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FAQ

How many diamond grinding wheels should be used for an alloy bit?
If the hard alloy is generally 100 mesh coarse grinding, and then finishing 180, we have foreign customers dedicated to the electroplating grinding wheel are generally parallel to that, the two particle size. Plain drills and cutters use CBN wheels.
What is the difference between cobalt titanium alloy drill
A drill is the first part of a drill or hand drill.
What's the difference between a flashlight and an impact drill?
The drill bits used are not the same.General electric drill is small power, drill iron sheet, drill wood whatPercussive drilling is usually made of concrete, or wall holes, the power is relatively large.
How do you get yellow on the surface of the drill bit?
One is simple plating, and the other is complicated surface treatment, such as ion sputtering
What bit is hard, not easy to wear and punch?
The drill is worn and can be grinded by a bit. We are using the Muller's drill and grinding machine. The effect of grinding the drill bit is very good.
New drills usually need sharpening before they can be used. Why?
Grinding the drill bit again, grinding the back angle of the arc transition and the proper vertex angle so that the drill can bore smoothly. No sanding is available, but there is no radian in the rear corner, which can cause vibration instability.
Can an electric drill bit a wall?
Percussion drill: general impact drills are dual purpose. First, the function of the ordinary electric drill, two is adjusted to hammer, punching function, put on alloy drill, you can drill in the wall, but drilling ability is poor;
What are the main points of drill grinding?
The edge of the drill must swing up and down, and the tail of the drill can not stand up. This is a standard bit grinding action. The main cutting edge swings up and down on the grinding wheel, that is, the hand holding the front of the drill must swing the drill bit up and down evenly on the grinding wheel surface. The handle of the hand can not swing, but also to prevent the rear handle to go up, that is, the tail of the drill can not be high above the horizontal center line of the grinding wheel, otherwise it will make the edge of the grinding blunt, unable to cut. This is the most crucial step, the drill is worn well and bad, there is a lot to do with it. At about the same time, start at the edge of the blade and rub it gently in the back, so that the back of the blade is more polished.