Safety instructionsItem no. 10403015, Revision 0310 ( 40 )4.1 Safe workingObserve all safety instructions set out in the manual, the applicable nationalaccident prevention regulations, and the valid company work, operation, andsafety guidelines.DANGER: Due to flying parts.Tools that are not clamped correctly will be flung away by the centrifugalforces that occur during machining.u Use the full clamping depth of the collet.u Clamp the tool securely.DANGER: Due to flying parts.If the wrong rotational direction is used, the clamping system releases andthe tool is flung away.u It is essential to adhere to the rotational direction of the HF spindle.WARNING: Risk of injury due to flying parts.The HF spindle operates at high speeds which may cause chips to fly outwith great force.u Never remove the protective devices of the machine or system.u Always wear protective goggles during work.Example of design: Inserting theshankNote: Ensure functionality.u Never operate the HF spindle without a clamped tool shank.If no tool shank is clamped:q The clamping system is damaged by the centrifugal forces.q The clamping system is shifted.q The balance of the HF spindle is affected.q The bearing is damaged.Ü Take the relevant measures to protect against splashes and spray accord-ing to the type of machining, the type of material being machined, and thetype of tool selected.Ä Observe the manual of the machine in which the HF spindle is installed.Ü Obtain the maximum circumferential speeds of the tools used from thetool supplier.Single-point tools are not suitable for high speed cutting.If they are required for production reasons:Ü Only use a balanced tool.Ä DIN ISO 1940Ä Balance grade 2,5