Product category:
Vices, chucks, towers, pillars, cubes, tombstones - prismatic work
News Release from: Leader Chuck Systems | Subject: Chuck and vice workholding systems
Edited by the Manufacturingtalk Editorial
Team on 16 July 2001
Improve machining centre workholding
capacity
As well as highlighting its own-brand CNC rotating power chuck and self-contained pneumatic chuck ranges, Leader Chuck Systems will be launching the MultiVice MMCC multi-jaw vice system.
As well as highlighting its own-brand CNC rotating power chuck and self-contained pneumatic chuck ranges, the EMO display being mounted by Leader Chuck Systems of Birmingham will be spearheaded by the European launch of the MultiVice MMCC This multi-jaw vice system will be sharing centre stage with Leader's award-winning MultiChuck MMY concentric clamping system and its MultiVice MMX vice system
This article was originally published on Manufacturingtalk on 23 Jun 2008 at 8.00am (UK)
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The just-announced MultiVice MMCC is specifically designed for long-run, large batch work.
It utilises any number of 'Dual Action' jaw vices to create an ultra-flexible yet cost-efficient vice system capable of accommodating a high number of components at one time on the same table.
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Instead of locating and gripping components against centrally-fixed jaws, MultiVice MMCC comprises a series of in-line Dual Action vice jaws fixed to the sub-plate with location dowels.
Each fixed Dual Action vice jaw has an integral moving jaw with 3.5 mm of clamping stroke.
The number of vices that can be used is limited only by the size of the machine table.
Using a permanently fixed jaw as the datum, each Dual Action vice jaw is subsequently fixed and positioned by dowel pins 'behind' the previous jaw at a distance dictated by the workpiece size.
This eliminates compound gripping force and thus generates a very stable and highly accurate vice system.
Standard jaw size is 60mm wide by 12mm long by 25mm high, though other sizes are available to optimise the component variations being handled.
The quick change jaws feature an innovative design of positive dovetail location for continuous repeatability, and they can be provided in a variety of materials.
Flush-fit between false jaw and vice body prevents the ingress of swarf and the table T slots can also be protected by utilising a novel swarf guard that also provides a positive component location stop.
As well as achieving secure locking/unlocking with just a quarter turn of the key, MultiVice MMCC provides these additional features: * Rigid clamping gives increased tool life through less vibration; * No component lift when clamping; * Maximised use of the Z axis through its low height; * High clamping pressure; and * Height blocks that raise clamping to the point of cut.
Similar benefits are on offer with the Leader MultiChuck MMY concentric clamping system, the Best Workholding Product at the International Machine Tool Industry Awards 2000.
Promising rapid clamping and short set-up times when self-centring components, MultiChuck MMY's simple top face operation enables more chucks and therefore workpieces to be 'banked' closely together - which is not the case with the traditional side face lock/unlock strategy.
Available with two or three jaws, MultiChuck MMY combines fast initial jaw travel with controlled second-stage clamping to provide a large jaw opening with high gripping force.
Jaw strokes are 4mm, 5mm, 8mm and 10mm across the four variants, and the low height (from 25mm to 40mm) maximises the machine's Z axis (height can be increased using blocks).
Quick change top jaws can be supplied to suit most materials/components.
MultiChuck MMY is available for external and internal clamping and will satisfy both first and second operations in the same machining cycle -thereby providing continuous output of finished components.
It will fit all slotted machine tables.
Also on show in Hanover will be the Leader MultiVice MMX which provides unrivalled levels of power and accessibility in confined spaces.
The system's simple but unique design is the secret of its success.
Comprising a series of clamping stations for multiple part loading - for example, using the MMX 55, a 400mm by 400mm plate offers up to 12 clamping stations - MultiVice MMX achieves secure locking/unlocking simply and quickly with just a quarter turn of the key.
MultiVice MMX boasts a number of features that set it apart, but the development of the angled jaw actuator wedge is of particular advantage when the system is used on a two- or four-sided vertical tombstone.
With positive dovetail location for continuous repeatability, MMX provides parallel, self-aligning clamping.
MultiVice MMX low height (20mm and 25mm) maximises the machine's Z axis (height can be increased by using blocks) lengths are 70mm and 87mm (moving jaw) and 35mm and 44mm (fixed jaw).
Vice widths are 33mm and 55mm.
The system can be mounted directly onto a machine table or any type of sub-plate, tombstone, cube or pallet.
Leader Chuck System also offers a comprehensive range of own-brand standard CNC rotating power chucks (130mm to 400mm diameter) and self-contained pneumatic chucks (80mm to 500mm).
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