1, the product belongs to the home or studio machinery, can not be compared with industrial machines if long-term use or workload, please buy industrial machines.
2, the long time load operation of the electric machine heat need to stop the heat dissipation before continuing to use.
3, when tapping, the workpiece and tap need to be coated with lubricating oil, which can reduce the resistance and reduce the chance of broken tap.
4. Do not use hand tap. Use a good machine tap, such as the tip tap chip removal good.
5, about the broken tap, is the tap quality problem. When the fatigue value is not reached for a period of time, the tap should be replaced, and the tapping plastic may be broken. The tap is sharp and the motor can be lightly loaded. The machine has no torque protection.
6, it is recommended to use iron parts within M3-M8, aluminum parts within M3-M10, plastic wood within M3-M10.
7, the precision requirements are high, fast, please do not buy. Tapping range M3-M10.
8, tap the bottom hole please check, in the case of low requirements, the bottom hole can be larger 0.1-0.2mm, reduce the chance of broken tap.
9, wear parts do not guarantee (bearing chuck spring).