______HSD Technological equipment for Automation _____________________________________
5801H0017 Rev. 02 __________________________________________________________ 9/98
5.5 RISKS SPECIFIC TO MAINTENANCE
• Take great care not to cut yourself on the tools while servicing or cleaning the electro-spindle.
Ideally, tools should be removed prior to these operations.
• Rotating parts may continue to spin under the effect of inertia even when the electro-spindle
has been switched off. Make absolutely sure that the spindle is not spinning before accessing
it.
• Perform all scheduled maintenance as described in this manual. Failure to do so may lead to
mechanical failures and breakage through wear or inadequate maintenance.
WARNING: NEVER:
• Start any maintenance before making absolutely sure that the tool in the
electro-spindle is completely stationary.
• Start any maintenance on the electro-spindle before disconnecting it from
the main power supply.
• Attempt to clean the electro-spindle while it is operating.
§ 6 GENERAL INFORMATION
6.1 PROPER USE OF THE PRODUCT
Electro-spindles are used as parts of machines.
The machine structure to which the electro-spindle is secured must be rigid and strong enough to
support the weight of the electro-spindle and withstand the machining operations to be performed.
The electro-spindles described in this manual are designed for milling and drilling wood, plastic,
aluminium and fiber-board.
They are all designed for operation in an S1 duty type. Technical specifications vary as detailed in
section § 7.
All ES919 and ES915 variants can be fitted with a gear driven C axis unit as an optional.
Model ES919 ISO30 Short Nose (7 kW or 8 kW version, 2 poles) is also available with a belt driven
C axis unit. (C axis belt drive is not available as an option for retro-fitting.)
Some models have their power terminals configured in either star or delta configuration.
A spindle shaft kit is available for rapid changes of the complete spindle shaft with bearing
assembly on all models except models with belt driven C axis units.
To prevent damage to the precision bearings, all electro-spindles are fitted with a
mechanical reaction system that counteracts the axial force that the piston applies to the
spindle shaft during tool change operations.
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