3. Precautions
When mounting the cutting tool
① Do not use a damaged or cracked chuck or that with excessive runout.
② Completely remove foreign substances from the chuck and the cutting tool shank.
③ Do not use a cutting tool whose margin area is abraded by 0.4 mm or more.
④ Hold the cutting tool with cloth or similar materials to prevent injury.
⑤ Use a tool whose shank tolerance is h7.
⑥ Do not use a cutting tool with notched or flat shank (see the figure on the right).
During work
① If you feel vibration or trembling, stop the use of the tool.
② Do not touch the chuck or cutting tool while the spindle rotates.
Others
① Do not clamp the nut when the cutting tool is not engaged.
② SAMCHULLY recommends using the full stud of the company. The full stud is one of the consumables and
should be replaced every two years. Do not use a full stud suspected to be damaged or deformed.
5
Instruction Manual
