probe measures
tool geometries to within ±2 micron or less.
With regards to productivity, the latest
arrival at ITC incorporates ANCA’s
FastLoad-MX automation system.
Grinding & surface fi nishing product news in brief
Vollmer (https://is.gd/kahuqu) has released its Vgrind 360E,
which can process tools up to 100 mm in diameter with a length
of 360 mm. In addition, with low thermal conductivity, the Vgrind
360E generates less thermal
expansion throughout its 2,100
kg base. Upon this base is the
C-axis concept that provides the
absorption and elimination of
deformation and vibration
through the top and bottom
bearings in the twin grinding
spindle con guration.
Competitor machines with just a
single bearing carry a higher risk
of deformation and vibration.
Soraluce, which is
represented in the UK by TW
Ward CNC Machinery (https://
is.gd/fi divu), has introduced a
special head for its machining
centres that combines milling,
boring, turning and grinding.
In trials, surface nishes of
0.4/0.5 Ra when performing
infeed and traverse OD, ID, and
surface grinding were achieved.
Future developments will
embrace angular and face grinding with ‘straight’ wheels.
Guyson International (https://is.gd/yapahe) has created a
universal automated blast system, based on the company’s
existing Multiblast RSB. The latest system incorporates roofmounted
servo drives to provide saturation coverage from the
attached blast guns across the entire rotating table, thus
delivering full blast coverage to all components. With a standard
blast chamber dimension of
1,500 mm (wide) by 1,500 mm
(deep) by 900 mm (high), the
cabinet is tted with a large
front opening door, allowing
easy parts loading access to a
1 m wide, painted steel
turntable (polyurethane version
available). More details:
Engis UK (https://is.gd/cufuje)
has worked closely with ball
valve manufacturers to develop
a lapping gel speci cally for
use in severe- service ball valve
lapping applications such as
those found in oil and gas
production and petrochemical
A principal bene t of Engis LD
diamond gel is, the company
asserts, a reduction in overall
lapping times by up to 30-40%.
In addition, less pressure is
A grinding head
can be used on the
Soraluce TA-M 25
required when using the LD gel, with this meaning a reduction in
scratching and operator fatigue in manual operations. This
attribute results in less component scrappage, while test stand
failures are signi cantly reduced – to near zero in some
instances. More details: https://is.gd/dodizo
66 September 2019 www.machinery.co.uk @MachineryTweets