Drill to drill cement wall?
Electric drill can be divided into 3 kinds: hand drill, percussion drill, hammer drill.1. hand drill: the minimum power, the scope is limited to the use and when a electric screwdriver drill for wood, do not have much practical value.2. impact drill: the impact mechanism of impact drill with ball type two and type. A ball impact electric drill consists of a moving plate, a fixed plate, a steel ball and so on. Brake disc is connected with a main shaft through threads, and with 12 balls; fixing by pins fixed on a casing, and a 4 ball, in the role of thrust, 12 ball 4 ball rolling along, the hard alloy bit to produce rotary impact motion, can drill a hole in the brick, brick, concrete and other brittle materials. The utility model can make the fixed disk rotate with the moving disk without impacting, and can be used as an ordinary electric drill.3. (hammer): hammer drill holes in any material, the most widely used.The price of the 3 kinds of electric drills is arranged from low to high, and the functions are also increased. The selection of them requires the combination of their respective scope of application and requirements.
Drilling machine using electric power as power. Is the power tools in the conventional products, but also the largest demand for power tools products. 35% of China's power tools are produced and sold each year. The main specifications of electric drills are 4, 6, 8, 13, 16, 19, 23, 32, 38, 49mm, etc. the figures refer to the maximum diameter of the drill drilled on the steel whose tensile strength is 390N/mm2 (). For nonferrous metals, plastics and other materials, the maximum drilling diameter is comparable to the original specifications of large 30~50%.
You can drill in the cement wall drill. But the speed to slow, at the same time to give a hand drill to the force, so that more trouble, easily broken bits.
It depends on the quality of the wall, ifUsually is not the impact drill is playing into the pop-up to rotate, and the hand just turn, there is no impact. Unless you like to play with the hand shot wall, but it is easily broken, the bit is broken.The percussive drill factory, which can be used, went out of business. It's too bad to borrow one from a friend!
